Add structure of USB supply logic. Especially, the USB hosts power enable regulator is needed to control VBUS supply.
Signed-off-by: Stefan Agner <[email protected]> --- arch/arm/boot/dts/vf-colibri-eval-v3.dtsi | 45 ++++++++++++++++++++++++++++++- arch/arm/boot/dts/vf-colibri.dtsi | 12 +++++++++ 2 files changed, 56 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/vf-colibri-eval-v3.dtsi b/arch/arm/boot/dts/vf-colibri-eval-v3.dtsi index 80e8fbc..eb4ca50 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 { @@ -51,4 +86,12 @@ &uart2 { status = "okay"; -}; \ No newline at end of file +}; + +&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 2371760..79ccfe2 100644 --- a/arch/arm/boot/dts/vf-colibri.dtsi +++ b/arch/arm/boot/dts/vf-colibri.dtsi @@ -163,5 +163,17 @@ 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 + >; + }; }; }; -- 2.1.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
