[PATCH] ARM: dts: sun4i: Enable USB DRC on the Marsboard A10
Aleksei Mamlin
mamlinav at gmail.com
Thu Sep 24 00:33:46 PDT 2015
Enable the otg/drc usb controller on the Marsboard A10.
Similar to Cubieboard, the 5V of the otg is directly connected to the
general 5V, so we only use the id pin.
Signed-off-by: Aleksei Mamlin <mamlinav at gmail.com>
---
arch/arm/boot/dts/sun4i-a10-marsboard.dts | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)
diff --git a/arch/arm/boot/dts/sun4i-a10-marsboard.dts b/arch/arm/boot/dts/sun4i-a10-marsboard.dts
index 02158bc..9a012db 100644
--- a/arch/arm/boot/dts/sun4i-a10-marsboard.dts
+++ b/arch/arm/boot/dts/sun4i-a10-marsboard.dts
@@ -154,6 +154,10 @@
status = "okay";
};
+&otg_sram {
+ status = "okay";
+};
+
&pio {
led_pins_marsboard: led_pins at 0 {
allwinner,pins = "PB5", "PB6", "PB7", "PB8";
@@ -161,6 +165,13 @@
allwinner,drive = <SUN4I_PINCTRL_10_MA>;
allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
};
+
+ 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>;
+ };
};
®_usb1_vbus {
@@ -184,7 +195,15 @@
status = "okay";
};
+&usb_otg {
+ dr_mode = "otg";
+ status = "okay";
+};
+
&usbphy {
+ pinctrl-names = "default";
+ pinctrl-0 = <&usb0_id_detect_pin>;
+ usb0_id_det-gpio = <&pio 7 4 GPIO_ACTIVE_HIGH>; /* PH4 */
usb1_vbus-supply = <®_usb1_vbus>;
usb2_vbus-supply = <®_usb2_vbus>;
status = "okay";
--
2.4.9
More information about the linux-arm-kernel
mailing list