ENGR00302299 ARM: dts: imx6sx: add adc support on i.MX6SX-17x17-ARM2 platform

add adc support for i.MX6SX-17x17-ARM2 platform.

Signed-off-by: Luwei Zhou <b45643@freescale.com>

1 files changed, 17 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/imx6sx-17x17-arm2.dts b/arch/arm/boot/dts/imx6sx-17x17-arm2.dts
index 4bccafdb6f86..7021c39d9d1e 100644
--- a/arch/arm/boot/dts/imx6sx-17x17-arm2.dts
+++ b/arch/arm/boot/dts/imx6sx-17x17-arm2.dts
@@ -77,6 +77,13 @@
                         gpio = <&gpio1 12 0>;
                         enable-active-high;
                 };
+
+                reg_vref_3v3: regulator@0 {
+                        compatible = "regulator-fixed";
+                        regulator-name = "vref-3v3";
+                        regulator-min-microvolt = <3300000>;
+                        regulator-max-microvolt = <3300000>;
+                };
         };
 
         memory {
@@ -97,6 +104,16 @@
         };
 };
 
+&adc1 {
+        vref-supply = <&reg_vref_3v3>;
+        status = "okay";
+};
+
+&adc2 {
+        vref-supply = <&reg_vref_3v3>;
+        status = "okay";
+};
+
 &audmux {
        pinctrl-names = "default";
        pinctrl-0 = <&pinctrl_audmux_2>;