ARM: sun8i: h3: enable USB OTG on Orange Pi One

Orange Pi One features a MicroUSB port that can work in both host mode
and peripheral mode.

When in host mode, its VBUS is controlled via a GPIO; when in peripheral
mode, its VBUS cannot be used to power up the board.

Add support for this port.

Signed-off-by: Icenowy Zheng <icenowy@aosc.xyz>
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>

diff --git a/arch/arm/boot/dts/sun8i-h3-orangepi-one.dts b/arch/arm/boot/dts/sun8i-h3-orangepi-one.dts
index 34da853ee0372b6b284b72c371eb25c4a2ecb28e..b87778d742395a3cac3505fea5ca1ddf29fed767 100644 (file)
--- a/arch/arm/boot/dts/sun8i-h3-orangepi-one.dts
+++ b/arch/arm/boot/dts/sun8i-h3-orangepi-one.dts
@@ -90,6 +90,10 @@ sw4 {
        };
 };
 
+&ehci0 {
+       status = "okay";
+};
+
 &ehci1 {
        status = "okay";
 };
@@ -104,6 +108,10 @@ &mmc0 {
        status = "okay";
 };
 
+&ohci0 {
+       status = "okay";
+};
+
 &ohci1 {
        status = "okay";
 };
@@ -127,6 +135,11 @@ sw_r_opc: key_pins@0 {
        };
 };
 
+&reg_usb0_vbus {
+       gpio = <&r_pio 0 2 GPIO_ACTIVE_HIGH>; /* PL2 */
+       status = "okay";
+};
+
 &uart0 {
        pinctrl-names = "default";
        pinctrl-0 = <&uart0_pins_a>;
@@ -151,7 +164,14 @@ &uart3 {
        status = "disabled";
 };
 
+&usb_otg {
+       dr_mode = "otg";
+       status = "okay";
+};
+
 &usbphy {
-       /* USB VBUS is always on */
+       /* USB Type-A port's VBUS is always on */
+       usb0_id_det-gpios = <&pio 6 12 GPIO_ACTIVE_HIGH>; /* PG12 */
+       usb0_vbus-supply = <&reg_usb0_vbus>;
        status = "okay";
 };