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: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>

1 files changed, 24 insertions, 1 deletions

diff --git a/arch/arm/boot/dts/dove-cubox.dts b/arch/arm/boot/dts/dove-cubox.dts
index bed5b62b73a3..7e3065abd751 100644
--- a/arch/arm/boot/dts/dove-cubox.dts
+++ b/arch/arm/boot/dts/dove-cubox.dts
@@ -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";