[RESEND v9 00/12] rk808: Add RK805 support

[RESEND v9 00/12] rk808: Add RK805 support

[Joseph Chen]

change in RESEND v9:
None changes, add Lee Jones and other related email address.

change in v9:
PATCH V9 1/12: (1) fix spelling issue: s/Chip/chip/
	       (2) apply tag: Acked-for-MFD-by: Lee Jones <lee.jones@linaro.org>
PATCH V9 2/12: apply tag: Acked-for-MFD-by: Lee Jones <lee.jones@linaro.org>
PATCH V9 3/12: None
PATCH V9 4/12: apply tag: Acked-for-MFD-by: Lee Jones <lee.jones@linaro.org>
PATCH V9 5/12: None
PATCH V9 6/12: None
PATCH V9 7/12: apply tag: Acked-for-MFD-by: Lee Jones <lee.jones@linaro.org>
PATCH V9 8/12: apply tag: Acked-by: Linus Walleij <linus.walleij@linaro.org>
PATCH V9 9/12: None (Actually, something directly updated by Dmitry Torokhov and applied on PATCH V7.
	       Link: https://git.kernel.org/pub/scm/linux/kernel/git/dtor/input.git/log/?h=next
PATCH V9 10/12: apply tag: Acked-for-MFD-by: Lee Jones <lee.jones@linaro.org>
PATCH V9 11/12: apply tag: Acked-for-MFD-by: Lee Jones <lee.jones@linaro.org>
PATCH V9 12/12: None

change in v8:
PATCH V8 1/12: add: Signed-off-by: Joseph Chen <chenjh@rock-chips.com>
PATCH V8 2/12: add: Signed-off-by: Joseph Chen <chenjh@rock-chips.com>
PATCH V8 3/12: add: Signed-off-by: Joseph Chen <chenjh@rock-chips.com>
PATCH V8 4/12: add: Signed-off-by: Joseph Chen <chenjh@rock-chips.com>
PATCH V8 5/12: add: Signed-off-by: Joseph Chen <chenjh@rock-chips.com>
PATCH V8 6/12: add: Signed-off-by: Joseph Chen <chenjh@rock-chips.com>
PATCH V8 7/12: add: Signed-off-by: Joseph Chen <chenjh@rock-chips.com>
PATCH V8 8/12: (1) Kconfig: update coding style
	       (2) pinctrl-rk805.c: using #include <linux/gpio/driver.h>
	       (3) pinctrl-rk805.c: inline data and open code it; remove FUNCTION_GROUP and PINGROUP macros definition 
PATCH V8 9/12: NO change in V8
PATCH V8 10/12: apply tag: Acked-by: Linus Walleij <linus.walleij@linaro.org>	
PATCH V8 11/12: NO change in V8
PATCH V8 12/12: (1) using semicolon after "output-high"
		(2) apply tag: Acked-by: Linus Walleij <linus.walleij@linaro.org>

change in v7:
PATCH V7 1/12: NO change in V7
PATCH V7 2/12: NO change in V7
PATCH V7 3/12: fix missing: Acked-by: Mark Brown <broonie@kernel.org>
PATCH V7 4/12: NO change in V7
PATCH V7 5/12: NO change in V7
PATCH V7 6/12: NO change in V7
PATCH V7 7/12: fix missing: Acked-by: Rob Herring <robh@kernel.org>
PATCH V7 8/12: abandon drivers/gpio/gpio-rk805.c and add drivers/pinctrl/pinctrl-rk805.c
PATCH V7 9/12: reset author and signed off with my english name
	       reset MODULE_AUTHOR() with my english name
	       replace devm_request_threaded_irq() with devm_request_any_context_irq()
PATCH V7 10/12: replace 'gpio-rk805' with 'pinctrl-rk805' in struct mfd_cell rk805s[]
PATCH V7 11/12: NO change in V7
PATCH V7 12/12: dt-bindings: abandon gpio-rk805.txt and add pinctrl-rk805.txt

change in v6:
patch1~7 no changed in V6.
add patch 8~12 for gpio and powerkey func for rk805.

change in v5:
PATCH V5 1/7: NO change in V5
PATCH V5 2/7: fix the rk805 reg addr in numerical order
PATCH V5 3/7: NO change in V5
PATCH V5 4/7: fix up the rk805_device_shutdown func
PATCH V5 5/7: NO change in V5
PATCH V5 6/7: NO change in V5
PATCH V5 7/7: fix up the description of the rk805

change in v4:
PATCH V4 1/7: NO change in V4
PATCH V4 2/7: rename the commit message
PATCH V4 3/7: NO change in V4
PATCH V4 4/7: Split this patch up into subsystems patch 5/7 6/7
PATCH V4 5/7: new added
PATCH V4 6/7: new added
PATCH V4 7/7: NO change in V4


change in V3:
PATCH V3 1/5: NO change in V3
PATCH V3 2/5: add rk805 RTC INT MASK define
PATCH V3 3/5: RK805 set suspend enable and disable is different from rk808
              use rk805_regs_ops and rk805_switch_ops
PATCH V3 4/5: fix up the shutdown func
              use pm_shutdown_prepare_fn to prepare shutdown
              and pm_pwroff_fn pull down gpio to shut down rk805
              it will update in the future(after rk808 support gpio func)
PATCH V3 5/5: NO change in V3

change in V2:
PATCH V2 1/5: NO change in V2
PATCH V2 2/5: add rk805 BUCK ILMAX define
PATCH V2 3/5: NO change in V2
PATCH V2 4/5: setting RK805 BUCK ILMAX in pre init
PATCH V2 5/5: Add RK805 device tree bindings document

Elaine Zhang (7):
  mfd: rk808: fix up the chip id get failed
  mfd: rk808: add rk805 regs addr and ID
  regulator: rk808: Add regulator driver for RK805
  mfd: rk808: Add RK805 support
  clk: Kconfig: Name RK805 in Kconfig for COMMON_CLK_RK808
  rtc: Kconfig: Name RK805 in Kconfig for RTC_DRV_RK808
  mfd: dt-bindings: Add RK805 device tree bindings document

Joseph Chen (5):
  pinctrl: Add pinctrl driver for the RK805 PMIC
  Input: Add power key driver for Rockchip RK805 PMIC
  mfd: rk808: Add RK805 pinctrl support
  mfd: rk808: Add RK805 power key support
  pinctrl: dt-bindings: add bindings for Rockchip RK805 PMIC

 Documentation/devicetree/bindings/mfd/rk808.txt    |  22 +-
 .../devicetree/bindings/pinctrl/pinctrl-rk805.txt  |  63 +++
 drivers/clk/Kconfig                                |   4 +-
 drivers/input/misc/Kconfig                         |   6 +
 drivers/input/misc/Makefile                        |   1 +
 drivers/input/misc/rk805-pwrkey.c                  | 111 +++++
 drivers/mfd/Kconfig                                |   4 +-
 drivers/mfd/rk808.c                                | 147 +++++-
 drivers/pinctrl/Kconfig                            |   9 +
 drivers/pinctrl/Makefile                           |   1 +
 drivers/pinctrl/pinctrl-rk805.c                    | 493 +++++++++++++++++++++
 drivers/regulator/Kconfig                          |   4 +-
 drivers/regulator/rk808-regulator.c                | 130 ++++++
 drivers/rtc/Kconfig                                |   4 +-
 include/linux/mfd/rk808.h                          | 121 +++++
 15 files changed, 1105 insertions(+), 15 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/pinctrl/pinctrl-rk805.txt
 create mode 100644 drivers/input/misc/rk805-pwrkey.c
 create mode 100644 drivers/pinctrl/pinctrl-rk805.c

-- 
1.9.1

[rtc-linux] [RESEND v9 00/12] rk808: Add RK805 support

[Joseph Chen]

change in RESEND v9:
None changes, add Lee Jones and other related email address.

change in v9:
PATCH V9 1/12: (1) fix spelling issue: s/Chip/chip/
	       (2) apply tag: Acked-for-MFD-by: Lee Jones <lee.jones@linaro.org>
PATCH V9 2/12: apply tag: Acked-for-MFD-by: Lee Jones <lee.jones@linaro.org>
PATCH V9 3/12: None
PATCH V9 4/12: apply tag: Acked-for-MFD-by: Lee Jones <lee.jones@linaro.org>
PATCH V9 5/12: None
PATCH V9 6/12: None
PATCH V9 7/12: apply tag: Acked-for-MFD-by: Lee Jones <lee.jones@linaro.org>
PATCH V9 8/12: apply tag: Acked-by: Linus Walleij <linus.walleij@linaro.org>
PATCH V9 9/12: None (Actually, something directly updated by Dmitry Torokhov and applied on PATCH V7.
	       Link: https://git.kernel.org/pub/scm/linux/kernel/git/dtor/input.git/log/?h=next
PATCH V9 10/12: apply tag: Acked-for-MFD-by: Lee Jones <lee.jones@linaro.org>
PATCH V9 11/12: apply tag: Acked-for-MFD-by: Lee Jones <lee.jones@linaro.org>
PATCH V9 12/12: None

change in v8:
PATCH V8 1/12: add: Signed-off-by: Joseph Chen <chenjh@rock-chips.com>
PATCH V8 2/12: add: Signed-off-by: Joseph Chen <chenjh@rock-chips.com>
PATCH V8 3/12: add: Signed-off-by: Joseph Chen <chenjh@rock-chips.com>
PATCH V8 4/12: add: Signed-off-by: Joseph Chen <chenjh@rock-chips.com>
PATCH V8 5/12: add: Signed-off-by: Joseph Chen <chenjh@rock-chips.com>
PATCH V8 6/12: add: Signed-off-by: Joseph Chen <chenjh@rock-chips.com>
PATCH V8 7/12: add: Signed-off-by: Joseph Chen <chenjh@rock-chips.com>
PATCH V8 8/12: (1) Kconfig: update coding style
	       (2) pinctrl-rk805.c: using #include <linux/gpio/driver.h>
	       (3) pinctrl-rk805.c: inline data and open code it; remove FUNCTION_GROUP and PINGROUP macros definition 
PATCH V8 9/12: NO change in V8
PATCH V8 10/12: apply tag: Acked-by: Linus Walleij <linus.walleij@linaro.org>	
PATCH V8 11/12: NO change in V8
PATCH V8 12/12: (1) using semicolon after "output-high"
		(2) apply tag: Acked-by: Linus Walleij <linus.walleij@linaro.org>

change in v7:
PATCH V7 1/12: NO change in V7
PATCH V7 2/12: NO change in V7
PATCH V7 3/12: fix missing: Acked-by: Mark Brown <broonie@kernel.org>
PATCH V7 4/12: NO change in V7
PATCH V7 5/12: NO change in V7
PATCH V7 6/12: NO change in V7
PATCH V7 7/12: fix missing: Acked-by: Rob Herring <robh@kernel.org>
PATCH V7 8/12: abandon drivers/gpio/gpio-rk805.c and add drivers/pinctrl/pinctrl-rk805.c
PATCH V7 9/12: reset author and signed off with my english name
	       reset MODULE_AUTHOR() with my english name
	       replace devm_request_threaded_irq() with devm_request_any_context_irq()
PATCH V7 10/12: replace 'gpio-rk805' with 'pinctrl-rk805' in struct mfd_cell rk805s[]
PATCH V7 11/12: NO change in V7
PATCH V7 12/12: dt-bindings: abandon gpio-rk805.txt and add pinctrl-rk805.txt

change in v6:
patch1~7 no changed in V6.
add patch 8~12 for gpio and powerkey func for rk805.

change in v5:
PATCH V5 1/7: NO change in V5
PATCH V5 2/7: fix the rk805 reg addr in numerical order
PATCH V5 3/7: NO change in V5
PATCH V5 4/7: fix up the rk805_device_shutdown func
PATCH V5 5/7: NO change in V5
PATCH V5 6/7: NO change in V5
PATCH V5 7/7: fix up the description of the rk805

change in v4:
PATCH V4 1/7: NO change in V4
PATCH V4 2/7: rename the commit message
PATCH V4 3/7: NO change in V4
PATCH V4 4/7: Split this patch up into subsystems patch 5/7 6/7
PATCH V4 5/7: new added
PATCH V4 6/7: new added
PATCH V4 7/7: NO change in V4


change in V3:
PATCH V3 1/5: NO change in V3
PATCH V3 2/5: add rk805 RTC INT MASK define
PATCH V3 3/5: RK805 set suspend enable and disable is different from rk808
              use rk805_regs_ops and rk805_switch_ops
PATCH V3 4/5: fix up the shutdown func
              use pm_shutdown_prepare_fn to prepare shutdown
              and pm_pwroff_fn pull down gpio to shut down rk805
              it will update in the future(after rk808 support gpio func)
PATCH V3 5/5: NO change in V3

change in V2:
PATCH V2 1/5: NO change in V2
PATCH V2 2/5: add rk805 BUCK ILMAX define
PATCH V2 3/5: NO change in V2
PATCH V2 4/5: setting RK805 BUCK ILMAX in pre init
PATCH V2 5/5: Add RK805 device tree bindings document

Elaine Zhang (7):
  mfd: rk808: fix up the chip id get failed
  mfd: rk808: add rk805 regs addr and ID
  regulator: rk808: Add regulator driver for RK805
  mfd: rk808: Add RK805 support
  clk: Kconfig: Name RK805 in Kconfig for COMMON_CLK_RK808
  rtc: Kconfig: Name RK805 in Kconfig for RTC_DRV_RK808
  mfd: dt-bindings: Add RK805 device tree bindings document

Joseph Chen (5):
  pinctrl: Add pinctrl driver for the RK805 PMIC
  Input: Add power key driver for Rockchip RK805 PMIC
  mfd: rk808: Add RK805 pinctrl support
  mfd: rk808: Add RK805 power key support
  pinctrl: dt-bindings: add bindings for Rockchip RK805 PMIC

 Documentation/devicetree/bindings/mfd/rk808.txt    |  22 +-
 .../devicetree/bindings/pinctrl/pinctrl-rk805.txt  |  63 +++
 drivers/clk/Kconfig                                |   4 +-
 drivers/input/misc/Kconfig                         |   6 +
 drivers/input/misc/Makefile                        |   1 +
 drivers/input/misc/rk805-pwrkey.c                  | 111 +++++
 drivers/mfd/Kconfig                                |   4 +-
 drivers/mfd/rk808.c                                | 147 +++++-
 drivers/pinctrl/Kconfig                            |   9 +
 drivers/pinctrl/Makefile                           |   1 +
 drivers/pinctrl/pinctrl-rk805.c                    | 493 +++++++++++++++++++++
 drivers/regulator/Kconfig                          |   4 +-
 drivers/regulator/rk808-regulator.c                | 130 ++++++
 drivers/rtc/Kconfig                                |   4 +-
 include/linux/mfd/rk808.h                          | 121 +++++
 15 files changed, 1105 insertions(+), 15 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/pinctrl/pinctrl-rk805.txt
 create mode 100644 drivers/input/misc/rk805-pwrkey.c
 create mode 100644 drivers/pinctrl/pinctrl-rk805.c

-- 
1.9.1


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[RESEND v9 01/12] mfd: rk808: fix up the chip id get failed

[Joseph Chen]

From: Elaine Zhang <zhangqing@rock-chips.com>

the rk8xx chip id is:
((MSB << 8) | LSB) & 0xfff0

Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
Signed-off-by: Joseph Chen <chenjh@rock-chips.com>
Acked-for-MFD-by: Lee Jones <lee.jones@linaro.org>
---
 drivers/mfd/rk808.c       | 21 +++++++++++++++------
 include/linux/mfd/rk808.h |  1 +
 2 files changed, 16 insertions(+), 6 deletions(-)

diff --git a/drivers/mfd/rk808.c b/drivers/mfd/rk808.c
index fd087cb..8e60eba 100644
--- a/drivers/mfd/rk808.c
+++ b/drivers/mfd/rk808.c
@@ -325,7 +325,7 @@ static int rk808_probe(struct i2c_client *client,
 	void (*pm_pwroff_fn)(void);
 	int nr_pre_init_regs;
 	int nr_cells;
-	int pm_off = 0;
+	int pm_off = 0, msb, lsb;
 	int ret;
 	int i;
 
@@ -333,14 +333,23 @@ static int rk808_probe(struct i2c_client *client,
 	if (!rk808)
 		return -ENOMEM;
 
-	rk808->variant = i2c_smbus_read_word_data(client, RK808_ID_MSB);
-	if (rk808->variant < 0) {
-		dev_err(&client->dev, "Failed to read the chip id at 0x%02x\n",
+	/* Read chip variant */
+	msb = i2c_smbus_read_byte_data(client, RK808_ID_MSB);
+	if (msb < 0) {
+		dev_err(&client->dev, "failed to read the chip id at 0x%x\n",
 			RK808_ID_MSB);
-		return rk808->variant;
+		return msb;
 	}
 
-	dev_dbg(&client->dev, "Chip id: 0x%x\n", (unsigned int)rk808->variant);
+	lsb = i2c_smbus_read_byte_data(client, RK808_ID_LSB);
+	if (lsb < 0) {
+		dev_err(&client->dev, "failed to read the chip id at 0x%x\n",
+			RK808_ID_LSB);
+		return lsb;
+	}
+
+	rk808->variant = ((msb << 8) | lsb) & RK8XX_ID_MSK;
+	dev_info(&client->dev, "chip id: 0x%x\n", (unsigned int)rk808->variant);
 
 	switch (rk808->variant) {
 	case RK808_ID:
diff --git a/include/linux/mfd/rk808.h b/include/linux/mfd/rk808.h
index 83701ef..54feb14 100644
--- a/include/linux/mfd/rk808.h
+++ b/include/linux/mfd/rk808.h
@@ -298,6 +298,7 @@ enum rk818_reg {
 #define VOUT_LO_INT	BIT(0)
 #define CLK32KOUT2_EN	BIT(0)
 
+#define RK8XX_ID_MSK			0xfff0
 enum {
 	BUCK_ILMIN_50MA,
 	BUCK_ILMIN_100MA,
-- 
1.9.1

[rtc-linux] [RESEND v9 01/12] mfd: rk808: fix up the chip id get failed

[Joseph Chen]

From: Elaine Zhang <zhangqing@rock-chips.com>

the rk8xx chip id is:
((MSB << 8) | LSB) & 0xfff0

Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
Signed-off-by: Joseph Chen <chenjh@rock-chips.com>
Acked-for-MFD-by: Lee Jones <lee.jones@linaro.org>
---
 drivers/mfd/rk808.c       | 21 +++++++++++++++------
 include/linux/mfd/rk808.h |  1 +
 2 files changed, 16 insertions(+), 6 deletions(-)

diff --git a/drivers/mfd/rk808.c b/drivers/mfd/rk808.c
index fd087cb..8e60eba 100644
--- a/drivers/mfd/rk808.c
+++ b/drivers/mfd/rk808.c
@@ -325,7 +325,7 @@ static int rk808_probe(struct i2c_client *client,
 	void (*pm_pwroff_fn)(void);
 	int nr_pre_init_regs;
 	int nr_cells;
-	int pm_off = 0;
+	int pm_off = 0, msb, lsb;
 	int ret;
 	int i;
 
@@ -333,14 +333,23 @@ static int rk808_probe(struct i2c_client *client,
 	if (!rk808)
 		return -ENOMEM;
 
-	rk808->variant = i2c_smbus_read_word_data(client, RK808_ID_MSB);
-	if (rk808->variant < 0) {
-		dev_err(&client->dev, "Failed to read the chip id at 0x%02x\n",
+	/* Read chip variant */
+	msb = i2c_smbus_read_byte_data(client, RK808_ID_MSB);
+	if (msb < 0) {
+		dev_err(&client->dev, "failed to read the chip id at 0x%x\n",
 			RK808_ID_MSB);
-		return rk808->variant;
+		return msb;
 	}
 
-	dev_dbg(&client->dev, "Chip id: 0x%x\n", (unsigned int)rk808->variant);
+	lsb = i2c_smbus_read_byte_data(client, RK808_ID_LSB);
+	if (lsb < 0) {
+		dev_err(&client->dev, "failed to read the chip id at 0x%x\n",
+			RK808_ID_LSB);
+		return lsb;
+	}
+
+	rk808->variant = ((msb << 8) | lsb) & RK8XX_ID_MSK;
+	dev_info(&client->dev, "chip id: 0x%x\n", (unsigned int)rk808->variant);
 
 	switch (rk808->variant) {
 	case RK808_ID:
diff --git a/include/linux/mfd/rk808.h b/include/linux/mfd/rk808.h
index 83701ef..54feb14 100644
--- a/include/linux/mfd/rk808.h
+++ b/include/linux/mfd/rk808.h
@@ -298,6 +298,7 @@ enum rk818_reg {
 #define VOUT_LO_INT	BIT(0)
 #define CLK32KOUT2_EN	BIT(0)
 
+#define RK8XX_ID_MSK			0xfff0
 enum {
 	BUCK_ILMIN_50MA,
 	BUCK_ILMIN_100MA,
-- 
1.9.1


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[RESEND v9 03/12] regulator: rk808: Add regulator driver for RK805

[Joseph Chen]

From: Elaine Zhang <zhangqing@rock-chips.com>

Add support for the rk805 regulator. The regulator module consists
of 4 DCDCs, 3 LDOs.

The output voltages are configurable and are meant to supply power
to the main processor and other components.

Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
Signed-off-by: Joseph Chen <chenjh@rock-chips.com>
Acked-by: Mark Brown <broonie@kernel.org>
---
 drivers/regulator/Kconfig           |   4 +-
 drivers/regulator/rk808-regulator.c | 130 ++++++++++++++++++++++++++++++++++++
 2 files changed, 132 insertions(+), 2 deletions(-)

diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig
index be06eb2..285e280 100644
--- a/drivers/regulator/Kconfig
+++ b/drivers/regulator/Kconfig
@@ -650,11 +650,11 @@ config REGULATOR_RC5T583
 	  outputs which can be controlled by i2c communication.
 
 config REGULATOR_RK808
-	tristate "Rockchip RK808/RK818 Power regulators"
+	tristate "Rockchip RK805/RK808/RK818 Power regulators"
 	depends on MFD_RK808
 	help
 	  Select this option to enable the power regulator of ROCKCHIP
-	  PMIC RK808 and RK818.
+	  PMIC RK805,RK808 and RK818.
 	  This driver supports the control of different power rails of device
 	  through regulator interface. The device supports multiple DCDC/LDO
 	  outputs which can be controlled by i2c communication.
diff --git a/drivers/regulator/rk808-regulator.c b/drivers/regulator/rk808-regulator.c
index fb44d52..128c81e 100644
--- a/drivers/regulator/rk808-regulator.c
+++ b/drivers/regulator/rk808-regulator.c
@@ -65,6 +65,27 @@
 /* max steps for increase voltage of Buck1/2, equal 100mv*/
 #define MAX_STEPS_ONE_TIME 8
 
+#define RK805_DESC(_id, _match, _supply, _min, _max, _step, _vreg,      \
+	_vmask, _ereg, _emask, _etime)                                  \
+	[_id] = {                                                       \
+		.name           = (_match),                             \
+		.supply_name    = (_supply),                            \
+		.of_match       = of_match_ptr(_match),                 \
+		.regulators_node = of_match_ptr("regulators"),          \
+		.type           = REGULATOR_VOLTAGE,                    \
+		.id             = (_id),                                \
+		.n_voltages     = (((_max) - (_min)) / (_step) + 1),    \
+		.owner          = THIS_MODULE,                          \
+		.min_uV         = (_min) * 1000,                        \
+		.uV_step        = (_step) * 1000,                       \
+		.vsel_reg       = (_vreg),                              \
+		.vsel_mask      = (_vmask),                             \
+		.enable_reg     = (_ereg),                              \
+		.enable_mask    = (_emask),                             \
+		.enable_time    = (_etime),                             \
+		.ops            = &rk805_reg_ops,                       \
+	}
+
 #define RK8XX_DESC(_id, _match, _supply, _min, _max, _step, _vreg,	\
 	_vmask, _ereg, _emask, _etime)					\
 	[_id] = {							\
@@ -298,6 +319,28 @@ static int rk808_set_suspend_voltage_range(struct regulator_dev *rdev, int uv)
 				  sel);
 }
 
+static int rk805_set_suspend_enable(struct regulator_dev *rdev)
+{
+	unsigned int reg;
+
+	reg = rdev->desc->enable_reg + RK808_SLP_SET_OFF_REG_OFFSET;
+
+	return regmap_update_bits(rdev->regmap, reg,
+				  rdev->desc->enable_mask,
+				  rdev->desc->enable_mask);
+}
+
+static int rk805_set_suspend_disable(struct regulator_dev *rdev)
+{
+	unsigned int reg;
+
+	reg = rdev->desc->enable_reg + RK808_SLP_SET_OFF_REG_OFFSET;
+
+	return regmap_update_bits(rdev->regmap, reg,
+				  rdev->desc->enable_mask,
+				  0);
+}
+
 static int rk808_set_suspend_enable(struct regulator_dev *rdev)
 {
 	unsigned int reg;
@@ -320,6 +363,27 @@ static int rk808_set_suspend_disable(struct regulator_dev *rdev)
 				  rdev->desc->enable_mask);
 }
 
+static struct regulator_ops rk805_reg_ops = {
+		.list_voltage           = regulator_list_voltage_linear,
+		.map_voltage            = regulator_map_voltage_linear,
+		.get_voltage_sel        = regulator_get_voltage_sel_regmap,
+		.set_voltage_sel        = regulator_set_voltage_sel_regmap,
+		.enable                 = regulator_enable_regmap,
+		.disable                = regulator_disable_regmap,
+		.is_enabled             = regulator_is_enabled_regmap,
+		.set_suspend_voltage    = rk808_set_suspend_voltage,
+		.set_suspend_enable     = rk805_set_suspend_enable,
+		.set_suspend_disable    = rk805_set_suspend_disable,
+};
+
+static struct regulator_ops rk805_switch_ops = {
+		.enable                 = regulator_enable_regmap,
+		.disable                = regulator_disable_regmap,
+		.is_enabled             = regulator_is_enabled_regmap,
+		.set_suspend_enable     = rk805_set_suspend_enable,
+		.set_suspend_disable    = rk805_set_suspend_disable,
+};
+
 static struct regulator_ops rk808_buck1_2_ops = {
 	.list_voltage		= regulator_list_voltage_linear,
 	.map_voltage		= regulator_map_voltage_linear,
@@ -369,6 +433,68 @@ static int rk808_set_suspend_disable(struct regulator_dev *rdev)
 	.set_suspend_disable	= rk808_set_suspend_disable,
 };
 
+static const struct regulator_desc rk805_reg[] = {
+	{
+		.name = "DCDC_REG1",
+		.supply_name = "vcc1",
+		.of_match = of_match_ptr("DCDC_REG1"),
+		.regulators_node = of_match_ptr("regulators"),
+		.id = RK805_ID_DCDC1,
+		.ops = &rk805_reg_ops,
+		.type = REGULATOR_VOLTAGE,
+		.min_uV = 712500,
+		.uV_step = 12500,
+		.n_voltages = 64,
+		.vsel_reg = RK805_BUCK1_ON_VSEL_REG,
+		.vsel_mask = RK818_BUCK_VSEL_MASK,
+		.enable_reg = RK805_DCDC_EN_REG,
+		.enable_mask = BIT(0),
+		.owner = THIS_MODULE,
+	}, {
+		.name = "DCDC_REG2",
+		.supply_name = "vcc2",
+		.of_match = of_match_ptr("DCDC_REG2"),
+		.regulators_node = of_match_ptr("regulators"),
+		.id = RK805_ID_DCDC2,
+		.ops = &rk805_reg_ops,
+		.type = REGULATOR_VOLTAGE,
+		.min_uV = 712500,
+		.uV_step = 12500,
+		.n_voltages = 64,
+		.vsel_reg = RK805_BUCK2_ON_VSEL_REG,
+		.vsel_mask = RK818_BUCK_VSEL_MASK,
+		.enable_reg = RK805_DCDC_EN_REG,
+		.enable_mask = BIT(1),
+		.owner = THIS_MODULE,
+	}, {
+		.name = "DCDC_REG3",
+		.supply_name = "vcc3",
+		.of_match = of_match_ptr("DCDC_REG3"),
+		.regulators_node = of_match_ptr("regulators"),
+		.id = RK805_ID_DCDC3,
+		.ops = &rk805_switch_ops,
+		.type = REGULATOR_VOLTAGE,
+		.n_voltages = 1,
+		.enable_reg = RK805_DCDC_EN_REG,
+		.enable_mask = BIT(2),
+		.owner = THIS_MODULE,
+	},
+
+	RK805_DESC(RK805_ID_DCDC4, "DCDC_REG4", "vcc4", 800, 3400, 100,
+		RK805_BUCK4_ON_VSEL_REG, RK818_BUCK4_VSEL_MASK,
+		RK805_DCDC_EN_REG, BIT(3), 0),
+
+	RK805_DESC(RK805_ID_LDO1, "LDO_REG1", "vcc5", 800, 3400, 100,
+		RK805_LDO1_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK805_LDO_EN_REG,
+		BIT(0), 400),
+	RK805_DESC(RK805_ID_LDO2, "LDO_REG2", "vcc5", 800, 3400, 100,
+		RK805_LDO2_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK805_LDO_EN_REG,
+		BIT(1), 400),
+	RK805_DESC(RK805_ID_LDO3, "LDO_REG3", "vcc6", 800, 3400, 100,
+		RK805_LDO3_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK805_LDO_EN_REG,
+		BIT(2), 400),
+};
+
 static const struct regulator_desc rk808_reg[] = {
 	{
 		.name = "DCDC_REG1",
@@ -625,6 +751,10 @@ static int rk808_regulator_probe(struct platform_device *pdev)
 	platform_set_drvdata(pdev, pdata);
 
 	switch (rk808->variant) {
+	case RK805_ID:
+		regulators = rk805_reg;
+		nregulators = RK805_NUM_REGULATORS;
+		break;
 	case RK808_ID:
 		regulators = rk808_reg;
 		nregulators = RK808_NUM_REGULATORS;
-- 
1.9.1

[rtc-linux] [RESEND v9 03/12] regulator: rk808: Add regulator driver for RK805

[Joseph Chen]

From: Elaine Zhang <zhangqing@rock-chips.com>

Add support for the rk805 regulator. The regulator module consists
of 4 DCDCs, 3 LDOs.

The output voltages are configurable and are meant to supply power
to the main processor and other components.

Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
Signed-off-by: Joseph Chen <chenjh@rock-chips.com>
Acked-by: Mark Brown <broonie@kernel.org>
---
 drivers/regulator/Kconfig           |   4 +-
 drivers/regulator/rk808-regulator.c | 130 ++++++++++++++++++++++++++++++++++++
 2 files changed, 132 insertions(+), 2 deletions(-)

diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig
index be06eb2..285e280 100644
--- a/drivers/regulator/Kconfig
+++ b/drivers/regulator/Kconfig
@@ -650,11 +650,11 @@ config REGULATOR_RC5T583
 	  outputs which can be controlled by i2c communication.
 
 config REGULATOR_RK808
-	tristate "Rockchip RK808/RK818 Power regulators"
+	tristate "Rockchip RK805/RK808/RK818 Power regulators"
 	depends on MFD_RK808
 	help
 	  Select this option to enable the power regulator of ROCKCHIP
-	  PMIC RK808 and RK818.
+	  PMIC RK805,RK808 and RK818.
 	  This driver supports the control of different power rails of device
 	  through regulator interface. The device supports multiple DCDC/LDO
 	  outputs which can be controlled by i2c communication.
diff --git a/drivers/regulator/rk808-regulator.c b/drivers/regulator/rk808-regulator.c
index fb44d52..128c81e 100644
--- a/drivers/regulator/rk808-regulator.c
+++ b/drivers/regulator/rk808-regulator.c
@@ -65,6 +65,27 @@
 /* max steps for increase voltage of Buck1/2, equal 100mv*/
 #define MAX_STEPS_ONE_TIME 8
 
+#define RK805_DESC(_id, _match, _supply, _min, _max, _step, _vreg,      \
+	_vmask, _ereg, _emask, _etime)                                  \
+	[_id] = {                                                       \
+		.name           = (_match),                             \
+		.supply_name    = (_supply),                            \
+		.of_match       = of_match_ptr(_match),                 \
+		.regulators_node = of_match_ptr("regulators"),          \
+		.type           = REGULATOR_VOLTAGE,                    \
+		.id             = (_id),                                \
+		.n_voltages     = (((_max) - (_min)) / (_step) + 1),    \
+		.owner          = THIS_MODULE,                          \
+		.min_uV         = (_min) * 1000,                        \
+		.uV_step        = (_step) * 1000,                       \
+		.vsel_reg       = (_vreg),                              \
+		.vsel_mask      = (_vmask),                             \
+		.enable_reg     = (_ereg),                              \
+		.enable_mask    = (_emask),                             \
+		.enable_time    = (_etime),                             \
+		.ops            = &rk805_reg_ops,                       \
+	}
+
 #define RK8XX_DESC(_id, _match, _supply, _min, _max, _step, _vreg,	\
 	_vmask, _ereg, _emask, _etime)					\
 	[_id] = {							\
@@ -298,6 +319,28 @@ static int rk808_set_suspend_voltage_range(struct regulator_dev *rdev, int uv)
 				  sel);
 }
 
+static int rk805_set_suspend_enable(struct regulator_dev *rdev)
+{
+	unsigned int reg;
+
+	reg = rdev->desc->enable_reg + RK808_SLP_SET_OFF_REG_OFFSET;
+
+	return regmap_update_bits(rdev->regmap, reg,
+				  rdev->desc->enable_mask,
+				  rdev->desc->enable_mask);
+}
+
+static int rk805_set_suspend_disable(struct regulator_dev *rdev)
+{
+	unsigned int reg;
+
+	reg = rdev->desc->enable_reg + RK808_SLP_SET_OFF_REG_OFFSET;
+
+	return regmap_update_bits(rdev->regmap, reg,
+				  rdev->desc->enable_mask,
+				  0);
+}
+
 static int rk808_set_suspend_enable(struct regulator_dev *rdev)
 {
 	unsigned int reg;
@@ -320,6 +363,27 @@ static int rk808_set_suspend_disable(struct regulator_dev *rdev)
 				  rdev->desc->enable_mask);
 }
 
+static struct regulator_ops rk805_reg_ops = {
+		.list_voltage           = regulator_list_voltage_linear,
+		.map_voltage            = regulator_map_voltage_linear,
+		.get_voltage_sel        = regulator_get_voltage_sel_regmap,
+		.set_voltage_sel        = regulator_set_voltage_sel_regmap,
+		.enable                 = regulator_enable_regmap,
+		.disable                = regulator_disable_regmap,
+		.is_enabled             = regulator_is_enabled_regmap,
+		.set_suspend_voltage    = rk808_set_suspend_voltage,
+		.set_suspend_enable     = rk805_set_suspend_enable,
+		.set_suspend_disable    = rk805_set_suspend_disable,
+};
+
+static struct regulator_ops rk805_switch_ops = {
+		.enable                 = regulator_enable_regmap,
+		.disable                = regulator_disable_regmap,
+		.is_enabled             = regulator_is_enabled_regmap,
+		.set_suspend_enable     = rk805_set_suspend_enable,
+		.set_suspend_disable    = rk805_set_suspend_disable,
+};
+
 static struct regulator_ops rk808_buck1_2_ops = {
 	.list_voltage		= regulator_list_voltage_linear,
 	.map_voltage		= regulator_map_voltage_linear,
@@ -369,6 +433,68 @@ static int rk808_set_suspend_disable(struct regulator_dev *rdev)
 	.set_suspend_disable	= rk808_set_suspend_disable,
 };
 
+static const struct regulator_desc rk805_reg[] = {
+	{
+		.name = "DCDC_REG1",
+		.supply_name = "vcc1",
+		.of_match = of_match_ptr("DCDC_REG1"),
+		.regulators_node = of_match_ptr("regulators"),
+		.id = RK805_ID_DCDC1,
+		.ops = &rk805_reg_ops,
+		.type = REGULATOR_VOLTAGE,
+		.min_uV = 712500,
+		.uV_step = 12500,
+		.n_voltages = 64,
+		.vsel_reg = RK805_BUCK1_ON_VSEL_REG,
+		.vsel_mask = RK818_BUCK_VSEL_MASK,
+		.enable_reg = RK805_DCDC_EN_REG,
+		.enable_mask = BIT(0),
+		.owner = THIS_MODULE,
+	}, {
+		.name = "DCDC_REG2",
+		.supply_name = "vcc2",
+		.of_match = of_match_ptr("DCDC_REG2"),
+		.regulators_node = of_match_ptr("regulators"),
+		.id = RK805_ID_DCDC2,
+		.ops = &rk805_reg_ops,
+		.type = REGULATOR_VOLTAGE,
+		.min_uV = 712500,
+		.uV_step = 12500,
+		.n_voltages = 64,
+		.vsel_reg = RK805_BUCK2_ON_VSEL_REG,
+		.vsel_mask = RK818_BUCK_VSEL_MASK,
+		.enable_reg = RK805_DCDC_EN_REG,
+		.enable_mask = BIT(1),
+		.owner = THIS_MODULE,
+	}, {
+		.name = "DCDC_REG3",
+		.supply_name = "vcc3",
+		.of_match = of_match_ptr("DCDC_REG3"),
+		.regulators_node = of_match_ptr("regulators"),
+		.id = RK805_ID_DCDC3,
+		.ops = &rk805_switch_ops,
+		.type = REGULATOR_VOLTAGE,
+		.n_voltages = 1,
+		.enable_reg = RK805_DCDC_EN_REG,
+		.enable_mask = BIT(2),
+		.owner = THIS_MODULE,
+	},
+
+	RK805_DESC(RK805_ID_DCDC4, "DCDC_REG4", "vcc4", 800, 3400, 100,
+		RK805_BUCK4_ON_VSEL_REG, RK818_BUCK4_VSEL_MASK,
+		RK805_DCDC_EN_REG, BIT(3), 0),
+
+	RK805_DESC(RK805_ID_LDO1, "LDO_REG1", "vcc5", 800, 3400, 100,
+		RK805_LDO1_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK805_LDO_EN_REG,
+		BIT(0), 400),
+	RK805_DESC(RK805_ID_LDO2, "LDO_REG2", "vcc5", 800, 3400, 100,
+		RK805_LDO2_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK805_LDO_EN_REG,
+		BIT(1), 400),
+	RK805_DESC(RK805_ID_LDO3, "LDO_REG3", "vcc6", 800, 3400, 100,
+		RK805_LDO3_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK805_LDO_EN_REG,
+		BIT(2), 400),
+};
+
 static const struct regulator_desc rk808_reg[] = {
 	{
 		.name = "DCDC_REG1",
@@ -625,6 +751,10 @@ static int rk808_regulator_probe(struct platform_device *pdev)
 	platform_set_drvdata(pdev, pdata);
 
 	switch (rk808->variant) {
+	case RK805_ID:
+		regulators = rk805_reg;
+		nregulators = RK805_NUM_REGULATORS;
+		break;
 	case RK808_ID:
 		regulators = rk808_reg;
 		nregulators = RK808_NUM_REGULATORS;
-- 
1.9.1


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[RESEND v9 04/12] mfd: rk808: Add RK805 support

[Joseph Chen]

From: Elaine Zhang <zhangqing@rock-chips.com>

The RK805 chip is a Power Management IC (PMIC) for multimedia and handheld
devices. It contains the following components:

    - Regulators
    - RTC
    - Clocking

Both RK808 and RK805 chips are using a similar register map,
so we can reuse the RTC and Clocking functionality.

Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
Signed-off-by: Joseph Chen <chenjh@rock-chips.com>
Acked-for-MFD-by: Lee Jones <lee.jones@linaro.org>
---
 drivers/mfd/Kconfig |   4 +-
 drivers/mfd/rk808.c | 108 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 110 insertions(+), 2 deletions(-)

diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index 55ecdfb..b410a34 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -892,13 +892,13 @@ config MFD_RC5T583
 	  different functionality of the device.
 
 config MFD_RK808
-	tristate "Rockchip RK808/RK818 Power Management Chip"
+	tristate "Rockchip RK805/RK808/RK818 Power Management Chip"
 	depends on I2C && OF
 	select MFD_CORE
 	select REGMAP_I2C
 	select REGMAP_IRQ
 	help
-	  If you say yes here you get support for the RK808 and RK818
+	  If you say yes here you get support for the RK805, RK808 and RK818
 	  Power Management chips.
 	  This driver provides common support for accessing the device
 	  through I2C interface. The device supports multiple sub-devices
diff --git a/drivers/mfd/rk808.c b/drivers/mfd/rk808.c
index 8e60eba..18329c8 100644
--- a/drivers/mfd/rk808.c
+++ b/drivers/mfd/rk808.c
@@ -70,6 +70,14 @@ static bool rk808_is_volatile_reg(struct device *dev, unsigned int reg)
 	.volatile_reg = rk808_is_volatile_reg,
 };
 
+static const struct regmap_config rk805_regmap_config = {
+	.reg_bits = 8,
+	.val_bits = 8,
+	.max_register = RK805_OFF_SOURCE_REG,
+	.cache_type = REGCACHE_RBTREE,
+	.volatile_reg = rk808_is_volatile_reg,
+};
+
 static const struct regmap_config rk808_regmap_config = {
 	.reg_bits = 8,
 	.val_bits = 8,
@@ -86,6 +94,16 @@ static bool rk808_is_volatile_reg(struct device *dev, unsigned int reg)
 	}
 };
 
+static const struct mfd_cell rk805s[] = {
+	{ .name = "rk808-clkout", },
+	{ .name = "rk808-regulator", },
+	{
+		.name = "rk808-rtc",
+		.num_resources = ARRAY_SIZE(rtc_resources),
+		.resources = &rtc_resources[0],
+	},
+};
+
 static const struct mfd_cell rk808s[] = {
 	{ .name = "rk808-clkout", },
 	{ .name = "rk808-regulator", },
@@ -106,6 +124,20 @@ static bool rk808_is_volatile_reg(struct device *dev, unsigned int reg)
 	},
 };
 
+static const struct rk808_reg_data rk805_pre_init_reg[] = {
+	{RK805_BUCK1_CONFIG_REG, RK805_BUCK1_2_ILMAX_MASK,
+				 RK805_BUCK1_2_ILMAX_4000MA},
+	{RK805_BUCK2_CONFIG_REG, RK805_BUCK1_2_ILMAX_MASK,
+				 RK805_BUCK1_2_ILMAX_4000MA},
+	{RK805_BUCK3_CONFIG_REG, RK805_BUCK3_4_ILMAX_MASK,
+				 RK805_BUCK3_ILMAX_3000MA},
+	{RK805_BUCK4_CONFIG_REG, RK805_BUCK3_4_ILMAX_MASK,
+				 RK805_BUCK4_ILMAX_3500MA},
+	{RK805_BUCK4_CONFIG_REG, BUCK_ILMIN_MASK, BUCK_ILMIN_400MA},
+	{RK805_GPIO_IO_POL_REG, SLP_SD_MSK, SLEEP_FUN},
+	{RK805_THERMAL_REG, TEMP_HOTDIE_MSK, TEMP115C},
+};
+
 static const struct rk808_reg_data rk808_pre_init_reg[] = {
 	{ RK808_BUCK3_CONFIG_REG, BUCK_ILMIN_MASK,  BUCK_ILMIN_150MA },
 	{ RK808_BUCK4_CONFIG_REG, BUCK_ILMIN_MASK,  BUCK_ILMIN_200MA },
@@ -135,6 +167,41 @@ static bool rk808_is_volatile_reg(struct device *dev, unsigned int reg)
 						    VB_LO_SEL_3500MV },
 };
 
+static const struct regmap_irq rk805_irqs[] = {
+	[RK805_IRQ_PWRON_RISE] = {
+		.mask = RK805_IRQ_PWRON_RISE_MSK,
+		.reg_offset = 0,
+	},
+	[RK805_IRQ_VB_LOW] = {
+		.mask = RK805_IRQ_VB_LOW_MSK,
+		.reg_offset = 0,
+	},
+	[RK805_IRQ_PWRON] = {
+		.mask = RK805_IRQ_PWRON_MSK,
+		.reg_offset = 0,
+	},
+	[RK805_IRQ_PWRON_LP] = {
+		.mask = RK805_IRQ_PWRON_LP_MSK,
+		.reg_offset = 0,
+	},
+	[RK805_IRQ_HOTDIE] = {
+		.mask = RK805_IRQ_HOTDIE_MSK,
+		.reg_offset = 0,
+	},
+	[RK805_IRQ_RTC_ALARM] = {
+		.mask = RK805_IRQ_RTC_ALARM_MSK,
+		.reg_offset = 0,
+	},
+	[RK805_IRQ_RTC_PERIOD] = {
+		.mask = RK805_IRQ_RTC_PERIOD_MSK,
+		.reg_offset = 0,
+	},
+	[RK805_IRQ_PWRON_FALL] = {
+		.mask = RK805_IRQ_PWRON_FALL_MSK,
+		.reg_offset = 0,
+	},
+};
+
 static const struct regmap_irq rk808_irqs[] = {
 	/* INT_STS */
 	[RK808_IRQ_VOUT_LO] = {
@@ -247,6 +314,17 @@ static bool rk808_is_volatile_reg(struct device *dev, unsigned int reg)
 	},
 };
 
+static struct regmap_irq_chip rk805_irq_chip = {
+	.name = "rk805",
+	.irqs = rk805_irqs,
+	.num_irqs = ARRAY_SIZE(rk805_irqs),
+	.num_regs = 1,
+	.status_base = RK805_INT_STS_REG,
+	.mask_base = RK805_INT_STS_MSK_REG,
+	.ack_base = RK805_INT_STS_REG,
+	.init_ack_masked = true,
+};
+
 static const struct regmap_irq_chip rk808_irq_chip = {
 	.name = "rk808",
 	.irqs = rk808_irqs,
@@ -272,6 +350,25 @@ static bool rk808_is_volatile_reg(struct device *dev, unsigned int reg)
 };
 
 static struct i2c_client *rk808_i2c_client;
+
+static void rk805_device_shutdown(void)
+{
+	int ret;
+	struct rk808 *rk808 = i2c_get_clientdata(rk808_i2c_client);
+
+	if (!rk808) {
+		dev_warn(&rk808_i2c_client->dev,
+			 "have no rk805, so do nothing here\n");
+		return;
+	}
+
+	ret = regmap_update_bits(rk808->regmap,
+				 RK805_DEV_CTRL_REG,
+				 DEV_OFF, DEV_OFF);
+	if (ret)
+		dev_err(&rk808_i2c_client->dev, "power off error!\n");
+}
+
 static void rk808_device_shutdown(void)
 {
 	int ret;
@@ -309,6 +406,7 @@ static void rk818_device_shutdown(void)
 }
 
 static const struct of_device_id rk808_of_match[] = {
+	{ .compatible = "rockchip,rk805" },
 	{ .compatible = "rockchip,rk808" },
 	{ .compatible = "rockchip,rk818" },
 	{ },
@@ -352,6 +450,15 @@ static int rk808_probe(struct i2c_client *client,
 	dev_info(&client->dev, "chip id: 0x%x\n", (unsigned int)rk808->variant);
 
 	switch (rk808->variant) {
+	case RK805_ID:
+		rk808->regmap_cfg = &rk805_regmap_config;
+		rk808->regmap_irq_chip = &rk805_irq_chip;
+		pre_init_reg = rk805_pre_init_reg;
+		nr_pre_init_regs = ARRAY_SIZE(rk805_pre_init_reg);
+		cells = rk805s;
+		nr_cells = ARRAY_SIZE(rk805s);
+		pm_pwroff_fn = rk805_device_shutdown;
+		break;
 	case RK808_ID:
 		rk808->regmap_cfg = &rk808_regmap_config;
 		rk808->regmap_irq_chip = &rk808_irq_chip;
@@ -444,6 +551,7 @@ static int rk808_remove(struct i2c_client *client)
 }
 
 static const struct i2c_device_id rk808_ids[] = {
+	{ "rk805" },
 	{ "rk808" },
 	{ "rk818" },
 	{ },
-- 
1.9.1

[rtc-linux] [RESEND v9 04/12] mfd: rk808: Add RK805 support

[Joseph Chen]

From: Elaine Zhang <zhangqing@rock-chips.com>

The RK805 chip is a Power Management IC (PMIC) for multimedia and handheld
devices. It contains the following components:

    - Regulators
    - RTC
    - Clocking

Both RK808 and RK805 chips are using a similar register map,
so we can reuse the RTC and Clocking functionality.

Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
Signed-off-by: Joseph Chen <chenjh@rock-chips.com>
Acked-for-MFD-by: Lee Jones <lee.jones@linaro.org>
---
 drivers/mfd/Kconfig |   4 +-
 drivers/mfd/rk808.c | 108 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 110 insertions(+), 2 deletions(-)

diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index 55ecdfb..b410a34 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -892,13 +892,13 @@ config MFD_RC5T583
 	  different functionality of the device.
 
 config MFD_RK808
-	tristate "Rockchip RK808/RK818 Power Management Chip"
+	tristate "Rockchip RK805/RK808/RK818 Power Management Chip"
 	depends on I2C && OF
 	select MFD_CORE
 	select REGMAP_I2C
 	select REGMAP_IRQ
 	help
-	  If you say yes here you get support for the RK808 and RK818
+	  If you say yes here you get support for the RK805, RK808 and RK818
 	  Power Management chips.
 	  This driver provides common support for accessing the device
 	  through I2C interface. The device supports multiple sub-devices
diff --git a/drivers/mfd/rk808.c b/drivers/mfd/rk808.c
index 8e60eba..18329c8 100644
--- a/drivers/mfd/rk808.c
+++ b/drivers/mfd/rk808.c
@@ -70,6 +70,14 @@ static bool rk808_is_volatile_reg(struct device *dev, unsigned int reg)
 	.volatile_reg = rk808_is_volatile_reg,
 };
 
+static const struct regmap_config rk805_regmap_config = {
+	.reg_bits = 8,
+	.val_bits = 8,
+	.max_register = RK805_OFF_SOURCE_REG,
+	.cache_type = REGCACHE_RBTREE,
+	.volatile_reg = rk808_is_volatile_reg,
+};
+
 static const struct regmap_config rk808_regmap_config = {
 	.reg_bits = 8,
 	.val_bits = 8,
@@ -86,6 +94,16 @@ static bool rk808_is_volatile_reg(struct device *dev, unsigned int reg)
 	}
 };
 
+static const struct mfd_cell rk805s[] = {
+	{ .name = "rk808-clkout", },
+	{ .name = "rk808-regulator", },
+	{
+		.name = "rk808-rtc",
+		.num_resources = ARRAY_SIZE(rtc_resources),
+		.resources = &rtc_resources[0],
+	},
+};
+
 static const struct mfd_cell rk808s[] = {
 	{ .name = "rk808-clkout", },
 	{ .name = "rk808-regulator", },
@@ -106,6 +124,20 @@ static bool rk808_is_volatile_reg(struct device *dev, unsigned int reg)
 	},
 };
 
+static const struct rk808_reg_data rk805_pre_init_reg[] = {
+	{RK805_BUCK1_CONFIG_REG, RK805_BUCK1_2_ILMAX_MASK,
+				 RK805_BUCK1_2_ILMAX_4000MA},
+	{RK805_BUCK2_CONFIG_REG, RK805_BUCK1_2_ILMAX_MASK,
+				 RK805_BUCK1_2_ILMAX_4000MA},
+	{RK805_BUCK3_CONFIG_REG, RK805_BUCK3_4_ILMAX_MASK,
+				 RK805_BUCK3_ILMAX_3000MA},
+	{RK805_BUCK4_CONFIG_REG, RK805_BUCK3_4_ILMAX_MASK,
+				 RK805_BUCK4_ILMAX_3500MA},
+	{RK805_BUCK4_CONFIG_REG, BUCK_ILMIN_MASK, BUCK_ILMIN_400MA},
+	{RK805_GPIO_IO_POL_REG, SLP_SD_MSK, SLEEP_FUN},
+	{RK805_THERMAL_REG, TEMP_HOTDIE_MSK, TEMP115C},
+};
+
 static const struct rk808_reg_data rk808_pre_init_reg[] = {
 	{ RK808_BUCK3_CONFIG_REG, BUCK_ILMIN_MASK,  BUCK_ILMIN_150MA },
 	{ RK808_BUCK4_CONFIG_REG, BUCK_ILMIN_MASK,  BUCK_ILMIN_200MA },
@@ -135,6 +167,41 @@ static bool rk808_is_volatile_reg(struct device *dev, unsigned int reg)
 						    VB_LO_SEL_3500MV },
 };
 
+static const struct regmap_irq rk805_irqs[] = {
+	[RK805_IRQ_PWRON_RISE] = {
+		.mask = RK805_IRQ_PWRON_RISE_MSK,
+		.reg_offset = 0,
+	},
+	[RK805_IRQ_VB_LOW] = {
+		.mask = RK805_IRQ_VB_LOW_MSK,
+		.reg_offset = 0,
+	},
+	[RK805_IRQ_PWRON] = {
+		.mask = RK805_IRQ_PWRON_MSK,
+		.reg_offset = 0,
+	},
+	[RK805_IRQ_PWRON_LP] = {
+		.mask = RK805_IRQ_PWRON_LP_MSK,
+		.reg_offset = 0,
+	},
+	[RK805_IRQ_HOTDIE] = {
+		.mask = RK805_IRQ_HOTDIE_MSK,
+		.reg_offset = 0,
+	},
+	[RK805_IRQ_RTC_ALARM] = {
+		.mask = RK805_IRQ_RTC_ALARM_MSK,
+		.reg_offset = 0,
+	},
+	[RK805_IRQ_RTC_PERIOD] = {
+		.mask = RK805_IRQ_RTC_PERIOD_MSK,
+		.reg_offset = 0,
+	},
+	[RK805_IRQ_PWRON_FALL] = {
+		.mask = RK805_IRQ_PWRON_FALL_MSK,
+		.reg_offset = 0,
+	},
+};
+
 static const struct regmap_irq rk808_irqs[] = {
 	/* INT_STS */
 	[RK808_IRQ_VOUT_LO] = {
@@ -247,6 +314,17 @@ static bool rk808_is_volatile_reg(struct device *dev, unsigned int reg)
 	},
 };
 
+static struct regmap_irq_chip rk805_irq_chip = {
+	.name = "rk805",
+	.irqs = rk805_irqs,
+	.num_irqs = ARRAY_SIZE(rk805_irqs),
+	.num_regs = 1,
+	.status_base = RK805_INT_STS_REG,
+	.mask_base = RK805_INT_STS_MSK_REG,
+	.ack_base = RK805_INT_STS_REG,
+	.init_ack_masked = true,
+};
+
 static const struct regmap_irq_chip rk808_irq_chip = {
 	.name = "rk808",
 	.irqs = rk808_irqs,
@@ -272,6 +350,25 @@ static bool rk808_is_volatile_reg(struct device *dev, unsigned int reg)
 };
 
 static struct i2c_client *rk808_i2c_client;
+
+static void rk805_device_shutdown(void)
+{
+	int ret;
+	struct rk808 *rk808 = i2c_get_clientdata(rk808_i2c_client);
+
+	if (!rk808) {
+		dev_warn(&rk808_i2c_client->dev,
+			 "have no rk805, so do nothing here\n");
+		return;
+	}
+
+	ret = regmap_update_bits(rk808->regmap,
+				 RK805_DEV_CTRL_REG,
+				 DEV_OFF, DEV_OFF);
+	if (ret)
+		dev_err(&rk808_i2c_client->dev, "power off error!\n");
+}
+
 static void rk808_device_shutdown(void)
 {
 	int ret;
@@ -309,6 +406,7 @@ static void rk818_device_shutdown(void)
 }
 
 static const struct of_device_id rk808_of_match[] = {
+	{ .compatible = "rockchip,rk805" },
 	{ .compatible = "rockchip,rk808" },
 	{ .compatible = "rockchip,rk818" },
 	{ },
@@ -352,6 +450,15 @@ static int rk808_probe(struct i2c_client *client,
 	dev_info(&client->dev, "chip id: 0x%x\n", (unsigned int)rk808->variant);
 
 	switch (rk808->variant) {
+	case RK805_ID:
+		rk808->regmap_cfg = &rk805_regmap_config;
+		rk808->regmap_irq_chip = &rk805_irq_chip;
+		pre_init_reg = rk805_pre_init_reg;
+		nr_pre_init_regs = ARRAY_SIZE(rk805_pre_init_reg);
+		cells = rk805s;
+		nr_cells = ARRAY_SIZE(rk805s);
+		pm_pwroff_fn = rk805_device_shutdown;
+		break;
 	case RK808_ID:
 		rk808->regmap_cfg = &rk808_regmap_config;
 		rk808->regmap_irq_chip = &rk808_irq_chip;
@@ -444,6 +551,7 @@ static int rk808_remove(struct i2c_client *client)
 }
 
 static const struct i2c_device_id rk808_ids[] = {
+	{ "rk805" },
 	{ "rk808" },
 	{ "rk818" },
 	{ },
-- 
1.9.1


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[RESEND v9 05/12] clk: Kconfig: Name RK805 in Kconfig for COMMON_CLK_RK808

[Joseph Chen]

From: Elaine Zhang <zhangqing@rock-chips.com>

The RK808 and RK805 PMICs are using a similar register map.
We can reuse the clk driver for the RK805 PMIC. So let's add
the RK805 in the Kconfig description.

Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
Signed-off-by: Joseph Chen <chenjh@rock-chips.com>
---
 drivers/clk/Kconfig | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/clk/Kconfig b/drivers/clk/Kconfig
index 9356ab4..7ca8f02 100644
--- a/drivers/clk/Kconfig
+++ b/drivers/clk/Kconfig
@@ -39,10 +39,10 @@ config COMMON_CLK_MAX77686
 	  clock.
 
 config COMMON_CLK_RK808
-	tristate "Clock driver for RK808/RK818"
+	tristate "Clock driver for RK805/RK808/RK818"
 	depends on MFD_RK808
 	---help---
-	  This driver supports RK808 and RK818 crystal oscillator clock. These
+	  This driver supports RK805, RK808 and RK818 crystal oscillator clock. These
 	  multi-function devices have two fixed-rate oscillators,
 	  clocked at 32KHz each. Clkout1 is always on, Clkout2 can off
 	  by control register.
-- 
1.9.1

[rtc-linux] [RESEND v9 05/12] clk: Kconfig: Name RK805 in Kconfig for COMMON_CLK_RK808

[Joseph Chen]

From: Elaine Zhang <zhangqing@rock-chips.com>

The RK808 and RK805 PMICs are using a similar register map.
We can reuse the clk driver for the RK805 PMIC. So let's add
the RK805 in the Kconfig description.

Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
Signed-off-by: Joseph Chen <chenjh@rock-chips.com>
---
 drivers/clk/Kconfig | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/clk/Kconfig b/drivers/clk/Kconfig
index 9356ab4..7ca8f02 100644
--- a/drivers/clk/Kconfig
+++ b/drivers/clk/Kconfig
@@ -39,10 +39,10 @@ config COMMON_CLK_MAX77686
 	  clock.
 
 config COMMON_CLK_RK808
-	tristate "Clock driver for RK808/RK818"
+	tristate "Clock driver for RK805/RK808/RK818"
 	depends on MFD_RK808
 	---help---
-	  This driver supports RK808 and RK818 crystal oscillator clock. These
+	  This driver supports RK805, RK808 and RK818 crystal oscillator clock. These
 	  multi-function devices have two fixed-rate oscillators,
 	  clocked at 32KHz each. Clkout1 is always on, Clkout2 can off
 	  by control register.
-- 
1.9.1


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Re: [RESEND v9 05/12] clk: Kconfig: Name RK805 in Kconfig for COMMON_CLK_RK808

[Stephen Boyd]

On 08/16, Joseph Chen wrote:
> From: Elaine Zhang <zhangqing-TNX95d0MmH7DzftRWevZcw@public.gmane.org>
> 
> The RK808 and RK805 PMICs are using a similar register map.
> We can reuse the clk driver for the RK805 PMIC. So let's add
> the RK805 in the Kconfig description.
> 
> Signed-off-by: Elaine Zhang <zhangqing-TNX95d0MmH7DzftRWevZcw@public.gmane.org>
> Signed-off-by: Joseph Chen <chenjh-TNX95d0MmH7DzftRWevZcw@public.gmane.org>
> ---

Applied to clk-next

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[rtc-linux] Re: [RESEND v9 05/12] clk: Kconfig: Name RK805 in Kconfig for COMMON_CLK_RK808

[Stephen Boyd]

On 08/16, Joseph Chen wrote:
> From: Elaine Zhang <zhangqing@rock-chips.com>
> 
> The RK808 and RK805 PMICs are using a similar register map.
> We can reuse the clk driver for the RK805 PMIC. So let's add
> the RK805 in the Kconfig description.
> 
> Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
> Signed-off-by: Joseph Chen <chenjh@rock-chips.com>
> ---

Applied to clk-next

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Re: [RESEND v9 05/12] clk: Kconfig: Name RK805 in Kconfig for COMMON_CLK_RK808

[Stephen Boyd]

On 08/16, Joseph Chen wrote:
> From: Elaine Zhang <zhangqing@rock-chips.com>
> 
> The RK808 and RK805 PMICs are using a similar register map.
> We can reuse the clk driver for the RK805 PMIC. So let's add
> the RK805 in the Kconfig description.
> 
> Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
> Signed-off-by: Joseph Chen <chenjh@rock-chips.com>
> ---

Applied to clk-next

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a Linux Foundation Collaborative Project

[RESEND v9 02/12] mfd: rk808: add rk805 regs addr and ID

[Joseph Chen]

From: Elaine Zhang <zhangqing-TNX95d0MmH7DzftRWevZcw@public.gmane.org>

Signed-off-by: Elaine Zhang <zhangqing-TNX95d0MmH7DzftRWevZcw@public.gmane.org>
Signed-off-by: Joseph Chen <chenjh-TNX95d0MmH7DzftRWevZcw@public.gmane.org>
Acked-for-MFD-by: Lee Jones <lee.jones-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
---
 include/linux/mfd/rk808.h | 120 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 120 insertions(+)

diff --git a/include/linux/mfd/rk808.h b/include/linux/mfd/rk808.h
index 54feb14..d315659 100644
--- a/include/linux/mfd/rk808.h
+++ b/include/linux/mfd/rk808.h
@@ -206,6 +206,97 @@ enum rk818_reg {
 #define RK818_USB_ILMIN_2000MA		0x7
 #define RK818_USB_CHG_SD_VSEL_MASK	0x70
 
+/* RK805 */
+enum rk805_reg {
+	RK805_ID_DCDC1,
+	RK805_ID_DCDC2,
+	RK805_ID_DCDC3,
+	RK805_ID_DCDC4,
+	RK805_ID_LDO1,
+	RK805_ID_LDO2,
+	RK805_ID_LDO3,
+};
+
+/* CONFIG REGISTER */
+#define RK805_VB_MON_REG		0x21
+#define RK805_THERMAL_REG		0x22
+
+/* POWER CHANNELS ENABLE REGISTER */
+#define RK805_DCDC_EN_REG		0x23
+#define RK805_SLP_DCDC_EN_REG		0x25
+#define RK805_SLP_LDO_EN_REG		0x26
+#define RK805_LDO_EN_REG		0x27
+
+/* BUCK AND LDO CONFIG REGISTER */
+#define RK805_BUCK_LDO_SLP_LP_EN_REG	0x2A
+#define RK805_BUCK1_CONFIG_REG		0x2E
+#define RK805_BUCK1_ON_VSEL_REG		0x2F
+#define RK805_BUCK1_SLP_VSEL_REG	0x30
+#define RK805_BUCK2_CONFIG_REG		0x32
+#define RK805_BUCK2_ON_VSEL_REG		0x33
+#define RK805_BUCK2_SLP_VSEL_REG	0x34
+#define RK805_BUCK3_CONFIG_REG		0x36
+#define RK805_BUCK4_CONFIG_REG		0x37
+#define RK805_BUCK4_ON_VSEL_REG		0x38
+#define RK805_BUCK4_SLP_VSEL_REG	0x39
+#define RK805_LDO1_ON_VSEL_REG		0x3B
+#define RK805_LDO1_SLP_VSEL_REG		0x3C
+#define RK805_LDO2_ON_VSEL_REG		0x3D
+#define RK805_LDO2_SLP_VSEL_REG		0x3E
+#define RK805_LDO3_ON_VSEL_REG		0x3F
+#define RK805_LDO3_SLP_VSEL_REG		0x40
+
+/* INTERRUPT REGISTER */
+#define RK805_PWRON_LP_INT_TIME_REG	0x47
+#define RK805_PWRON_DB_REG		0x48
+#define RK805_DEV_CTRL_REG		0x4B
+#define RK805_INT_STS_REG		0x4C
+#define RK805_INT_STS_MSK_REG		0x4D
+#define RK805_GPIO_IO_POL_REG		0x50
+#define RK805_OUT_REG			0x52
+#define RK805_ON_SOURCE_REG		0xAE
+#define RK805_OFF_SOURCE_REG		0xAF
+
+#define RK805_NUM_REGULATORS		7
+
+#define RK805_PWRON_FALL_RISE_INT_EN	0x0
+#define RK805_PWRON_FALL_RISE_INT_MSK	0x81
+
+/* RK805 IRQ Definitions */
+#define RK805_IRQ_PWRON_RISE		0
+#define RK805_IRQ_VB_LOW		1
+#define RK805_IRQ_PWRON			2
+#define RK805_IRQ_PWRON_LP		3
+#define RK805_IRQ_HOTDIE		4
+#define RK805_IRQ_RTC_ALARM		5
+#define RK805_IRQ_RTC_PERIOD		6
+#define RK805_IRQ_PWRON_FALL		7
+
+#define RK805_IRQ_PWRON_RISE_MSK	BIT(0)
+#define RK805_IRQ_VB_LOW_MSK		BIT(1)
+#define RK805_IRQ_PWRON_MSK		BIT(2)
+#define RK805_IRQ_PWRON_LP_MSK		BIT(3)
+#define RK805_IRQ_HOTDIE_MSK		BIT(4)
+#define RK805_IRQ_RTC_ALARM_MSK		BIT(5)
+#define RK805_IRQ_RTC_PERIOD_MSK	BIT(6)
+#define RK805_IRQ_PWRON_FALL_MSK	BIT(7)
+
+#define RK805_PWR_RISE_INT_STATUS	BIT(0)
+#define RK805_VB_LOW_INT_STATUS		BIT(1)
+#define RK805_PWRON_INT_STATUS		BIT(2)
+#define RK805_PWRON_LP_INT_STATUS	BIT(3)
+#define RK805_HOTDIE_INT_STATUS		BIT(4)
+#define RK805_ALARM_INT_STATUS		BIT(5)
+#define RK805_PERIOD_INT_STATUS		BIT(6)
+#define RK805_PWR_FALL_INT_STATUS	BIT(7)
+
+#define RK805_BUCK1_2_ILMAX_MASK	(3 << 6)
+#define RK805_BUCK3_4_ILMAX_MASK        (3 << 3)
+#define RK805_RTC_PERIOD_INT_MASK	(1 << 6)
+#define RK805_RTC_ALARM_INT_MASK	(1 << 5)
+#define RK805_INT_ALARM_EN		(1 << 3)
+#define RK805_INT_TIMER_EN		(1 << 2)
+
 /* RK808 IRQ Definitions */
 #define RK808_IRQ_VOUT_LO	0
 #define RK808_IRQ_VB_LO		1
@@ -298,7 +389,14 @@ enum rk818_reg {
 #define VOUT_LO_INT	BIT(0)
 #define CLK32KOUT2_EN	BIT(0)
 
+#define TEMP115C			0x0c
+#define TEMP_HOTDIE_MSK			0x0c
+#define SLP_SD_MSK			(0x3 << 2)
+#define SHUTDOWN_FUN			(0x2 << 2)
+#define SLEEP_FUN			(0x1 << 2)
 #define RK8XX_ID_MSK			0xfff0
+#define FPWM_MODE			BIT(7)
+
 enum {
 	BUCK_ILMIN_50MA,
 	BUCK_ILMIN_100MA,
@@ -322,6 +420,28 @@ enum {
 };
 
 enum {
+	RK805_BUCK1_2_ILMAX_2500MA,
+	RK805_BUCK1_2_ILMAX_3000MA,
+	RK805_BUCK1_2_ILMAX_3500MA,
+	RK805_BUCK1_2_ILMAX_4000MA,
+};
+
+enum {
+	RK805_BUCK3_ILMAX_1500MA,
+	RK805_BUCK3_ILMAX_2000MA,
+	RK805_BUCK3_ILMAX_2500MA,
+	RK805_BUCK3_ILMAX_3000MA,
+};
+
+enum {
+	RK805_BUCK4_ILMAX_2000MA,
+	RK805_BUCK4_ILMAX_2500MA,
+	RK805_BUCK4_ILMAX_3000MA,
+	RK805_BUCK4_ILMAX_3500MA,
+};
+
+enum {
+	RK805_ID = 0x8050,
 	RK808_ID = 0x0000,
 	RK818_ID = 0x8181,
 };
-- 
1.9.1


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[rtc-linux] [RESEND v9 02/12] mfd: rk808: add rk805 regs addr and ID

[Joseph Chen]

From: Elaine Zhang <zhangqing@rock-chips.com>

Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
Signed-off-by: Joseph Chen <chenjh@rock-chips.com>
Acked-for-MFD-by: Lee Jones <lee.jones@linaro.org>
---
 include/linux/mfd/rk808.h | 120 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 120 insertions(+)

diff --git a/include/linux/mfd/rk808.h b/include/linux/mfd/rk808.h
index 54feb14..d315659 100644
--- a/include/linux/mfd/rk808.h
+++ b/include/linux/mfd/rk808.h
@@ -206,6 +206,97 @@ enum rk818_reg {
 #define RK818_USB_ILMIN_2000MA		0x7
 #define RK818_USB_CHG_SD_VSEL_MASK	0x70
 
+/* RK805 */
+enum rk805_reg {
+	RK805_ID_DCDC1,
+	RK805_ID_DCDC2,
+	RK805_ID_DCDC3,
+	RK805_ID_DCDC4,
+	RK805_ID_LDO1,
+	RK805_ID_LDO2,
+	RK805_ID_LDO3,
+};
+
+/* CONFIG REGISTER */
+#define RK805_VB_MON_REG		0x21
+#define RK805_THERMAL_REG		0x22
+
+/* POWER CHANNELS ENABLE REGISTER */
+#define RK805_DCDC_EN_REG		0x23
+#define RK805_SLP_DCDC_EN_REG		0x25
+#define RK805_SLP_LDO_EN_REG		0x26
+#define RK805_LDO_EN_REG		0x27
+
+/* BUCK AND LDO CONFIG REGISTER */
+#define RK805_BUCK_LDO_SLP_LP_EN_REG	0x2A
+#define RK805_BUCK1_CONFIG_REG		0x2E
+#define RK805_BUCK1_ON_VSEL_REG		0x2F
+#define RK805_BUCK1_SLP_VSEL_REG	0x30
+#define RK805_BUCK2_CONFIG_REG		0x32
+#define RK805_BUCK2_ON_VSEL_REG		0x33
+#define RK805_BUCK2_SLP_VSEL_REG	0x34
+#define RK805_BUCK3_CONFIG_REG		0x36
+#define RK805_BUCK4_CONFIG_REG		0x37
+#define RK805_BUCK4_ON_VSEL_REG		0x38
+#define RK805_BUCK4_SLP_VSEL_REG	0x39
+#define RK805_LDO1_ON_VSEL_REG		0x3B
+#define RK805_LDO1_SLP_VSEL_REG		0x3C
+#define RK805_LDO2_ON_VSEL_REG		0x3D
+#define RK805_LDO2_SLP_VSEL_REG		0x3E
+#define RK805_LDO3_ON_VSEL_REG		0x3F
+#define RK805_LDO3_SLP_VSEL_REG		0x40
+
+/* INTERRUPT REGISTER */
+#define RK805_PWRON_LP_INT_TIME_REG	0x47
+#define RK805_PWRON_DB_REG		0x48
+#define RK805_DEV_CTRL_REG		0x4B
+#define RK805_INT_STS_REG		0x4C
+#define RK805_INT_STS_MSK_REG		0x4D
+#define RK805_GPIO_IO_POL_REG		0x50
+#define RK805_OUT_REG			0x52
+#define RK805_ON_SOURCE_REG		0xAE
+#define RK805_OFF_SOURCE_REG		0xAF
+
+#define RK805_NUM_REGULATORS		7
+
+#define RK805_PWRON_FALL_RISE_INT_EN	0x0
+#define RK805_PWRON_FALL_RISE_INT_MSK	0x81
+
+/* RK805 IRQ Definitions */
+#define RK805_IRQ_PWRON_RISE		0
+#define RK805_IRQ_VB_LOW		1
+#define RK805_IRQ_PWRON			2
+#define RK805_IRQ_PWRON_LP		3
+#define RK805_IRQ_HOTDIE		4
+#define RK805_IRQ_RTC_ALARM		5
+#define RK805_IRQ_RTC_PERIOD		6
+#define RK805_IRQ_PWRON_FALL		7
+
+#define RK805_IRQ_PWRON_RISE_MSK	BIT(0)
+#define RK805_IRQ_VB_LOW_MSK		BIT(1)
+#define RK805_IRQ_PWRON_MSK		BIT(2)
+#define RK805_IRQ_PWRON_LP_MSK		BIT(3)
+#define RK805_IRQ_HOTDIE_MSK		BIT(4)
+#define RK805_IRQ_RTC_ALARM_MSK		BIT(5)
+#define RK805_IRQ_RTC_PERIOD_MSK	BIT(6)
+#define RK805_IRQ_PWRON_FALL_MSK	BIT(7)
+
+#define RK805_PWR_RISE_INT_STATUS	BIT(0)
+#define RK805_VB_LOW_INT_STATUS		BIT(1)
+#define RK805_PWRON_INT_STATUS		BIT(2)
+#define RK805_PWRON_LP_INT_STATUS	BIT(3)
+#define RK805_HOTDIE_INT_STATUS		BIT(4)
+#define RK805_ALARM_INT_STATUS		BIT(5)
+#define RK805_PERIOD_INT_STATUS		BIT(6)
+#define RK805_PWR_FALL_INT_STATUS	BIT(7)
+
+#define RK805_BUCK1_2_ILMAX_MASK	(3 << 6)
+#define RK805_BUCK3_4_ILMAX_MASK        (3 << 3)
+#define RK805_RTC_PERIOD_INT_MASK	(1 << 6)
+#define RK805_RTC_ALARM_INT_MASK	(1 << 5)
+#define RK805_INT_ALARM_EN		(1 << 3)
+#define RK805_INT_TIMER_EN		(1 << 2)
+
 /* RK808 IRQ Definitions */
 #define RK808_IRQ_VOUT_LO	0
 #define RK808_IRQ_VB_LO		1
@@ -298,7 +389,14 @@ enum rk818_reg {
 #define VOUT_LO_INT	BIT(0)
 #define CLK32KOUT2_EN	BIT(0)
 
+#define TEMP115C			0x0c
+#define TEMP_HOTDIE_MSK			0x0c
+#define SLP_SD_MSK			(0x3 << 2)
+#define SHUTDOWN_FUN			(0x2 << 2)
+#define SLEEP_FUN			(0x1 << 2)
 #define RK8XX_ID_MSK			0xfff0
+#define FPWM_MODE			BIT(7)
+
 enum {
 	BUCK_ILMIN_50MA,
 	BUCK_ILMIN_100MA,
@@ -322,6 +420,28 @@ enum {
 };
 
 enum {
+	RK805_BUCK1_2_ILMAX_2500MA,
+	RK805_BUCK1_2_ILMAX_3000MA,
+	RK805_BUCK1_2_ILMAX_3500MA,
+	RK805_BUCK1_2_ILMAX_4000MA,
+};
+
+enum {
+	RK805_BUCK3_ILMAX_1500MA,
+	RK805_BUCK3_ILMAX_2000MA,
+	RK805_BUCK3_ILMAX_2500MA,
+	RK805_BUCK3_ILMAX_3000MA,
+};
+
+enum {
+	RK805_BUCK4_ILMAX_2000MA,
+	RK805_BUCK4_ILMAX_2500MA,
+	RK805_BUCK4_ILMAX_3000MA,
+	RK805_BUCK4_ILMAX_3500MA,
+};
+
+enum {
+	RK805_ID = 0x8050,
 	RK808_ID = 0x0000,
 	RK818_ID = 0x8181,
 };
-- 
1.9.1


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[RESEND v9 02/12] mfd: rk808: add rk805 regs addr and ID

[Joseph Chen]

From: Elaine Zhang <zhangqing@rock-chips.com>

Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
Signed-off-by: Joseph Chen <chenjh@rock-chips.com>
Acked-for-MFD-by: Lee Jones <lee.jones@linaro.org>
---
 include/linux/mfd/rk808.h | 120 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 120 insertions(+)

diff --git a/include/linux/mfd/rk808.h b/include/linux/mfd/rk808.h
index 54feb14..d315659 100644
--- a/include/linux/mfd/rk808.h
+++ b/include/linux/mfd/rk808.h
@@ -206,6 +206,97 @@ enum rk818_reg {
 #define RK818_USB_ILMIN_2000MA		0x7
 #define RK818_USB_CHG_SD_VSEL_MASK	0x70
 
+/* RK805 */
+enum rk805_reg {
+	RK805_ID_DCDC1,
+	RK805_ID_DCDC2,
+	RK805_ID_DCDC3,
+	RK805_ID_DCDC4,
+	RK805_ID_LDO1,
+	RK805_ID_LDO2,
+	RK805_ID_LDO3,
+};
+
+/* CONFIG REGISTER */
+#define RK805_VB_MON_REG		0x21
+#define RK805_THERMAL_REG		0x22
+
+/* POWER CHANNELS ENABLE REGISTER */
+#define RK805_DCDC_EN_REG		0x23
+#define RK805_SLP_DCDC_EN_REG		0x25
+#define RK805_SLP_LDO_EN_REG		0x26
+#define RK805_LDO_EN_REG		0x27
+
+/* BUCK AND LDO CONFIG REGISTER */
+#define RK805_BUCK_LDO_SLP_LP_EN_REG	0x2A
+#define RK805_BUCK1_CONFIG_REG		0x2E
+#define RK805_BUCK1_ON_VSEL_REG		0x2F
+#define RK805_BUCK1_SLP_VSEL_REG	0x30
+#define RK805_BUCK2_CONFIG_REG		0x32
+#define RK805_BUCK2_ON_VSEL_REG		0x33
+#define RK805_BUCK2_SLP_VSEL_REG	0x34
+#define RK805_BUCK3_CONFIG_REG		0x36
+#define RK805_BUCK4_CONFIG_REG		0x37
+#define RK805_BUCK4_ON_VSEL_REG		0x38
+#define RK805_BUCK4_SLP_VSEL_REG	0x39
+#define RK805_LDO1_ON_VSEL_REG		0x3B
+#define RK805_LDO1_SLP_VSEL_REG		0x3C
+#define RK805_LDO2_ON_VSEL_REG		0x3D
+#define RK805_LDO2_SLP_VSEL_REG		0x3E
+#define RK805_LDO3_ON_VSEL_REG		0x3F
+#define RK805_LDO3_SLP_VSEL_REG		0x40
+
+/* INTERRUPT REGISTER */
+#define RK805_PWRON_LP_INT_TIME_REG	0x47
+#define RK805_PWRON_DB_REG		0x48
+#define RK805_DEV_CTRL_REG		0x4B
+#define RK805_INT_STS_REG		0x4C
+#define RK805_INT_STS_MSK_REG		0x4D
+#define RK805_GPIO_IO_POL_REG		0x50
+#define RK805_OUT_REG			0x52
+#define RK805_ON_SOURCE_REG		0xAE
+#define RK805_OFF_SOURCE_REG		0xAF
+
+#define RK805_NUM_REGULATORS		7
+
+#define RK805_PWRON_FALL_RISE_INT_EN	0x0
+#define RK805_PWRON_FALL_RISE_INT_MSK	0x81
+
+/* RK805 IRQ Definitions */
+#define RK805_IRQ_PWRON_RISE		0
+#define RK805_IRQ_VB_LOW		1
+#define RK805_IRQ_PWRON			2
+#define RK805_IRQ_PWRON_LP		3
+#define RK805_IRQ_HOTDIE		4
+#define RK805_IRQ_RTC_ALARM		5
+#define RK805_IRQ_RTC_PERIOD		6
+#define RK805_IRQ_PWRON_FALL		7
+
+#define RK805_IRQ_PWRON_RISE_MSK	BIT(0)
+#define RK805_IRQ_VB_LOW_MSK		BIT(1)
+#define RK805_IRQ_PWRON_MSK		BIT(2)
+#define RK805_IRQ_PWRON_LP_MSK		BIT(3)
+#define RK805_IRQ_HOTDIE_MSK		BIT(4)
+#define RK805_IRQ_RTC_ALARM_MSK		BIT(5)
+#define RK805_IRQ_RTC_PERIOD_MSK	BIT(6)
+#define RK805_IRQ_PWRON_FALL_MSK	BIT(7)
+
+#define RK805_PWR_RISE_INT_STATUS	BIT(0)
+#define RK805_VB_LOW_INT_STATUS		BIT(1)
+#define RK805_PWRON_INT_STATUS		BIT(2)
+#define RK805_PWRON_LP_INT_STATUS	BIT(3)
+#define RK805_HOTDIE_INT_STATUS		BIT(4)
+#define RK805_ALARM_INT_STATUS		BIT(5)
+#define RK805_PERIOD_INT_STATUS		BIT(6)
+#define RK805_PWR_FALL_INT_STATUS	BIT(7)
+
+#define RK805_BUCK1_2_ILMAX_MASK	(3 << 6)
+#define RK805_BUCK3_4_ILMAX_MASK        (3 << 3)
+#define RK805_RTC_PERIOD_INT_MASK	(1 << 6)
+#define RK805_RTC_ALARM_INT_MASK	(1 << 5)
+#define RK805_INT_ALARM_EN		(1 << 3)
+#define RK805_INT_TIMER_EN		(1 << 2)
+
 /* RK808 IRQ Definitions */
 #define RK808_IRQ_VOUT_LO	0
 #define RK808_IRQ_VB_LO		1
@@ -298,7 +389,14 @@ enum rk818_reg {
 #define VOUT_LO_INT	BIT(0)
 #define CLK32KOUT2_EN	BIT(0)
 
+#define TEMP115C			0x0c
+#define TEMP_HOTDIE_MSK			0x0c
+#define SLP_SD_MSK			(0x3 << 2)
+#define SHUTDOWN_FUN			(0x2 << 2)
+#define SLEEP_FUN			(0x1 << 2)
 #define RK8XX_ID_MSK			0xfff0
+#define FPWM_MODE			BIT(7)
+
 enum {
 	BUCK_ILMIN_50MA,
 	BUCK_ILMIN_100MA,
@@ -322,6 +420,28 @@ enum {
 };
 
 enum {
+	RK805_BUCK1_2_ILMAX_2500MA,
+	RK805_BUCK1_2_ILMAX_3000MA,
+	RK805_BUCK1_2_ILMAX_3500MA,
+	RK805_BUCK1_2_ILMAX_4000MA,
+};
+
+enum {
+	RK805_BUCK3_ILMAX_1500MA,
+	RK805_BUCK3_ILMAX_2000MA,
+	RK805_BUCK3_ILMAX_2500MA,
+	RK805_BUCK3_ILMAX_3000MA,
+};
+
+enum {
+	RK805_BUCK4_ILMAX_2000MA,
+	RK805_BUCK4_ILMAX_2500MA,
+	RK805_BUCK4_ILMAX_3000MA,
+	RK805_BUCK4_ILMAX_3500MA,
+};
+
+enum {
+	RK805_ID = 0x8050,
 	RK808_ID = 0x0000,
 	RK818_ID = 0x8181,
 };
-- 
1.9.1

[RESEND v9 06/12] rtc: Kconfig: Name RK805 in Kconfig for RTC_DRV_RK808

[Joseph Chen]

From: Elaine Zhang <zhangqing-TNX95d0MmH7DzftRWevZcw@public.gmane.org>

The RK808 and RK805 PMICs are using a similar register map.
We can reuse the rtc driver for the RK805 PMIC. So let's add
the RK805 in the Kconfig description.

Signed-off-by: Elaine Zhang <zhangqing-TNX95d0MmH7DzftRWevZcw@public.gmane.org>
Signed-off-by: Joseph Chen <chenjh-TNX95d0MmH7DzftRWevZcw@public.gmane.org>
---
 drivers/rtc/Kconfig | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
index 5dc673d..47d6a8d 100644
--- a/drivers/rtc/Kconfig
+++ b/drivers/rtc/Kconfig
@@ -352,11 +352,11 @@ config RTC_DRV_MAX77686
 	  will be called rtc-max77686.
 
 config RTC_DRV_RK808
-	tristate "Rockchip RK808/RK818 RTC"
+	tristate "Rockchip RK805/RK808/RK818 RTC"
 	depends on MFD_RK808
 	help
 	  If you say yes here you will get support for the
-	  RTC of RK808 and RK818 PMIC.
+	  RTC of RK805, RK808 and RK818 PMIC.
 
 	  This driver can also be built as a module. If so, the module
 	  will be called rk808-rtc.
-- 
1.9.1


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[RESEND v9 06/12] rtc: Kconfig: Name RK805 in Kconfig for RTC_DRV_RK808

[Joseph Chen]

From: Elaine Zhang <zhangqing@rock-chips.com>

The RK808 and RK805 PMICs are using a similar register map.
We can reuse the rtc driver for the RK805 PMIC. So let's add
the RK805 in the Kconfig description.

Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
Signed-off-by: Joseph Chen <chenjh@rock-chips.com>
---
 drivers/rtc/Kconfig | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
index 5dc673d..47d6a8d 100644
--- a/drivers/rtc/Kconfig
+++ b/drivers/rtc/Kconfig
@@ -352,11 +352,11 @@ config RTC_DRV_MAX77686
 	  will be called rtc-max77686.
 
 config RTC_DRV_RK808
-	tristate "Rockchip RK808/RK818 RTC"
+	tristate "Rockchip RK805/RK808/RK818 RTC"
 	depends on MFD_RK808
 	help
 	  If you say yes here you will get support for the
-	  RTC of RK808 and RK818 PMIC.
+	  RTC of RK805, RK808 and RK818 PMIC.
 
 	  This driver can also be built as a module. If so, the module
 	  will be called rk808-rtc.
-- 
1.9.1

Re: [RESEND v9 06/12] rtc: Kconfig: Name RK805 in Kconfig for RTC_DRV_RK808

[Alexandre Belloni]

On 16/08/2017 at 10:00:35 +0800, Joseph Chen wrote:
> From: Elaine Zhang <zhangqing@rock-chips.com>
> 
> The RK808 and RK805 PMICs are using a similar register map.
> We can reuse the rtc driver for the RK805 PMIC. So let's add
> the RK805 in the Kconfig description.
> 
> Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
> Signed-off-by: Joseph Chen <chenjh@rock-chips.com>
> ---
>  drivers/rtc/Kconfig | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
Applied, thanks.

-- 
Alexandre Belloni, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com

[rtc-linux] Re: [RESEND v9 06/12] rtc: Kconfig: Name RK805 in Kconfig for RTC_DRV_RK808

[Alexandre Belloni]

On 16/08/2017 at 10:00:35 +0800, Joseph Chen wrote:
> From: Elaine Zhang <zhangqing@rock-chips.com>
> 
> The RK808 and RK805 PMICs are using a similar register map.
> We can reuse the rtc driver for the RK805 PMIC. So let's add
> the RK805 in the Kconfig description.
> 
> Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
> Signed-off-by: Joseph Chen <chenjh@rock-chips.com>
> ---
>  drivers/rtc/Kconfig | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
Applied, thanks.

-- 
Alexandre Belloni, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com

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[RESEND v9 07/12] mfd: dt-bindings: Add RK805 device tree bindings document

[Joseph Chen]

From: Elaine Zhang <zhangqing@rock-chips.com>

Add device tree bindings documentation for Rockchip's RK805 PMIC.

Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
Signed-off-by: Joseph Chen <chenjh@rock-chips.com>
Acked-by: Rob Herring <robh@kernel.org>
Acked-for-MFD-by: Lee Jones <lee.jones@linaro.org>
---
 Documentation/devicetree/bindings/mfd/rk808.txt | 22 +++++++++++++++++++++-
 1 file changed, 21 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/mfd/rk808.txt b/Documentation/devicetree/bindings/mfd/rk808.txt
index 9636ae8..91b6522 100644
--- a/Documentation/devicetree/bindings/mfd/rk808.txt
+++ b/Documentation/devicetree/bindings/mfd/rk808.txt
@@ -1,11 +1,14 @@
 RK8XX Power Management Integrated Circuit
 
 The rk8xx family current members:
+rk805
 rk808
 rk818
 
 Required properties:
-- compatible: "rockchip,rk808", "rockchip,rk818"
+- compatible: "rockchip,rk805"
+- compatible: "rockchip,rk808"
+- compatible: "rockchip,rk818"
 - reg: I2C slave address
 - interrupt-parent: The parent interrupt controller.
 - interrupts: the interrupt outputs of the controller.
@@ -18,6 +21,14 @@ Optional properties:
 - rockchip,system-power-controller: Telling whether or not this pmic is controlling
   the system power.
 
+Optional RK805 properties:
+- vcc1-supply:  The input supply for DCDC_REG1
+- vcc2-supply:  The input supply for DCDC_REG2
+- vcc3-supply:  The input supply for DCDC_REG3
+- vcc4-supply:  The input supply for DCDC_REG4
+- vcc5-supply:  The input supply for LDO_REG1 and LDO_REG2
+- vcc6-supply:  The input supply for LDO_REG3
+
 Optional RK808 properties:
 - vcc1-supply:  The input supply for DCDC_REG1
 - vcc2-supply:  The input supply for DCDC_REG2
@@ -56,6 +67,15 @@ by a child node of the 'regulators' node.
 		/* standard regulator bindings here */
 	};
 
+Following regulators of the RK805 PMIC regulators are supported. Note that
+the 'n' in regulator name, as in DCDC_REGn or LDOn, represents the DCDC or LDO
+number as described in RK805 datasheet.
+
+	- DCDC_REGn
+		- valid values for n are 1 to 4.
+	- LDO_REGn
+		- valid values for n are 1 to 3
+
 Following regulators of the RK808 PMIC block are supported. Note that
 the 'n' in regulator name, as in DCDC_REGn or LDOn, represents the DCDC or LDO
 number as described in RK808 datasheet.
-- 
1.9.1

[rtc-linux] [RESEND v9 07/12] mfd: dt-bindings: Add RK805 device tree bindings document

[Joseph Chen]

From: Elaine Zhang <zhangqing@rock-chips.com>

Add device tree bindings documentation for Rockchip's RK805 PMIC.

Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
Signed-off-by: Joseph Chen <chenjh@rock-chips.com>
Acked-by: Rob Herring <robh@kernel.org>
Acked-for-MFD-by: Lee Jones <lee.jones@linaro.org>
---
 Documentation/devicetree/bindings/mfd/rk808.txt | 22 +++++++++++++++++++++-
 1 file changed, 21 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/mfd/rk808.txt b/Documentation/devicetree/bindings/mfd/rk808.txt
index 9636ae8..91b6522 100644
--- a/Documentation/devicetree/bindings/mfd/rk808.txt
+++ b/Documentation/devicetree/bindings/mfd/rk808.txt
@@ -1,11 +1,14 @@
 RK8XX Power Management Integrated Circuit
 
 The rk8xx family current members:
+rk805
 rk808
 rk818
 
 Required properties:
-- compatible: "rockchip,rk808", "rockchip,rk818"
+- compatible: "rockchip,rk805"
+- compatible: "rockchip,rk808"
+- compatible: "rockchip,rk818"
 - reg: I2C slave address
 - interrupt-parent: The parent interrupt controller.
 - interrupts: the interrupt outputs of the controller.
@@ -18,6 +21,14 @@ Optional properties:
 - rockchip,system-power-controller: Telling whether or not this pmic is controlling
   the system power.
 
+Optional RK805 properties:
+- vcc1-supply:  The input supply for DCDC_REG1
+- vcc2-supply:  The input supply for DCDC_REG2
+- vcc3-supply:  The input supply for DCDC_REG3
+- vcc4-supply:  The input supply for DCDC_REG4
+- vcc5-supply:  The input supply for LDO_REG1 and LDO_REG2
+- vcc6-supply:  The input supply for LDO_REG3
+
 Optional RK808 properties:
 - vcc1-supply:  The input supply for DCDC_REG1
 - vcc2-supply:  The input supply for DCDC_REG2
@@ -56,6 +67,15 @@ by a child node of the 'regulators' node.
 		/* standard regulator bindings here */
 	};
 
+Following regulators of the RK805 PMIC regulators are supported. Note that
+the 'n' in regulator name, as in DCDC_REGn or LDOn, represents the DCDC or LDO
+number as described in RK805 datasheet.
+
+	- DCDC_REGn
+		- valid values for n are 1 to 4.
+	- LDO_REGn
+		- valid values for n are 1 to 3
+
 Following regulators of the RK808 PMIC block are supported. Note that
 the 'n' in regulator name, as in DCDC_REGn or LDOn, represents the DCDC or LDO
 number as described in RK808 datasheet.
-- 
1.9.1


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[RESEND v9 08/12] pinctrl: Add pinctrl driver for the RK805 PMIC

[Joseph Chen]

RK805 is one of Rockchip PMICs family, it has 2 output only GPIOs.

This driver is also designed for other Rockchip PMICs to expend.
Different PMIC maybe have different pin features, for example,
RK816 has one pin which can be used for TS or GPIO(input/out).
The mainly difference between PMICs pins are pinmux, direction
and output value, that is 'struct rk805_pin_config'.

Signed-off-by: Joseph Chen <chenjh@rock-chips.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
---
 drivers/pinctrl/Kconfig         |   9 +
 drivers/pinctrl/Makefile        |   1 +
 drivers/pinctrl/pinctrl-rk805.c | 493 ++++++++++++++++++++++++++++++++++++++++
 3 files changed, 503 insertions(+)
 create mode 100644 drivers/pinctrl/pinctrl-rk805.c

diff --git a/drivers/pinctrl/Kconfig b/drivers/pinctrl/Kconfig
index 8f8c2af..c33098f 100644
--- a/drivers/pinctrl/Kconfig
+++ b/drivers/pinctrl/Kconfig
@@ -285,6 +285,15 @@ config PINCTRL_ZYNQ
 	help
 	  This selects the pinctrl driver for Xilinx Zynq.
 
+config PINCTRL_RK805
+	tristate "Pinctrl and GPIO driver for RK805 PMIC"
+	depends on MFD_RK808
+	select GPIOLIB
+	select PINMUX
+	select GENERIC_PINCONF
+	help
+	  This selects the pinctrl driver for RK805.
+
 source "drivers/pinctrl/aspeed/Kconfig"
 source "drivers/pinctrl/bcm/Kconfig"
 source "drivers/pinctrl/berlin/Kconfig"
diff --git a/drivers/pinctrl/Makefile b/drivers/pinctrl/Makefile
index a251f43..7485af3 100644
--- a/drivers/pinctrl/Makefile
+++ b/drivers/pinctrl/Makefile
@@ -38,6 +38,7 @@ obj-$(CONFIG_PINCTRL_LPC18XX)	+= pinctrl-lpc18xx.o
 obj-$(CONFIG_PINCTRL_TB10X)	+= pinctrl-tb10x.o
 obj-$(CONFIG_PINCTRL_ST) 	+= pinctrl-st.o
 obj-$(CONFIG_PINCTRL_ZYNQ)	+= pinctrl-zynq.o
+obj-$(CONFIG_PINCTRL_RK805)	+= pinctrl-rk805.o
 
 obj-$(CONFIG_ARCH_ASPEED)	+= aspeed/
 obj-y				+= bcm/
diff --git a/drivers/pinctrl/pinctrl-rk805.c b/drivers/pinctrl/pinctrl-rk805.c
new file mode 100644
index 0000000..b0bfd30
--- /dev/null
+++ b/drivers/pinctrl/pinctrl-rk805.c
@@ -0,0 +1,493 @@
+/*
+ * Pinctrl driver for Rockchip RK805 PMIC
+ *
+ * Copyright (c) 2017, Fuzhou Rockchip Electronics Co., Ltd
+ *
+ * Author: Joseph Chen <chenjh@rock-chips.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under  the terms of the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * Based on the pinctrl-as3722 driver
+ */
+
+#include <linux/gpio/driver.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/mfd/rk808.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
+#include <linux/platform_device.h>
+#include <linux/pinctrl/consumer.h>
+#include <linux/pinctrl/machine.h>
+#include <linux/pinctrl/pinctrl.h>
+#include <linux/pinctrl/pinconf-generic.h>
+#include <linux/pinctrl/pinconf.h>
+#include <linux/pinctrl/pinmux.h>
+#include <linux/pm.h>
+#include <linux/slab.h>
+
+#include "core.h"
+#include "pinconf.h"
+#include "pinctrl-utils.h"
+
+struct rk805_pin_function {
+	const char *name;
+	const char *const *groups;
+	unsigned int ngroups;
+	int mux_option;
+};
+
+struct rk805_pin_group {
+	const char *name;
+	const unsigned int pins[1];
+	unsigned int npins;
+};
+
+/*
+ * @reg: gpio setting register;
+ * @fun_mask: functions select mask value, when set is gpio;
+ * @dir_mask: input or output mask value, when set is output, otherwise input;
+ * @val_mask: gpio set value, when set is level high, otherwise low;
+ *
+ * Different PMIC has different pin features, belowing 3 mask members are not
+ * all necessary for every PMIC. For example, RK805 has 2 pins that can be used
+ * as output only GPIOs, so func_mask and dir_mask are not needed. RK816 has 1
+ * pin that can be used as TS/GPIO, so fun_mask, dir_mask and val_mask are all
+ * necessary.
+ */
+struct rk805_pin_config {
+	u8 reg;
+	u8 fun_msk;
+	u8 dir_msk;
+	u8 val_msk;
+};
+
+struct rk805_pctrl_info {
+	struct rk808 *rk808;
+	struct device *dev;
+	struct pinctrl_dev *pctl;
+	struct gpio_chip gpio_chip;
+	struct pinctrl_desc pinctrl_desc;
+	const struct rk805_pin_function *functions;
+	unsigned int num_functions;
+	const struct rk805_pin_group *groups;
+	int num_pin_groups;
+	const struct pinctrl_pin_desc *pins;
+	unsigned int num_pins;
+	struct rk805_pin_config *pin_cfg;
+};
+
+enum rk805_pinmux_option {
+	RK805_PINMUX_GPIO,
+};
+
+enum {
+	RK805_GPIO0,
+	RK805_GPIO1,
+};
+
+static const char *const rk805_gpio_groups[] = {
+	"gpio0",
+	"gpio1",
+};
+
+/* RK805: 2 output only GPIOs */
+static const struct pinctrl_pin_desc rk805_pins_desc[] = {
+	PINCTRL_PIN(RK805_GPIO0, "gpio0"),
+	PINCTRL_PIN(RK805_GPIO1, "gpio1"),
+};
+
+static const struct rk805_pin_function rk805_pin_functions[] = {
+	{
+		.name = "gpio",
+		.groups = rk805_gpio_groups,
+		.ngroups = ARRAY_SIZE(rk805_gpio_groups),
+		.mux_option = RK805_PINMUX_GPIO,
+	},
+};
+
+static const struct rk805_pin_group rk805_pin_groups[] = {
+	{
+		.name = "gpio0",
+		.pins = { RK805_GPIO0 },
+		.npins = 1,
+	},
+	{
+		.name = "gpio1",
+		.pins = { RK805_GPIO1 },
+		.npins = 1,
+	},
+};
+
+#define RK805_GPIO0_VAL_MSK	BIT(0)
+#define RK805_GPIO1_VAL_MSK	BIT(1)
+
+static struct rk805_pin_config rk805_gpio_cfgs[] = {
+	{
+		.reg = RK805_OUT_REG,
+		.val_msk = RK805_GPIO0_VAL_MSK,
+	},
+	{
+		.reg = RK805_OUT_REG,
+		.val_msk = RK805_GPIO1_VAL_MSK,
+	},
+};
+
+/* generic gpio chip */
+static int rk805_gpio_get(struct gpio_chip *chip, unsigned int offset)
+{
+	struct rk805_pctrl_info *pci = gpiochip_get_data(chip);
+	int ret, val;
+
+	ret = regmap_read(pci->rk808->regmap, pci->pin_cfg[offset].reg, &val);
+	if (ret) {
+		dev_err(pci->dev, "get gpio%d value failed\n", offset);
+		return ret;
+	}
+
+	return !!(val & pci->pin_cfg[offset].val_msk);
+}
+
+static void rk805_gpio_set(struct gpio_chip *chip,
+			   unsigned int offset,
+			   int value)
+{
+	struct rk805_pctrl_info *pci = gpiochip_get_data(chip);
+	int ret;
+
+	ret = regmap_update_bits(pci->rk808->regmap,
+				 pci->pin_cfg[offset].reg,
+				 pci->pin_cfg[offset].val_msk,
+				 value ? pci->pin_cfg[offset].val_msk : 0);
+	if (ret)
+		dev_err(pci->dev, "set gpio%d value %d failed\n",
+			offset, value);
+}
+
+static int rk805_gpio_direction_input(struct gpio_chip *chip,
+				      unsigned int offset)
+{
+	return pinctrl_gpio_direction_input(chip->base + offset);
+}
+
+static int rk805_gpio_direction_output(struct gpio_chip *chip,
+				       unsigned int offset, int value)
+{
+	rk805_gpio_set(chip, offset, value);
+	return pinctrl_gpio_direction_output(chip->base + offset);
+}
+
+static int rk805_gpio_get_direction(struct gpio_chip *chip, unsigned int offset)
+{
+	struct rk805_pctrl_info *pci = gpiochip_get_data(chip);
+	unsigned int val;
+	int ret;
+
+	/* default output*/
+	if (!pci->pin_cfg[offset].dir_msk)
+		return 0;
+
+	ret = regmap_read(pci->rk808->regmap,
+			  pci->pin_cfg[offset].reg,
+			  &val);
+	if (ret) {
+		dev_err(pci->dev, "get gpio%d direction failed\n", offset);
+		return ret;
+	}
+
+	return !(val & pci->pin_cfg[offset].dir_msk);
+}
+
+static struct gpio_chip rk805_gpio_chip = {
+	.label			= "rk805-gpio",
+	.request		= gpiochip_generic_request,
+	.free			= gpiochip_generic_free,
+	.get_direction		= rk805_gpio_get_direction,
+	.get			= rk805_gpio_get,
+	.set			= rk805_gpio_set,
+	.direction_input	= rk805_gpio_direction_input,
+	.direction_output	= rk805_gpio_direction_output,
+	.can_sleep		= true,
+	.base			= -1,
+	.owner			= THIS_MODULE,
+};
+
+/* generic pinctrl */
+static int rk805_pinctrl_get_groups_count(struct pinctrl_dev *pctldev)
+{
+	struct rk805_pctrl_info *pci = pinctrl_dev_get_drvdata(pctldev);
+
+	return pci->num_pin_groups;
+}
+
+static const char *rk805_pinctrl_get_group_name(struct pinctrl_dev *pctldev,
+						unsigned int group)
+{
+	struct rk805_pctrl_info *pci = pinctrl_dev_get_drvdata(pctldev);
+
+	return pci->groups[group].name;
+}
+
+static int rk805_pinctrl_get_group_pins(struct pinctrl_dev *pctldev,
+					unsigned int group,
+					const unsigned int **pins,
+					unsigned int *num_pins)
+{
+	struct rk805_pctrl_info *pci = pinctrl_dev_get_drvdata(pctldev);
+
+	*pins = pci->groups[group].pins;
+	*num_pins = pci->groups[group].npins;
+
+	return 0;
+}
+
+static const struct pinctrl_ops rk805_pinctrl_ops = {
+	.get_groups_count = rk805_pinctrl_get_groups_count,
+	.get_group_name = rk805_pinctrl_get_group_name,
+	.get_group_pins = rk805_pinctrl_get_group_pins,
+	.dt_node_to_map = pinconf_generic_dt_node_to_map_pin,
+	.dt_free_map = pinctrl_utils_free_map,
+};
+
+static int rk805_pinctrl_get_funcs_count(struct pinctrl_dev *pctldev)
+{
+	struct rk805_pctrl_info *pci = pinctrl_dev_get_drvdata(pctldev);
+
+	return pci->num_functions;
+}
+
+static const char *rk805_pinctrl_get_func_name(struct pinctrl_dev *pctldev,
+					       unsigned int function)
+{
+	struct rk805_pctrl_info *pci = pinctrl_dev_get_drvdata(pctldev);
+
+	return pci->functions[function].name;
+}
+
+static int rk805_pinctrl_get_func_groups(struct pinctrl_dev *pctldev,
+					 unsigned int function,
+					 const char *const **groups,
+					 unsigned int *const num_groups)
+{
+	struct rk805_pctrl_info *pci = pinctrl_dev_get_drvdata(pctldev);
+
+	*groups = pci->functions[function].groups;
+	*num_groups = pci->functions[function].ngroups;
+
+	return 0;
+}
+
+static int _rk805_pinctrl_set_mux(struct pinctrl_dev *pctldev,
+				  unsigned int offset,
+				  int mux)
+{
+	struct rk805_pctrl_info *pci = pinctrl_dev_get_drvdata(pctldev);
+	int ret;
+
+	if (!pci->pin_cfg[offset].fun_msk)
+		return 0;
+
+	if (mux == RK805_PINMUX_GPIO) {
+		ret = regmap_update_bits(pci->rk808->regmap,
+					 pci->pin_cfg[offset].reg,
+					 pci->pin_cfg[offset].fun_msk,
+					 pci->pin_cfg[offset].fun_msk);
+		if (ret) {
+			dev_err(pci->dev, "set gpio%d GPIO failed\n", offset);
+			return ret;
+		}
+	} else {
+		dev_err(pci->dev, "Couldn't find function mux %d\n", mux);
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static int rk805_pinctrl_set_mux(struct pinctrl_dev *pctldev,
+				 unsigned int function,
+				 unsigned int group)
+{
+	struct rk805_pctrl_info *pci = pinctrl_dev_get_drvdata(pctldev);
+	int mux = pci->functions[function].mux_option;
+	int offset = group;
+
+	return _rk805_pinctrl_set_mux(pctldev, offset, mux);
+}
+
+static int rk805_pmx_gpio_set_direction(struct pinctrl_dev *pctldev,
+					struct pinctrl_gpio_range *range,
+					unsigned int offset, bool input)
+{
+	struct rk805_pctrl_info *pci = pinctrl_dev_get_drvdata(pctldev);
+	int ret;
+
+	/* switch to gpio function */
+	ret = _rk805_pinctrl_set_mux(pctldev, offset, RK805_PINMUX_GPIO);
+	if (ret) {
+		dev_err(pci->dev, "set gpio%d mux failed\n", offset);
+		return ret;
+	}
+
+	/* set direction */
+	if (!pci->pin_cfg[offset].dir_msk)
+		return 0;
+
+	ret = regmap_update_bits(pci->rk808->regmap,
+				 pci->pin_cfg[offset].reg,
+				 pci->pin_cfg[offset].dir_msk,
+				 input ? 0 : pci->pin_cfg[offset].dir_msk);
+	if (ret) {
+		dev_err(pci->dev, "set gpio%d direction failed\n", offset);
+		return ret;
+	}
+
+	return ret;
+}
+
+static const struct pinmux_ops rk805_pinmux_ops = {
+	.get_functions_count	= rk805_pinctrl_get_funcs_count,
+	.get_function_name	= rk805_pinctrl_get_func_name,
+	.get_function_groups	= rk805_pinctrl_get_func_groups,
+	.set_mux		= rk805_pinctrl_set_mux,
+	.gpio_set_direction	= rk805_pmx_gpio_set_direction,
+};
+
+static int rk805_pinconf_get(struct pinctrl_dev *pctldev,
+			     unsigned int pin, unsigned long *config)
+{
+	struct rk805_pctrl_info *pci = pinctrl_dev_get_drvdata(pctldev);
+	enum pin_config_param param = pinconf_to_config_param(*config);
+	u32 arg = 0;
+
+	switch (param) {
+	case PIN_CONFIG_OUTPUT:
+		arg = rk805_gpio_get(&pci->gpio_chip, pin);
+		break;
+	default:
+		dev_err(pci->dev, "Properties not supported\n");
+		return -ENOTSUPP;
+	}
+
+	*config = pinconf_to_config_packed(param, (u16)arg);
+
+	return 0;
+}
+
+static int rk805_pinconf_set(struct pinctrl_dev *pctldev,
+			     unsigned int pin, unsigned long *configs,
+			     unsigned int num_configs)
+{
+	struct rk805_pctrl_info *pci = pinctrl_dev_get_drvdata(pctldev);
+	enum pin_config_param param;
+	u32 i, arg = 0;
+
+	for (i = 0; i < num_configs; i++) {
+		param = pinconf_to_config_param(configs[i]);
+		arg = pinconf_to_config_argument(configs[i]);
+
+		switch (param) {
+		case PIN_CONFIG_OUTPUT:
+			rk805_gpio_set(&pci->gpio_chip, pin, arg);
+			rk805_pmx_gpio_set_direction(pctldev, NULL, pin, false);
+			break;
+		default:
+			dev_err(pci->dev, "Properties not supported\n");
+			return -ENOTSUPP;
+		}
+	}
+
+	return 0;
+}
+
+static const struct pinconf_ops rk805_pinconf_ops = {
+	.pin_config_get = rk805_pinconf_get,
+	.pin_config_set = rk805_pinconf_set,
+};
+
+static struct pinctrl_desc rk805_pinctrl_desc = {
+	.name = "rk805-pinctrl",
+	.pctlops = &rk805_pinctrl_ops,
+	.pmxops = &rk805_pinmux_ops,
+	.confops = &rk805_pinconf_ops,
+	.owner = THIS_MODULE,
+};
+
+static int rk805_pinctrl_probe(struct platform_device *pdev)
+{
+	struct rk805_pctrl_info *pci;
+	int ret;
+
+	pci = devm_kzalloc(&pdev->dev, sizeof(*pci), GFP_KERNEL);
+	if (!pci)
+		return -ENOMEM;
+
+	pci->dev = &pdev->dev;
+	pci->dev->of_node = pdev->dev.parent->of_node;
+	pci->rk808 = dev_get_drvdata(pdev->dev.parent);
+
+	pci->pinctrl_desc = rk805_pinctrl_desc;
+	pci->gpio_chip = rk805_gpio_chip;
+	pci->gpio_chip.parent = &pdev->dev;
+	pci->gpio_chip.of_node = pdev->dev.parent->of_node;
+
+	platform_set_drvdata(pdev, pci);
+
+	switch (pci->rk808->variant) {
+	case RK805_ID:
+		pci->pins = rk805_pins_desc;
+		pci->num_pins = ARRAY_SIZE(rk805_pins_desc);
+		pci->functions = rk805_pin_functions;
+		pci->num_functions = ARRAY_SIZE(rk805_pin_functions);
+		pci->groups = rk805_pin_groups;
+		pci->num_pin_groups = ARRAY_SIZE(rk805_pin_groups);
+		pci->pinctrl_desc.pins = rk805_pins_desc;
+		pci->pinctrl_desc.npins = ARRAY_SIZE(rk805_pins_desc);
+		pci->pin_cfg = rk805_gpio_cfgs;
+		pci->gpio_chip.ngpio = ARRAY_SIZE(rk805_gpio_cfgs);
+		break;
+	default:
+		dev_err(&pdev->dev, "unsupported RK805 ID %lu\n",
+			pci->rk808->variant);
+		return -EINVAL;
+	}
+
+	/* Add gpio chip */
+	ret = devm_gpiochip_add_data(&pdev->dev, &pci->gpio_chip, pci);
+	if (ret < 0) {
+		dev_err(&pdev->dev, "Couldn't add gpiochip\n");
+		return ret;
+	}
+
+	/* Add pinctrl */
+	pci->pctl = devm_pinctrl_register(&pdev->dev, &pci->pinctrl_desc, pci);
+	if (IS_ERR(pci->pctl)) {
+		dev_err(&pdev->dev, "Couldn't add pinctrl\n");
+		return PTR_ERR(pci->pctl);
+	}
+
+	/* Add pin range */
+	ret = gpiochip_add_pin_range(&pci->gpio_chip, dev_name(&pdev->dev),
+				     0, 0, pci->gpio_chip.ngpio);
+	if (ret < 0) {
+		dev_err(&pdev->dev, "Couldn't add gpiochip pin range\n");
+		return ret;
+	}
+
+	return 0;
+}
+
+static struct platform_driver rk805_pinctrl_driver = {
+	.probe = rk805_pinctrl_probe,
+	.driver = {
+		.name = "rk805-pinctrl",
+	},
+};
+module_platform_driver(rk805_pinctrl_driver);
+
+MODULE_DESCRIPTION("RK805 pin control and GPIO driver");
+MODULE_AUTHOR("Joseph Chen <chenjh@rock-chips.com>");
+MODULE_LICENSE("GPL v2");
-- 
1.9.1

[rtc-linux] [RESEND v9 08/12] pinctrl: Add pinctrl driver for the RK805 PMIC

[Joseph Chen]

RK805 is one of Rockchip PMICs family, it has 2 output only GPIOs.

This driver is also designed for other Rockchip PMICs to expend.
Different PMIC maybe have different pin features, for example,
RK816 has one pin which can be used for TS or GPIO(input/out).
The mainly difference between PMICs pins are pinmux, direction
and output value, that is 'struct rk805_pin_config'.

Signed-off-by: Joseph Chen <chenjh@rock-chips.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
---
 drivers/pinctrl/Kconfig         |   9 +
 drivers/pinctrl/Makefile        |   1 +
 drivers/pinctrl/pinctrl-rk805.c | 493 ++++++++++++++++++++++++++++++++++++++++
 3 files changed, 503 insertions(+)
 create mode 100644 drivers/pinctrl/pinctrl-rk805.c

diff --git a/drivers/pinctrl/Kconfig b/drivers/pinctrl/Kconfig
index 8f8c2af..c33098f 100644
--- a/drivers/pinctrl/Kconfig
+++ b/drivers/pinctrl/Kconfig
@@ -285,6 +285,15 @@ config PINCTRL_ZYNQ
 	help
 	  This selects the pinctrl driver for Xilinx Zynq.
 
+config PINCTRL_RK805
+	tristate "Pinctrl and GPIO driver for RK805 PMIC"
+	depends on MFD_RK808
+	select GPIOLIB
+	select PINMUX
+	select GENERIC_PINCONF
+	help
+	  This selects the pinctrl driver for RK805.
+
 source "drivers/pinctrl/aspeed/Kconfig"
 source "drivers/pinctrl/bcm/Kconfig"
 source "drivers/pinctrl/berlin/Kconfig"
diff --git a/drivers/pinctrl/Makefile b/drivers/pinctrl/Makefile
index a251f43..7485af3 100644
--- a/drivers/pinctrl/Makefile
+++ b/drivers/pinctrl/Makefile
@@ -38,6 +38,7 @@ obj-$(CONFIG_PINCTRL_LPC18XX)	+= pinctrl-lpc18xx.o
 obj-$(CONFIG_PINCTRL_TB10X)	+= pinctrl-tb10x.o
 obj-$(CONFIG_PINCTRL_ST) 	+= pinctrl-st.o
 obj-$(CONFIG_PINCTRL_ZYNQ)	+= pinctrl-zynq.o
+obj-$(CONFIG_PINCTRL_RK805)	+= pinctrl-rk805.o
 
 obj-$(CONFIG_ARCH_ASPEED)	+= aspeed/
 obj-y				+= bcm/
diff --git a/drivers/pinctrl/pinctrl-rk805.c b/drivers/pinctrl/pinctrl-rk805.c
new file mode 100644
index 0000000..b0bfd30
--- /dev/null
+++ b/drivers/pinctrl/pinctrl-rk805.c
@@ -0,0 +1,493 @@
+/*
+ * Pinctrl driver for Rockchip RK805 PMIC
+ *
+ * Copyright (c) 2017, Fuzhou Rockchip Electronics Co., Ltd
+ *
+ * Author: Joseph Chen <chenjh@rock-chips.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under  the terms of the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * Based on the pinctrl-as3722 driver
+ */
+
+#include <linux/gpio/driver.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/mfd/rk808.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
+#include <linux/platform_device.h>
+#include <linux/pinctrl/consumer.h>
+#include <linux/pinctrl/machine.h>
+#include <linux/pinctrl/pinctrl.h>
+#include <linux/pinctrl/pinconf-generic.h>
+#include <linux/pinctrl/pinconf.h>
+#include <linux/pinctrl/pinmux.h>
+#include <linux/pm.h>
+#include <linux/slab.h>
+
+#include "core.h"
+#include "pinconf.h"
+#include "pinctrl-utils.h"
+
+struct rk805_pin_function {
+	const char *name;
+	const char *const *groups;
+	unsigned int ngroups;
+	int mux_option;
+};
+
+struct rk805_pin_group {
+	const char *name;
+	const unsigned int pins[1];
+	unsigned int npins;
+};
+
+/*
+ * @reg: gpio setting register;
+ * @fun_mask: functions select mask value, when set is gpio;
+ * @dir_mask: input or output mask value, when set is output, otherwise input;
+ * @val_mask: gpio set value, when set is level high, otherwise low;
+ *
+ * Different PMIC has different pin features, belowing 3 mask members are not
+ * all necessary for every PMIC. For example, RK805 has 2 pins that can be used
+ * as output only GPIOs, so func_mask and dir_mask are not needed. RK816 has 1
+ * pin that can be used as TS/GPIO, so fun_mask, dir_mask and val_mask are all
+ * necessary.
+ */
+struct rk805_pin_config {
+	u8 reg;
+	u8 fun_msk;
+	u8 dir_msk;
+	u8 val_msk;
+};
+
+struct rk805_pctrl_info {
+	struct rk808 *rk808;
+	struct device *dev;
+	struct pinctrl_dev *pctl;
+	struct gpio_chip gpio_chip;
+	struct pinctrl_desc pinctrl_desc;
+	const struct rk805_pin_function *functions;
+	unsigned int num_functions;
+	const struct rk805_pin_group *groups;
+	int num_pin_groups;
+	const struct pinctrl_pin_desc *pins;
+	unsigned int num_pins;
+	struct rk805_pin_config *pin_cfg;
+};
+
+enum rk805_pinmux_option {
+	RK805_PINMUX_GPIO,
+};
+
+enum {
+	RK805_GPIO0,
+	RK805_GPIO1,
+};
+
+static const char *const rk805_gpio_groups[] = {
+	"gpio0",
+	"gpio1",
+};
+
+/* RK805: 2 output only GPIOs */
+static const struct pinctrl_pin_desc rk805_pins_desc[] = {
+	PINCTRL_PIN(RK805_GPIO0, "gpio0"),
+	PINCTRL_PIN(RK805_GPIO1, "gpio1"),
+};
+
+static const struct rk805_pin_function rk805_pin_functions[] = {
+	{
+		.name = "gpio",
+		.groups = rk805_gpio_groups,
+		.ngroups = ARRAY_SIZE(rk805_gpio_groups),
+		.mux_option = RK805_PINMUX_GPIO,
+	},
+};
+
+static const struct rk805_pin_group rk805_pin_groups[] = {
+	{
+		.name = "gpio0",
+		.pins = { RK805_GPIO0 },
+		.npins = 1,
+	},
+	{
+		.name = "gpio1",
+		.pins = { RK805_GPIO1 },
+		.npins = 1,
+	},
+};
+
+#define RK805_GPIO0_VAL_MSK	BIT(0)
+#define RK805_GPIO1_VAL_MSK	BIT(1)
+
+static struct rk805_pin_config rk805_gpio_cfgs[] = {
+	{
+		.reg = RK805_OUT_REG,
+		.val_msk = RK805_GPIO0_VAL_MSK,
+	},
+	{
+		.reg = RK805_OUT_REG,
+		.val_msk = RK805_GPIO1_VAL_MSK,
+	},
+};
+
+/* generic gpio chip */
+static int rk805_gpio_get(struct gpio_chip *chip, unsigned int offset)
+{
+	struct rk805_pctrl_info *pci = gpiochip_get_data(chip);
+	int ret, val;
+
+	ret = regmap_read(pci->rk808->regmap, pci->pin_cfg[offset].reg, &val);
+	if (ret) {
+		dev_err(pci->dev, "get gpio%d value failed\n", offset);
+		return ret;
+	}
+
+	return !!(val & pci->pin_cfg[offset].val_msk);
+}
+
+static void rk805_gpio_set(struct gpio_chip *chip,
+			   unsigned int offset,
+			   int value)
+{
+	struct rk805_pctrl_info *pci = gpiochip_get_data(chip);
+	int ret;
+
+	ret = regmap_update_bits(pci->rk808->regmap,
+				 pci->pin_cfg[offset].reg,
+				 pci->pin_cfg[offset].val_msk,
+				 value ? pci->pin_cfg[offset].val_msk : 0);
+	if (ret)
+		dev_err(pci->dev, "set gpio%d value %d failed\n",
+			offset, value);
+}
+
+static int rk805_gpio_direction_input(struct gpio_chip *chip,
+				      unsigned int offset)
+{
+	return pinctrl_gpio_direction_input(chip->base + offset);
+}
+
+static int rk805_gpio_direction_output(struct gpio_chip *chip,
+				       unsigned int offset, int value)
+{
+	rk805_gpio_set(chip, offset, value);
+	return pinctrl_gpio_direction_output(chip->base + offset);
+}
+
+static int rk805_gpio_get_direction(struct gpio_chip *chip, unsigned int offset)
+{
+	struct rk805_pctrl_info *pci = gpiochip_get_data(chip);
+	unsigned int val;
+	int ret;
+
+	/* default output*/
+	if (!pci->pin_cfg[offset].dir_msk)
+		return 0;
+
+	ret = regmap_read(pci->rk808->regmap,
+			  pci->pin_cfg[offset].reg,
+			  &val);
+	if (ret) {
+		dev_err(pci->dev, "get gpio%d direction failed\n", offset);
+		return ret;
+	}
+
+	return !(val & pci->pin_cfg[offset].dir_msk);
+}
+
+static struct gpio_chip rk805_gpio_chip = {
+	.label			= "rk805-gpio",
+	.request		= gpiochip_generic_request,
+	.free			= gpiochip_generic_free,
+	.get_direction		= rk805_gpio_get_direction,
+	.get			= rk805_gpio_get,
+	.set			= rk805_gpio_set,
+	.direction_input	= rk805_gpio_direction_input,
+	.direction_output	= rk805_gpio_direction_output,
+	.can_sleep		= true,
+	.base			= -1,
+	.owner			= THIS_MODULE,
+};
+
+/* generic pinctrl */
+static int rk805_pinctrl_get_groups_count(struct pinctrl_dev *pctldev)
+{
+	struct rk805_pctrl_info *pci = pinctrl_dev_get_drvdata(pctldev);
+
+	return pci->num_pin_groups;
+}
+
+static const char *rk805_pinctrl_get_group_name(struct pinctrl_dev *pctldev,
+						unsigned int group)
+{
+	struct rk805_pctrl_info *pci = pinctrl_dev_get_drvdata(pctldev);
+
+	return pci->groups[group].name;
+}
+
+static int rk805_pinctrl_get_group_pins(struct pinctrl_dev *pctldev,
+					unsigned int group,
+					const unsigned int **pins,
+					unsigned int *num_pins)
+{
+	struct rk805_pctrl_info *pci = pinctrl_dev_get_drvdata(pctldev);
+
+	*pins = pci->groups[group].pins;
+	*num_pins = pci->groups[group].npins;
+
+	return 0;
+}
+
+static const struct pinctrl_ops rk805_pinctrl_ops = {
+	.get_groups_count = rk805_pinctrl_get_groups_count,
+	.get_group_name = rk805_pinctrl_get_group_name,
+	.get_group_pins = rk805_pinctrl_get_group_pins,
+	.dt_node_to_map = pinconf_generic_dt_node_to_map_pin,
+	.dt_free_map = pinctrl_utils_free_map,
+};
+
+static int rk805_pinctrl_get_funcs_count(struct pinctrl_dev *pctldev)
+{
+	struct rk805_pctrl_info *pci = pinctrl_dev_get_drvdata(pctldev);
+
+	return pci->num_functions;
+}
+
+static const char *rk805_pinctrl_get_func_name(struct pinctrl_dev *pctldev,
+					       unsigned int function)
+{
+	struct rk805_pctrl_info *pci = pinctrl_dev_get_drvdata(pctldev);
+
+	return pci->functions[function].name;
+}
+
+static int rk805_pinctrl_get_func_groups(struct pinctrl_dev *pctldev,
+					 unsigned int function,
+					 const char *const **groups,
+					 unsigned int *const num_groups)
+{
+	struct rk805_pctrl_info *pci = pinctrl_dev_get_drvdata(pctldev);
+
+	*groups = pci->functions[function].groups;
+	*num_groups = pci->functions[function].ngroups;
+
+	return 0;
+}
+
+static int _rk805_pinctrl_set_mux(struct pinctrl_dev *pctldev,
+				  unsigned int offset,
+				  int mux)
+{
+	struct rk805_pctrl_info *pci = pinctrl_dev_get_drvdata(pctldev);
+	int ret;
+
+	if (!pci->pin_cfg[offset].fun_msk)
+		return 0;
+
+	if (mux == RK805_PINMUX_GPIO) {
+		ret = regmap_update_bits(pci->rk808->regmap,
+					 pci->pin_cfg[offset].reg,
+					 pci->pin_cfg[offset].fun_msk,
+					 pci->pin_cfg[offset].fun_msk);
+		if (ret) {
+			dev_err(pci->dev, "set gpio%d GPIO failed\n", offset);
+			return ret;
+		}
+	} else {
+		dev_err(pci->dev, "Couldn't find function mux %d\n", mux);
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static int rk805_pinctrl_set_mux(struct pinctrl_dev *pctldev,
+				 unsigned int function,
+				 unsigned int group)
+{
+	struct rk805_pctrl_info *pci = pinctrl_dev_get_drvdata(pctldev);
+	int mux = pci->functions[function].mux_option;
+	int offset = group;
+
+	return _rk805_pinctrl_set_mux(pctldev, offset, mux);
+}
+
+static int rk805_pmx_gpio_set_direction(struct pinctrl_dev *pctldev,
+					struct pinctrl_gpio_range *range,
+					unsigned int offset, bool input)
+{
+	struct rk805_pctrl_info *pci = pinctrl_dev_get_drvdata(pctldev);
+	int ret;
+
+	/* switch to gpio function */
+	ret = _rk805_pinctrl_set_mux(pctldev, offset, RK805_PINMUX_GPIO);
+	if (ret) {
+		dev_err(pci->dev, "set gpio%d mux failed\n", offset);
+		return ret;
+	}
+
+	/* set direction */
+	if (!pci->pin_cfg[offset].dir_msk)
+		return 0;
+
+	ret = regmap_update_bits(pci->rk808->regmap,
+				 pci->pin_cfg[offset].reg,
+				 pci->pin_cfg[offset].dir_msk,
+				 input ? 0 : pci->pin_cfg[offset].dir_msk);
+	if (ret) {
+		dev_err(pci->dev, "set gpio%d direction failed\n", offset);
+		return ret;
+	}
+
+	return ret;
+}
+
+static const struct pinmux_ops rk805_pinmux_ops = {
+	.get_functions_count	= rk805_pinctrl_get_funcs_count,
+	.get_function_name	= rk805_pinctrl_get_func_name,
+	.get_function_groups	= rk805_pinctrl_get_func_groups,
+	.set_mux		= rk805_pinctrl_set_mux,
+	.gpio_set_direction	= rk805_pmx_gpio_set_direction,
+};
+
+static int rk805_pinconf_get(struct pinctrl_dev *pctldev,
+			     unsigned int pin, unsigned long *config)
+{
+	struct rk805_pctrl_info *pci = pinctrl_dev_get_drvdata(pctldev);
+	enum pin_config_param param = pinconf_to_config_param(*config);
+	u32 arg = 0;
+
+	switch (param) {
+	case PIN_CONFIG_OUTPUT:
+		arg = rk805_gpio_get(&pci->gpio_chip, pin);
+		break;
+	default:
+		dev_err(pci->dev, "Properties not supported\n");
+		return -ENOTSUPP;
+	}
+
+	*config = pinconf_to_config_packed(param, (u16)arg);
+
+	return 0;
+}
+
+static int rk805_pinconf_set(struct pinctrl_dev *pctldev,
+			     unsigned int pin, unsigned long *configs,
+			     unsigned int num_configs)
+{
+	struct rk805_pctrl_info *pci = pinctrl_dev_get_drvdata(pctldev);
+	enum pin_config_param param;
+	u32 i, arg = 0;
+
+	for (i = 0; i < num_configs; i++) {
+		param = pinconf_to_config_param(configs[i]);
+		arg = pinconf_to_config_argument(configs[i]);
+
+		switch (param) {
+		case PIN_CONFIG_OUTPUT:
+			rk805_gpio_set(&pci->gpio_chip, pin, arg);
+			rk805_pmx_gpio_set_direction(pctldev, NULL, pin, false);
+			break;
+		default:
+			dev_err(pci->dev, "Properties not supported\n");
+			return -ENOTSUPP;
+		}
+	}
+
+	return 0;
+}
+
+static const struct pinconf_ops rk805_pinconf_ops = {
+	.pin_config_get = rk805_pinconf_get,
+	.pin_config_set = rk805_pinconf_set,
+};
+
+static struct pinctrl_desc rk805_pinctrl_desc = {
+	.name = "rk805-pinctrl",
+	.pctlops = &rk805_pinctrl_ops,
+	.pmxops = &rk805_pinmux_ops,
+	.confops = &rk805_pinconf_ops,
+	.owner = THIS_MODULE,
+};
+
+static int rk805_pinctrl_probe(struct platform_device *pdev)
+{
+	struct rk805_pctrl_info *pci;
+	int ret;
+
+	pci = devm_kzalloc(&pdev->dev, sizeof(*pci), GFP_KERNEL);
+	if (!pci)
+		return -ENOMEM;
+
+	pci->dev = &pdev->dev;
+	pci->dev->of_node = pdev->dev.parent->of_node;
+	pci->rk808 = dev_get_drvdata(pdev->dev.parent);
+
+	pci->pinctrl_desc = rk805_pinctrl_desc;
+	pci->gpio_chip = rk805_gpio_chip;
+	pci->gpio_chip.parent = &pdev->dev;
+	pci->gpio_chip.of_node = pdev->dev.parent->of_node;
+
+	platform_set_drvdata(pdev, pci);
+
+	switch (pci->rk808->variant) {
+	case RK805_ID:
+		pci->pins = rk805_pins_desc;
+		pci->num_pins = ARRAY_SIZE(rk805_pins_desc);
+		pci->functions = rk805_pin_functions;
+		pci->num_functions = ARRAY_SIZE(rk805_pin_functions);
+		pci->groups = rk805_pin_groups;
+		pci->num_pin_groups = ARRAY_SIZE(rk805_pin_groups);
+		pci->pinctrl_desc.pins = rk805_pins_desc;
+		pci->pinctrl_desc.npins = ARRAY_SIZE(rk805_pins_desc);
+		pci->pin_cfg = rk805_gpio_cfgs;
+		pci->gpio_chip.ngpio = ARRAY_SIZE(rk805_gpio_cfgs);
+		break;
+	default:
+		dev_err(&pdev->dev, "unsupported RK805 ID %lu\n",
+			pci->rk808->variant);
+		return -EINVAL;
+	}
+
+	/* Add gpio chip */
+	ret = devm_gpiochip_add_data(&pdev->dev, &pci->gpio_chip, pci);
+	if (ret < 0) {
+		dev_err(&pdev->dev, "Couldn't add gpiochip\n");
+		return ret;
+	}
+
+	/* Add pinctrl */
+	pci->pctl = devm_pinctrl_register(&pdev->dev, &pci->pinctrl_desc, pci);
+	if (IS_ERR(pci->pctl)) {
+		dev_err(&pdev->dev, "Couldn't add pinctrl\n");
+		return PTR_ERR(pci->pctl);
+	}
+
+	/* Add pin range */
+	ret = gpiochip_add_pin_range(&pci->gpio_chip, dev_name(&pdev->dev),
+				     0, 0, pci->gpio_chip.ngpio);
+	if (ret < 0) {
+		dev_err(&pdev->dev, "Couldn't add gpiochip pin range\n");
+		return ret;
+	}
+
+	return 0;
+}
+
+static struct platform_driver rk805_pinctrl_driver = {
+	.probe = rk805_pinctrl_probe,
+	.driver = {
+		.name = "rk805-pinctrl",
+	},
+};
+module_platform_driver(rk805_pinctrl_driver);
+
+MODULE_DESCRIPTION("RK805 pin control and GPIO driver");
+MODULE_AUTHOR("Joseph Chen <chenjh@rock-chips.com>");
+MODULE_LICENSE("GPL v2");
-- 
1.9.1


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[RESEND v9 09/12] Input: Add power key driver for Rockchip RK805 PMIC

[Joseph Chen]

This driver provides a input driver for the power
key on the Rockchip RK805 PMIC.

Signed-off-by: Joseph Chen <chenjh@rock-chips.com>
---
 drivers/input/misc/Kconfig        |   6 +++
 drivers/input/misc/Makefile       |   1 +
 drivers/input/misc/rk805-pwrkey.c | 111 ++++++++++++++++++++++++++++++++++++++
 3 files changed, 118 insertions(+)
 create mode 100644 drivers/input/misc/rk805-pwrkey.c

diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig
index 5b6c522..72dc4f5 100644
--- a/drivers/input/misc/Kconfig
+++ b/drivers/input/misc/Kconfig
@@ -571,6 +571,12 @@ config INPUT_PWM_BEEPER
 	  To compile this driver as a module, choose M here: the module will be
 	  called pwm-beeper.
 
+config INPUT_RK805_PWRKEY
+	tristate "Rockchip RK805 PMIC power key support"
+	depends on MFD_RK808
+	help
+	  Select this option to enable power key driver for RK805.
+
 config INPUT_GPIO_ROTARY_ENCODER
 	tristate "Rotary encoders connected to GPIO pins"
 	depends on GPIOLIB || COMPILE_TEST
diff --git a/drivers/input/misc/Makefile b/drivers/input/misc/Makefile
index b10523f..c27052a 100644
--- a/drivers/input/misc/Makefile
+++ b/drivers/input/misc/Makefile
@@ -63,6 +63,7 @@ obj-$(CONFIG_INPUT_REGULATOR_HAPTIC)	+= regulator-haptic.o
 obj-$(CONFIG_INPUT_RETU_PWRBUTTON)	+= retu-pwrbutton.o
 obj-$(CONFIG_INPUT_AXP20X_PEK)		+= axp20x-pek.o
 obj-$(CONFIG_INPUT_GPIO_ROTARY_ENCODER)	+= rotary_encoder.o
+obj-$(CONFIG_INPUT_RK805_PWRKEY)	+= rk805-pwrkey.o
 obj-$(CONFIG_INPUT_SGI_BTNS)		+= sgi_btns.o
 obj-$(CONFIG_INPUT_SIRFSOC_ONKEY)	+= sirfsoc-onkey.o
 obj-$(CONFIG_INPUT_SOC_BUTTON_ARRAY)	+= soc_button_array.o
diff --git a/drivers/input/misc/rk805-pwrkey.c b/drivers/input/misc/rk805-pwrkey.c
new file mode 100644
index 0000000..e0fc66e
--- /dev/null
+++ b/drivers/input/misc/rk805-pwrkey.c
@@ -0,0 +1,111 @@
+/*
+ * Rockchip RK805 PMIC Power Key driver
+ *
+ * Copyright (c) 2017, Fuzhou Rockchip Electronics Co., Ltd
+ *
+ * Author: Joseph Chen <chenjh@rock-chips.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under  the terms of the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ */
+#include <linux/errno.h>
+#include <linux/init.h>
+#include <linux/input.h>
+#include <linux/interrupt.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+
+static irqreturn_t pwrkey_fall_irq(int irq, void *_pwr)
+{
+	struct input_dev *pwr = _pwr;
+
+	input_report_key(pwr, KEY_POWER, 1);
+	input_sync(pwr);
+
+	return IRQ_HANDLED;
+}
+
+static irqreturn_t pwrkey_rise_irq(int irq, void *_pwr)
+{
+	struct input_dev *pwr = _pwr;
+
+	input_report_key(pwr, KEY_POWER, 0);
+	input_sync(pwr);
+
+	return IRQ_HANDLED;
+}
+
+static int rk805_pwrkey_probe(struct platform_device *pdev)
+{
+	struct input_dev *pwr;
+	int fall_irq, rise_irq;
+	int err;
+
+	pwr = devm_input_allocate_device(&pdev->dev);
+	if (!pwr) {
+		dev_err(&pdev->dev, "Can't allocate power button\n");
+		return -ENOMEM;
+	}
+
+	pwr->name = "rk805 pwrkey";
+	pwr->phys = "rk805_pwrkey/input0";
+	pwr->dev.parent = &pdev->dev;
+	input_set_capability(pwr, EV_KEY, KEY_POWER);
+
+	fall_irq = platform_get_irq(pdev, 0);
+	if (fall_irq < 0) {
+		dev_err(&pdev->dev, "Can't get fall irq: %d\n", fall_irq);
+		return fall_irq;
+	}
+
+	rise_irq = platform_get_irq(pdev, 1);
+	if (rise_irq < 0) {
+		dev_err(&pdev->dev, "Can't get rise irq: %d\n", rise_irq);
+		return rise_irq;
+	}
+
+	err = devm_request_any_context_irq(&pwr->dev, fall_irq,
+					   pwrkey_fall_irq,
+					   IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
+					   "rk805_pwrkey_fall", pwr);
+	if (err < 0) {
+		dev_err(&pdev->dev, "Can't register fall irq: %d\n", err);
+		return err;
+	}
+
+	err = devm_request_any_context_irq(&pwr->dev, rise_irq,
+					   pwrkey_rise_irq,
+					   IRQF_TRIGGER_RISING | IRQF_ONESHOT,
+					   "rk805_pwrkey_rise", pwr);
+	if (err < 0) {
+		dev_err(&pdev->dev, "Can't register rise irq: %d\n", err);
+		return err;
+	}
+
+	err = input_register_device(pwr);
+	if (err) {
+		dev_err(&pdev->dev, "Can't register power button: %d\n", err);
+		return err;
+	}
+
+	platform_set_drvdata(pdev, pwr);
+	device_init_wakeup(&pdev->dev, true);
+
+	return 0;
+}
+
+static struct platform_driver rk805_pwrkey_driver = {
+	.probe	= rk805_pwrkey_probe,
+	.driver	= {
+		.name = "rk805-pwrkey",
+	},
+};
+module_platform_driver(rk805_pwrkey_driver);
+
+MODULE_AUTHOR("Joseph Chen <chenjh@rock-chips.com>");
+MODULE_DESCRIPTION("RK805 PMIC Power Key driver");
+MODULE_LICENSE("GPL v2");
-- 
1.9.1

[rtc-linux] [RESEND v9 09/12] Input: Add power key driver for Rockchip RK805 PMIC

[Joseph Chen]

This driver provides a input driver for the power
key on the Rockchip RK805 PMIC.

Signed-off-by: Joseph Chen <chenjh@rock-chips.com>
---
 drivers/input/misc/Kconfig        |   6 +++
 drivers/input/misc/Makefile       |   1 +
 drivers/input/misc/rk805-pwrkey.c | 111 ++++++++++++++++++++++++++++++++++++++
 3 files changed, 118 insertions(+)
 create mode 100644 drivers/input/misc/rk805-pwrkey.c

diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig
index 5b6c522..72dc4f5 100644
--- a/drivers/input/misc/Kconfig
+++ b/drivers/input/misc/Kconfig
@@ -571,6 +571,12 @@ config INPUT_PWM_BEEPER
 	  To compile this driver as a module, choose M here: the module will be
 	  called pwm-beeper.
 
+config INPUT_RK805_PWRKEY
+	tristate "Rockchip RK805 PMIC power key support"
+	depends on MFD_RK808
+	help
+	  Select this option to enable power key driver for RK805.
+
 config INPUT_GPIO_ROTARY_ENCODER
 	tristate "Rotary encoders connected to GPIO pins"
 	depends on GPIOLIB || COMPILE_TEST
diff --git a/drivers/input/misc/Makefile b/drivers/input/misc/Makefile
index b10523f..c27052a 100644
--- a/drivers/input/misc/Makefile
+++ b/drivers/input/misc/Makefile
@@ -63,6 +63,7 @@ obj-$(CONFIG_INPUT_REGULATOR_HAPTIC)	+= regulator-haptic.o
 obj-$(CONFIG_INPUT_RETU_PWRBUTTON)	+= retu-pwrbutton.o
 obj-$(CONFIG_INPUT_AXP20X_PEK)		+= axp20x-pek.o
 obj-$(CONFIG_INPUT_GPIO_ROTARY_ENCODER)	+= rotary_encoder.o
+obj-$(CONFIG_INPUT_RK805_PWRKEY)	+= rk805-pwrkey.o
 obj-$(CONFIG_INPUT_SGI_BTNS)		+= sgi_btns.o
 obj-$(CONFIG_INPUT_SIRFSOC_ONKEY)	+= sirfsoc-onkey.o
 obj-$(CONFIG_INPUT_SOC_BUTTON_ARRAY)	+= soc_button_array.o
diff --git a/drivers/input/misc/rk805-pwrkey.c b/drivers/input/misc/rk805-pwrkey.c
new file mode 100644
index 0000000..e0fc66e
--- /dev/null
+++ b/drivers/input/misc/rk805-pwrkey.c
@@ -0,0 +1,111 @@
+/*
+ * Rockchip RK805 PMIC Power Key driver
+ *
+ * Copyright (c) 2017, Fuzhou Rockchip Electronics Co., Ltd
+ *
+ * Author: Joseph Chen <chenjh@rock-chips.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under  the terms of the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ */
+#include <linux/errno.h>
+#include <linux/init.h>
+#include <linux/input.h>
+#include <linux/interrupt.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+
+static irqreturn_t pwrkey_fall_irq(int irq, void *_pwr)
+{
+	struct input_dev *pwr = _pwr;
+
+	input_report_key(pwr, KEY_POWER, 1);
+	input_sync(pwr);
+
+	return IRQ_HANDLED;
+}
+
+static irqreturn_t pwrkey_rise_irq(int irq, void *_pwr)
+{
+	struct input_dev *pwr = _pwr;
+
+	input_report_key(pwr, KEY_POWER, 0);
+	input_sync(pwr);
+
+	return IRQ_HANDLED;
+}
+
+static int rk805_pwrkey_probe(struct platform_device *pdev)
+{
+	struct input_dev *pwr;
+	int fall_irq, rise_irq;
+	int err;
+
+	pwr = devm_input_allocate_device(&pdev->dev);
+	if (!pwr) {
+		dev_err(&pdev->dev, "Can't allocate power button\n");
+		return -ENOMEM;
+	}
+
+	pwr->name = "rk805 pwrkey";
+	pwr->phys = "rk805_pwrkey/input0";
+	pwr->dev.parent = &pdev->dev;
+	input_set_capability(pwr, EV_KEY, KEY_POWER);
+
+	fall_irq = platform_get_irq(pdev, 0);
+	if (fall_irq < 0) {
+		dev_err(&pdev->dev, "Can't get fall irq: %d\n", fall_irq);
+		return fall_irq;
+	}
+
+	rise_irq = platform_get_irq(pdev, 1);
+	if (rise_irq < 0) {
+		dev_err(&pdev->dev, "Can't get rise irq: %d\n", rise_irq);
+		return rise_irq;
+	}
+
+	err = devm_request_any_context_irq(&pwr->dev, fall_irq,
+					   pwrkey_fall_irq,
+					   IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
+					   "rk805_pwrkey_fall", pwr);
+	if (err < 0) {
+		dev_err(&pdev->dev, "Can't register fall irq: %d\n", err);
+		return err;
+	}
+
+	err = devm_request_any_context_irq(&pwr->dev, rise_irq,
+					   pwrkey_rise_irq,
+					   IRQF_TRIGGER_RISING | IRQF_ONESHOT,
+					   "rk805_pwrkey_rise", pwr);
+	if (err < 0) {
+		dev_err(&pdev->dev, "Can't register rise irq: %d\n", err);
+		return err;
+	}
+
+	err = input_register_device(pwr);
+	if (err) {
+		dev_err(&pdev->dev, "Can't register power button: %d\n", err);
+		return err;
+	}
+
+	platform_set_drvdata(pdev, pwr);
+	device_init_wakeup(&pdev->dev, true);
+
+	return 0;
+}
+
+static struct platform_driver rk805_pwrkey_driver = {
+	.probe	= rk805_pwrkey_probe,
+	.driver	= {
+		.name = "rk805-pwrkey",
+	},
+};
+module_platform_driver(rk805_pwrkey_driver);
+
+MODULE_AUTHOR("Joseph Chen <chenjh@rock-chips.com>");
+MODULE_DESCRIPTION("RK805 PMIC Power Key driver");
+MODULE_LICENSE("GPL v2");
-- 
1.9.1


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Re: [RESEND v9 09/12] Input: Add power key driver for Rockchip RK805 PMIC

[Dmitry Torokhov]

On Wed, Aug 16, 2017 at 10:01:34AM +0800, Joseph Chen wrote:
> This driver provides a input driver for the power
> key on the Rockchip RK805 PMIC.
> 
> Signed-off-by: Joseph Chen <chenjh-TNX95d0MmH7DzftRWevZcw@public.gmane.org>

This driver is in my tree already, no need to resend it again.

Thanks.

-- 
Dmitry

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[rtc-linux] Re: [RESEND v9 09/12] Input: Add power key driver for Rockchip RK805 PMIC

[Dmitry Torokhov]

On Wed, Aug 16, 2017 at 10:01:34AM +0800, Joseph Chen wrote:
> This driver provides a input driver for the power
> key on the Rockchip RK805 PMIC.
> 
> Signed-off-by: Joseph Chen <chenjh@rock-chips.com>

This driver is in my tree already, no need to resend it again.

Thanks.

-- 
Dmitry

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Re: [RESEND v9 09/12] Input: Add power key driver for Rockchip RK805 PMIC

[Dmitry Torokhov]

On Wed, Aug 16, 2017 at 10:01:34AM +0800, Joseph Chen wrote:
> This driver provides a input driver for the power
> key on the Rockchip RK805 PMIC.
> 
> Signed-off-by: Joseph Chen <chenjh@rock-chips.com>

This driver is in my tree already, no need to resend it again.

Thanks.

-- 
Dmitry

[RESEND v9 10/12] mfd: rk808: Add RK805 pinctrl support

[Joseph Chen]

Signed-off-by: Joseph Chen <chenjh@rock-chips.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-for-MFD-by: Lee Jones <lee.jones@linaro.org>
---
 drivers/mfd/rk808.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/mfd/rk808.c b/drivers/mfd/rk808.c
index 18329c8..c803d2d 100644
--- a/drivers/mfd/rk808.c
+++ b/drivers/mfd/rk808.c
@@ -97,6 +97,7 @@ static bool rk808_is_volatile_reg(struct device *dev, unsigned int reg)
 static const struct mfd_cell rk805s[] = {
 	{ .name = "rk808-clkout", },
 	{ .name = "rk808-regulator", },
+	{ .name = "rk805-pinctrl", },
 	{
 		.name = "rk808-rtc",
 		.num_resources = ARRAY_SIZE(rtc_resources),
-- 
1.9.1

[rtc-linux] [RESEND v9 10/12] mfd: rk808: Add RK805 pinctrl support

[Joseph Chen]

Signed-off-by: Joseph Chen <chenjh@rock-chips.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-for-MFD-by: Lee Jones <lee.jones@linaro.org>
---
 drivers/mfd/rk808.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/mfd/rk808.c b/drivers/mfd/rk808.c
index 18329c8..c803d2d 100644
--- a/drivers/mfd/rk808.c
+++ b/drivers/mfd/rk808.c
@@ -97,6 +97,7 @@ static bool rk808_is_volatile_reg(struct device *dev, unsigned int reg)
 static const struct mfd_cell rk805s[] = {
 	{ .name = "rk808-clkout", },
 	{ .name = "rk808-regulator", },
+	{ .name = "rk805-pinctrl", },
 	{
 		.name = "rk808-rtc",
 		.num_resources = ARRAY_SIZE(rtc_resources),
-- 
1.9.1


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[RESEND v9 11/12] mfd: rk808: Add RK805 power key support

[Joseph Chen]

Signed-off-by: Joseph Chen <chenjh@rock-chips.com>
Acked-for-MFD-by: Lee Jones <lee.jones@linaro.org>
---
 drivers/mfd/rk808.c | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/drivers/mfd/rk808.c b/drivers/mfd/rk808.c
index c803d2d..216fbf6 100644
--- a/drivers/mfd/rk808.c
+++ b/drivers/mfd/rk808.c
@@ -94,6 +94,19 @@ static bool rk808_is_volatile_reg(struct device *dev, unsigned int reg)
 	}
 };
 
+static struct resource rk805_key_resources[] = {
+	{
+		.start  = RK805_IRQ_PWRON_FALL,
+		.end    = RK805_IRQ_PWRON_FALL,
+		.flags  = IORESOURCE_IRQ,
+	},
+	{
+		.start  = RK805_IRQ_PWRON_RISE,
+		.end    = RK805_IRQ_PWRON_RISE,
+		.flags  = IORESOURCE_IRQ,
+	}
+};
+
 static const struct mfd_cell rk805s[] = {
 	{ .name = "rk808-clkout", },
 	{ .name = "rk808-regulator", },
@@ -103,6 +116,10 @@ static bool rk808_is_volatile_reg(struct device *dev, unsigned int reg)
 		.num_resources = ARRAY_SIZE(rtc_resources),
 		.resources = &rtc_resources[0],
 	},
+	{	.name = "rk805-pwrkey",
+		.num_resources = ARRAY_SIZE(rk805_key_resources),
+		.resources = &rk805_key_resources[0],
+	},
 };
 
 static const struct mfd_cell rk808s[] = {
-- 
1.9.1

[rtc-linux] [RESEND v9 11/12] mfd: rk808: Add RK805 power key support

[Joseph Chen]

Signed-off-by: Joseph Chen <chenjh@rock-chips.com>
Acked-for-MFD-by: Lee Jones <lee.jones@linaro.org>
---
 drivers/mfd/rk808.c | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/drivers/mfd/rk808.c b/drivers/mfd/rk808.c
index c803d2d..216fbf6 100644
--- a/drivers/mfd/rk808.c
+++ b/drivers/mfd/rk808.c
@@ -94,6 +94,19 @@ static bool rk808_is_volatile_reg(struct device *dev, unsigned int reg)
 	}
 };
 
+static struct resource rk805_key_resources[] = {
+	{
+		.start  = RK805_IRQ_PWRON_FALL,
+		.end    = RK805_IRQ_PWRON_FALL,
+		.flags  = IORESOURCE_IRQ,
+	},
+	{
+		.start  = RK805_IRQ_PWRON_RISE,
+		.end    = RK805_IRQ_PWRON_RISE,
+		.flags  = IORESOURCE_IRQ,
+	}
+};
+
 static const struct mfd_cell rk805s[] = {
 	{ .name = "rk808-clkout", },
 	{ .name = "rk808-regulator", },
@@ -103,6 +116,10 @@ static bool rk808_is_volatile_reg(struct device *dev, unsigned int reg)
 		.num_resources = ARRAY_SIZE(rtc_resources),
 		.resources = &rtc_resources[0],
 	},
+	{	.name = "rk805-pwrkey",
+		.num_resources = ARRAY_SIZE(rk805_key_resources),
+		.resources = &rk805_key_resources[0],
+	},
 };
 
 static const struct mfd_cell rk808s[] = {
-- 
1.9.1


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[RESEND v9 12/12] pinctrl: dt-bindings: add bindings for Rockchip RK805 PMIC

[Joseph Chen]

Signed-off-by: Joseph Chen <chenjh@rock-chips.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
---
 .../devicetree/bindings/pinctrl/pinctrl-rk805.txt  | 63 ++++++++++++++++++++++
 1 file changed, 63 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/pinctrl/pinctrl-rk805.txt

diff --git a/Documentation/devicetree/bindings/pinctrl/pinctrl-rk805.txt b/Documentation/devicetree/bindings/pinctrl/pinctrl-rk805.txt
new file mode 100644
index 0000000..eee3dc2
--- /dev/null
+++ b/Documentation/devicetree/bindings/pinctrl/pinctrl-rk805.txt
@@ -0,0 +1,63 @@
+Pincontrol driver for RK805 Power management IC.
+
+RK805 has 2 pins which can be configured as GPIO output only.
+
+Please refer file <devicetree/bindings/pinctrl/pinctrl-bindings.txt>
+for details of the common pinctrl bindings used by client devices,
+including the meaning of the phrase "pin configuration node".
+
+Optional Pinmux properties:
+--------------------------
+Following properties are required if default setting of pins are required
+at boot.
+- pinctrl-names: A pinctrl state named per <pinctrl-binding.txt>.
+- pinctrl[0...n]: Properties to contain the phandle for pinctrl states per
+		<pinctrl-binding.txt>.
+
+The pin configurations are defined as child of the pinctrl states node. Each
+sub-node have following properties:
+
+Required properties:
+------------------
+- #gpio-cells: Should be two. The first cell is the pin number and the
+  second is the GPIO flags.
+
+- gpio-controller: Marks the device node as a GPIO controller.
+
+- pins: List of pins. Valid values of pins properties are: gpio0, gpio1.
+
+First 2 properties must be added in the RK805 PMIC node, documented in
+Documentation/devicetree/bindings/mfd/rk808.txt
+
+Optional properties:
+-------------------
+Following are optional properties defined as pinmux DT binding document
+<pinctrl-bindings.txt>. Absence of properties will leave the configuration
+on default.
+	function,
+	output-low,
+	output-high.
+
+Valid values for function properties are: gpio.
+
+Theres is also not customised properties for any GPIO.
+
+Example:
+--------
+rk805: rk805@18 {
+	compatible = "rockchip,rk805";
+	...
+	gpio-controller;
+	#gpio-cells = <2>;
+
+	pinctrl-names = "default";
+	pinctrl-0 = <&pmic_int_l>, <&rk805_default>;
+
+	rk805_default: pinmux {
+		gpio01 {
+			pins = "gpio0", "gpio1";
+			function = "gpio";
+			output-high;
+		};
+	};
+};
-- 
1.9.1

[rtc-linux] [RESEND v9 12/12] pinctrl: dt-bindings: add bindings for Rockchip RK805 PMIC

[Joseph Chen]

Signed-off-by: Joseph Chen <chenjh@rock-chips.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
---
 .../devicetree/bindings/pinctrl/pinctrl-rk805.txt  | 63 ++++++++++++++++++++++
 1 file changed, 63 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/pinctrl/pinctrl-rk805.txt

diff --git a/Documentation/devicetree/bindings/pinctrl/pinctrl-rk805.txt b/Documentation/devicetree/bindings/pinctrl/pinctrl-rk805.txt
new file mode 100644
index 0000000..eee3dc2
--- /dev/null
+++ b/Documentation/devicetree/bindings/pinctrl/pinctrl-rk805.txt
@@ -0,0 +1,63 @@
+Pincontrol driver for RK805 Power management IC.
+
+RK805 has 2 pins which can be configured as GPIO output only.
+
+Please refer file <devicetree/bindings/pinctrl/pinctrl-bindings.txt>
+for details of the common pinctrl bindings used by client devices,
+including the meaning of the phrase "pin configuration node".
+
+Optional Pinmux properties:
+--------------------------
+Following properties are required if default setting of pins are required
+at boot.
+- pinctrl-names: A pinctrl state named per <pinctrl-binding.txt>.
+- pinctrl[0...n]: Properties to contain the phandle for pinctrl states per
+		<pinctrl-binding.txt>.
+
+The pin configurations are defined as child of the pinctrl states node. Each
+sub-node have following properties:
+
+Required properties:
+------------------
+- #gpio-cells: Should be two. The first cell is the pin number and the
+  second is the GPIO flags.
+
+- gpio-controller: Marks the device node as a GPIO controller.
+
+- pins: List of pins. Valid values of pins properties are: gpio0, gpio1.
+
+First 2 properties must be added in the RK805 PMIC node, documented in
+Documentation/devicetree/bindings/mfd/rk808.txt
+
+Optional properties:
+-------------------
+Following are optional properties defined as pinmux DT binding document
+<pinctrl-bindings.txt>. Absence of properties will leave the configuration
+on default.
+	function,
+	output-low,
+	output-high.
+
+Valid values for function properties are: gpio.
+
+Theres is also not customised properties for any GPIO.
+
+Example:
+--------
+rk805: rk805@18 {
+	compatible = "rockchip,rk805";
+	...
+	gpio-controller;
+	#gpio-cells = <2>;
+
+	pinctrl-names = "default";
+	pinctrl-0 = <&pmic_int_l>, <&rk805_default>;
+
+	rk805_default: pinmux {
+		gpio01 {
+			pins = "gpio0", "gpio1";
+			function = "gpio";
+			output-high;
+		};
+	};
+};
-- 
1.9.1


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Re: [RESEND v9 12/12] pinctrl: dt-bindings: add bindings for Rockchip RK805 PMIC

[Rob Herring]

On Wed, Aug 16, 2017 at 10:02:25AM +0800, Joseph Chen wrote:
> Signed-off-by: Joseph Chen <chenjh@rock-chips.com>
> Acked-by: Linus Walleij <linus.walleij@linaro.org>
> ---
>  .../devicetree/bindings/pinctrl/pinctrl-rk805.txt  | 63 ++++++++++++++++++++++
>  1 file changed, 63 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/pinctrl/pinctrl-rk805.txt

Acked-by: Rob Herring <robh@kernel.org>

[rtc-linux] Re: [RESEND v9 12/12] pinctrl: dt-bindings: add bindings for Rockchip RK805 PMIC

[Rob Herring]

On Wed, Aug 16, 2017 at 10:02:25AM +0800, Joseph Chen wrote:
> Signed-off-by: Joseph Chen <chenjh@rock-chips.com>
> Acked-by: Linus Walleij <linus.walleij@linaro.org>
> ---
>  .../devicetree/bindings/pinctrl/pinctrl-rk805.txt  | 63 ++++++++++++++++++++++
>  1 file changed, 63 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/pinctrl/pinctrl-rk805.txt

Acked-by: Rob Herring <robh@kernel.org>

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