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Commit 41e364bb authored by Sebastian Hesselbarth's avatar Sebastian Hesselbarth Committed by Arnd Bergmann
Browse files

ARM: Dove: add fixed regulator for CuBox USB power 



CuBox needs to enable USB power on a gpio pin. Add a fixed regulator
to always enable usb power on boot.

Signed-off-by: default avatarSebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Signed-off-by: default avatarJason Cooper <jason@lakedaemon.net>
parent e35e40cd

arch/arm/boot/dts/dove-cubox.dts

+24 −1
Original line number Diff line number Diff line
@@ -26,6 +26,24 @@ 
			linux,default-trigger = "default-on";

		};

	};



	regulators {

		compatible = "simple-bus";

		#address-cells = <1>;

		#size-cells = <0>;



		usb_power: regulator@1 {

			compatible = "regulator-fixed";

			reg = <1>;

			regulator-name = "USB Power";

			regulator-min-microvolt = <5000000>;

			regulator-max-microvolt = <5000000>;

			enable-active-high;

			regulator-always-on;

			regulator-boot-on;

			gpio = <&gpio0 1 0>;

		};

	};

};



&uart0 { status = "okay"; };
@@ -50,9 +68,14 @@ 
};



&pinctrl {

	pinctrl-0 = <&pmx_gpio_12>;

	pinctrl-0 = <&pmx_gpio_1 &pmx_gpio_12>;

	pinctrl-names = "default";



	pmx_gpio_1: pmx-gpio-1 {

		marvell,pins = "mpp1";

		marvell,function = "gpio";

	};



	pmx_gpio_12: pmx-gpio-12 {

		marvell,pins = "mpp12";

		marvell,function = "gpio";

arch/arm/mach-dove/Kconfig

+2 −0
Original line number Diff line number Diff line
@@ -24,6 +24,8 @@ config MACH_DOVE_DT 
	bool "Marvell Dove Flattened Device Tree"

	select MVEBU_CLK_CORE

	select MVEBU_CLK_GATING

	select REGULATOR

	select REGULATOR_FIXED_VOLTAGE

	select USE_OF

	help

	  Say 'Y' here if you want your kernel to support the