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Device tree binding documentation for Motorola Mapphone MDM6600 USB PHY Required properties: - compatible Must be "motorola,mapphone-mdm6600" - enable-gpios GPIO to enable the USB PHY - power-gpios GPIO to power on the device - reset-gpios GPIO to reset the device - motorola,mode-gpios Two GPIOs to configure MDM6600 USB start-up mode for normal mode versus USB flashing mode - motorola,cmd-gpios Three GPIOs to control the power state of the MDM6600 - motorola,status-gpios Three GPIOs to read the power state of the MDM6600 Example: usb-phy { compatible = "motorola,mapphone-mdm6600"; enable-gpios = <&gpio3 31 GPIO_ACTIVE_LOW>; power-gpios = <&gpio2 22 GPIO_ACTIVE_HIGH>; reset-gpios = <&gpio2 17 GPIO_ACTIVE_HIGH>; motorola,mode-gpios = <&gpio5 20 GPIO_ACTIVE_HIGH>, <&gpio5 21 GPIO_ACTIVE_HIGH>; motorola,cmd-gpios = <&gpio4 7 GPIO_ACTIVE_HIGH>, <&gpio4 8 GPIO_ACTIVE_HIGH>, <&gpio5 14 GPIO_ACTIVE_HIGH>; motorola,status-gpios = <&gpio2 20 GPIO_ACTIVE_HIGH>, <&gpio2 21 GPIO_ACTIVE_HIGH>, <&gpio2 23 GPIO_ACTIVE_HIGH>; #phy-cells = <0>; }; |