* [PATCH v3 0/5] add usb support for hi6220
@ 2015-02-10 7:50 ` Zhangfei Gao
0 siblings, 0 replies; 14+ messages in thread
From: Zhangfei Gao @ 2015-02-10 7:50 UTC (permalink / raw)
To: balbi-l0cyMroinI0, john.youn-HKixBCOQz3hWk0Htik3J/w,
Mian Yousaf Kaukab, dan . zhao, Wangbinghui, Peter Chen,
Sergei Shtylyov
Cc: linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r,
devicetree-u79uwXL29TY76Z2rM5mHXA,
linux-usb-u79uwXL29TY76Z2rM5mHXA, Zhangfei Gao
v3:
fix typo and add -EPROBE_DEFER of regulator, pointed by Peter
v2:
address comments from Sergei and Peter
add hi6220_phy_setup(false) code
v1:
hi6220 usb controller is inherited from dwc2
add phy accordingly
support otg gadget/host
Zhangfei Gao (5):
Documentation: dt-bindings: add dt binding info for hi6220 dwc2
Documentation: dt-bindings: add dt binding info for hi6220
usb: dwc2: platform: add hi6220 support
usb: phy: load usb phy earlier
usb: phy: add phy-hi6220-usb
Documentation/devicetree/bindings/usb/dwc2.txt | 1 +
.../devicetree/bindings/usb/hi6220-usb.txt | 49 ++++
drivers/usb/Makefile | 2 +-
drivers/usb/dwc2/platform.c | 30 ++
drivers/usb/phy/Kconfig | 9 +
drivers/usb/phy/Makefile | 1 +
drivers/usb/phy/phy-hi6220-usb.c | 308 +++++++++++++++++++++
7 files changed, 399 insertions(+), 1 deletion(-)
create mode 100644 Documentation/devicetree/bindings/usb/hi6220-usb.txt
create mode 100644 drivers/usb/phy/phy-hi6220-usb.c
--
1.9.1
--
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^ permalink raw reply [flat|nested] 14+ messages in thread
* [PATCH v3 0/5] add usb support for hi6220
@ 2015-02-10 7:50 ` Zhangfei Gao
0 siblings, 0 replies; 14+ messages in thread
From: Zhangfei Gao @ 2015-02-10 7:50 UTC (permalink / raw)
To: linux-arm-kernel
v3:
fix typo and add -EPROBE_DEFER of regulator, pointed by Peter
v2:
address comments from Sergei and Peter
add hi6220_phy_setup(false) code
v1:
hi6220 usb controller is inherited from dwc2
add phy accordingly
support otg gadget/host
Zhangfei Gao (5):
Documentation: dt-bindings: add dt binding info for hi6220 dwc2
Documentation: dt-bindings: add dt binding info for hi6220
usb: dwc2: platform: add hi6220 support
usb: phy: load usb phy earlier
usb: phy: add phy-hi6220-usb
Documentation/devicetree/bindings/usb/dwc2.txt | 1 +
.../devicetree/bindings/usb/hi6220-usb.txt | 49 ++++
drivers/usb/Makefile | 2 +-
drivers/usb/dwc2/platform.c | 30 ++
drivers/usb/phy/Kconfig | 9 +
drivers/usb/phy/Makefile | 1 +
drivers/usb/phy/phy-hi6220-usb.c | 308 +++++++++++++++++++++
7 files changed, 399 insertions(+), 1 deletion(-)
create mode 100644 Documentation/devicetree/bindings/usb/hi6220-usb.txt
create mode 100644 drivers/usb/phy/phy-hi6220-usb.c
--
1.9.1
^ permalink raw reply [flat|nested] 14+ messages in thread
* [PATCH v3 1/5] Documentation: dt-bindings: add dt binding info for hi6220 dwc2
2015-02-10 7:50 ` Zhangfei Gao
@ 2015-02-10 7:50 ` Zhangfei Gao
-1 siblings, 0 replies; 14+ messages in thread
From: Zhangfei Gao @ 2015-02-10 7:50 UTC (permalink / raw)
To: balbi-l0cyMroinI0, john.youn-HKixBCOQz3hWk0Htik3J/w,
Mian Yousaf Kaukab, dan . zhao, Wangbinghui, Peter Chen,
Sergei Shtylyov
Cc: linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r,
devicetree-u79uwXL29TY76Z2rM5mHXA,
linux-usb-u79uwXL29TY76Z2rM5mHXA, Zhangfei Gao
Add necessary dwc2 binding documentation for Hisilicon soc: hi6220
Signed-off-by: Zhangfei Gao <zhangfei.gao-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
---
Documentation/devicetree/bindings/usb/dwc2.txt | 1 +
1 file changed, 1 insertion(+)
diff --git a/Documentation/devicetree/bindings/usb/dwc2.txt b/Documentation/devicetree/bindings/usb/dwc2.txt
index fd132cb..2213682 100644
--- a/Documentation/devicetree/bindings/usb/dwc2.txt
+++ b/Documentation/devicetree/bindings/usb/dwc2.txt
@@ -4,6 +4,7 @@ Platform DesignWare HS OTG USB 2.0 controller
Required properties:
- compatible : One of:
- brcm,bcm2835-usb: The DWC2 USB controller instance in the BCM2835 SoC.
+ - hisilicon,hi6220-usb: The DWC2 USB controller instance in the hi6220 SoC.
- rockchip,rk3066-usb: The DWC2 USB controller instance in the rk3066 Soc;
- "rockchip,rk3188-usb", "rockchip,rk3066-usb", "snps,dwc2": for rk3188 Soc;
- "rockchip,rk3288-usb", "rockchip,rk3066-usb", "snps,dwc2": for rk3288 Soc;
--
1.9.1
--
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^ permalink raw reply related [flat|nested] 14+ messages in thread
* [PATCH v3 1/5] Documentation: dt-bindings: add dt binding info for hi6220 dwc2
@ 2015-02-10 7:50 ` Zhangfei Gao
0 siblings, 0 replies; 14+ messages in thread
From: Zhangfei Gao @ 2015-02-10 7:50 UTC (permalink / raw)
To: linux-arm-kernel
Add necessary dwc2 binding documentation for Hisilicon soc: hi6220
Signed-off-by: Zhangfei Gao <zhangfei.gao@linaro.org>
---
Documentation/devicetree/bindings/usb/dwc2.txt | 1 +
1 file changed, 1 insertion(+)
diff --git a/Documentation/devicetree/bindings/usb/dwc2.txt b/Documentation/devicetree/bindings/usb/dwc2.txt
index fd132cb..2213682 100644
--- a/Documentation/devicetree/bindings/usb/dwc2.txt
+++ b/Documentation/devicetree/bindings/usb/dwc2.txt
@@ -4,6 +4,7 @@ Platform DesignWare HS OTG USB 2.0 controller
Required properties:
- compatible : One of:
- brcm,bcm2835-usb: The DWC2 USB controller instance in the BCM2835 SoC.
+ - hisilicon,hi6220-usb: The DWC2 USB controller instance in the hi6220 SoC.
- rockchip,rk3066-usb: The DWC2 USB controller instance in the rk3066 Soc;
- "rockchip,rk3188-usb", "rockchip,rk3066-usb", "snps,dwc2": for rk3188 Soc;
- "rockchip,rk3288-usb", "rockchip,rk3066-usb", "snps,dwc2": for rk3288 Soc;
--
1.9.1
^ permalink raw reply related [flat|nested] 14+ messages in thread
* [PATCH v3 2/5] Documentation: dt-bindings: add dt binding info for hi6220
2015-02-10 7:50 ` Zhangfei Gao
@ 2015-02-10 7:50 ` Zhangfei Gao
-1 siblings, 0 replies; 14+ messages in thread
From: Zhangfei Gao @ 2015-02-10 7:50 UTC (permalink / raw)
To: balbi-l0cyMroinI0, john.youn-HKixBCOQz3hWk0Htik3J/w,
Mian Yousaf Kaukab, dan . zhao, Wangbinghui, Peter Chen,
Sergei Shtylyov
Cc: linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r,
devicetree-u79uwXL29TY76Z2rM5mHXA,
linux-usb-u79uwXL29TY76Z2rM5mHXA, Zhangfei Gao
Signed-off-by: Zhangfei Gao <zhangfei.gao-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
---
.../devicetree/bindings/usb/hi6220-usb.txt | 49 ++++++++++++++++++++++
1 file changed, 49 insertions(+)
create mode 100644 Documentation/devicetree/bindings/usb/hi6220-usb.txt
diff --git a/Documentation/devicetree/bindings/usb/hi6220-usb.txt b/Documentation/devicetree/bindings/usb/hi6220-usb.txt
new file mode 100644
index 0000000..b8278de
--- /dev/null
+++ b/Documentation/devicetree/bindings/usb/hi6220-usb.txt
@@ -0,0 +1,49 @@
+Hisilicon hi6220 SoC USB controller
+-----------------------------
+
+usb controller is inherited from dwc2, refer dwc2.txt
+-----
+
+Required properties:
+- compatible: "hisilicon,hi6220-usb"
+Refer to dwc2.txt for dwc2 usb properties
+
+
+PHY:
+-----
+
+Required properties:
+- compatible: "hisilicon,hi6220-usb-phy"
+- vcc-supply: phandle to the regulator that provides power to the PHY.
+- clocks: phandle and clock specifier of the PHY clock.
+- hisilicon,peripheral-syscon: phandle of syscon used to control peripheral.
+- hisilicon,gpio-vbus: gpio of detecting vbus.
+- hisilicon,gpio-id: gpio of detecting id.
+
+Example:
+
+ peripheral_ctrl: syscon@f7030000 {
+ compatible = "syscon";
+ reg = <0x0 0xf7030000 0x0 0x1000>;
+ };
+
+ usb2_phy: usbphy {
+ compatible = "hisilicon,hi6220-usb-phy";
+ vcc-supply = <&fixed_5v_hub>;
+ hisilicon,gpio-vbus = <&gpio2 6 0>;
+ hisilicon,gpio-id = <&gpio2 5 0>;
+ hisilicon,peripheral-syscon = <&peripheral_ctrl>;
+ clocks = <&clock_sys HI6220_USBOTG_HCLK>;
+ };
+
+ usb: usb@f72c0000 {
+ compatible = "hisilicon,hi6220-usb";
+ reg = <0x0 0xf72c0000 0x0 0x40000>;
+ phys = <&usb2_phy>;
+ dr_mode = "otg";
+ g-use-dma;
+ g-rx-fifo-size = <512>;
+ g-np-tx-fifo-size = <128>;
+ g-tx-fifo-size = <128>;
+ interrupts = <0 77 0x4>;
+ };
--
1.9.1
--
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the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
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^ permalink raw reply related [flat|nested] 14+ messages in thread
* [PATCH v3 2/5] Documentation: dt-bindings: add dt binding info for hi6220
@ 2015-02-10 7:50 ` Zhangfei Gao
0 siblings, 0 replies; 14+ messages in thread
From: Zhangfei Gao @ 2015-02-10 7:50 UTC (permalink / raw)
To: linux-arm-kernel
Signed-off-by: Zhangfei Gao <zhangfei.gao@linaro.org>
---
.../devicetree/bindings/usb/hi6220-usb.txt | 49 ++++++++++++++++++++++
1 file changed, 49 insertions(+)
create mode 100644 Documentation/devicetree/bindings/usb/hi6220-usb.txt
diff --git a/Documentation/devicetree/bindings/usb/hi6220-usb.txt b/Documentation/devicetree/bindings/usb/hi6220-usb.txt
new file mode 100644
index 0000000..b8278de
--- /dev/null
+++ b/Documentation/devicetree/bindings/usb/hi6220-usb.txt
@@ -0,0 +1,49 @@
+Hisilicon hi6220 SoC USB controller
+-----------------------------
+
+usb controller is inherited from dwc2, refer dwc2.txt
+-----
+
+Required properties:
+- compatible: "hisilicon,hi6220-usb"
+Refer to dwc2.txt for dwc2 usb properties
+
+
+PHY:
+-----
+
+Required properties:
+- compatible: "hisilicon,hi6220-usb-phy"
+- vcc-supply: phandle to the regulator that provides power to the PHY.
+- clocks: phandle and clock specifier of the PHY clock.
+- hisilicon,peripheral-syscon: phandle of syscon used to control peripheral.
+- hisilicon,gpio-vbus: gpio of detecting vbus.
+- hisilicon,gpio-id: gpio of detecting id.
+
+Example:
+
+ peripheral_ctrl: syscon at f7030000 {
+ compatible = "syscon";
+ reg = <0x0 0xf7030000 0x0 0x1000>;
+ };
+
+ usb2_phy: usbphy {
+ compatible = "hisilicon,hi6220-usb-phy";
+ vcc-supply = <&fixed_5v_hub>;
+ hisilicon,gpio-vbus = <&gpio2 6 0>;
+ hisilicon,gpio-id = <&gpio2 5 0>;
+ hisilicon,peripheral-syscon = <&peripheral_ctrl>;
+ clocks = <&clock_sys HI6220_USBOTG_HCLK>;
+ };
+
+ usb: usb at f72c0000 {
+ compatible = "hisilicon,hi6220-usb";
+ reg = <0x0 0xf72c0000 0x0 0x40000>;
+ phys = <&usb2_phy>;
+ dr_mode = "otg";
+ g-use-dma;
+ g-rx-fifo-size = <512>;
+ g-np-tx-fifo-size = <128>;
+ g-tx-fifo-size = <128>;
+ interrupts = <0 77 0x4>;
+ };
--
1.9.1
^ permalink raw reply related [flat|nested] 14+ messages in thread
* [PATCH v3 3/5] usb: dwc2: platform: add hi6220 support
2015-02-10 7:50 ` Zhangfei Gao
@ 2015-02-10 7:50 ` Zhangfei Gao
-1 siblings, 0 replies; 14+ messages in thread
From: Zhangfei Gao @ 2015-02-10 7:50 UTC (permalink / raw)
To: balbi-l0cyMroinI0, john.youn-HKixBCOQz3hWk0Htik3J/w,
Mian Yousaf Kaukab, dan . zhao, Wangbinghui, Peter Chen,
Sergei Shtylyov
Cc: linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r,
devicetree-u79uwXL29TY76Z2rM5mHXA,
linux-usb-u79uwXL29TY76Z2rM5mHXA, Zhangfei Gao
Signed-off-by: Zhangfei Gao <zhangfei.gao-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
---
drivers/usb/dwc2/platform.c | 30 ++++++++++++++++++++++++++++++
1 file changed, 30 insertions(+)
diff --git a/drivers/usb/dwc2/platform.c b/drivers/usb/dwc2/platform.c
index ae095f0..f7c67db 100644
--- a/drivers/usb/dwc2/platform.c
+++ b/drivers/usb/dwc2/platform.c
@@ -50,6 +50,35 @@
static const char dwc2_driver_name[] = "dwc2";
+static const struct dwc2_core_params params_hi6220 = {
+ .otg_cap = 2, /* No HNP/SRP capable */
+ .otg_ver = 0, /* 1.3 */
+ .dma_enable = 1,
+ .dma_desc_enable = 0,
+ .speed = 0, /* High Speed */
+ .enable_dynamic_fifo = 1,
+ .en_multiple_tx_fifo = 1,
+ .host_rx_fifo_size = 512,
+ .host_nperio_tx_fifo_size = 512,
+ .host_perio_tx_fifo_size = 512,
+ .max_transfer_size = 65535,
+ .max_packet_count = 511,
+ .host_channels = 16,
+ .phy_type = 1, /* UTMI */
+ .phy_utmi_width = 8,
+ .phy_ulpi_ddr = 0, /* Single */
+ .phy_ulpi_ext_vbus = 0,
+ .i2c_enable = 0,
+ .ulpi_fs_ls = 0,
+ .host_support_fs_ls_low_power = 0,
+ .host_ls_low_power_phy_clk = 0, /* 48 MHz */
+ .ts_dline = 0,
+ .reload_ctl = 0,
+ .ahbcfg = GAHBCFG_HBSTLEN_INCR16 <<
+ GAHBCFG_HBSTLEN_SHIFT,
+ .uframe_sched = 0,
+};
+
static const struct dwc2_core_params params_bcm2835 = {
.otg_cap = 0, /* HNP/SRP capable */
.otg_ver = 0, /* 1.3 */
@@ -129,6 +158,7 @@ static int dwc2_driver_remove(struct platform_device *dev)
static const struct of_device_id dwc2_of_match_table[] = {
{ .compatible = "brcm,bcm2835-usb", .data = ¶ms_bcm2835 },
+ { .compatible = "hisilicon,hi6220-usb", .data = ¶ms_hi6220 },
{ .compatible = "rockchip,rk3066-usb", .data = ¶ms_rk3066 },
{ .compatible = "snps,dwc2", .data = NULL },
{ .compatible = "samsung,s3c6400-hsotg", .data = NULL},
--
1.9.1
--
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^ permalink raw reply related [flat|nested] 14+ messages in thread
* [PATCH v3 3/5] usb: dwc2: platform: add hi6220 support
@ 2015-02-10 7:50 ` Zhangfei Gao
0 siblings, 0 replies; 14+ messages in thread
From: Zhangfei Gao @ 2015-02-10 7:50 UTC (permalink / raw)
To: linux-arm-kernel
Signed-off-by: Zhangfei Gao <zhangfei.gao@linaro.org>
---
drivers/usb/dwc2/platform.c | 30 ++++++++++++++++++++++++++++++
1 file changed, 30 insertions(+)
diff --git a/drivers/usb/dwc2/platform.c b/drivers/usb/dwc2/platform.c
index ae095f0..f7c67db 100644
--- a/drivers/usb/dwc2/platform.c
+++ b/drivers/usb/dwc2/platform.c
@@ -50,6 +50,35 @@
static const char dwc2_driver_name[] = "dwc2";
+static const struct dwc2_core_params params_hi6220 = {
+ .otg_cap = 2, /* No HNP/SRP capable */
+ .otg_ver = 0, /* 1.3 */
+ .dma_enable = 1,
+ .dma_desc_enable = 0,
+ .speed = 0, /* High Speed */
+ .enable_dynamic_fifo = 1,
+ .en_multiple_tx_fifo = 1,
+ .host_rx_fifo_size = 512,
+ .host_nperio_tx_fifo_size = 512,
+ .host_perio_tx_fifo_size = 512,
+ .max_transfer_size = 65535,
+ .max_packet_count = 511,
+ .host_channels = 16,
+ .phy_type = 1, /* UTMI */
+ .phy_utmi_width = 8,
+ .phy_ulpi_ddr = 0, /* Single */
+ .phy_ulpi_ext_vbus = 0,
+ .i2c_enable = 0,
+ .ulpi_fs_ls = 0,
+ .host_support_fs_ls_low_power = 0,
+ .host_ls_low_power_phy_clk = 0, /* 48 MHz */
+ .ts_dline = 0,
+ .reload_ctl = 0,
+ .ahbcfg = GAHBCFG_HBSTLEN_INCR16 <<
+ GAHBCFG_HBSTLEN_SHIFT,
+ .uframe_sched = 0,
+};
+
static const struct dwc2_core_params params_bcm2835 = {
.otg_cap = 0, /* HNP/SRP capable */
.otg_ver = 0, /* 1.3 */
@@ -129,6 +158,7 @@ static int dwc2_driver_remove(struct platform_device *dev)
static const struct of_device_id dwc2_of_match_table[] = {
{ .compatible = "brcm,bcm2835-usb", .data = ¶ms_bcm2835 },
+ { .compatible = "hisilicon,hi6220-usb", .data = ¶ms_hi6220 },
{ .compatible = "rockchip,rk3066-usb", .data = ¶ms_rk3066 },
{ .compatible = "snps,dwc2", .data = NULL },
{ .compatible = "samsung,s3c6400-hsotg", .data = NULL},
--
1.9.1
^ permalink raw reply related [flat|nested] 14+ messages in thread
* [PATCH v3 4/5] usb: phy: load usb phy earlier
2015-02-10 7:50 ` Zhangfei Gao
@ 2015-02-10 7:50 ` Zhangfei Gao
-1 siblings, 0 replies; 14+ messages in thread
From: Zhangfei Gao @ 2015-02-10 7:50 UTC (permalink / raw)
To: balbi-l0cyMroinI0, john.youn-HKixBCOQz3hWk0Htik3J/w,
Mian Yousaf Kaukab, dan . zhao, Wangbinghui, Peter Chen,
Sergei Shtylyov
Cc: linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r,
devicetree-u79uwXL29TY76Z2rM5mHXA,
linux-usb-u79uwXL29TY76Z2rM5mHXA, Zhangfei Gao
Since phy is definitely used in usb controller, load the phy
earlier to make boot time shorter.
Signed-off-by: Zhangfei Gao <zhangfei.gao-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
Acked-by: Peter Chen <peter.chen-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
---
drivers/usb/Makefile | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/usb/Makefile b/drivers/usb/Makefile
index 2f1e2aa..d8926c6 100644
--- a/drivers/usb/Makefile
+++ b/drivers/usb/Makefile
@@ -5,6 +5,7 @@
# Object files in subdirectories
obj-$(CONFIG_USB) += core/
+obj-$(CONFIG_USB_SUPPORT) += phy/
obj-$(CONFIG_USB_DWC3) += dwc3/
obj-$(CONFIG_USB_DWC2) += dwc2/
@@ -48,7 +49,6 @@ obj-$(CONFIG_USB_MICROTEK) += image/
obj-$(CONFIG_USB_SERIAL) += serial/
obj-$(CONFIG_USB) += misc/
-obj-$(CONFIG_USB_SUPPORT) += phy/
obj-$(CONFIG_EARLY_PRINTK_DBGP) += early/
obj-$(CONFIG_USB_ATM) += atm/
--
1.9.1
--
To unsubscribe from this list: send the line "unsubscribe linux-usb" in
the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
^ permalink raw reply related [flat|nested] 14+ messages in thread
* [PATCH v3 4/5] usb: phy: load usb phy earlier
@ 2015-02-10 7:50 ` Zhangfei Gao
0 siblings, 0 replies; 14+ messages in thread
From: Zhangfei Gao @ 2015-02-10 7:50 UTC (permalink / raw)
To: linux-arm-kernel
Since phy is definitely used in usb controller, load the phy
earlier to make boot time shorter.
Signed-off-by: Zhangfei Gao <zhangfei.gao@linaro.org>
Acked-by: Peter Chen <peter.chen@freescale.com>
---
drivers/usb/Makefile | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/usb/Makefile b/drivers/usb/Makefile
index 2f1e2aa..d8926c6 100644
--- a/drivers/usb/Makefile
+++ b/drivers/usb/Makefile
@@ -5,6 +5,7 @@
# Object files in subdirectories
obj-$(CONFIG_USB) += core/
+obj-$(CONFIG_USB_SUPPORT) += phy/
obj-$(CONFIG_USB_DWC3) += dwc3/
obj-$(CONFIG_USB_DWC2) += dwc2/
@@ -48,7 +49,6 @@ obj-$(CONFIG_USB_MICROTEK) += image/
obj-$(CONFIG_USB_SERIAL) += serial/
obj-$(CONFIG_USB) += misc/
-obj-$(CONFIG_USB_SUPPORT) += phy/
obj-$(CONFIG_EARLY_PRINTK_DBGP) += early/
obj-$(CONFIG_USB_ATM) += atm/
--
1.9.1
^ permalink raw reply related [flat|nested] 14+ messages in thread
* [PATCH v3 5/5] usb: phy: add phy-hi6220-usb
2015-02-10 7:50 ` Zhangfei Gao
@ 2015-02-10 7:50 ` Zhangfei Gao
-1 siblings, 0 replies; 14+ messages in thread
From: Zhangfei Gao @ 2015-02-10 7:50 UTC (permalink / raw)
To: balbi-l0cyMroinI0, john.youn-HKixBCOQz3hWk0Htik3J/w,
Mian Yousaf Kaukab, dan . zhao, Wangbinghui, Peter Chen,
Sergei Shtylyov
Cc: linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r,
devicetree-u79uwXL29TY76Z2rM5mHXA,
linux-usb-u79uwXL29TY76Z2rM5mHXA, Zhangfei Gao
Add usb phy controller for hi6220 platform
Signed-off-by: Zhangfei Gao <zhangfei.gao-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
---
drivers/usb/phy/Kconfig | 9 ++
drivers/usb/phy/Makefile | 1 +
drivers/usb/phy/phy-hi6220-usb.c | 308 +++++++++++++++++++++++++++++++++++++++
3 files changed, 318 insertions(+)
create mode 100644 drivers/usb/phy/phy-hi6220-usb.c
diff --git a/drivers/usb/phy/Kconfig b/drivers/usb/phy/Kconfig
index c6d0c8e..405a3d0 100644
--- a/drivers/usb/phy/Kconfig
+++ b/drivers/usb/phy/Kconfig
@@ -173,6 +173,15 @@ config USB_MXS_PHY
MXS Phy is used by some of the i.MX SoCs, for example imx23/28/6x.
+config USB_HI6220_PHY
+ tristate "hi6220 USB PHY support"
+ select USB_PHY
+ select MFD_SYSCON
+ help
+ Enable this to support the HISILICON HI6220 USB PHY.
+
+ To compile this driver as a module, choose M here.
+
config USB_RCAR_PHY
tristate "Renesas R-Car USB PHY support"
depends on USB || USB_GADGET
diff --git a/drivers/usb/phy/Makefile b/drivers/usb/phy/Makefile
index 75f2bba..00172d3 100644
--- a/drivers/usb/phy/Makefile
+++ b/drivers/usb/phy/Makefile
@@ -18,6 +18,7 @@ obj-$(CONFIG_SAMSUNG_USBPHY) += phy-samsung-usb.o
obj-$(CONFIG_TWL6030_USB) += phy-twl6030-usb.o
obj-$(CONFIG_USB_EHCI_TEGRA) += phy-tegra-usb.o
obj-$(CONFIG_USB_GPIO_VBUS) += phy-gpio-vbus-usb.o
+obj-$(CONFIG_USB_HI6220_PHY) += phy-hi6220-usb.o
obj-$(CONFIG_USB_ISP1301) += phy-isp1301.o
obj-$(CONFIG_USB_MSM_OTG) += phy-msm-usb.o
obj-$(CONFIG_USB_MV_OTG) += phy-mv-usb.o
diff --git a/drivers/usb/phy/phy-hi6220-usb.c b/drivers/usb/phy/phy-hi6220-usb.c
new file mode 100644
index 0000000..b251e85
--- /dev/null
+++ b/drivers/usb/phy/phy-hi6220-usb.c
@@ -0,0 +1,308 @@
+/*
+ * Copyright (c) 2015 Linaro Ltd.
+ * Copyright (c) 2015 Hisilicon Limited.
+ *
+ * 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/clk.h>
+#include <linux/mfd/syscon.h>
+#include <linux/of_gpio.h>
+#include <linux/platform_device.h>
+#include <linux/regmap.h>
+#include <linux/regulator/consumer.h>
+#include <linux/usb/gadget.h>
+#include <linux/usb/otg.h>
+
+#define SC_PERIPH_CTRL4 0x00c
+
+#define CTRL4_PICO_SIDDQ BIT(6)
+#define CTRL4_PICO_OGDISABLE BIT(8)
+#define CTRL4_PICO_VBUSVLDEXT BIT(10)
+#define CTRL4_PICO_VBUSVLDEXTSEL BIT(11)
+#define CTRL4_OTG_PHY_SEL BIT(21)
+
+#define SC_PERIPH_CTRL5 0x010
+
+#define CTRL5_USBOTG_RES_SEL BIT(3)
+#define CTRL5_PICOPHY_ACAENB BIT(4)
+#define CTRL5_PICOPHY_BC_MODE BIT(5)
+#define CTRL5_PICOPHY_CHRGSEL BIT(6)
+#define CTRL5_PICOPHY_VDATSRCEND BIT(7)
+#define CTRL5_PICOPHY_VDATDETENB BIT(8)
+#define CTRL5_PICOPHY_DCDENB BIT(9)
+#define CTRL5_PICOPHY_IDDIG BIT(10)
+
+#define SC_PERIPH_CTRL8 0x018
+#define SC_PERIPH_RSTEN0 0x300
+#define SC_PERIPH_RSTDIS0 0x304
+
+#define RST0_USBOTG_BUS BIT(4)
+#define RST0_POR_PICOPHY BIT(5)
+#define RST0_USBOTG BIT(6)
+#define RST0_USBOTG_32K BIT(7)
+
+#define EYE_PATTERN_PARA 0x7053348c
+
+struct hi6220_priv {
+ struct usb_phy phy;
+ struct delayed_work work;
+ struct regmap *reg;
+ struct clk *clk;
+ struct regulator *vcc;
+ struct device *dev;
+ int gpio_vbus;
+ int gpio_id;
+ enum usb_otg_state state;
+};
+
+static void hi6220_start_periphrals(struct hi6220_priv *priv, bool on)
+{
+ struct usb_otg *otg = priv->phy.otg;
+
+ if (!otg->gadget)
+ return;
+
+ if (on)
+ usb_gadget_connect(otg->gadget);
+ else
+ usb_gadget_disconnect(otg->gadget);
+}
+
+static void hi6220_detect_work(struct work_struct *work)
+{
+ struct hi6220_priv *priv =
+ container_of(work, struct hi6220_priv, work.work);
+ int gpio_id, gpio_vbus;
+ enum usb_otg_state state;
+
+ if (!gpio_is_valid(priv->gpio_id) || !gpio_is_valid(priv->gpio_vbus))
+ return;
+
+ gpio_id = gpio_get_value_cansleep(priv->gpio_id);
+ gpio_vbus = gpio_get_value_cansleep(priv->gpio_vbus);
+
+ if (gpio_vbus == 0) {
+ if (gpio_id == 1)
+ state = OTG_STATE_B_PERIPHERAL;
+ else
+ state = OTG_STATE_A_HOST;
+ } else {
+ state = OTG_STATE_A_HOST;
+ }
+
+ if (priv->state != state) {
+ hi6220_start_periphrals(priv, state == OTG_STATE_B_PERIPHERAL);
+ priv->state = state;
+ }
+}
+
+static irqreturn_t hiusb_gpio_intr(int irq, void *data)
+{
+ struct hi6220_priv *priv = (struct hi6220_priv *)data;
+
+ /* add debounce time */
+ schedule_delayed_work(&priv->work, msecs_to_jiffies(100));
+ return IRQ_HANDLED;
+}
+
+static int hi6220_set_peripheral(struct usb_otg *otg, struct usb_gadget *gadget)
+{
+ otg->gadget = gadget;
+ return 0;
+}
+
+static int hi6220_phy_setup(struct hi6220_priv *priv, bool on)
+{
+ struct regmap *reg = priv->reg;
+ u32 val, mask;
+ int ret;
+
+ if (priv->reg == NULL)
+ return 0;
+
+ if (on) {
+ val = RST0_USBOTG_BUS | RST0_POR_PICOPHY |
+ RST0_USBOTG | RST0_USBOTG_32K;
+ mask = val;
+ ret = regmap_update_bits(reg, SC_PERIPH_RSTDIS0, mask, val);
+ if (ret)
+ goto out;
+
+ ret = regmap_read(reg, SC_PERIPH_CTRL5, &val);
+ val = CTRL5_USBOTG_RES_SEL | CTRL5_PICOPHY_ACAENB;
+ mask = val | CTRL5_PICOPHY_BC_MODE;
+ ret = regmap_update_bits(reg, SC_PERIPH_CTRL5, mask, val);
+ if (ret)
+ goto out;
+
+ val = CTRL4_PICO_VBUSVLDEXT | CTRL4_PICO_VBUSVLDEXTSEL |
+ CTRL4_OTG_PHY_SEL;
+ mask = val | CTRL4_PICO_SIDDQ | CTRL4_PICO_OGDISABLE;
+ ret = regmap_update_bits(reg, SC_PERIPH_CTRL4, mask, val);
+ if (ret)
+ goto out;
+
+ ret = regmap_write(reg, SC_PERIPH_CTRL8, EYE_PATTERN_PARA);
+ if (ret)
+ goto out;
+ } else {
+ val = CTRL4_PICO_SIDDQ;
+ mask = val;
+ ret = regmap_update_bits(reg, SC_PERIPH_CTRL4, mask, val);
+ if (ret)
+ goto out;
+
+ ret = regmap_read(reg, SC_PERIPH_CTRL4, &val);
+ val = RST0_USBOTG_BUS | RST0_POR_PICOPHY |
+ RST0_USBOTG | RST0_USBOTG_32K;
+ mask = val;
+ ret = regmap_update_bits(reg, SC_PERIPH_RSTEN0, mask, val);
+ if (ret)
+ goto out;
+ }
+
+ return 0;
+out:
+ dev_err(priv->dev, "failed to setup phy ret: %d\n", ret);
+ return ret;
+}
+
+static int hi6220_phy_probe(struct platform_device *pdev)
+{
+ struct hi6220_priv *priv;
+ struct usb_otg *otg;
+ struct device_node *np = pdev->dev.of_node;
+ struct device *dev = &pdev->dev;
+ int ret, irq;
+
+ priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
+
+ otg = devm_kzalloc(dev, sizeof(*otg), GFP_KERNEL);
+ if (!otg)
+ return -ENOMEM;
+
+ priv->dev = dev;
+ priv->phy.dev = &pdev->dev;
+ priv->phy.otg = otg;
+ priv->phy.label = "hi6220";
+ priv->phy.type = USB_PHY_TYPE_USB2;
+ otg->set_peripheral = hi6220_set_peripheral;
+ platform_set_drvdata(pdev, priv);
+
+ priv->gpio_vbus = of_get_named_gpio(np, "hisilicon,gpio-vbus", 0);
+ if (priv->gpio_vbus == -EPROBE_DEFER)
+ return -EPROBE_DEFER;
+ if (!gpio_is_valid(priv->gpio_vbus)) {
+ dev_err(dev, "invalid gpio %d\n", priv->gpio_vbus);
+ return -ENODEV;
+ }
+
+ priv->gpio_id = of_get_named_gpio(np, "hisilicon,gpio-id", 0);
+ if (priv->gpio_id == -EPROBE_DEFER)
+ return -EPROBE_DEFER;
+ if (!gpio_is_valid(priv->gpio_id)) {
+ dev_err(dev, "invalid gpio %d\n", priv->gpio_id);
+ return -ENODEV;
+ }
+
+ priv->reg = syscon_regmap_lookup_by_phandle(pdev->dev.of_node,
+ "hisilicon,peripheral-syscon");
+ if (IS_ERR(priv->reg))
+ priv->reg = NULL;
+
+ ret = devm_gpio_request_one(dev, priv->gpio_vbus,
+ GPIOF_IN, "gpio_vbus");
+ if (ret < 0) {
+ dev_err(dev, "gpio request failed for gpio_vbus\n");
+ return ret;
+ }
+
+ ret = devm_gpio_request_one(dev, priv->gpio_id, GPIOF_IN, "gpio_id");
+ if (ret < 0) {
+ dev_err(dev, "gpio request failed for gpio_id\n");
+ return ret;
+ }
+
+ priv->vcc = devm_regulator_get(dev, "vcc");
+ if (IS_ERR(priv->vcc)) {
+ if (PTR_ERR(priv->vcc) == -EPROBE_DEFER)
+ return -EPROBE_DEFER;
+ dev_info(dev, "No regulator found\n");
+ } else {
+ ret = regulator_enable(priv->vcc);
+ if (ret) {
+ dev_err(dev, "Failed to enable regulator\n");
+ return -ENODEV;
+ }
+ }
+
+ priv->clk = devm_clk_get(dev, NULL);
+ if (IS_ERR(priv->clk)) {
+ regulator_disable(priv->vcc);
+ return PTR_ERR(priv->clk);
+ }
+ clk_prepare_enable(priv->clk);
+ INIT_DELAYED_WORK(&priv->work, hi6220_detect_work);
+
+ irq = gpio_to_irq(priv->gpio_vbus);
+ ret = devm_request_irq(dev, gpio_to_irq(priv->gpio_vbus),
+ hiusb_gpio_intr, IRQF_NO_SUSPEND |
+ IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
+ "vbus_gpio_intr", priv);
+ if (ret) {
+ dev_err(dev, "request gpio irq failed.\n");
+ goto err_irq;
+ }
+
+ hi6220_phy_setup(priv, true);
+ ret = usb_add_phy_dev(&priv->phy);
+ if (ret) {
+ dev_err(dev, "Can't register transceiver\n");
+ goto err_irq;
+ }
+ schedule_delayed_work(&priv->work, 0);
+
+ return 0;
+err_irq:
+ cancel_delayed_work_sync(&priv->work);
+ clk_disable_unprepare(priv->clk);
+ regulator_disable(priv->vcc);
+ return ret;
+}
+
+static int hi6220_phy_remove(struct platform_device *pdev)
+{
+ struct hi6220_priv *priv = platform_get_drvdata(pdev);
+
+ cancel_delayed_work_sync(&priv->work);
+ hi6220_phy_setup(priv, false);
+ clk_disable_unprepare(priv->clk);
+ regulator_disable(priv->vcc);
+ return 0;
+}
+
+static const struct of_device_id hi6220_phy_of_match[] = {
+ {.compatible = "hisilicon,hi6220-usb-phy",},
+ { },
+};
+MODULE_DEVICE_TABLE(of, hi6220_phy_of_match);
+
+static struct platform_driver hi6220_phy_driver = {
+ .probe = hi6220_phy_probe,
+ .remove = hi6220_phy_remove,
+ .driver = {
+ .name = "hi6220-usb-phy",
+ .of_match_table = hi6220_phy_of_match,
+ }
+};
+module_platform_driver(hi6220_phy_driver);
+
+MODULE_DESCRIPTION("HISILICON HI6220 USB PHY driver");
+MODULE_ALIAS("platform:hi6220-usb-phy");
+MODULE_LICENSE("GPL");
--
1.9.1
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^ permalink raw reply related [flat|nested] 14+ messages in thread
* [PATCH v3 5/5] usb: phy: add phy-hi6220-usb
@ 2015-02-10 7:50 ` Zhangfei Gao
0 siblings, 0 replies; 14+ messages in thread
From: Zhangfei Gao @ 2015-02-10 7:50 UTC (permalink / raw)
To: linux-arm-kernel
Add usb phy controller for hi6220 platform
Signed-off-by: Zhangfei Gao <zhangfei.gao@linaro.org>
---
drivers/usb/phy/Kconfig | 9 ++
drivers/usb/phy/Makefile | 1 +
drivers/usb/phy/phy-hi6220-usb.c | 308 +++++++++++++++++++++++++++++++++++++++
3 files changed, 318 insertions(+)
create mode 100644 drivers/usb/phy/phy-hi6220-usb.c
diff --git a/drivers/usb/phy/Kconfig b/drivers/usb/phy/Kconfig
index c6d0c8e..405a3d0 100644
--- a/drivers/usb/phy/Kconfig
+++ b/drivers/usb/phy/Kconfig
@@ -173,6 +173,15 @@ config USB_MXS_PHY
MXS Phy is used by some of the i.MX SoCs, for example imx23/28/6x.
+config USB_HI6220_PHY
+ tristate "hi6220 USB PHY support"
+ select USB_PHY
+ select MFD_SYSCON
+ help
+ Enable this to support the HISILICON HI6220 USB PHY.
+
+ To compile this driver as a module, choose M here.
+
config USB_RCAR_PHY
tristate "Renesas R-Car USB PHY support"
depends on USB || USB_GADGET
diff --git a/drivers/usb/phy/Makefile b/drivers/usb/phy/Makefile
index 75f2bba..00172d3 100644
--- a/drivers/usb/phy/Makefile
+++ b/drivers/usb/phy/Makefile
@@ -18,6 +18,7 @@ obj-$(CONFIG_SAMSUNG_USBPHY) += phy-samsung-usb.o
obj-$(CONFIG_TWL6030_USB) += phy-twl6030-usb.o
obj-$(CONFIG_USB_EHCI_TEGRA) += phy-tegra-usb.o
obj-$(CONFIG_USB_GPIO_VBUS) += phy-gpio-vbus-usb.o
+obj-$(CONFIG_USB_HI6220_PHY) += phy-hi6220-usb.o
obj-$(CONFIG_USB_ISP1301) += phy-isp1301.o
obj-$(CONFIG_USB_MSM_OTG) += phy-msm-usb.o
obj-$(CONFIG_USB_MV_OTG) += phy-mv-usb.o
diff --git a/drivers/usb/phy/phy-hi6220-usb.c b/drivers/usb/phy/phy-hi6220-usb.c
new file mode 100644
index 0000000..b251e85
--- /dev/null
+++ b/drivers/usb/phy/phy-hi6220-usb.c
@@ -0,0 +1,308 @@
+/*
+ * Copyright (c) 2015 Linaro Ltd.
+ * Copyright (c) 2015 Hisilicon Limited.
+ *
+ * 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/clk.h>
+#include <linux/mfd/syscon.h>
+#include <linux/of_gpio.h>
+#include <linux/platform_device.h>
+#include <linux/regmap.h>
+#include <linux/regulator/consumer.h>
+#include <linux/usb/gadget.h>
+#include <linux/usb/otg.h>
+
+#define SC_PERIPH_CTRL4 0x00c
+
+#define CTRL4_PICO_SIDDQ BIT(6)
+#define CTRL4_PICO_OGDISABLE BIT(8)
+#define CTRL4_PICO_VBUSVLDEXT BIT(10)
+#define CTRL4_PICO_VBUSVLDEXTSEL BIT(11)
+#define CTRL4_OTG_PHY_SEL BIT(21)
+
+#define SC_PERIPH_CTRL5 0x010
+
+#define CTRL5_USBOTG_RES_SEL BIT(3)
+#define CTRL5_PICOPHY_ACAENB BIT(4)
+#define CTRL5_PICOPHY_BC_MODE BIT(5)
+#define CTRL5_PICOPHY_CHRGSEL BIT(6)
+#define CTRL5_PICOPHY_VDATSRCEND BIT(7)
+#define CTRL5_PICOPHY_VDATDETENB BIT(8)
+#define CTRL5_PICOPHY_DCDENB BIT(9)
+#define CTRL5_PICOPHY_IDDIG BIT(10)
+
+#define SC_PERIPH_CTRL8 0x018
+#define SC_PERIPH_RSTEN0 0x300
+#define SC_PERIPH_RSTDIS0 0x304
+
+#define RST0_USBOTG_BUS BIT(4)
+#define RST0_POR_PICOPHY BIT(5)
+#define RST0_USBOTG BIT(6)
+#define RST0_USBOTG_32K BIT(7)
+
+#define EYE_PATTERN_PARA 0x7053348c
+
+struct hi6220_priv {
+ struct usb_phy phy;
+ struct delayed_work work;
+ struct regmap *reg;
+ struct clk *clk;
+ struct regulator *vcc;
+ struct device *dev;
+ int gpio_vbus;
+ int gpio_id;
+ enum usb_otg_state state;
+};
+
+static void hi6220_start_periphrals(struct hi6220_priv *priv, bool on)
+{
+ struct usb_otg *otg = priv->phy.otg;
+
+ if (!otg->gadget)
+ return;
+
+ if (on)
+ usb_gadget_connect(otg->gadget);
+ else
+ usb_gadget_disconnect(otg->gadget);
+}
+
+static void hi6220_detect_work(struct work_struct *work)
+{
+ struct hi6220_priv *priv =
+ container_of(work, struct hi6220_priv, work.work);
+ int gpio_id, gpio_vbus;
+ enum usb_otg_state state;
+
+ if (!gpio_is_valid(priv->gpio_id) || !gpio_is_valid(priv->gpio_vbus))
+ return;
+
+ gpio_id = gpio_get_value_cansleep(priv->gpio_id);
+ gpio_vbus = gpio_get_value_cansleep(priv->gpio_vbus);
+
+ if (gpio_vbus == 0) {
+ if (gpio_id == 1)
+ state = OTG_STATE_B_PERIPHERAL;
+ else
+ state = OTG_STATE_A_HOST;
+ } else {
+ state = OTG_STATE_A_HOST;
+ }
+
+ if (priv->state != state) {
+ hi6220_start_periphrals(priv, state == OTG_STATE_B_PERIPHERAL);
+ priv->state = state;
+ }
+}
+
+static irqreturn_t hiusb_gpio_intr(int irq, void *data)
+{
+ struct hi6220_priv *priv = (struct hi6220_priv *)data;
+
+ /* add debounce time */
+ schedule_delayed_work(&priv->work, msecs_to_jiffies(100));
+ return IRQ_HANDLED;
+}
+
+static int hi6220_set_peripheral(struct usb_otg *otg, struct usb_gadget *gadget)
+{
+ otg->gadget = gadget;
+ return 0;
+}
+
+static int hi6220_phy_setup(struct hi6220_priv *priv, bool on)
+{
+ struct regmap *reg = priv->reg;
+ u32 val, mask;
+ int ret;
+
+ if (priv->reg == NULL)
+ return 0;
+
+ if (on) {
+ val = RST0_USBOTG_BUS | RST0_POR_PICOPHY |
+ RST0_USBOTG | RST0_USBOTG_32K;
+ mask = val;
+ ret = regmap_update_bits(reg, SC_PERIPH_RSTDIS0, mask, val);
+ if (ret)
+ goto out;
+
+ ret = regmap_read(reg, SC_PERIPH_CTRL5, &val);
+ val = CTRL5_USBOTG_RES_SEL | CTRL5_PICOPHY_ACAENB;
+ mask = val | CTRL5_PICOPHY_BC_MODE;
+ ret = regmap_update_bits(reg, SC_PERIPH_CTRL5, mask, val);
+ if (ret)
+ goto out;
+
+ val = CTRL4_PICO_VBUSVLDEXT | CTRL4_PICO_VBUSVLDEXTSEL |
+ CTRL4_OTG_PHY_SEL;
+ mask = val | CTRL4_PICO_SIDDQ | CTRL4_PICO_OGDISABLE;
+ ret = regmap_update_bits(reg, SC_PERIPH_CTRL4, mask, val);
+ if (ret)
+ goto out;
+
+ ret = regmap_write(reg, SC_PERIPH_CTRL8, EYE_PATTERN_PARA);
+ if (ret)
+ goto out;
+ } else {
+ val = CTRL4_PICO_SIDDQ;
+ mask = val;
+ ret = regmap_update_bits(reg, SC_PERIPH_CTRL4, mask, val);
+ if (ret)
+ goto out;
+
+ ret = regmap_read(reg, SC_PERIPH_CTRL4, &val);
+ val = RST0_USBOTG_BUS | RST0_POR_PICOPHY |
+ RST0_USBOTG | RST0_USBOTG_32K;
+ mask = val;
+ ret = regmap_update_bits(reg, SC_PERIPH_RSTEN0, mask, val);
+ if (ret)
+ goto out;
+ }
+
+ return 0;
+out:
+ dev_err(priv->dev, "failed to setup phy ret: %d\n", ret);
+ return ret;
+}
+
+static int hi6220_phy_probe(struct platform_device *pdev)
+{
+ struct hi6220_priv *priv;
+ struct usb_otg *otg;
+ struct device_node *np = pdev->dev.of_node;
+ struct device *dev = &pdev->dev;
+ int ret, irq;
+
+ priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
+
+ otg = devm_kzalloc(dev, sizeof(*otg), GFP_KERNEL);
+ if (!otg)
+ return -ENOMEM;
+
+ priv->dev = dev;
+ priv->phy.dev = &pdev->dev;
+ priv->phy.otg = otg;
+ priv->phy.label = "hi6220";
+ priv->phy.type = USB_PHY_TYPE_USB2;
+ otg->set_peripheral = hi6220_set_peripheral;
+ platform_set_drvdata(pdev, priv);
+
+ priv->gpio_vbus = of_get_named_gpio(np, "hisilicon,gpio-vbus", 0);
+ if (priv->gpio_vbus == -EPROBE_DEFER)
+ return -EPROBE_DEFER;
+ if (!gpio_is_valid(priv->gpio_vbus)) {
+ dev_err(dev, "invalid gpio %d\n", priv->gpio_vbus);
+ return -ENODEV;
+ }
+
+ priv->gpio_id = of_get_named_gpio(np, "hisilicon,gpio-id", 0);
+ if (priv->gpio_id == -EPROBE_DEFER)
+ return -EPROBE_DEFER;
+ if (!gpio_is_valid(priv->gpio_id)) {
+ dev_err(dev, "invalid gpio %d\n", priv->gpio_id);
+ return -ENODEV;
+ }
+
+ priv->reg = syscon_regmap_lookup_by_phandle(pdev->dev.of_node,
+ "hisilicon,peripheral-syscon");
+ if (IS_ERR(priv->reg))
+ priv->reg = NULL;
+
+ ret = devm_gpio_request_one(dev, priv->gpio_vbus,
+ GPIOF_IN, "gpio_vbus");
+ if (ret < 0) {
+ dev_err(dev, "gpio request failed for gpio_vbus\n");
+ return ret;
+ }
+
+ ret = devm_gpio_request_one(dev, priv->gpio_id, GPIOF_IN, "gpio_id");
+ if (ret < 0) {
+ dev_err(dev, "gpio request failed for gpio_id\n");
+ return ret;
+ }
+
+ priv->vcc = devm_regulator_get(dev, "vcc");
+ if (IS_ERR(priv->vcc)) {
+ if (PTR_ERR(priv->vcc) == -EPROBE_DEFER)
+ return -EPROBE_DEFER;
+ dev_info(dev, "No regulator found\n");
+ } else {
+ ret = regulator_enable(priv->vcc);
+ if (ret) {
+ dev_err(dev, "Failed to enable regulator\n");
+ return -ENODEV;
+ }
+ }
+
+ priv->clk = devm_clk_get(dev, NULL);
+ if (IS_ERR(priv->clk)) {
+ regulator_disable(priv->vcc);
+ return PTR_ERR(priv->clk);
+ }
+ clk_prepare_enable(priv->clk);
+ INIT_DELAYED_WORK(&priv->work, hi6220_detect_work);
+
+ irq = gpio_to_irq(priv->gpio_vbus);
+ ret = devm_request_irq(dev, gpio_to_irq(priv->gpio_vbus),
+ hiusb_gpio_intr, IRQF_NO_SUSPEND |
+ IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
+ "vbus_gpio_intr", priv);
+ if (ret) {
+ dev_err(dev, "request gpio irq failed.\n");
+ goto err_irq;
+ }
+
+ hi6220_phy_setup(priv, true);
+ ret = usb_add_phy_dev(&priv->phy);
+ if (ret) {
+ dev_err(dev, "Can't register transceiver\n");
+ goto err_irq;
+ }
+ schedule_delayed_work(&priv->work, 0);
+
+ return 0;
+err_irq:
+ cancel_delayed_work_sync(&priv->work);
+ clk_disable_unprepare(priv->clk);
+ regulator_disable(priv->vcc);
+ return ret;
+}
+
+static int hi6220_phy_remove(struct platform_device *pdev)
+{
+ struct hi6220_priv *priv = platform_get_drvdata(pdev);
+
+ cancel_delayed_work_sync(&priv->work);
+ hi6220_phy_setup(priv, false);
+ clk_disable_unprepare(priv->clk);
+ regulator_disable(priv->vcc);
+ return 0;
+}
+
+static const struct of_device_id hi6220_phy_of_match[] = {
+ {.compatible = "hisilicon,hi6220-usb-phy",},
+ { },
+};
+MODULE_DEVICE_TABLE(of, hi6220_phy_of_match);
+
+static struct platform_driver hi6220_phy_driver = {
+ .probe = hi6220_phy_probe,
+ .remove = hi6220_phy_remove,
+ .driver = {
+ .name = "hi6220-usb-phy",
+ .of_match_table = hi6220_phy_of_match,
+ }
+};
+module_platform_driver(hi6220_phy_driver);
+
+MODULE_DESCRIPTION("HISILICON HI6220 USB PHY driver");
+MODULE_ALIAS("platform:hi6220-usb-phy");
+MODULE_LICENSE("GPL");
--
1.9.1
^ permalink raw reply related [flat|nested] 14+ messages in thread
* Re: [PATCH v3 2/5] Documentation: dt-bindings: add dt binding info for hi6220
2015-02-10 7:50 ` Zhangfei Gao
@ 2015-02-10 13:28 ` Mark Rutland
-1 siblings, 0 replies; 14+ messages in thread
From: Mark Rutland @ 2015-02-10 13:28 UTC (permalink / raw)
To: Zhangfei Gao
Cc: balbi-l0cyMroinI0, john.youn-HKixBCOQz3hWk0Htik3J/w,
Mian Yousaf Kaukab, dan . zhao, Wangbinghui, Peter Chen,
Sergei Shtylyov,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r,
devicetree-u79uwXL29TY76Z2rM5mHXA,
linux-usb-u79uwXL29TY76Z2rM5mHXA
On Tue, Feb 10, 2015 at 07:50:24AM +0000, Zhangfei Gao wrote:
> Signed-off-by: Zhangfei Gao <zhangfei.gao-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
> ---
> .../devicetree/bindings/usb/hi6220-usb.txt | 49 ++++++++++++++++++++++
> 1 file changed, 49 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/usb/hi6220-usb.txt
>
> diff --git a/Documentation/devicetree/bindings/usb/hi6220-usb.txt b/Documentation/devicetree/bindings/usb/hi6220-usb.txt
> new file mode 100644
> index 0000000..b8278de
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/usb/hi6220-usb.txt
> @@ -0,0 +1,49 @@
> +Hisilicon hi6220 SoC USB controller
> +-----------------------------
> +
> +usb controller is inherited from dwc2, refer dwc2.txt
> +-----
> +
> +Required properties:
> +- compatible: "hisilicon,hi6220-usb"
> +Refer to dwc2.txt for dwc2 usb properties
> +
> +
> +PHY:
> +-----
> +
> +Required properties:
> +- compatible: "hisilicon,hi6220-usb-phy"
> +- vcc-supply: phandle to the regulator that provides power to the PHY.
> +- clocks: phandle and clock specifier of the PHY clock.
> +- hisilicon,peripheral-syscon: phandle of syscon used to control peripheral.
> +- hisilicon,gpio-vbus: gpio of detecting vbus.
> +- hisilicon,gpio-id: gpio of detecting id.
These should be vbus-gpios and id-gpios respectively.
> +
> +Example:
> +
> + peripheral_ctrl: syscon@f7030000 {
> + compatible = "syscon";
> + reg = <0x0 0xf7030000 0x0 0x1000>;
> + };
We should have a real string for this in addition to "syscon".
Thanks,
Mark.
--
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^ permalink raw reply [flat|nested] 14+ messages in thread
* [PATCH v3 2/5] Documentation: dt-bindings: add dt binding info for hi6220
@ 2015-02-10 13:28 ` Mark Rutland
0 siblings, 0 replies; 14+ messages in thread
From: Mark Rutland @ 2015-02-10 13:28 UTC (permalink / raw)
To: linux-arm-kernel
On Tue, Feb 10, 2015 at 07:50:24AM +0000, Zhangfei Gao wrote:
> Signed-off-by: Zhangfei Gao <zhangfei.gao@linaro.org>
> ---
> .../devicetree/bindings/usb/hi6220-usb.txt | 49 ++++++++++++++++++++++
> 1 file changed, 49 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/usb/hi6220-usb.txt
>
> diff --git a/Documentation/devicetree/bindings/usb/hi6220-usb.txt b/Documentation/devicetree/bindings/usb/hi6220-usb.txt
> new file mode 100644
> index 0000000..b8278de
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/usb/hi6220-usb.txt
> @@ -0,0 +1,49 @@
> +Hisilicon hi6220 SoC USB controller
> +-----------------------------
> +
> +usb controller is inherited from dwc2, refer dwc2.txt
> +-----
> +
> +Required properties:
> +- compatible: "hisilicon,hi6220-usb"
> +Refer to dwc2.txt for dwc2 usb properties
> +
> +
> +PHY:
> +-----
> +
> +Required properties:
> +- compatible: "hisilicon,hi6220-usb-phy"
> +- vcc-supply: phandle to the regulator that provides power to the PHY.
> +- clocks: phandle and clock specifier of the PHY clock.
> +- hisilicon,peripheral-syscon: phandle of syscon used to control peripheral.
> +- hisilicon,gpio-vbus: gpio of detecting vbus.
> +- hisilicon,gpio-id: gpio of detecting id.
These should be vbus-gpios and id-gpios respectively.
> +
> +Example:
> +
> + peripheral_ctrl: syscon at f7030000 {
> + compatible = "syscon";
> + reg = <0x0 0xf7030000 0x0 0x1000>;
> + };
We should have a real string for this in addition to "syscon".
Thanks,
Mark.
^ permalink raw reply [flat|nested] 14+ messages in thread
end of thread, other threads:[~2015-02-10 13:28 UTC | newest]
Thread overview: 14+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2015-02-10 7:50 [PATCH v3 0/5] add usb support for hi6220 Zhangfei Gao
2015-02-10 7:50 ` Zhangfei Gao
[not found] ` <1423554627-694-1-git-send-email-zhangfei.gao-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2015-02-10 7:50 ` [PATCH v3 1/5] Documentation: dt-bindings: add dt binding info for hi6220 dwc2 Zhangfei Gao
2015-02-10 7:50 ` Zhangfei Gao
2015-02-10 7:50 ` [PATCH v3 2/5] Documentation: dt-bindings: add dt binding info for hi6220 Zhangfei Gao
2015-02-10 7:50 ` Zhangfei Gao
[not found] ` <1423554627-694-3-git-send-email-zhangfei.gao-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2015-02-10 13:28 ` Mark Rutland
2015-02-10 13:28 ` Mark Rutland
2015-02-10 7:50 ` [PATCH v3 3/5] usb: dwc2: platform: add hi6220 support Zhangfei Gao
2015-02-10 7:50 ` Zhangfei Gao
2015-02-10 7:50 ` [PATCH v3 4/5] usb: phy: load usb phy earlier Zhangfei Gao
2015-02-10 7:50 ` Zhangfei Gao
2015-02-10 7:50 ` [PATCH v3 5/5] usb: phy: add phy-hi6220-usb Zhangfei Gao
2015-02-10 7:50 ` Zhangfei Gao
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