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ARM: dts: vf-colibri: add USB regulators

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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: Stefan Agner <stefan@agner.ch>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
This commit is contained in:
Stefan Agner 2014-11-16 19:00:28 +01:00 • committed by Shawn Guo
parent 1b61feea3f
commit 505251e504
2 changed files with 38 additions and 0 deletions
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32
arch/arm/boot/dts/vf-colibri-eval-v3.dtsi
View file

@ -11,6 +11,34 @@
chosen { chosen {
bootargs = "console=ttyLP0,115200"; 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 { &bl {
@ -62,3 +90,7 @@
&uart2 { &uart2 {
status = "okay"; status = "okay";
}; };
&usbh1 {
vbus-supply = <&usbh_vbus_reg>;
};

6
arch/arm/boot/dts/vf-colibri.dtsi
View file

@ -176,5 +176,11 @@
VF610_PAD_PTD3__UART2_CTS 0x21a1 VF610_PAD_PTD3__UART2_CTS 0x21a1
>; >;
}; };
pinctrl_usbh1_reg: gpio_usb_vbus {
fsl,pins = <
VF610_PAD_PTD4__GPIO_83 0x22ed
>;
};
}; };
}; };