[PATCH] ARM: dts: sun4i: Enable USB DRC on Hyundai-a7hd
Peter Korsgaard
peter at korsgaard.com
Tue Feb 16 13:00:04 PST 2016
Enable the OTG USB controller on the A7HD.
Signed-off-by: Peter Korsgaard <peter at korsgaard.com>
---
arch/arm/boot/dts/sun4i-a10-hyundai-a7hd.dts | 34 ++++++++++++++++++++++++++++
1 file changed, 34 insertions(+)
diff --git a/arch/arm/boot/dts/sun4i-a10-hyundai-a7hd.dts b/arch/arm/boot/dts/sun4i-a10-hyundai-a7hd.dts
index 43f58fb..9103864 100644
--- a/arch/arm/boot/dts/sun4i-a10-hyundai-a7hd.dts
+++ b/arch/arm/boot/dts/sun4i-a10-hyundai-a7hd.dts
@@ -87,6 +87,30 @@
status = "okay";
};
+&otg_sram {
+ status = "okay";
+};
+
+&pio {
+ usb0_id_detect_pin: usb0_id_detect_pin at 0 {
+ allwinner,pins = "PH4";
+ allwinner,function = "gpio_in";
+ allwinner,drive = <SUN4I_PINCTRL_10_MA>;
+ allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
+ };
+
+ usb0_vbus_detect_pin: usb0_vbus_detect_pin at 0 {
+ allwinner,pins = "PH5";
+ allwinner,function = "gpio_in";
+ allwinner,drive = <SUN4I_PINCTRL_10_MA>;
+ allwinner,pull = <SUN4I_PINCTRL_PULL_DOWN>;
+ };
+};
+
+®_usb0_vbus {
+ status = "okay";
+};
+
®_usb2_vbus {
gpio = <&pio 7 6 GPIO_ACTIVE_HIGH>; /* PH6 */
status = "okay";
@@ -102,7 +126,17 @@
allwinner,pins = "PH6";
};
+&usb_otg {
+ dr_mode = "otg";
+ status = "okay";
+};
+
&usbphy {
+ pinctrl-names = "default";
+ pinctrl-0 = <&usb0_id_detect_pin>, <&usb0_vbus_detect_pin>;
+ usb0_id_det-gpio = <&pio 7 4 GPIO_ACTIVE_HIGH>; /* PH4 */
+ usb0_vbus_det-gpio = <&pio 7 5 GPIO_ACTIVE_HIGH>; /* PH5 */
+ usb0_vbus-supply = <®_usb0_vbus>;
usb2_vbus-supply = <®_usb2_vbus>;
status = "okay";
};
--
2.1.4
More information about the linux-arm-kernel
mailing list