arm64: allwinner: h5: enable USB OTG on Orange Pi PC 2 board

Orange Pi PC 2 board features a OTG port like the one on older H3 Orange
Pi's, with PG12 pin being the id det pin and PL2 being the vbus driver
pin.

Add support for it.

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>

1 files changed, 26 insertions, 1 deletions

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h5-orangepi-pc2.dts b/arch/arm64/boot/dts/allwinner/sun50i-h5-orangepi-pc2.dts
index 30639729920d..dfecc17dcc92 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-h5-orangepi-pc2.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-h5-orangepi-pc2.dts
@@ -90,6 +90,16 @@
                         gpios = <&r_pio 0 3 GPIO_ACTIVE_LOW>;
                 };
         };
+
+        reg_usb0_vbus: usb0-vbus {
+                compatible = "regulator-fixed";
+                regulator-name = "usb0-vbus";
+                regulator-min-microvolt = <5000000>;
+                regulator-max-microvolt = <5000000>;
+                enable-active-high;
+                gpio = <&r_pio 0 2 GPIO_ACTIVE_HIGH>; /* PL2 */
+                status = "okay";
+        };
 };
 
 &codec {
@@ -100,6 +110,10 @@
         status = "okay";
 };
 
+&ehci0 {
+        status = "okay";
+};
+
 &ehci1 {
         status = "okay";
 };
@@ -127,6 +141,10 @@
         status = "okay";
 };
 
+&ohci0 {
+        status = "okay";
+};
+
 &ohci1 {
         status = "okay";
 };
@@ -157,7 +175,14 @@
         status = "disabled";
 };
 
+&usb_otg {
+        dr_mode = "otg";
+        status = "okay";
+};
+
 &usbphy {
-        /* USB VBUS is always on */
+        /* USB Type-A ports' VBUS is always on */
+        usb0_id_det-gpios = <&pio 6 12 GPIO_ACTIVE_HIGH>; /* PG12 */
+        usb0_vbus-supply = <&reg_usb0_vbus>;
         status = "okay";
 };