ARM: dts: Add vmmc regulator support for Arndale board

Added vmmc regulator node to Arndale DT file.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Tushar Behera <tushar.behera@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

diff --git a/arch/arm/boot/dts/exynos5250-arndale.dts b/arch/arm/boot/dts/exynos5250-arndale.dts
index 7504e3b..3d04e9e 100644 (file)
--- a/arch/arm/boot/dts/exynos5250-arndale.dts
+++ b/arch/arm/boot/dts/exynos5250-arndale.dts
@@ -322,6 +322,7 @@
                samsung,dw-mshc-ciu-div = <3>;
                samsung,dw-mshc-sdr-timing = <2 3>;
                samsung,dw-mshc-ddr-timing = <1 2>;
+               vmmc-supply = <&mmc_reg>;
                pinctrl-names = "default";
                pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_bus4 &sd0_bus8>;
 
@@ -343,6 +344,7 @@
                samsung,dw-mshc-ciu-div = <3>;
                samsung,dw-mshc-sdr-timing = <2 3>;
                samsung,dw-mshc-ddr-timing = <1 2>;
+               vmmc-supply = <&mmc_reg>;
                pinctrl-names = "default";
                pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_cd &sd2_bus4>;
 
@@ -415,6 +417,15 @@
                };
        };
 
+       mmc_reg: voltage-regulator {
+               compatible = "regulator-fixed";
+               regulator-name = "VDD_33ON_2.8V";
+               regulator-min-microvolt = <2800000>;
+               regulator-max-microvolt = <2800000>;
+               gpio = <&gpx1 1 1>;
+               enable-active-high;
+       };
+
        fixed-rate-clocks {
                xxti {
                        compatible = "samsung,clock-xxti";