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Commit e732f6d2 authored by Alexander Kurz's avatar Alexander Kurz Committed by Shawn Guo
Browse files

ARM: dts: imx6qdl-wandboard: enable USB OTG 



Enable USB OTG (dual-role) on the Wandboard.
Note, that the USB_OTG_VBUS current is quite limited due to a 22R resistor
in the power line. Hence, the overcurrent signal of 1A will never be
triggered on this board.

Signed-off-by: default avatarAlexander Kurz <akurz@blala.de>
Reviewed-by: default avatarFabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: default avatarShawn Guo <shawnguo@kernel.org>
parent d8d5f9dc

arch/arm/boot/dts/imx6qdl-wandboard.dtsi

+18 −1
Original line number Diff line number Diff line
@@ -44,6 +44,16 @@ 
		regulator-max-microvolt = <3300000>;

		regulator-always-on;

	};



	reg_usb_otg_vbus: regulator-usbotgvbus {

		compatible = "regulator-fixed";

		regulator-name = "usb_otg_vbus";

		regulator-min-microvolt = <5000000>;

		regulator-max-microvolt = <5000000>;

		pinctrl-names = "default";

		pinctrl-0 = <&pinctrl_usbotgvbus>;

		gpio = <&gpio3 22 GPIO_ACTIVE_LOW>;

	};

};



&audmux {
@@ -166,6 +176,12 @@ 
			>;

		};



		pinctrl_usbotgvbus: usbotgvbusgrp {

			fsl,pins = <

				MX6QDL_PAD_EIM_D22__GPIO3_IO22		0x130b0

			>;

		};



		pinctrl_usdhc1: usdhc1grp {

			fsl,pins = <

				MX6QDL_PAD_SD1_CMD__SD1_CMD		0x17059
@@ -240,10 +256,11 @@ 
};



&usbotg {

	vbus-supply = <&reg_usb_otg_vbus>;

	pinctrl-names = "default";

	pinctrl-0 = <&pinctrl_usbotg>;

	disable-over-current;

	dr_mode = "peripheral";

	dr_mode = "otg";

	status = "okay";

};