ENGR00301869-3 ARM: dts: imx6sx: add adc support on i.MX6SX-SDB platform

add adc devicetree support for i.MX6SX-SDB platform.

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

2 files changed, 37 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/imx6sx-sdb.dts b/arch/arm/boot/dts/imx6sx-sdb.dts
index f3fcc11e6f16..188efdbf5a3a 100644
--- a/arch/arm/boot/dts/imx6sx-sdb.dts
+++ b/arch/arm/boot/dts/imx6sx-sdb.dts
@@ -34,9 +34,26 @@
                         gpio = <&gpio3 27 0>;
                         enable-active-high;
                 };
+
+                reg_vref_3v3: regulator@0 {
+                        compatible = "regulator-fixed";
+                        regulator-name = "vref-3v3";
+                        regulator-min-microvolt = <3300000>;
+                        regulator-max-microvolt = <3300000>;
+                };
         };
 };
 
+&adc1 {
+        vref-supply = <&reg_vref_3v3>;
+        status = "okay";
+};
+
+&adc2 {
+        vref-supply = <&reg_vref_3v3>;
+        status = "okay";
+};
+
 &fec1 {
         pinctrl-names = "default";
         pinctrl-0 = <&pinctrl_enet1_1 &pinctrl_enet1_clkout_1>;
diff --git a/arch/arm/boot/dts/imx6sx.dtsi b/arch/arm/boot/dts/imx6sx.dtsi
index c1c7f8f4b85a..ab169900c8f7 100644
--- a/arch/arm/boot/dts/imx6sx.dtsi
+++ b/arch/arm/boot/dts/imx6sx.dtsi
@@ -765,6 +765,26 @@
                         aipstz@0227c000 { /* AIPSTZ3 */
                                 reg = <0x0227c000 0x4000>;
                         };
+
+                        adc1: adc@02280000 {
+                                compatible = "fsl,imx6sx-adc", "fsl,vf610-adc";
+                                reg = <0x02280000 0x4000>;
+                                interrupts = <0 100 0x04>;
+                                clocks = <&clks IMX6SX_CLK_IPG>;
+                                clock-names = "adc";
+                                num-channels = <4>;
+                                status = "disabled";
+                        };
+
+                        adc2: adc@02284000 {
+                                compatible = "fsl,imx6sx-adc", "fsl,vf610-adc";
+                                reg = <0x02284000 0x4000>;
+                                interrupts = <0 101 0x04>;
+                                clocks = <&clks IMX6SX_CLK_IPG>;
+                                clock-names = "adc";
+                                num-channels = <4>;
+                                status = "disabled";
+                        };
                 };
         };
 };