Commit 505251e5 authored by Stefan Agner's avatar Stefan Agner Committed by Shawn Guo
Browse files

ARM: dts: vf-colibri: add USB regulators 



Add structure of USB supply logic. The USB hosts power enable
regulator is needed to control VBUS supply on the Colibri carrier
board.

Signed-off-by: default avatarStefan Agner <stefan@agner.ch>
Signed-off-by: default avatarShawn Guo <shawn.guo@linaro.org>
parent 1b61feea

arch/arm/boot/dts/vf-colibri-eval-v3.dtsi

+32 −0
Original line number Diff line number Diff line
@@ -11,6 +11,34 @@ 
	chosen {

		bootargs = "console=ttyLP0,115200";

	};



	regulators {

		compatible = "simple-bus";

		#address-cells = <1>;

		#size-cells = <0>;



		sys_5v0_reg: regulator@0 {

			compatible = "regulator-fixed";

			reg = <0>;

			regulator-name = "5v0";

			regulator-min-microvolt = <5000000>;

			regulator-max-microvolt = <5000000>;

			regulator-always-on;

		};



		/* USBH_PEN */

		usbh_vbus_reg: regulator@1 {

			compatible = "regulator-fixed";

			pinctrl-names = "default";

			pinctrl-0 = <&pinctrl_usbh1_reg>;

			reg = <1>;

			regulator-name = "usbh_vbus";

			regulator-min-microvolt = <5000000>;

			regulator-max-microvolt = <5000000>;

			gpio = <&gpio3 19 GPIO_ACTIVE_LOW>;

			vin-supply = <&sys_5v0_reg>;

		};

	};

};



&bl {
@@ -62,3 +90,7 @@ 
&uart2 {

	status = "okay";

};



&usbh1 {

	vbus-supply = <&usbh_vbus_reg>;

};

arch/arm/boot/dts/vf-colibri.dtsi

+6 −0
Original line number Diff line number Diff line
@@ -176,5 +176,11 @@ 
				VF610_PAD_PTD3__UART2_CTS		0x21a1

			>;

		};



		pinctrl_usbh1_reg: gpio_usb_vbus {

			fsl,pins = <

				VF610_PAD_PTD4__GPIO_83			0x22ed

			>;

		};

	};

};

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