From 505251e504e163f2e2f5c75e9b42cbcd62b792e7 Mon Sep 17 00:00:00 2001 From: Stefan Agner Date: Sun, 16 Nov 2014 19:00:28 +0100 Subject: 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: Stefan Agner Signed-off-by: Shawn Guo --- arch/arm/boot/dts/vf-colibri-eval-v3.dtsi | 32 +++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) (limited to 'arch/arm/boot/dts/vf-colibri-eval-v3.dtsi') diff --git a/arch/arm/boot/dts/vf-colibri-eval-v3.dtsi b/arch/arm/boot/dts/vf-colibri-eval-v3.dtsi index 20251a3ea813..56a452bc326c 100644 --- a/arch/arm/boot/dts/vf-colibri-eval-v3.dtsi +++ b/arch/arm/boot/dts/vf-colibri-eval-v3.dtsi @@ -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>; +}; -- cgit v1.2.3