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ARM: Dove: add fixed regulator for CuBox USB power

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

Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
This commit is contained in:
Sebastian Hesselbarth 2012-12-27 23:21:59 +01:00 committed by Arnd Bergmann
parent e35e40cd55
commit 41e364bb24
2 changed files with 26 additions and 1 deletions
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25
arch/arm/boot/dts/dove-cubox.dts
View File

@ -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";

2
arch/arm/mach-dove/Kconfig
View File

@ -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