From: Icenowy Zheng <icenowy@aosc.xyz>
Date: Sat, 25 Mar 2017 14:50:15 +0000 (+0800)
Subject: arm64: allwinner: h5: enable USB OTG on Orange Pi PC 2 board
X-Git-Tag: v4.12-rc1~52^2~12^2~1
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=5313ea66a458bdbd1077a3b9366efba64daa699d;p=karo-tx-linux.git

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>
---

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";
 };