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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: Alexander Kurz <akurz@blala.de>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This commit is contained in:
Alexander Kurz 2018-05-29 06:20:20 +00:00 committed by Shawn Guo
parent d8d5f9dc40
commit e732f6d26e
1 changed files with 18 additions and 1 deletions
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19
arch/arm/boot/dts/imx6qdl-wandboard.dtsi
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@ -44,6 +44,16 @@
regulator-max-microvolt = <3300000>; regulator-max-microvolt = <3300000>;
regulator-always-on; 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 { &audmux {
@ -166,6 +176,12 @@
>; >;
}; };
pinctrl_usbotgvbus: usbotgvbusgrp {
fsl,pins = <
MX6QDL_PAD_EIM_D22__GPIO3_IO22 0x130b0
>;
};
pinctrl_usdhc1: usdhc1grp { pinctrl_usdhc1: usdhc1grp {
fsl,pins = < fsl,pins = <
MX6QDL_PAD_SD1_CMD__SD1_CMD 0x17059 MX6QDL_PAD_SD1_CMD__SD1_CMD 0x17059
@ -240,10 +256,11 @@
}; };
&usbotg { &usbotg {
vbus-supply = <&reg_usb_otg_vbus>;
pinctrl-names = "default"; pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usbotg>; pinctrl-0 = <&pinctrl_usbotg>;
disable-over-current; disable-over-current;
dr_mode = "peripheral"; dr_mode = "otg";
status = "okay"; status = "okay";
}; };