From 2994d87d4bb9821cd10a47c613eabe1d739a9b05 Mon Sep 17 00:00:00 2001 From: Stefan Agner Date: Tue, 21 Oct 2014 16:21:06 +0200 Subject: ARM: dts: vf-colibri: add USB regulators Add structure of USB supply logic. Especially, the USB hosts power enable regulator is needed to control VBUS supply. --- arch/arm/boot/dts/vf-colibri-eval-v3.dtsi | 43 +++++++++++++++++++++++++++++++ arch/arm/boot/dts/vf-colibri.dtsi | 12 +++++++++ 2 files changed, 55 insertions(+) diff --git a/arch/arm/boot/dts/vf-colibri-eval-v3.dtsi b/arch/arm/boot/dts/vf-colibri-eval-v3.dtsi index df9a592f5df7..f06e42db0b7e 100644 --- a/arch/arm/boot/dts/vf-colibri-eval-v3.dtsi +++ b/arch/arm/boot/dts/vf-colibri-eval-v3.dtsi @@ -11,6 +11,41 @@ chosen { bootargs = "console=ttyLP0,115200"; }; + + regulators { + compatible = "simple-bus"; + #address-cells = <1>; + #size-cells = <0>; + + sys_5v0_reg: regulator@1 { + compatible = "regulator-fixed"; + reg = <1>; + regulator-name = "5v0"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + regulator-always-on; + }; + + usbc_vbus_reg: regulator@2 { + compatible = "regulator-fixed"; + reg = <2>; + regulator-name = "usbc_vbus"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + vin-supply = <&sys_5v0_reg>; + }; + + /* USBH_PEN */ + usbh_vbus_reg: regulator@3 { + compatible = "regulator-fixed"; + reg = <3>; + regulator-name = "usbh_vbus"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + gpio = <&gpio3 19 GPIO_ACTIVE_LOW>; + vin-supply = <&sys_5v0_reg>; + }; + }; }; &bl { @@ -161,3 +196,11 @@ &uart2 { status = "okay"; }; + +&usbdev0 { + vbus-supply = <&usbc_vbus_reg>; +}; + +&usbh1 { + vbus-supply = <&usbh_vbus_reg>; +}; diff --git a/arch/arm/boot/dts/vf-colibri.dtsi b/arch/arm/boot/dts/vf-colibri.dtsi index eb2127cb6144..7b55abd66db3 100644 --- a/arch/arm/boot/dts/vf-colibri.dtsi +++ b/arch/arm/boot/dts/vf-colibri.dtsi @@ -213,5 +213,17 @@ VF610_PAD_PTD3__UART2_CTS 0x21a1 >; }; + + pinctrl_usbh1_ext: gpio_usb_vbus { + fsl,pins = < + VF610_PAD_PTD4__GPIO_83 0x22ed + >; + }; + + pinctrl_usbdev0_ext: gpio_usb_cdet { + fsl,pins = < + VF610_PAD_PTC29__GPIO_102 0x22ed + >; + }; }; }; -- cgit v1.2.3