[PATCH v3 00/12] AXP803 PMIC support for Pine64

[PATCH v3 00/12] AXP803 PMIC support for Pine64

[Icenowy Zheng]

The Pine64 (including Pine64+) boards have an AXP803 PMIC, which is a PMIC
similar to AXP288, but tweaked to use with Allwinner SoCs rather than Intel
tablets (with DCIN and Vbus re-splitted like other AXP PMICs, and RSB bus
support added).

This patchset adds support for it and enabled it in Pine64 device tree.

This patchset can be splitted into two big parts:

- Part1: PATCH 1/11 to PATCH 6/12, which are enabling the MFD (and the
  power key functionality) of AXP803.

- Part2: PATCH 7/12 to PATCH 12/12, which are enabling the regulator
  function of the AXP803 PMIC. Finally Wi-Fi function is added
  as a usage of regulators function.

PATCH 1 and 2 added RSB and NMI device nodes, which are used for the
communication between A64 and AXP803.

PATCH 3 re-arranged the compatible strings in AXP20x device tree binding,
for easier insertion of AXP803 compatible. This is based on the suggestion
by device tree maintainer Rob Herring.

PATCH 4 adds basical devicetree binding for AXP803.

PATCH 5 adds support for the AXP803 variant in axp20x-rsb mfd driver. It's
said to be applied already by Lee Jones, but I didn't see it in linux-next
now, so it's kept in this series.

PATCH 6 enabled the AXP803 MFD in Pine64 device tree.

PATCH 7 adds devicetree binding for the regulators in AXP803.

PATCH 8 adds support for the regulators in AXP803 in the axp20x-regulator
driver.

PATCH 9 enabled the regulator MFD cell in AXP803.

PATCH 10 adds a DTSI file for AXP803, just like what have been done for other
AXPs.

PATCH 11 enabled the regulators on Pine64.

PATCH 12 enabled Wi-Fi support on Pine64, which required DLDO4 and ELDO1
regulators.

Icenowy Zheng (12):
  arm64: allwinner: a64: enable RSB on A64
  arm64: allwinner: a64: add NMI controller on A64
  dt-bindings: make AXP20X compatible strings one per line
  dt-bindings: add device tree binding for X-Powers AXP803 PMIC
  mfd: axp20x: support AXP803 variant
  arm64: allwinner: a64: add AXP803 node to Pine64 device tree
  dt-bindings: add AXP803's regulator info
  regulator: axp20x-regulator: add support for AXP803
  mfd: axp20x: add axp20x-regulator cell for AXP803
  arm64: allwinner: a64: add DTSI file for AXP803 PMIC
  arm64: allwinner: a64: enable AXP803 regulators for Pine64
  arm64: allwinner: a64: enable Wi-Fi for Pine64

 Documentation/devicetree/bindings/mfd/axp20x.txt   |  40 +++++-
 arch/arm64/boot/dts/allwinner/axp803.dtsi          | 150 ++++++++++++++++++++
 .../arm64/boot/dts/allwinner/sun50i-a64-pine64.dts | 136 ++++++++++++++++++
 arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi      |  27 ++++
 drivers/mfd/axp20x-rsb.c                           |   1 +
 drivers/mfd/axp20x.c                               |  80 +++++++++++
 drivers/regulator/axp20x-regulator.c               | 153 ++++++++++++++++++---
 include/linux/mfd/axp20x.h                         |  77 ++++++++++-
 8 files changed, 638 insertions(+), 26 deletions(-)
 create mode 100644 arch/arm64/boot/dts/allwinner/axp803.dtsi

-- 
2.12.2

[PATCH v3 01/12] arm64: allwinner: a64: enable RSB on A64

[Icenowy Zheng]

Allwinner A64 have a RSB controller like the one on A23/A33 SoCs.

Add it and its pinmux.

Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
Acked-by: Chen-Yu Tsai <wens@csie.org>
---
Changes in v2:
- Removed bonus properties in pio node.
- Added Chen-Yu's ACK.

 arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
index c7f669f5884f..05ec9fc5e81f 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
@@ -422,6 +422,25 @@
 			#gpio-cells = <3>;
 			interrupt-controller;
 			#interrupt-cells = <3>;
+
+			r_rsb_pins: rsb@0 {
+				pins = "PL0", "PL1";
+				function = "s_rsb";
+			};
+		};
+
+		r_rsb: rsb@1f03400 {
+			compatible = "allwinner,sun8i-a23-rsb";
+			reg = <0x01f03400 0x400>;
+			interrupts = <GIC_SPI 39 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&r_ccu 6>;
+			clock-frequency = <3000000>;
+			resets = <&r_ccu 2>;
+			pinctrl-names = "default";
+			pinctrl-0 = <&r_rsb_pins>;
+			status = "disabled";
+			#address-cells = <1>;
+			#size-cells = <0>;
 		};
 	};
 };
-- 
2.12.2

[PATCH v3 02/12] arm64: allwinner: a64: add NMI controller on A64

[Icenowy Zheng]

Allwinner A64 SoC features a NMI controller, which is usually connected
to the AXP PMIC.

Add support for it.

Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
Acked-by: Chen-Yu Tsai <wens@csie.org>
---
Changes in v2:
- Added Chen-Yu's ACK.

 arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
index 05ec9fc5e81f..53c18ca372ea 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
@@ -403,6 +403,14 @@
 				     <GIC_SPI 41 IRQ_TYPE_LEVEL_HIGH>;
 		};
 
+		nmi_intc: interrupt-controller@01f00c0c {
+			compatible = "allwinner,sun6i-a31-sc-nmi";
+			interrupt-controller;
+			#interrupt-cells = <2>;
+			reg = <0x01f00c0c 0x38>;
+			interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>;
+		};
+
 		r_ccu: clock@1f01400 {
 			compatible = "allwinner,sun50i-a64-r-ccu";
 			reg = <0x01f01400 0x100>;
-- 
2.12.2

[PATCH v3 03/12] dt-bindings: make AXP20X compatible strings one per line

[Icenowy Zheng]

In the binding documentation of AXP20X mfd, the compatible strings used
to be listed for three per line, which leads to some mess when trying to
add AXP803 compatible string (as we have already AXP806 and AXP809
compatibles, which is after AXP803 in ascending order).

Make the compatible strings one per line, so that inserting a new
compatible string will be directly a new line.

Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
---
New patch in v3.

 Documentation/devicetree/bindings/mfd/axp20x.txt | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/Documentation/devicetree/bindings/mfd/axp20x.txt b/Documentation/devicetree/bindings/mfd/axp20x.txt
index b41d2601c6ba..a3e813f6060a 100644
--- a/Documentation/devicetree/bindings/mfd/axp20x.txt
+++ b/Documentation/devicetree/bindings/mfd/axp20x.txt
@@ -9,9 +9,14 @@ axp223 (X-Powers)
 axp809 (X-Powers)
 
 Required properties:
-- compatible: "x-powers,axp152", "x-powers,axp202", "x-powers,axp209",
-	      "x-powers,axp221", "x-powers,axp223", "x-powers,axp806",
-	      "x-powers,axp809"
+- compatible: should be one of:
+    * "x-powers,axp152"
+    * "x-powers,axp202"
+    * "x-powers,axp209"
+    * "x-powers,axp221"
+    * "x-powers,axp223"
+    * "x-powers,axp806"
+    * "x-powers,axp809"
 - reg: The I2C slave address or RSB hardware address for the AXP chip
 - interrupt-parent: The parent interrupt controller
 - interrupts: SoC NMI / GPIO interrupt connected to the PMIC's IRQ pin
-- 
2.12.2

[PATCH v3 04/12] dt-bindings: add device tree binding for X-Powers AXP803 PMIC

[Icenowy Zheng]

AXP803 is a PMIC produced by Shenzhen X-Powers, with either I2C or RSB
bus.

Add a compatible for it.

Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
Acked-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Rob Herring <robh@kernel.org>
---
Changes in v3:
- Make the compatible one-liner.
Changes in v2:
- Place AXP803 before AXP806/809.
- Added Chen-Yu's ACK.

 Documentation/devicetree/bindings/mfd/axp20x.txt | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Documentation/devicetree/bindings/mfd/axp20x.txt b/Documentation/devicetree/bindings/mfd/axp20x.txt
index a3e813f6060a..44df88be3c89 100644
--- a/Documentation/devicetree/bindings/mfd/axp20x.txt
+++ b/Documentation/devicetree/bindings/mfd/axp20x.txt
@@ -6,6 +6,7 @@ axp202 (X-Powers)
 axp209 (X-Powers)
 axp221 (X-Powers)
 axp223 (X-Powers)
+axp803 (X-Powers)
 axp809 (X-Powers)
 
 Required properties:
@@ -15,6 +16,7 @@ Required properties:
     * "x-powers,axp209"
     * "x-powers,axp221"
     * "x-powers,axp223"
+    * "x-powers,axp803"
     * "x-powers,axp806"
     * "x-powers,axp809"
 - reg: The I2C slave address or RSB hardware address for the AXP chip
-- 
2.12.2

[PATCH v3 05/12] mfd: axp20x: support AXP803 variant

[Icenowy Zheng]

AXP803 is a new PMIC chip produced by X-Powers, usually paired with A64
via RSB bus. The PMIC itself is like AXP288, but with RSB support and
dedicated VBUS and ACIN.

Add support for it in the axp20x mfd driver.

Currently only power key function is supported.

Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
---
This patch is said to be applied by Lee Jones, however, I didn't see it
in the linux-next, so I included it in the patchset now.

Changes in v2:
- Share regmap configs with AXP288.
- Place AXP803 bits before AXP806/809.

 drivers/mfd/axp20x-rsb.c   |  1 +
 drivers/mfd/axp20x.c       | 79 ++++++++++++++++++++++++++++++++++++++++++++++
 include/linux/mfd/axp20x.h | 40 ++++++++++++++++++++++-
 3 files changed, 119 insertions(+), 1 deletion(-)

diff --git a/drivers/mfd/axp20x-rsb.c b/drivers/mfd/axp20x-rsb.c
index a732cb50bcff..fd5c7267b136 100644
--- a/drivers/mfd/axp20x-rsb.c
+++ b/drivers/mfd/axp20x-rsb.c
@@ -61,6 +61,7 @@ static int axp20x_rsb_remove(struct sunxi_rsb_device *rdev)
 
 static const struct of_device_id axp20x_rsb_of_match[] = {
 	{ .compatible = "x-powers,axp223", .data = (void *)AXP223_ID },
+	{ .compatible = "x-powers,axp803", .data = (void *)AXP803_ID },
 	{ .compatible = "x-powers,axp806", .data = (void *)AXP806_ID },
 	{ .compatible = "x-powers,axp809", .data = (void *)AXP809_ID },
 	{ },
diff --git a/drivers/mfd/axp20x.c b/drivers/mfd/axp20x.c
index e6f55079876e..1dc6235778eb 100644
--- a/drivers/mfd/axp20x.c
+++ b/drivers/mfd/axp20x.c
@@ -41,6 +41,7 @@ static const char * const axp20x_model_names[] = {
 	"AXP221",
 	"AXP223",
 	"AXP288",
+	"AXP803",
 	"AXP806",
 	"AXP809",
 };
@@ -117,6 +118,7 @@ static const struct regmap_access_table axp22x_volatile_table = {
 	.n_yes_ranges	= ARRAY_SIZE(axp22x_volatile_ranges),
 };
 
+/* AXP288 ranges are shared with the AXP803, as they cover the same range */
 static const struct regmap_range axp288_writeable_ranges[] = {
 	regmap_reg_range(AXP20X_DATACACHE(0), AXP20X_IRQ6_STATE),
 	regmap_reg_range(AXP20X_DCDC_MODE, AXP288_FG_TUNE5),
@@ -264,6 +266,20 @@ static struct resource axp288_fuel_gauge_resources[] = {
 	},
 };
 
+static struct resource axp803_pek_resources[] = {
+	{
+		.name   = "PEK_DBR",
+		.start  = AXP803_IRQ_PEK_RIS_EDGE,
+		.end    = AXP803_IRQ_PEK_RIS_EDGE,
+		.flags  = IORESOURCE_IRQ,
+	}, {
+		.name   = "PEK_DBF",
+		.start  = AXP803_IRQ_PEK_FAL_EDGE,
+		.end    = AXP803_IRQ_PEK_FAL_EDGE,
+		.flags  = IORESOURCE_IRQ,
+	},
+};
+
 static struct resource axp809_pek_resources[] = {
 	{
 		.name   = "PEK_DBR",
@@ -457,6 +473,43 @@ static const struct regmap_irq axp288_regmap_irqs[] = {
 	INIT_REGMAP_IRQ(AXP288, BC_USB_CHNG,            5, 1),
 };
 
+static const struct regmap_irq axp803_regmap_irqs[] = {
+	INIT_REGMAP_IRQ(AXP803, ACIN_OVER_V,		0, 7),
+	INIT_REGMAP_IRQ(AXP803, ACIN_PLUGIN,		0, 6),
+	INIT_REGMAP_IRQ(AXP803, ACIN_REMOVAL,	        0, 5),
+	INIT_REGMAP_IRQ(AXP803, VBUS_OVER_V,		0, 4),
+	INIT_REGMAP_IRQ(AXP803, VBUS_PLUGIN,		0, 3),
+	INIT_REGMAP_IRQ(AXP803, VBUS_REMOVAL,	        0, 2),
+	INIT_REGMAP_IRQ(AXP803, BATT_PLUGIN,		1, 7),
+	INIT_REGMAP_IRQ(AXP803, BATT_REMOVAL,	        1, 6),
+	INIT_REGMAP_IRQ(AXP803, BATT_ENT_ACT_MODE,	1, 5),
+	INIT_REGMAP_IRQ(AXP803, BATT_EXIT_ACT_MODE,	1, 4),
+	INIT_REGMAP_IRQ(AXP803, CHARG,		        1, 3),
+	INIT_REGMAP_IRQ(AXP803, CHARG_DONE,		1, 2),
+	INIT_REGMAP_IRQ(AXP803, BATT_CHG_TEMP_HIGH,	2, 7),
+	INIT_REGMAP_IRQ(AXP803, BATT_CHG_TEMP_HIGH_END,	2, 6),
+	INIT_REGMAP_IRQ(AXP803, BATT_CHG_TEMP_LOW,	2, 5),
+	INIT_REGMAP_IRQ(AXP803, BATT_CHG_TEMP_LOW_END,	2, 4),
+	INIT_REGMAP_IRQ(AXP803, BATT_ACT_TEMP_HIGH,	2, 3),
+	INIT_REGMAP_IRQ(AXP803, BATT_ACT_TEMP_HIGH_END,	2, 2),
+	INIT_REGMAP_IRQ(AXP803, BATT_ACT_TEMP_LOW,	2, 1),
+	INIT_REGMAP_IRQ(AXP803, BATT_ACT_TEMP_LOW_END,	2, 0),
+	INIT_REGMAP_IRQ(AXP803, DIE_TEMP_HIGH,	        3, 7),
+	INIT_REGMAP_IRQ(AXP803, GPADC,		        3, 2),
+	INIT_REGMAP_IRQ(AXP803, LOW_PWR_LVL1,	        3, 1),
+	INIT_REGMAP_IRQ(AXP803, LOW_PWR_LVL2,	        3, 0),
+	INIT_REGMAP_IRQ(AXP803, TIMER,		        4, 7),
+	INIT_REGMAP_IRQ(AXP803, PEK_RIS_EDGE,	        4, 6),
+	INIT_REGMAP_IRQ(AXP803, PEK_FAL_EDGE,	        4, 5),
+	INIT_REGMAP_IRQ(AXP803, PEK_SHORT,		4, 4),
+	INIT_REGMAP_IRQ(AXP803, PEK_LONG,		4, 3),
+	INIT_REGMAP_IRQ(AXP803, PEK_OVER_OFF,		4, 2),
+	INIT_REGMAP_IRQ(AXP803, GPIO1_INPUT,		4, 1),
+	INIT_REGMAP_IRQ(AXP803, GPIO0_INPUT,		4, 0),
+	INIT_REGMAP_IRQ(AXP803, BC_USB_CHNG,            5, 1),
+	INIT_REGMAP_IRQ(AXP803, MV_CHNG,                5, 0),
+};
+
 static const struct regmap_irq axp806_regmap_irqs[] = {
 	INIT_REGMAP_IRQ(AXP806, DIE_TEMP_HIGH_LV1,	0, 0),
 	INIT_REGMAP_IRQ(AXP806, DIE_TEMP_HIGH_LV2,	0, 1),
@@ -557,6 +610,18 @@ static const struct regmap_irq_chip axp288_regmap_irq_chip = {
 
 };
 
+static const struct regmap_irq_chip axp803_regmap_irq_chip = {
+	.name			= "axp803",
+	.status_base		= AXP20X_IRQ1_STATE,
+	.ack_base		= AXP20X_IRQ1_STATE,
+	.mask_base		= AXP20X_IRQ1_EN,
+	.mask_invert		= true,
+	.init_ack_masked	= true,
+	.irqs			= axp803_regmap_irqs,
+	.num_irqs		= ARRAY_SIZE(axp803_regmap_irqs),
+	.num_regs		= 6,
+};
+
 static const struct regmap_irq_chip axp806_regmap_irq_chip = {
 	.name			= "axp806",
 	.status_base		= AXP20X_IRQ1_STATE,
@@ -778,6 +843,14 @@ static struct mfd_cell axp288_cells[] = {
 	},
 };
 
+static struct mfd_cell axp803_cells[] = {
+	{
+		.name			= "axp20x-pek",
+		.num_resources		= ARRAY_SIZE(axp803_pek_resources),
+		.resources		= axp803_pek_resources,
+	}
+};
+
 static struct mfd_cell axp806_cells[] = {
 	{
 		.id			= 2,
@@ -864,6 +937,12 @@ int axp20x_match_device(struct axp20x_dev *axp20x)
 		axp20x->regmap_irq_chip = &axp288_regmap_irq_chip;
 		axp20x->irq_flags = IRQF_TRIGGER_LOW;
 		break;
+	case AXP803_ID:
+		axp20x->nr_cells = ARRAY_SIZE(axp803_cells);
+		axp20x->cells = axp803_cells;
+		axp20x->regmap_cfg = &axp288_regmap_config;
+		axp20x->regmap_irq_chip = &axp803_regmap_irq_chip;
+		break;
 	case AXP806_ID:
 		axp20x->nr_cells = ARRAY_SIZE(axp806_cells);
 		axp20x->cells = axp806_cells;
diff --git a/include/linux/mfd/axp20x.h b/include/linux/mfd/axp20x.h
index dc8798cf2a24..cde56cfe8446 100644
--- a/include/linux/mfd/axp20x.h
+++ b/include/linux/mfd/axp20x.h
@@ -20,6 +20,7 @@ enum axp20x_variants {
 	AXP221_ID,
 	AXP223_ID,
 	AXP288_ID,
+	AXP803_ID,
 	AXP806_ID,
 	AXP809_ID,
 	NR_AXP20X_VARIANTS,
@@ -234,7 +235,7 @@ enum axp20x_variants {
 #define AXP22X_TS_ADC_L			0x59
 #define AXP22X_BATLOW_THRES1		0xe6
 
-/* AXP288 specific registers */
+/* AXP288/AXP803 specific registers */
 #define AXP288_POWER_REASON		0x02
 #define AXP288_BC_GLOBAL		0x2c
 #define AXP288_BC_VBUS_CNTL		0x2d
@@ -475,6 +476,43 @@ enum axp288_irqs {
 	AXP288_IRQ_BC_USB_CHNG,
 };
 
+enum axp803_irqs {
+	AXP803_IRQ_ACIN_OVER_V = 1,
+	AXP803_IRQ_ACIN_PLUGIN,
+	AXP803_IRQ_ACIN_REMOVAL,
+	AXP803_IRQ_VBUS_OVER_V,
+	AXP803_IRQ_VBUS_PLUGIN,
+	AXP803_IRQ_VBUS_REMOVAL,
+	AXP803_IRQ_BATT_PLUGIN,
+	AXP803_IRQ_BATT_REMOVAL,
+	AXP803_IRQ_BATT_ENT_ACT_MODE,
+	AXP803_IRQ_BATT_EXIT_ACT_MODE,
+	AXP803_IRQ_CHARG,
+	AXP803_IRQ_CHARG_DONE,
+	AXP803_IRQ_BATT_CHG_TEMP_HIGH,
+	AXP803_IRQ_BATT_CHG_TEMP_HIGH_END,
+	AXP803_IRQ_BATT_CHG_TEMP_LOW,
+	AXP803_IRQ_BATT_CHG_TEMP_LOW_END,
+	AXP803_IRQ_BATT_ACT_TEMP_HIGH,
+	AXP803_IRQ_BATT_ACT_TEMP_HIGH_END,
+	AXP803_IRQ_BATT_ACT_TEMP_LOW,
+	AXP803_IRQ_BATT_ACT_TEMP_LOW_END,
+	AXP803_IRQ_DIE_TEMP_HIGH,
+	AXP803_IRQ_GPADC,
+	AXP803_IRQ_LOW_PWR_LVL1,
+	AXP803_IRQ_LOW_PWR_LVL2,
+	AXP803_IRQ_TIMER,
+	AXP803_IRQ_PEK_RIS_EDGE,
+	AXP803_IRQ_PEK_FAL_EDGE,
+	AXP803_IRQ_PEK_SHORT,
+	AXP803_IRQ_PEK_LONG,
+	AXP803_IRQ_PEK_OVER_OFF,
+	AXP803_IRQ_GPIO1_INPUT,
+	AXP803_IRQ_GPIO0_INPUT,
+	AXP803_IRQ_BC_USB_CHNG,
+	AXP803_IRQ_MV_CHNG,
+};
+
 enum axp806_irqs {
 	AXP806_IRQ_DIE_TEMP_HIGH_LV1,
 	AXP806_IRQ_DIE_TEMP_HIGH_LV2,
-- 
2.12.2

[PATCH v3 06/12] arm64: allwinner: a64: add AXP803 node to Pine64 device tree

[Icenowy Zheng]

The Pine64 (including Pine64+) boards have an AXP803 as its main PMIC.

Add its device node.

Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
---
 arch/arm64/boot/dts/allwinner/sun50i-a64-pine64.dts | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64.dts
index c680ed385da3..2132d8e6cb3d 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64.dts
@@ -95,6 +95,17 @@
 	status = "okay";
 };
 
+&r_rsb {
+	status = "okay";
+
+	axp803: pmic@3a3 {
+		compatible = "x-powers,axp803";
+		reg = <0x3a3>;
+		interrupt-parent = <&nmi_intc>;
+		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
+	};
+};
+
 &uart0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&uart0_pins_a>;
-- 
2.12.2

[PATCH v3 07/12] dt-bindings: add AXP803's regulator info

[Icenowy Zheng]

AXP803 have the most regulators in currently supported AXP PMICs.

Add info for the regulators in the dt-bindings document.

Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
Acked-by: Rob Herring <robh@kernel.org>
---
Changes in v3:
- Added Rob's ACK.
Changes in v2:
- Place AXP803 regulators before AXP806/809 ones.

 Documentation/devicetree/bindings/mfd/axp20x.txt | 27 ++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/Documentation/devicetree/bindings/mfd/axp20x.txt b/Documentation/devicetree/bindings/mfd/axp20x.txt
index 44df88be3c89..aca09af66514 100644
--- a/Documentation/devicetree/bindings/mfd/axp20x.txt
+++ b/Documentation/devicetree/bindings/mfd/axp20x.txt
@@ -96,6 +96,33 @@ LDO_IO1		: LDO		: ips-supply		: GPIO 1
 RTC_LDO		: LDO		: ips-supply		: always on
 DRIVEVBUS	: Enable output	: drivevbus-supply	: external regulator
 
+AXP803 regulators, type, and corresponding input supply names:
+
+Regulator	  Type		  Supply Name		  Notes
+---------	  ----		  -----------		  -----
+DCDC1		: DC-DC buck	: vin1-supply
+DCDC2		: DC-DC buck	: vin2-supply		: poly-phase capable
+DCDC3		: DC-DC	buck	: vin3-supply		: poly-phase capable
+DCDC4		: DC-DC	buck	: vin4-supply
+DCDC5		: DC-DC	buck	: vin5-supply		: poly-phase capable
+DCDC6		: DC-DC	buck	: vin6-supply		: poly-phase capable
+DC1SW		: On/Off Switch	:			: DCDC1 secondary output
+ALDO1		: LDO		: aldoin-supply		: shared supply
+ALDO2		: LDO		: aldoin-supply		: shared supply
+ALDO3		: LDO		: aldoin-supply		: shared supply
+DLDO1		: LDO		: dldoin-supply		: shared supply
+DLDO2		: LDO		: dldoin-supply		: shared supply
+DLDO3		: LDO		: dldoin-supply		: shared supply
+DLDO4		: LDO		: dldoin-supply		: shared supply
+ELDO1		: LDO		: eldoin-supply		: shared supply
+ELDO2		: LDO		: eldoin-supply		: shared supply
+ELDO3		: LDO		: eldoin-supply		: shared supply
+FLDO1		: LDO		: fldoin-supply		: shared supply
+FLDO2		: LDO		: fldoin-supply		: shared supply
+LDO_IO0		: LDO		: ips-supply		: GPIO 0
+LDO_IO1		: LDO		: ips-supply		: GPIO 1
+RTC_LDO		: LDO		: ips-supply		: always on
+
 AXP806 regulators, type, and corresponding input supply names:
 
 Regulator	  Type		  Supply Name		  Notes
-- 
2.12.2

[PATCH v3 08/12] regulator: axp20x-regulator: add support for AXP803

[Icenowy Zheng]

AXP803 PMIC also have a series of regulators (DCDCs and LDOs)
controllable via I2C/RSB bus.

Add support for them.

Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
---
Changes in v2:
- Place AXP803 codes before AXP806/809 ones.
- Fixed some errors in regulator description.
- Reuse AXP803 DLDO2 range for AXP806 CLDO2 & AXP809 DLDO1.

 drivers/regulator/axp20x-regulator.c | 153 ++++++++++++++++++++++++++++++-----
 include/linux/mfd/axp20x.h           |  37 +++++++++
 2 files changed, 168 insertions(+), 22 deletions(-)

diff --git a/drivers/regulator/axp20x-regulator.c b/drivers/regulator/axp20x-regulator.c
index 0b9d4e3e52c7..2ed15e4a7a82 100644
--- a/drivers/regulator/axp20x-regulator.c
+++ b/drivers/regulator/axp20x-regulator.c
@@ -244,6 +244,82 @@ static const struct regulator_desc axp22x_drivevbus_regulator = {
 	.ops		= &axp20x_ops_sw,
 };
 
+static const struct regulator_linear_range axp803_dcdc234_ranges[] = {
+	REGULATOR_LINEAR_RANGE(500000, 0x0, 0x46, 10000),
+	REGULATOR_LINEAR_RANGE(1220000, 0x47, 0x4b, 20000),
+};
+
+static const struct regulator_linear_range axp803_dcdc5_ranges[] = {
+	REGULATOR_LINEAR_RANGE(800000, 0x0, 0x20, 10000),
+	REGULATOR_LINEAR_RANGE(1140000, 0x21, 0x44, 20000),
+};
+
+static const struct regulator_linear_range axp803_dcdc6_ranges[] = {
+	REGULATOR_LINEAR_RANGE(600000, 0x0, 0x32, 10000),
+	REGULATOR_LINEAR_RANGE(1120000, 0x33, 0x47, 20000),
+};
+
+/* AXP806's CLDO2 and AXP809's DLDO1 shares the same range */
+static const struct regulator_linear_range axp803_dldo2_ranges[] = {
+	REGULATOR_LINEAR_RANGE(700000, 0x0, 0x1a, 100000),
+	REGULATOR_LINEAR_RANGE(3400000, 0x1b, 0x1f, 200000),
+};
+
+static const struct regulator_desc axp803_regulators[] = {
+	AXP_DESC(AXP803, DCDC1, "dcdc1", "vin1", 1600, 3400, 100,
+		 AXP803_DCDC1_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL1, BIT(0)),
+	AXP_DESC_RANGES(AXP803, DCDC2, "dcdc2", "vin2", axp803_dcdc234_ranges,
+			76, AXP803_DCDC2_V_OUT, 0x7f, AXP22X_PWR_OUT_CTRL1,
+			BIT(1)),
+	AXP_DESC_RANGES(AXP803, DCDC3, "dcdc3", "vin3", axp803_dcdc234_ranges,
+			76, AXP803_DCDC3_V_OUT, 0x7f, AXP22X_PWR_OUT_CTRL1,
+			BIT(2)),
+	AXP_DESC_RANGES(AXP803, DCDC4, "dcdc4", "vin4", axp803_dcdc234_ranges,
+			76, AXP803_DCDC4_V_OUT, 0x7f, AXP22X_PWR_OUT_CTRL1,
+			BIT(3)),
+	AXP_DESC_RANGES(AXP803, DCDC5, "dcdc5", "vin5", axp803_dcdc5_ranges,
+			68, AXP803_DCDC5_V_OUT, 0x7f, AXP22X_PWR_OUT_CTRL1,
+			BIT(4)),
+	AXP_DESC_RANGES(AXP803, DCDC6, "dcdc6", "vin6", axp803_dcdc6_ranges,
+			72, AXP803_DCDC6_V_OUT, 0x7f, AXP22X_PWR_OUT_CTRL1,
+			BIT(5)),
+	/* secondary switchable output of DCDC1 */
+	AXP_DESC_SW(AXP803, DC1SW, "dc1sw", NULL, AXP22X_PWR_OUT_CTRL2,
+		    BIT(7)),
+	AXP_DESC(AXP803, ALDO1, "aldo1", "aldoin", 700, 3300, 100,
+		 AXP22X_ALDO1_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL3, BIT(5)),
+	AXP_DESC(AXP803, ALDO2, "aldo2", "aldoin", 700, 3300, 100,
+		 AXP22X_ALDO2_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL3, BIT(6)),
+	AXP_DESC(AXP803, ALDO3, "aldo3", "aldoin", 700, 3300, 100,
+		 AXP22X_ALDO3_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL3, BIT(7)),
+	AXP_DESC(AXP803, DLDO1, "dldo1", "dldoin", 700, 3300, 100,
+		 AXP22X_DLDO1_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(3)),
+	AXP_DESC_RANGES(AXP803, DLDO2, "dldo2", "dldoin", axp803_dldo2_ranges,
+			32, AXP22X_DLDO2_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2,
+			BIT(4)),
+	AXP_DESC(AXP803, DLDO3, "dldo3", "dldoin", 700, 3300, 100,
+		 AXP22X_DLDO3_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(5)),
+	AXP_DESC(AXP803, DLDO4, "dldo4", "dldoin", 700, 3300, 100,
+		 AXP22X_DLDO4_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(6)),
+	AXP_DESC(AXP803, ELDO1, "eldo1", "eldoin", 700, 1900, 50,
+		 AXP22X_ELDO1_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(0)),
+	AXP_DESC(AXP803, ELDO2, "eldo2", "eldoin", 700, 1900, 50,
+		 AXP22X_ELDO2_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(1)),
+	AXP_DESC(AXP803, ELDO3, "eldo3", "eldoin", 700, 1900, 50,
+		 AXP22X_ELDO3_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(2)),
+	AXP_DESC(AXP803, FLDO1, "fldo1", "fldoin", 700, 1450, 50,
+		 AXP803_FLDO1_V_OUT, 0x0f, AXP22X_PWR_OUT_CTRL3, BIT(2)),
+	AXP_DESC(AXP803, FLDO2, "fldo2", "fldoin", 700, 1450, 50,
+		 AXP803_FLDO2_V_OUT, 0x0f, AXP22X_PWR_OUT_CTRL3, BIT(3)),
+	AXP_DESC_IO(AXP803, LDO_IO0, "ldo_io0", "ips", 700, 3300, 100,
+		    AXP22X_LDO_IO0_V_OUT, 0x1f, AXP20X_GPIO0_CTRL, 0x07,
+		    AXP22X_IO_ENABLED, AXP22X_IO_DISABLED),
+	AXP_DESC_IO(AXP803, LDO_IO1, "ldo_io1", "ips", 700, 3300, 100,
+		    AXP22X_LDO_IO1_V_OUT, 0x1f, AXP20X_GPIO1_CTRL, 0x07,
+		    AXP22X_IO_ENABLED, AXP22X_IO_DISABLED),
+	AXP_DESC_FIXED(AXP803, RTC_LDO, "rtc_ldo", "ips", 3000),
+};
+
 static const struct regulator_linear_range axp806_dcdca_ranges[] = {
 	REGULATOR_LINEAR_RANGE(600000, 0x0, 0x32, 10000),
 	REGULATOR_LINEAR_RANGE(1120000, 0x33, 0x47, 20000),
@@ -254,11 +330,6 @@ static const struct regulator_linear_range axp806_dcdcd_ranges[] = {
 	REGULATOR_LINEAR_RANGE(1600000, 0x2e, 0x3f, 100000),
 };
 
-static const struct regulator_linear_range axp806_cldo2_ranges[] = {
-	REGULATOR_LINEAR_RANGE(700000, 0x0, 0x1a, 100000),
-	REGULATOR_LINEAR_RANGE(3400000, 0x1b, 0x1f, 200000),
-};
-
 static const struct regulator_desc axp806_regulators[] = {
 	AXP_DESC_RANGES(AXP806, DCDCA, "dcdca", "vina", axp806_dcdca_ranges,
 			72, AXP806_DCDCA_V_CTRL, 0x7f, AXP806_PWR_OUT_CTRL1,
@@ -289,7 +360,7 @@ static const struct regulator_desc axp806_regulators[] = {
 		 AXP806_BLDO4_V_CTRL, 0x0f, AXP806_PWR_OUT_CTRL2, BIT(3)),
 	AXP_DESC(AXP806, CLDO1, "cldo1", "cldoin", 700, 3300, 100,
 		 AXP806_CLDO1_V_CTRL, 0x1f, AXP806_PWR_OUT_CTRL2, BIT(4)),
-	AXP_DESC_RANGES(AXP806, CLDO2, "cldo2", "cldoin", axp806_cldo2_ranges,
+	AXP_DESC_RANGES(AXP806, CLDO2, "cldo2", "cldoin", axp803_dldo2_ranges,
 			32, AXP806_CLDO2_V_CTRL, 0x1f, AXP806_PWR_OUT_CTRL2,
 			BIT(5)),
 	AXP_DESC(AXP806, CLDO3, "cldo3", "cldoin", 700, 3300, 100,
@@ -326,7 +397,7 @@ static const struct regulator_desc axp809_regulators[] = {
 		 AXP22X_ALDO2_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL1, BIT(7)),
 	AXP_DESC(AXP809, ALDO3, "aldo3", "aldoin", 700, 3300, 100,
 		 AXP22X_ALDO3_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(5)),
-	AXP_DESC_RANGES(AXP809, DLDO1, "dldo1", "dldoin", axp806_cldo2_ranges,
+	AXP_DESC_RANGES(AXP809, DLDO1, "dldo1", "dldoin", axp803_dldo2_ranges,
 			32, AXP22X_DLDO1_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2,
 			BIT(3)),
 	AXP_DESC(AXP809, DLDO2, "dldo2", "dldoin", 700, 3300, 100,
@@ -369,14 +440,21 @@ static int axp20x_set_dcdc_freq(struct platform_device *pdev, u32 dcdcfreq)
 		def = 1500;
 		step = 75;
 		break;
-	case AXP806_ID:
+	case AXP803_ID:
 		/*
-		 * AXP806 DCDC work frequency setting has the same range and
+		 * AXP803 DCDC work frequency setting has the same range and
 		 * step as AXP22X, but at a different register.
 		 * Fall through to the check below.
 		 * (See include/linux/mfd/axp20x.h)
 		 */
-		reg = AXP806_DCDC_FREQ_CTRL;
+		reg = AXP803_DCDC_FREQ_CTRL;
+	case AXP806_ID:
+		/*
+		 * AXP806 also have DCDC work frequency setting register at a
+		 * different position.
+		 */
+		if (axp20x->variant == AXP806_ID)
+			reg = AXP806_DCDC_FREQ_CTRL;
 	case AXP221_ID:
 	case AXP223_ID:
 	case AXP809_ID:
@@ -475,6 +553,14 @@ static int axp20x_set_dcdc_workmode(struct regulator_dev *rdev, int id, u32 work
 		workmode <<= id - AXP22X_DCDC1;
 		break;
 
+	case AXP803_ID:
+		if (id < AXP803_DCDC1 || id > AXP803_DCDC6)
+			return -EINVAL;
+
+		mask = AXP22X_WORKMODE_DCDCX_MASK(id - AXP803_DCDC1);
+		workmode <<= id - AXP803_DCDC1;
+		break;
+
 	default:
 		/* should not happen */
 		WARN_ON(1);
@@ -492,20 +578,38 @@ static bool axp20x_is_polyphase_slave(struct axp20x_dev *axp20x, int id)
 {
 	u32 reg = 0;
 
-	/* Only AXP806 has poly-phase outputs */
-	if (axp20x->variant != AXP806_ID)
-		return false;
+	/*
+	 * Currently in our supported AXP variants, only AXP806 and AXP803
+	 * have polyphase regulators.
+	 */
+	switch (axp20x->variant) {
+	case AXP803_ID:
+		regmap_read(axp20x->regmap, AXP803_POLYPHASE_CTRL, &reg);
+
+		switch (id) {
+		case AXP803_DCDC3:
+			return !!(reg & BIT(6));
+		case AXP803_DCDC6:
+			return !!(reg & BIT(7));
+		}
+		break;
 
-	regmap_read(axp20x->regmap, AXP806_DCDC_MODE_CTRL2, &reg);
+	case AXP806_ID:
+		regmap_read(axp20x->regmap, AXP806_DCDC_MODE_CTRL2, &reg);
+
+		switch (id) {
+		case AXP806_DCDCB:
+			return (((reg & GENMASK(7, 6)) == BIT(6)) ||
+				((reg & GENMASK(7, 6)) == BIT(7)));
+		case AXP806_DCDCC:
+			return ((reg & GENMASK(7, 6)) == BIT(7));
+		case AXP806_DCDCE:
+			return !!(reg & BIT(5));
+		}
+		break;
 
-	switch (id) {
-	case AXP806_DCDCB:
-		return (((reg & GENMASK(7, 6)) == BIT(6)) ||
-			((reg & GENMASK(7, 6)) == BIT(7)));
-	case AXP806_DCDCC:
-		return ((reg & GENMASK(7, 6)) == BIT(7));
-	case AXP806_DCDCE:
-		return !!(reg & BIT(5));
+	default:
+		return false;
 	}
 
 	return false;
@@ -540,6 +644,10 @@ static int axp20x_regulator_probe(struct platform_device *pdev)
 		drivevbus = of_property_read_bool(pdev->dev.parent->of_node,
 						  "x-powers,drive-vbus-en");
 		break;
+	case AXP803_ID:
+		regulators = axp803_regulators;
+		nregulators = AXP803_REG_ID_MAX;
+		break;
 	case AXP806_ID:
 		regulators = axp806_regulators;
 		nregulators = AXP806_REG_ID_MAX;
@@ -579,6 +687,7 @@ static int axp20x_regulator_probe(struct platform_device *pdev)
 		 * name.
 		 */
 		if ((regulators == axp22x_regulators && i == AXP22X_DC1SW) ||
+		    (regulators == axp803_regulators && i == AXP803_DC1SW) ||
 		    (regulators == axp809_regulators && i == AXP809_DC1SW)) {
 			new_desc = devm_kzalloc(&pdev->dev, sizeof(*desc),
 						GFP_KERNEL);
diff --git a/include/linux/mfd/axp20x.h b/include/linux/mfd/axp20x.h
index cde56cfe8446..965b027e31b3 100644
--- a/include/linux/mfd/axp20x.h
+++ b/include/linux/mfd/axp20x.h
@@ -119,6 +119,17 @@ enum axp20x_variants {
 #define AXP806_BUS_ADDR_EXT		0xfe
 #define AXP806_REG_ADDR_EXT		0xff
 
+#define AXP803_POLYPHASE_CTRL		0x14
+#define AXP803_FLDO1_V_OUT		0x1c
+#define AXP803_FLDO2_V_OUT		0x1d
+#define AXP803_DCDC1_V_OUT		0x20
+#define AXP803_DCDC2_V_OUT		0x21
+#define AXP803_DCDC3_V_OUT		0x22
+#define AXP803_DCDC4_V_OUT		0x23
+#define AXP803_DCDC5_V_OUT		0x24
+#define AXP803_DCDC6_V_OUT		0x25
+#define AXP803_DCDC_FREQ_CTRL		0x3b
+
 /* Interrupt */
 #define AXP152_IRQ1_EN			0x40
 #define AXP152_IRQ2_EN			0x41
@@ -350,6 +361,32 @@ enum {
 	AXP809_REG_ID_MAX,
 };
 
+enum {
+	AXP803_DCDC1 = 0,
+	AXP803_DCDC2,
+	AXP803_DCDC3,
+	AXP803_DCDC4,
+	AXP803_DCDC5,
+	AXP803_DCDC6,
+	AXP803_DC1SW,
+	AXP803_ALDO1,
+	AXP803_ALDO2,
+	AXP803_ALDO3,
+	AXP803_DLDO1,
+	AXP803_DLDO2,
+	AXP803_DLDO3,
+	AXP803_DLDO4,
+	AXP803_ELDO1,
+	AXP803_ELDO2,
+	AXP803_ELDO3,
+	AXP803_FLDO1,
+	AXP803_FLDO2,
+	AXP803_RTC_LDO,
+	AXP803_LDO_IO0,
+	AXP803_LDO_IO1,
+	AXP803_REG_ID_MAX,
+};
+
 /* IRQs */
 enum {
 	AXP152_IRQ_LDO0IN_CONNECT = 1,
-- 
2.12.2

[PATCH v3 09/12] mfd: axp20x: add axp20x-regulator cell for AXP803

[Icenowy Zheng]

As axp20x-regulator now supports AXP803, add a cell for it.

Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
---
Changes in v3:
- Make the new cell one-liner.

 drivers/mfd/axp20x.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/mfd/axp20x.c b/drivers/mfd/axp20x.c
index 1dc6235778eb..431b7f118606 100644
--- a/drivers/mfd/axp20x.c
+++ b/drivers/mfd/axp20x.c
@@ -848,7 +848,8 @@ static struct mfd_cell axp803_cells[] = {
 		.name			= "axp20x-pek",
 		.num_resources		= ARRAY_SIZE(axp803_pek_resources),
 		.resources		= axp803_pek_resources,
-	}
+	},
+	{	.name			= "axp20x-regulator" }
 };
 
 static struct mfd_cell axp806_cells[] = {
-- 
2.12.2

[PATCH v3 10/12] arm64: allwinner: a64: add DTSI file for AXP803 PMIC

[Icenowy Zheng]

As nearly all A64 boards are using AXP803 PMIC, add a DTSI file for it,
like the old DTSI files for AXP20x/22x, for the common parts of the
PMIC.

Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
---
 arch/arm64/boot/dts/allwinner/axp803.dtsi | 150 ++++++++++++++++++++++++++++++
 1 file changed, 150 insertions(+)
 create mode 100644 arch/arm64/boot/dts/allwinner/axp803.dtsi

diff --git a/arch/arm64/boot/dts/allwinner/axp803.dtsi b/arch/arm64/boot/dts/allwinner/axp803.dtsi
new file mode 100644
index 000000000000..f0e53a7fffbd
--- /dev/null
+++ b/arch/arm64/boot/dts/allwinner/axp803.dtsi
@@ -0,0 +1,150 @@
+/*
+ * Copyright 2017 Icenowy Zheng <icenowy@aosc.xyz>
+ *
+ * This file is dual-licensed: you can use it either under the terms
+ * of the GPL or the X11 license, at your option. Note that this dual
+ * licensing only applies to this file, and not this project as a
+ * whole.
+ *
+ *  a) This file 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.
+ *
+ *     This file is distributed in the hope that it will be useful,
+ *     but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *     GNU General Public License for more details.
+ *
+ * Or, alternatively,
+ *
+ *  b) Permission is hereby granted, free of charge, to any person
+ *     obtaining a copy of this software and associated documentation
+ *     files (the "Software"), to deal in the Software without
+ *     restriction, including without limitation the rights to use,
+ *     copy, modify, merge, publish, distribute, sublicense, and/or
+ *     sell copies of the Software, and to permit persons to whom the
+ *     Software is furnished to do so, subject to the following
+ *     conditions:
+ *
+ *     The above copyright notice and this permission notice shall be
+ *     included in all copies or substantial portions of the Software.
+ *
+ *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+ *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+ *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ *     OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/*
+ * AXP803 Integrated Power Management Chip
+ * http://files.pine64.org/doc/datasheet/pine64/AXP803_Datasheet_V1.0.pdf
+ */
+
+&axp803 {
+	interrupt-controller;
+	#interrupt-cells = <1>;
+
+	regulators {
+		/* Default work frequency for buck regulators */
+		x-powers,dcdc-freq = <3000>;
+
+		reg_dcdc1: dcdc1 {
+			regulator-name = "dcdc1";
+		};
+
+		reg_dcdc2: dcdc2 {
+			regulator-name = "dcdc2";
+		};
+
+		reg_dcdc3: dcdc3 {
+			regulator-name = "dcdc3";
+		};
+
+		reg_dcdc4: dcdc4 {
+			regulator-name = "dcdc4";
+		};
+
+		reg_dcdc5: dcdc5 {
+			regulator-name = "dcdc5";
+		};
+
+		reg_dcdc6: dcdc6 {
+			regulator-name = "dcdc6";
+		};
+
+		reg_dc1sw: dc1sw {
+			regulator-name = "dc1sw";
+		};
+
+		reg_aldo1: aldo1 {
+			regulator-name = "aldo1";
+		};
+
+		reg_aldo2: aldo2 {
+			regulator-name = "aldo2";
+		};
+
+		reg_aldo3: aldo3 {
+			regulator-name = "aldo3";
+		};
+
+		reg_dldo1: dldo1 {
+			regulator-name = "dldo1";
+		};
+
+		reg_dldo2: dldo2 {
+			regulator-name = "dldo2";
+		};
+
+		reg_dldo3: dldo3 {
+			regulator-name = "dldo3";
+		};
+
+		reg_dldo4: dldo4 {
+			regulator-name = "dldo4";
+		};
+
+		reg_eldo1: eldo1 {
+			regulator-name = "eldo1";
+		};
+
+		reg_eldo2: eldo2 {
+			regulator-name = "eldo2";
+		};
+
+		reg_eldo3: eldo3 {
+			regulator-name = "eldo3";
+		};
+
+		reg_fldo1: fldo1 {
+			regulator-name = "fldo1";
+		};
+
+		reg_fldo2: fldo2 {
+			regulator-name = "fldo2";
+		};
+
+		reg_ldo_io0: ldo_io0 {
+			regulator-name = "ldo_io0";
+			status = "disabled";
+		};
+
+		reg_ldo_io1: ldo_io1 {
+			regulator-name = "ldo_io1";
+			status = "disabled";
+		};
+
+		reg_rtc_ldo: rtc_ldo {
+			/* RTC_LDO is a fixed, always-on regulator */
+			regulator-always-on;
+			regulator-min-microvolt = <3000000>;
+			regulator-max-microvolt = <3000000>;
+			regulator-name = "rtc_ldo";
+		};
+	};
+};
-- 
2.12.2

[PATCH v3 11/12] arm64: allwinner: a64: enable AXP803 regulators for Pine64

[Icenowy Zheng]

Add support of AXP803 regulators in the Pine64 device tree, in order to
enable many future functionalities, e.g. Wi-Fi.

Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
---
 .../arm64/boot/dts/allwinner/sun50i-a64-pine64.dts | 109 +++++++++++++++++++++
 1 file changed, 109 insertions(+)

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64.dts
index 2132d8e6cb3d..7da074f95065 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64.dts
@@ -106,6 +106,115 @@
 	};
 };
 
+#include "axp803.dtsi"
+
+&reg_aldo1 {
+	regulator-min-microvolt = <2800000>;
+	regulator-max-microvolt = <2800000>;
+	regulator-name = "vcc-csi";
+};
+
+&reg_aldo2 {
+	regulator-always-on;
+	regulator-min-microvolt = <1800000>;
+	regulator-max-microvolt = <3300000>;
+	regulator-name = "vcc-pl";
+};
+
+&reg_aldo3 {
+	regulator-always-on;
+	regulator-min-microvolt = <2700000>;
+	regulator-max-microvolt = <3300000>;
+	regulator-name = "vcc-pll-avcc";
+};
+
+&reg_dc1sw {
+	regulator-name = "vcc-phy";
+};
+
+&reg_dcdc1 {
+	regulator-always-on;
+	regulator-min-microvolt = <3300000>;
+	regulator-max-microvolt = <3300000>;
+	regulator-name = "vcc-3v3";
+};
+
+&reg_dcdc2 {
+	regulator-always-on;
+	regulator-min-microvolt = <1000000>;
+	regulator-max-microvolt = <1300000>;
+	regulator-name = "vdd-cpux";
+};
+
+/* DCDC3 is polyphased with DCDC2 */
+
+&reg_dcdc5 {
+	regulator-always-on;
+	regulator-min-microvolt = <1500000>;
+	regulator-max-microvolt = <1500000>;
+	regulator-name = "vcc-dram";
+};
+
+&reg_dcdc6 {
+	regulator-always-on;
+	regulator-min-microvolt = <1100000>;
+	regulator-max-microvolt = <1100000>;
+	regulator-name = "vdd-sys";
+};
+
+&reg_dldo1 {
+	regulator-min-microvolt = <3300000>;
+	regulator-max-microvolt = <3300000>;
+	regulator-name = "vcc-hdmi";
+};
+
+&reg_dldo2 {
+	regulator-min-microvolt = <3300000>;
+	regulator-max-microvolt = <3300000>;
+	regulator-name = "vcc-mipi";
+};
+
+&reg_dldo3 {
+	regulator-min-microvolt = <3300000>;
+	regulator-max-microvolt = <3300000>;
+	regulator-name = "avdd-csi";
+};
+
+&reg_dldo4 {
+	regulator-min-microvolt = <3300000>;
+	regulator-max-microvolt = <3300000>;
+	regulator-name = "vcc-wifi";
+};
+
+&reg_eldo1 {
+	regulator-min-microvolt = <1800000>;
+	regulator-max-microvolt = <1800000>;
+	regulator-name = "cpvdd";
+};
+
+&reg_eldo3 {
+	regulator-min-microvolt = <1800000>;
+	regulator-max-microvolt = <1800000>;
+	regulator-name = "vdd-1v8-csi";
+};
+
+&reg_fldo1 {
+	regulator-min-microvolt = <1200000>;
+	regulator-max-microvolt = <1200000>;
+	regulator-name = "vcc-1v2-hsic";
+};
+
+&reg_fldo2 {
+	regulator-always-on;
+	regulator-min-microvolt = <1100000>;
+	regulator-max-microvolt = <1100000>;
+	regulator-name = "vdd-cpus";
+};
+
+&reg_rtc_ldo {
+	regulator-name = "vcc-rtc";
+};
+
 &uart0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&uart0_pins_a>;
-- 
2.12.2

[PATCH v3 12/12] arm64: allwinner: a64: enable Wi-Fi for Pine64

[Icenowy Zheng]

The Wi-Fi module of Pine64 is powered via DLDO4 and ELDO1 (the latter
one provides I/O voltage).

Add device node for it.

Although the Wi-Fi module is an external module which should be inserted
to a header, according to my personal talk with TL Lim, he does not want
this header to be used as GPIO (so it's with 2.0mm pitch, not 2.54mm as
other GPIO headers).

Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
---
Changes in v3:
- Added explaination on 2.0mm pitch.

 arch/arm64/boot/dts/allwinner/sun50i-a64-pine64.dts | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64.dts
index 7da074f95065..9d90bb32aa87 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64.dts
@@ -64,6 +64,11 @@
 		regulator-min-microvolt = <3300000>;
 		regulator-max-microvolt = <3300000>;
 	};
+
+	wifi_pwrseq: wifi_pwrseq {
+		compatible = "mmc-pwrseq-simple";
+		reset-gpios = <&r_pio 0 2 GPIO_ACTIVE_LOW>; /* PL2 */
+	};
 };
 
 &ehci1 {
@@ -91,6 +96,17 @@
 	status = "okay";
 };
 
+&mmc1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&mmc1_pins>;
+	vmmc-supply = <&reg_dldo4>;
+	vqmmc-supply = <&reg_eldo1>;
+	mmc-pwrseq = <&wifi_pwrseq>;
+	non-removable;
+	bus-width = <4>;
+	status = "okay";
+};
+
 &ohci1 {
 	status = "okay";
 };
-- 
2.12.2

Re: [PATCH v3 01/12] arm64: allwinner: a64: enable RSB on A64

[Maxime Ripard]

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On Mon, Apr 17, 2017 at 07:57:36PM +0800, Icenowy Zheng wrote:
> Allwinner A64 have a RSB controller like the one on A23/A33 SoCs.
> 
> Add it and its pinmux.
> 
> Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
> Acked-by: Chen-Yu Tsai <wens@csie.org>

Applied, thanks!
Maxime

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

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Re: [PATCH v3 02/12] arm64: allwinner: a64: add NMI controller on A64

[Maxime Ripard]

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On Mon, Apr 17, 2017 at 07:57:37PM +0800, Icenowy Zheng wrote:
> Allwinner A64 SoC features a NMI controller, which is usually connected
> to the AXP PMIC.
> 
> Add support for it.
> 
> Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
> Acked-by: Chen-Yu Tsai <wens@csie.org>
> ---
> Changes in v2:
> - Added Chen-Yu's ACK.
> 
>  arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
> index 05ec9fc5e81f..53c18ca372ea 100644
> --- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
> +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
> @@ -403,6 +403,14 @@
>  				     <GIC_SPI 41 IRQ_TYPE_LEVEL_HIGH>;
>  		};
>  
> +		nmi_intc: interrupt-controller@01f00c0c {
> +			compatible = "allwinner,sun6i-a31-sc-nmi";
> +			interrupt-controller;
> +			#interrupt-cells = <2>;
> +			reg = <0x01f00c0c 0x38>;

The base address is not correct, and there's uncertainty on whether
this is this particular controller or not. Did you even test this?

Maxime

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

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Re: [PATCH v3 10/12] arm64: allwinner: a64: add DTSI file for AXP803 PMIC

[Maxime Ripard]

[-- Attachment #1: Type: text/plain, Size: 4091 bytes --]

On Mon, Apr 17, 2017 at 07:57:45PM +0800, Icenowy Zheng wrote:
> As nearly all A64 boards are using AXP803 PMIC, add a DTSI file for it,
> like the old DTSI files for AXP20x/22x, for the common parts of the
> PMIC.
> 
> Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
> ---
>  arch/arm64/boot/dts/allwinner/axp803.dtsi | 150 ++++++++++++++++++++++++++++++
>  1 file changed, 150 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/allwinner/axp803.dtsi
> 
> diff --git a/arch/arm64/boot/dts/allwinner/axp803.dtsi b/arch/arm64/boot/dts/allwinner/axp803.dtsi
> new file mode 100644
> index 000000000000..f0e53a7fffbd
> --- /dev/null
> +++ b/arch/arm64/boot/dts/allwinner/axp803.dtsi
> @@ -0,0 +1,150 @@
> +/*
> + * Copyright 2017 Icenowy Zheng <icenowy@aosc.xyz>
> + *
> + * This file is dual-licensed: you can use it either under the terms
> + * of the GPL or the X11 license, at your option. Note that this dual
> + * licensing only applies to this file, and not this project as a
> + * whole.
> + *
> + *  a) This file 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.
> + *
> + *     This file is distributed in the hope that it will be useful,
> + *     but WITHOUT ANY WARRANTY; without even the implied warranty of
> + *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
> + *     GNU General Public License for more details.
> + *
> + * Or, alternatively,
> + *
> + *  b) Permission is hereby granted, free of charge, to any person
> + *     obtaining a copy of this software and associated documentation
> + *     files (the "Software"), to deal in the Software without
> + *     restriction, including without limitation the rights to use,
> + *     copy, modify, merge, publish, distribute, sublicense, and/or
> + *     sell copies of the Software, and to permit persons to whom the
> + *     Software is furnished to do so, subject to the following
> + *     conditions:
> + *
> + *     The above copyright notice and this permission notice shall be
> + *     included in all copies or substantial portions of the Software.
> + *
> + *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
> + *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
> + *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
> + *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
> + *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
> + *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
> + *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
> + *     OTHER DEALINGS IN THE SOFTWARE.
> + */
> +
> +/*
> + * AXP803 Integrated Power Management Chip
> + * http://files.pine64.org/doc/datasheet/pine64/AXP803_Datasheet_V1.0.pdf
> + */
> +
> +&axp803 {
> +	interrupt-controller;
> +	#interrupt-cells = <1>;
> +
> +	regulators {
> +		/* Default work frequency for buck regulators */
> +		x-powers,dcdc-freq = <3000>;
> +
> +		reg_dcdc1: dcdc1 {
> +			regulator-name = "dcdc1";
> +		};
> +
> +		reg_dcdc2: dcdc2 {
> +			regulator-name = "dcdc2";
> +		};
> +
> +		reg_dcdc3: dcdc3 {
> +			regulator-name = "dcdc3";
> +		};
> +
> +		reg_dcdc4: dcdc4 {
> +			regulator-name = "dcdc4";
> +		};
> +
> +		reg_dcdc5: dcdc5 {
> +			regulator-name = "dcdc5";
> +		};
> +
> +		reg_dcdc6: dcdc6 {
> +			regulator-name = "dcdc6";
> +		};
> +
> +		reg_dc1sw: dc1sw {
> +			regulator-name = "dc1sw";
> +		};
> +
> +		reg_aldo1: aldo1 {
> +			regulator-name = "aldo1";
> +		};
> +
> +		reg_aldo2: aldo2 {
> +			regulator-name = "aldo2";
> +		};
> +
> +		reg_aldo3: aldo3 {
> +			regulator-name = "aldo3";
> +		};

Please sort them by alphabetical order.

Thanks!
Maxime

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

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Re: [linux-sunxi] [PATCH v3 10/12] arm64: allwinner: a64: add DTSI file for AXP803 PMIC

[Chen-Yu Tsai]

Hi,

On Mon, Apr 17, 2017 at 7:57 PM, Icenowy Zheng <icenowy@aosc.io> wrote:
> As nearly all A64 boards are using AXP803 PMIC, add a DTSI file for it,
> like the old DTSI files for AXP20x/22x, for the common parts of the
> PMIC.
>
> Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
> ---
>  arch/arm64/boot/dts/allwinner/axp803.dtsi | 150 ++++++++++++++++++++++++++++++
>  1 file changed, 150 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/allwinner/axp803.dtsi
>
> diff --git a/arch/arm64/boot/dts/allwinner/axp803.dtsi b/arch/arm64/boot/dts/allwinner/axp803.dtsi
> new file mode 100644
> index 000000000000..f0e53a7fffbd
> --- /dev/null
> +++ b/arch/arm64/boot/dts/allwinner/axp803.dtsi
> @@ -0,0 +1,150 @@
> +/*
> + * Copyright 2017 Icenowy Zheng <icenowy@aosc.xyz>
> + *
> + * This file is dual-licensed: you can use it either under the terms
> + * of the GPL or the X11 license, at your option. Note that this dual
> + * licensing only applies to this file, and not this project as a
> + * whole.
> + *
> + *  a) This file 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.
> + *
> + *     This file is distributed in the hope that it will be useful,
> + *     but WITHOUT ANY WARRANTY; without even the implied warranty of
> + *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
> + *     GNU General Public License for more details.
> + *
> + * Or, alternatively,
> + *
> + *  b) Permission is hereby granted, free of charge, to any person
> + *     obtaining a copy of this software and associated documentation
> + *     files (the "Software"), to deal in the Software without
> + *     restriction, including without limitation the rights to use,
> + *     copy, modify, merge, publish, distribute, sublicense, and/or
> + *     sell copies of the Software, and to permit persons to whom the
> + *     Software is furnished to do so, subject to the following
> + *     conditions:
> + *
> + *     The above copyright notice and this permission notice shall be
> + *     included in all copies or substantial portions of the Software.
> + *
> + *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
> + *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
> + *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
> + *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
> + *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
> + *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
> + *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
> + *     OTHER DEALINGS IN THE SOFTWARE.
> + */
> +
> +/*
> + * AXP803 Integrated Power Management Chip
> + * http://files.pine64.org/doc/datasheet/pine64/AXP803_Datasheet_V1.0.pdf
> + */
> +
> +&axp803 {
> +       interrupt-controller;
> +       #interrupt-cells = <1>;
> +
> +       regulators {
> +               /* Default work frequency for buck regulators */
> +               x-powers,dcdc-freq = <3000>;
> +
> +               reg_dcdc1: dcdc1 {
> +                       regulator-name = "dcdc1";
> +               };
> +
> +               reg_dcdc2: dcdc2 {
> +                       regulator-name = "dcdc2";
> +               };
> +
> +               reg_dcdc3: dcdc3 {
> +                       regulator-name = "dcdc3";
> +               };
> +
> +               reg_dcdc4: dcdc4 {
> +                       regulator-name = "dcdc4";
> +               };
> +
> +               reg_dcdc5: dcdc5 {
> +                       regulator-name = "dcdc5";
> +               };
> +
> +               reg_dcdc6: dcdc6 {
> +                       regulator-name = "dcdc6";
> +               };
> +
> +               reg_dc1sw: dc1sw {
> +                       regulator-name = "dc1sw";
> +               };
> +
> +               reg_aldo1: aldo1 {
> +                       regulator-name = "aldo1";
> +               };
> +
> +               reg_aldo2: aldo2 {
> +                       regulator-name = "aldo2";
> +               };
> +
> +               reg_aldo3: aldo3 {
> +                       regulator-name = "aldo3";
> +               };
> +
> +               reg_dldo1: dldo1 {
> +                       regulator-name = "dldo1";
> +               };
> +
> +               reg_dldo2: dldo2 {
> +                       regulator-name = "dldo2";
> +               };
> +
> +               reg_dldo3: dldo3 {
> +                       regulator-name = "dldo3";
> +               };
> +
> +               reg_dldo4: dldo4 {
> +                       regulator-name = "dldo4";
> +               };
> +
> +               reg_eldo1: eldo1 {
> +                       regulator-name = "eldo1";
> +               };
> +
> +               reg_eldo2: eldo2 {
> +                       regulator-name = "eldo2";
> +               };
> +
> +               reg_eldo3: eldo3 {
> +                       regulator-name = "eldo3";
> +               };
> +
> +               reg_fldo1: fldo1 {
> +                       regulator-name = "fldo1";
> +               };
> +
> +               reg_fldo2: fldo2 {
> +                       regulator-name = "fldo2";
> +               };
> +
> +               reg_ldo_io0: ldo_io0 {
> +                       regulator-name = "ldo_io0";

Please use hyphens instead of underscores for the node name,
and preferably, for the regulator name as well.

ChenYu

Re: [linux-sunxi] [PATCH v3 03/12] dt-bindings: make AXP20X compatible strings one per line

[Chen-Yu Tsai]

On Mon, Apr 17, 2017 at 7:57 PM, Icenowy Zheng <icenowy@aosc.io> wrote:
> In the binding documentation of AXP20X mfd, the compatible strings used
> to be listed for three per line, which leads to some mess when trying to
> add AXP803 compatible string (as we have already AXP806 and AXP809
> compatibles, which is after AXP803 in ascending order).
>
> Make the compatible strings one per line, so that inserting a new
> compatible string will be directly a new line.
>
> Signed-off-by: Icenowy Zheng <icenowy@aosc.io>

Acked-by: Chen-Yu Tsai <wens@csie.org>

Re: [linux-sunxi] [PATCH v3 07/12] dt-bindings: add AXP803's regulator info

[Chen-Yu Tsai]

On Mon, Apr 17, 2017 at 7:57 PM, Icenowy Zheng <icenowy@aosc.io> wrote:
> AXP803 have the most regulators in currently supported AXP PMICs.
>
> Add info for the regulators in the dt-bindings document.
>
> Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
> Acked-by: Rob Herring <robh@kernel.org>

Acked-by: Chen-Yu Tsai <wens@csie.org>

Re: [linux-sunxi] [PATCH v3 09/12] mfd: axp20x: add axp20x-regulator cell for AXP803

[Chen-Yu Tsai]

On Mon, Apr 17, 2017 at 7:57 PM, Icenowy Zheng <icenowy@aosc.io> wrote:
> As axp20x-regulator now supports AXP803, add a cell for it.
>
> Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
> ---
> Changes in v3:
> - Make the new cell one-liner.
>
>  drivers/mfd/axp20x.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/mfd/axp20x.c b/drivers/mfd/axp20x.c
> index 1dc6235778eb..431b7f118606 100644
> --- a/drivers/mfd/axp20x.c
> +++ b/drivers/mfd/axp20x.c
> @@ -848,7 +848,8 @@ static struct mfd_cell axp803_cells[] = {
>                 .name                   = "axp20x-pek",
>                 .num_resources          = ARRAY_SIZE(axp803_pek_resources),
>                 .resources              = axp803_pek_resources,
> -       }
> +       },
> +       {       .name                   = "axp20x-regulator" }

It's best to have a trailing comma, so we don't have to change the line
again when we add more cells, like you just did with the previous line.

Otherwise,

Acked-by: Chen-Yu Tsai <wens@csie.org>

Re: [linux-sunxi] [PATCH v3 09/12] mfd: axp20x: add axp20x-regulator cell for AXP803

[Icenowy Zheng]

于 2017年4月18日 GMT+08:00 下午6:38:09, Chen-Yu Tsai <wens@csie.org> 写到:
>On Mon, Apr 17, 2017 at 7:57 PM, Icenowy Zheng <icenowy@aosc.io> wrote:
>> As axp20x-regulator now supports AXP803, add a cell for it.
>>
>> Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
>> ---
>> Changes in v3:
>> - Make the new cell one-liner.
>>
>>  drivers/mfd/axp20x.c | 3 ++-
>>  1 file changed, 2 insertions(+), 1 deletion(-)
>>
>> diff --git a/drivers/mfd/axp20x.c b/drivers/mfd/axp20x.c
>> index 1dc6235778eb..431b7f118606 100644
>> --- a/drivers/mfd/axp20x.c
>> +++ b/drivers/mfd/axp20x.c
>> @@ -848,7 +848,8 @@ static struct mfd_cell axp803_cells[] = {
>>                 .name                   = "axp20x-pek",
>>                 .num_resources          =
>ARRAY_SIZE(axp803_pek_resources),
>>                 .resources              = axp803_pek_resources,
>> -       }
>> +       },
>> +       {       .name                   = "axp20x-regulator" }
>
>It's best to have a trailing comma, so we don't have to change the line
>again when we add more cells, like you just did with the previous line.

Should I also add it in previous mfd patch? (and remove the addition of the comma in this patch)

>
>Otherwise,
>
>Acked-by: Chen-Yu Tsai <wens@csie.org>

Re: [linux-sunxi] Re: [PATCH v3 02/12] arm64: allwinner: a64: add NMI controller on A64

[Icenowy Zheng]

于 2017年4月18日 GMT+08:00 下午3:00:16, Maxime Ripard <maxime.ripard@free-electrons.com> 写到:
>On Mon, Apr 17, 2017 at 07:57:37PM +0800, Icenowy Zheng wrote:
>> Allwinner A64 SoC features a NMI controller, which is usually
>connected
>> to the AXP PMIC.
>> 
>> Add support for it.
>> 
>> Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
>> Acked-by: Chen-Yu Tsai <wens@csie.org>
>> ---
>> Changes in v2:
>> - Added Chen-Yu's ACK.
>> 
>>  arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | 8 ++++++++
>>  1 file changed, 8 insertions(+)
>> 
>> diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
>b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
>> index 05ec9fc5e81f..53c18ca372ea 100644
>> --- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
>> +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
>> @@ -403,6 +403,14 @@
>>  				     <GIC_SPI 41 IRQ_TYPE_LEVEL_HIGH>;
>>  		};
>>  
>> +		nmi_intc: interrupt-controller@01f00c0c {
>> +			compatible = "allwinner,sun6i-a31-sc-nmi";
>> +			interrupt-controller;
>> +			#interrupt-cells = <2>;
>> +			reg = <0x01f00c0c 0x38>;
>
>The base address is not correct, and there's uncertainty on whether
>this is this particular controller or not. Did you even test this?

Tested by axp20x-pek.

>
>Maxime

Re: [linux-sunxi] [PATCH v3 09/12] mfd: axp20x: add axp20x-regulator cell for AXP803

[Chen-Yu Tsai]

On Tue, Apr 18, 2017 at 6:55 PM, Icenowy Zheng <icenowy@aosc.io> wrote:
>
>
> 于 2017年4月18日 GMT+08:00 下午6:38:09, Chen-Yu Tsai <wens@csie.org> 写到:
>>On Mon, Apr 17, 2017 at 7:57 PM, Icenowy Zheng <icenowy@aosc.io> wrote:
>>> As axp20x-regulator now supports AXP803, add a cell for it.
>>>
>>> Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
>>> ---
>>> Changes in v3:
>>> - Make the new cell one-liner.
>>>
>>>  drivers/mfd/axp20x.c | 3 ++-
>>>  1 file changed, 2 insertions(+), 1 deletion(-)
>>>
>>> diff --git a/drivers/mfd/axp20x.c b/drivers/mfd/axp20x.c
>>> index 1dc6235778eb..431b7f118606 100644
>>> --- a/drivers/mfd/axp20x.c
>>> +++ b/drivers/mfd/axp20x.c
>>> @@ -848,7 +848,8 @@ static struct mfd_cell axp803_cells[] = {
>>>                 .name                   = "axp20x-pek",
>>>                 .num_resources          =
>>ARRAY_SIZE(axp803_pek_resources),
>>>                 .resources              = axp803_pek_resources,
>>> -       }
>>> +       },
>>> +       {       .name                   = "axp20x-regulator" }
>>
>>It's best to have a trailing comma, so we don't have to change the line
>>again when we add more cells, like you just did with the previous line.
>
> Should I also add it in previous mfd patch? (and remove the addition of the comma in this patch)

Since Lee already said he merged it, I suggest you keep it the way it is,
unless he says otherwise. Or your new patches might not apply correctly,
and you waste time doing one more round.

Maintainers don't always push the latest branches, for a number of reasons.
Sometimes it's because the merge window is closed, and you're not supposed
to put anything that's not for the next release into -next. Other times it
might because they are still working through their backlog. Or they may
have just forgotten.

ChenYu

Re: [linux-sunxi] [PATCH v3 08/12] regulator: axp20x-regulator: add support for AXP803

[Chen-Yu Tsai]

On Mon, Apr 17, 2017 at 7:57 PM, Icenowy Zheng <icenowy@aosc.io> wrote:
> AXP803 PMIC also have a series of regulators (DCDCs and LDOs)
> controllable via I2C/RSB bus.
>
> Add support for them.
>
> Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
> ---
> Changes in v2:
> - Place AXP803 codes before AXP806/809 ones.
> - Fixed some errors in regulator description.
> - Reuse AXP803 DLDO2 range for AXP806 CLDO2 & AXP809 DLDO1.
>
>  drivers/regulator/axp20x-regulator.c | 153 ++++++++++++++++++++++++++++++-----
>  include/linux/mfd/axp20x.h           |  37 +++++++++
>  2 files changed, 168 insertions(+), 22 deletions(-)
>
> diff --git a/drivers/regulator/axp20x-regulator.c b/drivers/regulator/axp20x-regulator.c
> index 0b9d4e3e52c7..2ed15e4a7a82 100644
> --- a/drivers/regulator/axp20x-regulator.c
> +++ b/drivers/regulator/axp20x-regulator.c

[...]

> @@ -492,20 +578,38 @@ static bool axp20x_is_polyphase_slave(struct axp20x_dev *axp20x, int id)
>  {
>         u32 reg = 0;
>
> -       /* Only AXP806 has poly-phase outputs */
> -       if (axp20x->variant != AXP806_ID)
> -               return false;
> +       /*
> +        * Currently in our supported AXP variants, only AXP806 and AXP803

Nit: mention them in ascending order.

Otherwise,

Acked-by: Chen-Yu Tsai <wens@csie.org>

Re: [linux-sunxi] Re: [PATCH v3 02/12] arm64: allwinner: a64: add NMI controller on A64

[Maxime Ripard]

[-- Attachment #1: Type: text/plain, Size: 1679 bytes --]

On Tue, Apr 18, 2017 at 06:56:43PM +0800, Icenowy Zheng wrote:
> 
> 
> 于 2017年4月18日 GMT+08:00 下午3:00:16, Maxime Ripard <maxime.ripard@free-electrons.com> 写到:
> >On Mon, Apr 17, 2017 at 07:57:37PM +0800, Icenowy Zheng wrote:
> >> Allwinner A64 SoC features a NMI controller, which is usually
> >connected
> >> to the AXP PMIC.
> >> 
> >> Add support for it.
> >> 
> >> Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
> >> Acked-by: Chen-Yu Tsai <wens@csie.org>
> >> ---
> >> Changes in v2:
> >> - Added Chen-Yu's ACK.
> >> 
> >>  arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | 8 ++++++++
> >>  1 file changed, 8 insertions(+)
> >> 
> >> diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
> >b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
> >> index 05ec9fc5e81f..53c18ca372ea 100644
> >> --- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
> >> +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
> >> @@ -403,6 +403,14 @@
> >>  				     <GIC_SPI 41 IRQ_TYPE_LEVEL_HIGH>;
> >>  		};
> >>  
> >> +		nmi_intc: interrupt-controller@01f00c0c {
> >> +			compatible = "allwinner,sun6i-a31-sc-nmi";
> >> +			interrupt-controller;
> >> +			#interrupt-cells = <2>;
> >> +			reg = <0x01f00c0c 0x38>;
> >
> >The base address is not correct, and there's uncertainty on whether
> >this is this particular controller or not. Did you even test this?
> 
> Tested by axp20x-pek.

Still, the base address is wrong, which is yet another hint that this
is not the same interrupt controller, and just works by accident.

Maxime

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

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Re: [linux-sunxi] Re: [PATCH v3 02/12] arm64: allwinner: a64: add NMI controller on A64

[icenowy]

在 2017-04-20 13:58，Maxime Ripard 写道：
> On Tue, Apr 18, 2017 at 06:56:43PM +0800, Icenowy Zheng wrote:
>> 
>> 
>> 于 2017年4月18日 GMT+08:00 下午3:00:16, Maxime Ripard 
>> <maxime.ripard@free-electrons.com> 写到:
>> >On Mon, Apr 17, 2017 at 07:57:37PM +0800, Icenowy Zheng wrote:
>> >> Allwinner A64 SoC features a NMI controller, which is usually
>> >connected
>> >> to the AXP PMIC.
>> >>
>> >> Add support for it.
>> >>
>> >> Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
>> >> Acked-by: Chen-Yu Tsai <wens@csie.org>
>> >> ---
>> >> Changes in v2:
>> >> - Added Chen-Yu's ACK.
>> >>
>> >>  arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | 8 ++++++++
>> >>  1 file changed, 8 insertions(+)
>> >>
>> >> diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
>> >b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
>> >> index 05ec9fc5e81f..53c18ca372ea 100644
>> >> --- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
>> >> +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
>> >> @@ -403,6 +403,14 @@
>> >>  				     <GIC_SPI 41 IRQ_TYPE_LEVEL_HIGH>;
>> >>  		};
>> >>
>> >> +		nmi_intc: interrupt-controller@01f00c0c {
>> >> +			compatible = "allwinner,sun6i-a31-sc-nmi";
>> >> +			interrupt-controller;
>> >> +			#interrupt-cells = <2>;
>> >> +			reg = <0x01f00c0c 0x38>;
>> >
>> >The base address is not correct, and there's uncertainty on whether
>> >this is this particular controller or not. Did you even test this?
>> 
>> Tested by axp20x-pek.
> 
> Still, the base address is wrong, which is yet another hint that this
> is not the same interrupt controller, and just works by accident.

No, it's the same as other post-sun6i device trees.
See other post-sun6i device trees: (or maybe they're all wrong, but
as we have no document for it, we should temporarily keep them)

sun6i-a31.dtsi
```
		nmi_intc: interrupt-controller@01f00c0c {
			compatible = "allwinner,sun6i-a31-sc-nmi";
			interrupt-controller;
			#interrupt-cells = <2>;
			reg = <0x01f00c0c 0x38>;
			interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>;
		};
```

sun8i-a23-a33.dtsi
```
		nmi_intc: interrupt-controller@01f00c0c {
			compatible = "allwinner,sun6i-a31-sc-nmi";
			interrupt-controller;
			#interrupt-cells = <2>;
			reg = <0x01f00c0c 0x38>;
			interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>;
		};
```

But according to the BSP device tree, the base address should be
0x01f00c00. Should I send some patch to fix all of them? (but it will
break device tree compatibility)

> 
> Maxime
> 
> --
> Maxime Ripard, Free Electrons
> Embedded Linux and Kernel engineering
> http://free-electrons.com

Re: [PATCH v3 03/12] dt-bindings: make AXP20X compatible strings one per line

[Rob Herring]

On Mon, Apr 17, 2017 at 07:57:38PM +0800, Icenowy Zheng wrote:
> In the binding documentation of AXP20X mfd, the compatible strings used
> to be listed for three per line, which leads to some mess when trying to
> add AXP803 compatible string (as we have already AXP806 and AXP809
> compatibles, which is after AXP803 in ascending order).
> 
> Make the compatible strings one per line, so that inserting a new
> compatible string will be directly a new line.
> 
> Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
> ---
> New patch in v3.
> 
>  Documentation/devicetree/bindings/mfd/axp20x.txt | 11 ++++++++---
>  1 file changed, 8 insertions(+), 3 deletions(-)

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

Re: [linux-sunxi] Re: [PATCH v3 02/12] arm64: allwinner: a64: add NMI controller on A64

[Maxime Ripard]

[-- Attachment #1: Type: text/plain, Size: 3637 bytes --]

On Thu, Apr 20, 2017 at 03:03:38PM +0800, icenowy@aosc.io wrote:
> 在 2017-04-20 13:58，Maxime Ripard 写道：
> > On Tue, Apr 18, 2017 at 06:56:43PM +0800, Icenowy Zheng wrote:
> > > 
> > > 
> > > 于 2017年4月18日 GMT+08:00 下午3:00:16, Maxime Ripard
> > > <maxime.ripard@free-electrons.com> 写到:
> > > >On Mon, Apr 17, 2017 at 07:57:37PM +0800, Icenowy Zheng wrote:
> > > >> Allwinner A64 SoC features a NMI controller, which is usually
> > > >connected
> > > >> to the AXP PMIC.
> > > >>
> > > >> Add support for it.
> > > >>
> > > >> Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
> > > >> Acked-by: Chen-Yu Tsai <wens@csie.org>
> > > >> ---
> > > >> Changes in v2:
> > > >> - Added Chen-Yu's ACK.
> > > >>
> > > >>  arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | 8 ++++++++
> > > >>  1 file changed, 8 insertions(+)
> > > >>
> > > >> diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
> > > >b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
> > > >> index 05ec9fc5e81f..53c18ca372ea 100644
> > > >> --- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
> > > >> +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
> > > >> @@ -403,6 +403,14 @@
> > > >>  				     <GIC_SPI 41 IRQ_TYPE_LEVEL_HIGH>;
> > > >>  		};
> > > >>
> > > >> +		nmi_intc: interrupt-controller@01f00c0c {
> > > >> +			compatible = "allwinner,sun6i-a31-sc-nmi";
> > > >> +			interrupt-controller;
> > > >> +			#interrupt-cells = <2>;
> > > >> +			reg = <0x01f00c0c 0x38>;
> > > >
> > > >The base address is not correct, and there's uncertainty on whether
> > > >this is this particular controller or not. Did you even test this?
> > > 
> > > Tested by axp20x-pek.
> > 
> > Still, the base address is wrong, which is yet another hint that this
> > is not the same interrupt controller, and just works by accident.
> 
> No, it's the same as other post-sun6i device trees.
> See other post-sun6i device trees: (or maybe they're all wrong, but
> as we have no document for it, we should temporarily keep them)
> 
> sun6i-a31.dtsi
> ```
> 		nmi_intc: interrupt-controller@01f00c0c {
> 			compatible = "allwinner,sun6i-a31-sc-nmi";
> 			interrupt-controller;
> 			#interrupt-cells = <2>;
> 			reg = <0x01f00c0c 0x38>;
> 			interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>;
> 		};
> ```
> 
> sun8i-a23-a33.dtsi
> ```
> 		nmi_intc: interrupt-controller@01f00c0c {
> 			compatible = "allwinner,sun6i-a31-sc-nmi";
> 			interrupt-controller;
> 			#interrupt-cells = <2>;
> 			reg = <0x01f00c0c 0x38>;
> 			interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>;
> 		};
> ```
> 
> But according to the BSP device tree, the base address should be
> 0x01f00c00. Should I send some patch to fix all of them? (but it will
> break device tree compatibility)

I'm really not a big fan of "if we see something that is broken, just
let it rot" to be honest.

We have no idea how this controller works exactly, just like we have
no idea if it is exactly the same controller or not.

The only thing we have today is the memory map, and it tells us that
it has more registers than what you express here.

Because of the DT backward compatibility, you have to think of it the
other way around: what will happen if it turns out we need to setup
any register outside of that region you described in the DT, in
something like a year or so?

We can't, really. While if you have the full memory region from the
beginning, then you just have to add a single writel in your driver.

Maxime

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

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Re: [linux-sunxi] Re: [PATCH v3 02/12] arm64: allwinner: a64: add NMI controller on A64

[icenowy]

在 2017-04-24 15:17，Maxime Ripard 写道：
> On Thu, Apr 20, 2017 at 03:03:38PM +0800, icenowy@aosc.io wrote:
>> 在 2017-04-20 13:58，Maxime Ripard 写道：
>> > On Tue, Apr 18, 2017 at 06:56:43PM +0800, Icenowy Zheng wrote:
>> > >
>> > >
>> > > 于 2017年4月18日 GMT+08:00 下午3:00:16, Maxime Ripard
>> > > <maxime.ripard@free-electrons.com> 写到:
>> > > >On Mon, Apr 17, 2017 at 07:57:37PM +0800, Icenowy Zheng wrote:
>> > > >> Allwinner A64 SoC features a NMI controller, which is usually
>> > > >connected
>> > > >> to the AXP PMIC.
>> > > >>
>> > > >> Add support for it.
>> > > >>
>> > > >> Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
>> > > >> Acked-by: Chen-Yu Tsai <wens@csie.org>
>> > > >> ---
>> > > >> Changes in v2:
>> > > >> - Added Chen-Yu's ACK.
>> > > >>
>> > > >>  arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | 8 ++++++++
>> > > >>  1 file changed, 8 insertions(+)
>> > > >>
>> > > >> diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
>> > > >b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
>> > > >> index 05ec9fc5e81f..53c18ca372ea 100644
>> > > >> --- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
>> > > >> +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
>> > > >> @@ -403,6 +403,14 @@
>> > > >>  				     <GIC_SPI 41 IRQ_TYPE_LEVEL_HIGH>;
>> > > >>  		};
>> > > >>
>> > > >> +		nmi_intc: interrupt-controller@01f00c0c {
>> > > >> +			compatible = "allwinner,sun6i-a31-sc-nmi";
>> > > >> +			interrupt-controller;
>> > > >> +			#interrupt-cells = <2>;
>> > > >> +			reg = <0x01f00c0c 0x38>;
>> > > >
>> > > >The base address is not correct, and there's uncertainty on whether
>> > > >this is this particular controller or not. Did you even test this?
>> > >
>> > > Tested by axp20x-pek.
>> >
>> > Still, the base address is wrong, which is yet another hint that this
>> > is not the same interrupt controller, and just works by accident.
>> 
>> No, it's the same as other post-sun6i device trees.
>> See other post-sun6i device trees: (or maybe they're all wrong, but
>> as we have no document for it, we should temporarily keep them)
>> 
>> sun6i-a31.dtsi
>> ```
>> 		nmi_intc: interrupt-controller@01f00c0c {
>> 			compatible = "allwinner,sun6i-a31-sc-nmi";
>> 			interrupt-controller;
>> 			#interrupt-cells = <2>;
>> 			reg = <0x01f00c0c 0x38>;
>> 			interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>;
>> 		};
>> ```
>> 
>> sun8i-a23-a33.dtsi
>> ```
>> 		nmi_intc: interrupt-controller@01f00c0c {
>> 			compatible = "allwinner,sun6i-a31-sc-nmi";
>> 			interrupt-controller;
>> 			#interrupt-cells = <2>;
>> 			reg = <0x01f00c0c 0x38>;
>> 			interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>;
>> 		};
>> ```
>> 
>> But according to the BSP device tree, the base address should be
>> 0x01f00c00. Should I send some patch to fix all of them? (but it will
>> break device tree compatibility)
> 
> I'm really not a big fan of "if we see something that is broken, just
> let it rot" to be honest.
> 
> We have no idea how this controller works exactly, just like we have
> no idea if it is exactly the same controller or not.
> 
> The only thing we have today is the memory map, and it tells us that
> it has more registers than what you express here.
> 
> Because of the DT backward compatibility, you have to think of it the
> other way around: what will happen if it turns out we need to setup
> any register outside of that region you described in the DT, in
> something like a year or so?
> 
> We can't, really. While if you have the full memory region from the
> beginning, then you just have to add a single writel in your driver.

So things are now already broken, and we may need to fix also A31 and
A23/33.

How should we do this?

> 
> Maxime
> 
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

Re: [PATCH v3 03/12] dt-bindings: make AXP20X compatible strings one per line

[Lee Jones]

On Mon, 17 Apr 2017, Icenowy Zheng wrote:

> In the binding documentation of AXP20X mfd, the compatible strings used
> to be listed for three per line, which leads to some mess when trying to
> add AXP803 compatible string (as we have already AXP806 and AXP809
> compatibles, which is after AXP803 in ascending order).
> 
> Make the compatible strings one per line, so that inserting a new
> compatible string will be directly a new line.
> 
> Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
> ---
> New patch in v3.
> 
>  Documentation/devicetree/bindings/mfd/axp20x.txt | 11 ++++++++---
>  1 file changed, 8 insertions(+), 3 deletions(-)

Applied, thanks.

> diff --git a/Documentation/devicetree/bindings/mfd/axp20x.txt b/Documentation/devicetree/bindings/mfd/axp20x.txt
> index b41d2601c6ba..a3e813f6060a 100644
> --- a/Documentation/devicetree/bindings/mfd/axp20x.txt
> +++ b/Documentation/devicetree/bindings/mfd/axp20x.txt
> @@ -9,9 +9,14 @@ axp223 (X-Powers)
>  axp809 (X-Powers)
>  
>  Required properties:
> -- compatible: "x-powers,axp152", "x-powers,axp202", "x-powers,axp209",
> -	      "x-powers,axp221", "x-powers,axp223", "x-powers,axp806",
> -	      "x-powers,axp809"
> +- compatible: should be one of:
> +    * "x-powers,axp152"
> +    * "x-powers,axp202"
> +    * "x-powers,axp209"
> +    * "x-powers,axp221"
> +    * "x-powers,axp223"
> +    * "x-powers,axp806"
> +    * "x-powers,axp809"
>  - reg: The I2C slave address or RSB hardware address for the AXP chip
>  - interrupt-parent: The parent interrupt controller
>  - interrupts: SoC NMI / GPIO interrupt connected to the PMIC's IRQ pin

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog

Re: [PATCH v3 04/12] dt-bindings: add device tree binding for X-Powers AXP803 PMIC

[Lee Jones]

On Mon, 17 Apr 2017, Icenowy Zheng wrote:

> AXP803 is a PMIC produced by Shenzhen X-Powers, with either I2C or RSB
> bus.
> 
> Add a compatible for it.
> 
> Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
> Acked-by: Chen-Yu Tsai <wens@csie.org>
> Acked-by: Rob Herring <robh@kernel.org>
> ---
> Changes in v3:
> - Make the compatible one-liner.
> Changes in v2:
> - Place AXP803 before AXP806/809.
> - Added Chen-Yu's ACK.
> 
>  Documentation/devicetree/bindings/mfd/axp20x.txt | 2 ++
>  1 file changed, 2 insertions(+)

Applied, thanks.

> diff --git a/Documentation/devicetree/bindings/mfd/axp20x.txt b/Documentation/devicetree/bindings/mfd/axp20x.txt
> index a3e813f6060a..44df88be3c89 100644
> --- a/Documentation/devicetree/bindings/mfd/axp20x.txt
> +++ b/Documentation/devicetree/bindings/mfd/axp20x.txt
> @@ -6,6 +6,7 @@ axp202 (X-Powers)
>  axp209 (X-Powers)
>  axp221 (X-Powers)
>  axp223 (X-Powers)
> +axp803 (X-Powers)
>  axp809 (X-Powers)
>  
>  Required properties:
> @@ -15,6 +16,7 @@ Required properties:
>      * "x-powers,axp209"
>      * "x-powers,axp221"
>      * "x-powers,axp223"
> +    * "x-powers,axp803"
>      * "x-powers,axp806"
>      * "x-powers,axp809"
>  - reg: The I2C slave address or RSB hardware address for the AXP chip

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog

Re: [PATCH v3 05/12] mfd: axp20x: support AXP803 variant

[Lee Jones]

On Mon, 17 Apr 2017, Icenowy Zheng wrote:

> AXP803 is a new PMIC chip produced by X-Powers, usually paired with A64
> via RSB bus. The PMIC itself is like AXP288, but with RSB support and
> dedicated VBUS and ACIN.
> 
> Add support for it in the axp20x mfd driver.
> 
> Currently only power key function is supported.
> 
> Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
> ---
> This patch is said to be applied by Lee Jones, however, I didn't see it
> in the linux-next, so I included it in the patchset now.
> 
> Changes in v2:
> - Share regmap configs with AXP288.
> - Place AXP803 bits before AXP806/809.
> 
>  drivers/mfd/axp20x-rsb.c   |  1 +
>  drivers/mfd/axp20x.c       | 79 ++++++++++++++++++++++++++++++++++++++++++++++
>  include/linux/mfd/axp20x.h | 40 ++++++++++++++++++++++-
>  3 files changed, 119 insertions(+), 1 deletion(-)

Applied, thanks.

> diff --git a/drivers/mfd/axp20x-rsb.c b/drivers/mfd/axp20x-rsb.c
> index a732cb50bcff..fd5c7267b136 100644
> --- a/drivers/mfd/axp20x-rsb.c
> +++ b/drivers/mfd/axp20x-rsb.c
> @@ -61,6 +61,7 @@ static int axp20x_rsb_remove(struct sunxi_rsb_device *rdev)
>  
>  static const struct of_device_id axp20x_rsb_of_match[] = {
>  	{ .compatible = "x-powers,axp223", .data = (void *)AXP223_ID },
> +	{ .compatible = "x-powers,axp803", .data = (void *)AXP803_ID },
>  	{ .compatible = "x-powers,axp806", .data = (void *)AXP806_ID },
>  	{ .compatible = "x-powers,axp809", .data = (void *)AXP809_ID },
>  	{ },
> diff --git a/drivers/mfd/axp20x.c b/drivers/mfd/axp20x.c
> index e6f55079876e..1dc6235778eb 100644
> --- a/drivers/mfd/axp20x.c
> +++ b/drivers/mfd/axp20x.c
> @@ -41,6 +41,7 @@ static const char * const axp20x_model_names[] = {
>  	"AXP221",
>  	"AXP223",
>  	"AXP288",
> +	"AXP803",
>  	"AXP806",
>  	"AXP809",
>  };
> @@ -117,6 +118,7 @@ static const struct regmap_access_table axp22x_volatile_table = {
>  	.n_yes_ranges	= ARRAY_SIZE(axp22x_volatile_ranges),
>  };
>  
> +/* AXP288 ranges are shared with the AXP803, as they cover the same range */
>  static const struct regmap_range axp288_writeable_ranges[] = {
>  	regmap_reg_range(AXP20X_DATACACHE(0), AXP20X_IRQ6_STATE),
>  	regmap_reg_range(AXP20X_DCDC_MODE, AXP288_FG_TUNE5),
> @@ -264,6 +266,20 @@ static struct resource axp288_fuel_gauge_resources[] = {
>  	},
>  };
>  
> +static struct resource axp803_pek_resources[] = {
> +	{
> +		.name   = "PEK_DBR",
> +		.start  = AXP803_IRQ_PEK_RIS_EDGE,
> +		.end    = AXP803_IRQ_PEK_RIS_EDGE,
> +		.flags  = IORESOURCE_IRQ,
> +	}, {
> +		.name   = "PEK_DBF",
> +		.start  = AXP803_IRQ_PEK_FAL_EDGE,
> +		.end    = AXP803_IRQ_PEK_FAL_EDGE,
> +		.flags  = IORESOURCE_IRQ,
> +	},
> +};
> +
>  static struct resource axp809_pek_resources[] = {
>  	{
>  		.name   = "PEK_DBR",
> @@ -457,6 +473,43 @@ static const struct regmap_irq axp288_regmap_irqs[] = {
>  	INIT_REGMAP_IRQ(AXP288, BC_USB_CHNG,            5, 1),
>  };
>  
> +static const struct regmap_irq axp803_regmap_irqs[] = {
> +	INIT_REGMAP_IRQ(AXP803, ACIN_OVER_V,		0, 7),
> +	INIT_REGMAP_IRQ(AXP803, ACIN_PLUGIN,		0, 6),
> +	INIT_REGMAP_IRQ(AXP803, ACIN_REMOVAL,	        0, 5),
> +	INIT_REGMAP_IRQ(AXP803, VBUS_OVER_V,		0, 4),
> +	INIT_REGMAP_IRQ(AXP803, VBUS_PLUGIN,		0, 3),
> +	INIT_REGMAP_IRQ(AXP803, VBUS_REMOVAL,	        0, 2),
> +	INIT_REGMAP_IRQ(AXP803, BATT_PLUGIN,		1, 7),
> +	INIT_REGMAP_IRQ(AXP803, BATT_REMOVAL,	        1, 6),
> +	INIT_REGMAP_IRQ(AXP803, BATT_ENT_ACT_MODE,	1, 5),
> +	INIT_REGMAP_IRQ(AXP803, BATT_EXIT_ACT_MODE,	1, 4),
> +	INIT_REGMAP_IRQ(AXP803, CHARG,		        1, 3),
> +	INIT_REGMAP_IRQ(AXP803, CHARG_DONE,		1, 2),
> +	INIT_REGMAP_IRQ(AXP803, BATT_CHG_TEMP_HIGH,	2, 7),
> +	INIT_REGMAP_IRQ(AXP803, BATT_CHG_TEMP_HIGH_END,	2, 6),
> +	INIT_REGMAP_IRQ(AXP803, BATT_CHG_TEMP_LOW,	2, 5),
> +	INIT_REGMAP_IRQ(AXP803, BATT_CHG_TEMP_LOW_END,	2, 4),
> +	INIT_REGMAP_IRQ(AXP803, BATT_ACT_TEMP_HIGH,	2, 3),
> +	INIT_REGMAP_IRQ(AXP803, BATT_ACT_TEMP_HIGH_END,	2, 2),
> +	INIT_REGMAP_IRQ(AXP803, BATT_ACT_TEMP_LOW,	2, 1),
> +	INIT_REGMAP_IRQ(AXP803, BATT_ACT_TEMP_LOW_END,	2, 0),
> +	INIT_REGMAP_IRQ(AXP803, DIE_TEMP_HIGH,	        3, 7),
> +	INIT_REGMAP_IRQ(AXP803, GPADC,		        3, 2),
> +	INIT_REGMAP_IRQ(AXP803, LOW_PWR_LVL1,	        3, 1),
> +	INIT_REGMAP_IRQ(AXP803, LOW_PWR_LVL2,	        3, 0),
> +	INIT_REGMAP_IRQ(AXP803, TIMER,		        4, 7),
> +	INIT_REGMAP_IRQ(AXP803, PEK_RIS_EDGE,	        4, 6),
> +	INIT_REGMAP_IRQ(AXP803, PEK_FAL_EDGE,	        4, 5),
> +	INIT_REGMAP_IRQ(AXP803, PEK_SHORT,		4, 4),
> +	INIT_REGMAP_IRQ(AXP803, PEK_LONG,		4, 3),
> +	INIT_REGMAP_IRQ(AXP803, PEK_OVER_OFF,		4, 2),
> +	INIT_REGMAP_IRQ(AXP803, GPIO1_INPUT,		4, 1),
> +	INIT_REGMAP_IRQ(AXP803, GPIO0_INPUT,		4, 0),
> +	INIT_REGMAP_IRQ(AXP803, BC_USB_CHNG,            5, 1),
> +	INIT_REGMAP_IRQ(AXP803, MV_CHNG,                5, 0),
> +};
> +
>  static const struct regmap_irq axp806_regmap_irqs[] = {
>  	INIT_REGMAP_IRQ(AXP806, DIE_TEMP_HIGH_LV1,	0, 0),
>  	INIT_REGMAP_IRQ(AXP806, DIE_TEMP_HIGH_LV2,	0, 1),
> @@ -557,6 +610,18 @@ static const struct regmap_irq_chip axp288_regmap_irq_chip = {
>  
>  };
>  
> +static const struct regmap_irq_chip axp803_regmap_irq_chip = {
> +	.name			= "axp803",
> +	.status_base		= AXP20X_IRQ1_STATE,
> +	.ack_base		= AXP20X_IRQ1_STATE,
> +	.mask_base		= AXP20X_IRQ1_EN,
> +	.mask_invert		= true,
> +	.init_ack_masked	= true,
> +	.irqs			= axp803_regmap_irqs,
> +	.num_irqs		= ARRAY_SIZE(axp803_regmap_irqs),
> +	.num_regs		= 6,
> +};
> +
>  static const struct regmap_irq_chip axp806_regmap_irq_chip = {
>  	.name			= "axp806",
>  	.status_base		= AXP20X_IRQ1_STATE,
> @@ -778,6 +843,14 @@ static struct mfd_cell axp288_cells[] = {
>  	},
>  };
>  
> +static struct mfd_cell axp803_cells[] = {
> +	{
> +		.name			= "axp20x-pek",
> +		.num_resources		= ARRAY_SIZE(axp803_pek_resources),
> +		.resources		= axp803_pek_resources,
> +	}
> +};
> +
>  static struct mfd_cell axp806_cells[] = {
>  	{
>  		.id			= 2,
> @@ -864,6 +937,12 @@ int axp20x_match_device(struct axp20x_dev *axp20x)
>  		axp20x->regmap_irq_chip = &axp288_regmap_irq_chip;
>  		axp20x->irq_flags = IRQF_TRIGGER_LOW;
>  		break;
> +	case AXP803_ID:
> +		axp20x->nr_cells = ARRAY_SIZE(axp803_cells);
> +		axp20x->cells = axp803_cells;
> +		axp20x->regmap_cfg = &axp288_regmap_config;
> +		axp20x->regmap_irq_chip = &axp803_regmap_irq_chip;
> +		break;
>  	case AXP806_ID:
>  		axp20x->nr_cells = ARRAY_SIZE(axp806_cells);
>  		axp20x->cells = axp806_cells;
> diff --git a/include/linux/mfd/axp20x.h b/include/linux/mfd/axp20x.h
> index dc8798cf2a24..cde56cfe8446 100644
> --- a/include/linux/mfd/axp20x.h
> +++ b/include/linux/mfd/axp20x.h
> @@ -20,6 +20,7 @@ enum axp20x_variants {
>  	AXP221_ID,
>  	AXP223_ID,
>  	AXP288_ID,
> +	AXP803_ID,
>  	AXP806_ID,
>  	AXP809_ID,
>  	NR_AXP20X_VARIANTS,
> @@ -234,7 +235,7 @@ enum axp20x_variants {
>  #define AXP22X_TS_ADC_L			0x59
>  #define AXP22X_BATLOW_THRES1		0xe6
>  
> -/* AXP288 specific registers */
> +/* AXP288/AXP803 specific registers */
>  #define AXP288_POWER_REASON		0x02
>  #define AXP288_BC_GLOBAL		0x2c
>  #define AXP288_BC_VBUS_CNTL		0x2d
> @@ -475,6 +476,43 @@ enum axp288_irqs {
>  	AXP288_IRQ_BC_USB_CHNG,
>  };
>  
> +enum axp803_irqs {
> +	AXP803_IRQ_ACIN_OVER_V = 1,
> +	AXP803_IRQ_ACIN_PLUGIN,
> +	AXP803_IRQ_ACIN_REMOVAL,
> +	AXP803_IRQ_VBUS_OVER_V,
> +	AXP803_IRQ_VBUS_PLUGIN,
> +	AXP803_IRQ_VBUS_REMOVAL,
> +	AXP803_IRQ_BATT_PLUGIN,
> +	AXP803_IRQ_BATT_REMOVAL,
> +	AXP803_IRQ_BATT_ENT_ACT_MODE,
> +	AXP803_IRQ_BATT_EXIT_ACT_MODE,
> +	AXP803_IRQ_CHARG,
> +	AXP803_IRQ_CHARG_DONE,
> +	AXP803_IRQ_BATT_CHG_TEMP_HIGH,
> +	AXP803_IRQ_BATT_CHG_TEMP_HIGH_END,
> +	AXP803_IRQ_BATT_CHG_TEMP_LOW,
> +	AXP803_IRQ_BATT_CHG_TEMP_LOW_END,
> +	AXP803_IRQ_BATT_ACT_TEMP_HIGH,
> +	AXP803_IRQ_BATT_ACT_TEMP_HIGH_END,
> +	AXP803_IRQ_BATT_ACT_TEMP_LOW,
> +	AXP803_IRQ_BATT_ACT_TEMP_LOW_END,
> +	AXP803_IRQ_DIE_TEMP_HIGH,
> +	AXP803_IRQ_GPADC,
> +	AXP803_IRQ_LOW_PWR_LVL1,
> +	AXP803_IRQ_LOW_PWR_LVL2,
> +	AXP803_IRQ_TIMER,
> +	AXP803_IRQ_PEK_RIS_EDGE,
> +	AXP803_IRQ_PEK_FAL_EDGE,
> +	AXP803_IRQ_PEK_SHORT,
> +	AXP803_IRQ_PEK_LONG,
> +	AXP803_IRQ_PEK_OVER_OFF,
> +	AXP803_IRQ_GPIO1_INPUT,
> +	AXP803_IRQ_GPIO0_INPUT,
> +	AXP803_IRQ_BC_USB_CHNG,
> +	AXP803_IRQ_MV_CHNG,
> +};
> +
>  enum axp806_irqs {
>  	AXP806_IRQ_DIE_TEMP_HIGH_LV1,
>  	AXP806_IRQ_DIE_TEMP_HIGH_LV2,

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog

Re: [PATCH v3 07/12] dt-bindings: add AXP803's regulator info

[Lee Jones]

On Mon, 17 Apr 2017, Icenowy Zheng wrote:

> AXP803 have the most regulators in currently supported AXP PMICs.
> 
> Add info for the regulators in the dt-bindings document.
> 
> Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
> Acked-by: Rob Herring <robh@kernel.org>
> ---
> Changes in v3:
> - Added Rob's ACK.
> Changes in v2:
> - Place AXP803 regulators before AXP806/809 ones.
> 
>  Documentation/devicetree/bindings/mfd/axp20x.txt | 27 ++++++++++++++++++++++++
>  1 file changed, 27 insertions(+)

Applied, thanks.

> diff --git a/Documentation/devicetree/bindings/mfd/axp20x.txt b/Documentation/devicetree/bindings/mfd/axp20x.txt
> index 44df88be3c89..aca09af66514 100644
> --- a/Documentation/devicetree/bindings/mfd/axp20x.txt
> +++ b/Documentation/devicetree/bindings/mfd/axp20x.txt
> @@ -96,6 +96,33 @@ LDO_IO1		: LDO		: ips-supply		: GPIO 1
>  RTC_LDO		: LDO		: ips-supply		: always on
>  DRIVEVBUS	: Enable output	: drivevbus-supply	: external regulator
>  
> +AXP803 regulators, type, and corresponding input supply names:
> +
> +Regulator	  Type		  Supply Name		  Notes
> +---------	  ----		  -----------		  -----
> +DCDC1		: DC-DC buck	: vin1-supply
> +DCDC2		: DC-DC buck	: vin2-supply		: poly-phase capable
> +DCDC3		: DC-DC	buck	: vin3-supply		: poly-phase capable
> +DCDC4		: DC-DC	buck	: vin4-supply
> +DCDC5		: DC-DC	buck	: vin5-supply		: poly-phase capable
> +DCDC6		: DC-DC	buck	: vin6-supply		: poly-phase capable
> +DC1SW		: On/Off Switch	:			: DCDC1 secondary output
> +ALDO1		: LDO		: aldoin-supply		: shared supply
> +ALDO2		: LDO		: aldoin-supply		: shared supply
> +ALDO3		: LDO		: aldoin-supply		: shared supply
> +DLDO1		: LDO		: dldoin-supply		: shared supply
> +DLDO2		: LDO		: dldoin-supply		: shared supply
> +DLDO3		: LDO		: dldoin-supply		: shared supply
> +DLDO4		: LDO		: dldoin-supply		: shared supply
> +ELDO1		: LDO		: eldoin-supply		: shared supply
> +ELDO2		: LDO		: eldoin-supply		: shared supply
> +ELDO3		: LDO		: eldoin-supply		: shared supply
> +FLDO1		: LDO		: fldoin-supply		: shared supply
> +FLDO2		: LDO		: fldoin-supply		: shared supply
> +LDO_IO0		: LDO		: ips-supply		: GPIO 0
> +LDO_IO1		: LDO		: ips-supply		: GPIO 1
> +RTC_LDO		: LDO		: ips-supply		: always on
> +
>  AXP806 regulators, type, and corresponding input supply names:
>  
>  Regulator	  Type		  Supply Name		  Notes

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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Re: [PATCH v3 08/12] regulator: axp20x-regulator: add support for AXP803

[Mark Brown]

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On Mon, Apr 17, 2017 at 07:57:43PM +0800, Icenowy Zheng wrote:
> AXP803 PMIC also have a series of regulators (DCDCs and LDOs)
> controllable via I2C/RSB bus.
> 
> Add support for them.
> 
> Signed-off-by: Icenowy Zheng <icenowy@aosc.io>

Acked-by: Mark Brown <broonie@kernel.org>

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