Enhance the phy documentation by adding 2 new optional bindings : - the vbus gpio, which detects usb insertion - the vbus regulator, which provides current drawn from the usb cable Signed-off-by: Robert Jarzmik <robert.jarzmik@xxxxxxx> --- Documentation/devicetree/bindings/usb/usb-nop-xceiv.txt | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/Documentation/devicetree/bindings/usb/usb-nop-xceiv.txt b/Documentation/devicetree/bindings/usb/usb-nop-xceiv.txt index 1bd37fa..65dfe4b 100644 --- a/Documentation/devicetree/bindings/usb/usb-nop-xceiv.txt +++ b/Documentation/devicetree/bindings/usb/usb-nop-xceiv.txt @@ -17,6 +17,11 @@ Optional properties: - reset-gpios: Should specify the GPIO for reset. +- vbus-gpios: should specify the GPIO detecting a VBus insertion + (see Documentation/devicetree/bindings/gpio/gpio.txt) +- vbus-regulator : should specifiy the regulator supplying current drawn from + the VBus line (see Documentation/devicetree/bindings/regulator/regulator.txt). + Example: hsusb1_phy { @@ -26,8 +31,11 @@ Example: clock-names = "main_clk"; vcc-supply = <&hsusb1_vcc_regulator>; reset-gpios = <&gpio1 7 GPIO_ACTIVE_LOW>; + vbus-gpios = <&gpio2 13 GPIO_ACTIVE_HIGH>; + vbus-regulator = <&vbus_regulator>; }; hsusb1_phy is a NOP USB PHY device that gets its clock from an oscillator and expects that clock to be configured to 19.2MHz by the NOP PHY driver. hsusb1_vcc_regulator provides power to the PHY and GPIO 7 controls RESET. +GPIO 13 detects VBus insertion, and accordingly notifies the vbus-regulator. -- 2.1.0 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html