ARM: dts: sun7i: Enable USB DRC on pcDuino 3

Enable the otg/drc usb controller on the pcDuino 3.

Note this board has the otg-vbus connected directly to the 5v-dcc of
the board, so there is no vbus0 regulator, nor vbus0-det.

Signed-off-by: Jelle van der Waa <jelle@vdwaa.nl>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>

diff --git a/arch/arm/boot/dts/sun7i-a20-pcduino3.dts b/arch/arm/boot/dts/sun7i-a20-pcduino3.dts
index ad8169dc54d4fa2dedb2a0875e067626c48d292c..861a4a66fb19db62a7649584be9313227283ba39 100644 (file)
--- a/arch/arm/boot/dts/sun7i-a20-pcduino3.dts
+++ b/arch/arm/boot/dts/sun7i-a20-pcduino3.dts
@@ -173,6 +173,10 @@
        status = "okay";
 };
 
+&otg_sram {
+       status = "okay";
+};
+
 &pio {
        led_pins_pcduino3: led_pins@0 {
                allwinner,pins = "PH15", "PH16";
@@ -187,6 +191,13 @@
                allwinner,drive = <SUN4I_PINCTRL_10_MA>;
                allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
        };
+
+       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_PULL_UP>;
+       };
 };
 
 &reg_ahci_5v {
@@ -233,7 +244,15 @@
        status = "okay";
 };
 
+&usb_otg {
+       dr_mode = "otg";
+       status = "okay";
+};
+
 &usbphy {
+       pinctrl-names = "default";
+       pinctrl-0 = <&usb0_id_detect_pin>;
+       usb0_id_det-gpio = <&pio 7 4 GPIO_ACTIVE_HIGH>; /* PH4 */
        usb1_vbus-supply = <&reg_usb1_vbus>;
        usb2_vbus-supply = <&reg_usb2_vbus>;
        status = "okay";