[PATCH v6 1/1] ARM: dts: vf610-twr: Add ADC support

[Fugang Duan <B38611@xxxxxxxxxxxxx>]

vf610 has two ADC controllers, and vf610-twr board ADC0_SE5 pin connect
to sliding rheostat for ADC test, other ADC pins connect to connectors for
future use.

Add support for ADC0_SE5.

CC: Shawn Guo <shawn.guo@xxxxxxxxxx>
CC: Jonathan Cameron <jic23@xxxxxxxxxx>
CC: Mark Rutland <mark.rutland@xxxxxxx>
CC: Otavio Salvador <otavio@xxxxxxxxxxxxxxxx>
CC: Peter Meerwald <pmeerw@xxxxxxxxxx>
CC: Lars-Peter Clausen <lars@xxxxxxxxxx>
Signed-off-by: Fugang Duan <B38611@xxxxxxxxxxxxx>
---
 arch/arm/boot/dts/vf610-twr.dts |   26 ++++++++++++++++++++++++++
 arch/arm/boot/dts/vf610.dtsi    |   18 ++++++++++++++++++
 2 files changed, 44 insertions(+), 0 deletions(-)

diff --git a/arch/arm/boot/dts/vf610-twr.dts b/arch/arm/boot/dts/vf610-twr.dts
index e3a3805..38898f7 100644
--- a/arch/arm/boot/dts/vf610-twr.dts
+++ b/arch/arm/boot/dts/vf610-twr.dts
@@ -34,6 +34,26 @@
 		};
 	};
 
+	regulators {
+		compatible = "simple-bus";
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		reg_vcc_3v3_mcu: regulator@0 {
+			compatible = "regulator-fixed";
+			reg = <0>;
+			regulator-name = "vcc_3v3_mcu";
+			regulator-min-microvolt = <3300000>;
+			regulator-max-microvolt = <3300000>;
+		};
+	};
+};
+
+&adc0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_adc0_ad5>;
+	vref-supply = <&reg_vcc_3v3_mcu>;
+	status = "okay";
 };
 
 &dspi0 {
@@ -76,6 +96,12 @@
 
 &iomuxc {
 	vf610-twr {
+		pinctrl_adc0_ad5: adc0_ad5 {
+			fsl,pins = <
+				VF610_PAD_PTC30__ADC0_SE5		0xa1
+			>;
+		};
+
 		pinctrl_dspi0: dspi0grp {
 			fsl,pins = <
 				VF610_PAD_PTB19__DSPI0_CS0		0x1182
diff --git a/arch/arm/boot/dts/vf610.dtsi b/arch/arm/boot/dts/vf610.dtsi
index 91a7757..b0e5351 100644
--- a/arch/arm/boot/dts/vf610.dtsi
+++ b/arch/arm/boot/dts/vf610.dtsi
@@ -180,6 +180,15 @@
 				clock-names = "pit";
 			};
 
+			adc0: adc@4003b000 {
+				compatible = "fsl,vf610-adc";
+				reg = <0x4003b000 0x1000>;
+				interrupts = <0 53 0x04>;
+				clocks = <&clks VF610_CLK_ADC0>;
+				clock-names = "adc";
+				status = "disabled";
+			};
+
 			wdog@4003e000 {
 				compatible = "fsl,vf610-wdt", "fsl,imx21-wdt";
 				reg = <0x4003e000 0x1000>;
@@ -323,6 +332,15 @@
 				status = "disabled";
 			};
 
+			adc1: adc@400bb000 {
+				compatible = "fsl,vf610-adc";
+				reg = <0x400bb000 0x1000>;
+				interrupts = <0 54 0x04>;
+				clocks = <&clks VF610_CLK_ADC1>;
+				clock-names = "adc";
+				status = "disabled";
+			};
+
 			fec0: ethernet@400d0000 {
 				compatible = "fsl,mvf600-fec";
 				reg = <0x400d0000 0x1000>;
-- 
1.7.2.rc3


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