[PATCH v2] arm64: allwinner: a64: a64-olinuxino: add usb otg

[Jagan Teki]

Add usb otg support for a64-olinuxino board,
- USB0-ID connected with PH9
- USB0-VBUSDET connected with PH6
- USB-DRVVBUS controlled by N_VBUSEN pin from PMIC

Signed-off-by: Jagan Teki <ja...@amarulasolutions.com>
---
Changes for v2:
- rebase on master
- tested otg host mode.

 .../boot/dts/allwinner/sun50i-a64-olinuxino.dts    | 26 ++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-olinuxino.dts 
b/arch/arm64/boot/dts/allwinner/sun50i-a64-olinuxino.dts
index 8807664..078ee94 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64-olinuxino.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-olinuxino.dts
@@ -64,6 +64,10 @@
        };
 };
 
+&ehci0 {
+       status = "okay";
+};
+
 &mmc0 {
        pinctrl-names = "default";
        pinctrl-0 = <&mmc0_pins>;
@@ -93,6 +97,10 @@
        };
 };
 
+&ohci0 {
+       status = "okay";
+};
+
 &r_rsb {
        status = "okay";
 
@@ -101,6 +109,7 @@
                reg = <0x3a3>;
                interrupt-parent = <&r_intc>;
                interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
+               x-powers,drive-vbus-en; /* set N_VBUSEN as output pin */
        };
 };
 
@@ -215,8 +224,25 @@
        regulator-name = "vcc-rtc";
 };
 
+&reg_drivevbus {
+       regulator-name = "usb0-vbus";
+       status = "okay";
+};
+
 &uart0 {
        pinctrl-names = "default";
        pinctrl-0 = <&uart0_pins_a>;
        status = "okay";
 };
+
+&usb_otg {
+       dr_mode = "otg";
+       status = "okay";
+};
+
+&usbphy {
+       usb0_id_det-gpios = <&pio 7 9 GPIO_ACTIVE_HIGH>; /* PH9 */
+       usb0_vbus_det-gpio = <&pio 7 6 GPIO_ACTIVE_HIGH>; /* PH6 */
+       usb0_vbus-supply = <&reg_drivevbus>;
+       status = "okay";
+};
-- 
2.7.4