[linux-sunxi][PATCH v2] ARM: dts: sun7i: Enable USB DRC on Olimex A20 EVB

[codekipper]

From: Marcus Cooper <codekip...@gmail.com>

Enable the otg/drc usb controller on the Olimex A20 EVB.

Signed-off-by: Marcus Cooper <codekip...@gmail.com>
---
Changes since v1:
- Added vbus0 regulator and vbus0 detection to dts 

---
 arch/arm/boot/dts/sun7i-a20-olimex-som-evb.dts | 32 ++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)

diff --git a/arch/arm/boot/dts/sun7i-a20-olimex-som-evb.dts 
b/arch/arm/boot/dts/sun7i-a20-olimex-som-evb.dts
index c3c626b..23aacce 100644
--- a/arch/arm/boot/dts/sun7i-a20-olimex-som-evb.dts
+++ b/arch/arm/boot/dts/sun7i-a20-olimex-som-evb.dts
@@ -198,6 +198,10 @@
        status = "okay";
 };
 
+&otg_sram {
+       status = "okay";
+};
+
 &pio {
        ahci_pwr_pin_olimex_som_evb: ahci_pwr_pin@1 {
                allwinner,pins = "PC3";
@@ -219,6 +223,20 @@
                allwinner,drive = <SUN4I_PINCTRL_10_MA>;
                allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
        };
+
+       usb0_id_detect_pin: usb0_id_detect_pin@0 {
+               allwinner,pins = "PH4";
+               allwinner,function = "gpio_in";
+               allwinner,drive = <SUN4I_PINCTRL_10_MA>;
+               allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
+       };
+
+       usb0_vbus_detect_pin: usb0_vbus_detect_pin@0 {
+               allwinner,pins = "PH5";
+               allwinner,function = "gpio_in";
+               allwinner,drive = <SUN4I_PINCTRL_10_MA>;
+               allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
+       };
 };
 
 &reg_ahci_5v {
@@ -254,6 +272,10 @@
        regulator-name = "avcc";
 };
 
+&reg_usb0_vbus {
+       status = "okay";
+};
+
 &reg_usb1_vbus {
        status = "okay";
 };
@@ -268,7 +290,17 @@
        status = "okay";
 };
 
+&usb_otg {
+       dr_mode = "otg";
+       status = "okay";
+};
+
 &usbphy {
+       pinctrl-names = "default";
+       pinctrl-0 = <&usb0_id_detect_pin>, <&usb0_vbus_detect_pin>;
+       usb0_id_det-gpios = <&pio 7 4 GPIO_ACTIVE_HIGH>; /* PH04 */
+       usb0_vbus_det-gpios = <&pio 7 5 GPIO_ACTIVE_HIGH>; /* PH05 */
+       usb0_vbus-supply = <&reg_usb0_vbus>;
        usb1_vbus-supply = <&reg_usb1_vbus>;
        usb2_vbus-supply = <&reg_usb2_vbus>;
        status = "okay";
-- 
2.7.1

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