MLK-12047-1 ARM: dts: imx6sx-sabreauto.dts: add ADC support

Add ADC support for imx6sx-sabreauto board.

Signed-off-by: Haibo Chen <haibo.chen@freescale.com>

diff --git a/arch/arm/boot/dts/imx6sx-sabreauto.dts b/arch/arm/boot/dts/imx6sx-sabreauto.dts
index e0eee76..cddc302 100644 (file)
--- a/arch/arm/boot/dts/imx6sx-sabreauto.dts
+++ b/arch/arm/boot/dts/imx6sx-sabreauto.dts
@@ -156,6 +156,14 @@
                        enable-active-high;
                        vin-supply = <&reg_can_en>;
                };
+
+               reg_vref_3v3: regulator@4 {
+                       compatible = "regulator-fixed";
+                       regulator-name = "vref-3v3";
+                       regulator-min-microvolt = <3300000>;
+                       regulator-max-microvolt = <3300000>;
+               };
+
        };
 
        sound-cs42888 {
@@ -186,6 +194,16 @@
        };
 };
 
+&adc1 {
+       vref-supply = <&reg_vref_3v3>;
+       status = "okay";
+};
+
+&adc2 {
+       vref-supply = <&reg_vref_3v3>;
+       status = "okay";
+};
+
 &audmux {
        pinctrl-names = "default";
        pinctrl-0 = <&pinctrl_audmux_3>;