On the A13 Q8 tablets, the PMIC's USB power supply (VBUS) is connected to the external OTG port. This can be used to provide power and OTG VBUS sensing.
Signed-off-by: Chen-Yu Tsai wens@csie.org --- arch/arm/boot/dts/sun5i-q8-common.dtsi | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/arch/arm/boot/dts/sun5i-q8-common.dtsi b/arch/arm/boot/dts/sun5i-q8-common.dtsi index dcaaa085ac77..8fc1b6110fb8 100644 --- a/arch/arm/boot/dts/sun5i-q8-common.dtsi +++ b/arch/arm/boot/dts/sun5i-q8-common.dtsi @@ -176,11 +176,16 @@ status = "okay"; };
+&usb_power_supply { + status = "okay"; +}; + &usbphy { pinctrl-names = "default"; pinctrl-0 = <&usb0_id_detect_pin>, <&usb0_vbus_detect_pin>; usb0_id_det-gpio = <&pio 6 2 GPIO_ACTIVE_HIGH>; /* PG2 */ usb0_vbus_det-gpio = <&pio 6 1 GPIO_ACTIVE_HIGH>; /* PG1 */ + usb0_vbus_power-supply = <&usb_power_supply>; usb0_vbus-supply = <®_usb0_vbus>; usb1_vbus-supply = <®_ldo3>; status = "okay";