vf610 have 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.
Signed-off-by: Fugang Duan <B38611@xxxxxxxxxxxxx>
---
arch/arm/boot/dts/vf610-twr.dts | 14 ++++++++++++++
arch/arm/boot/dts/vf610.dtsi | 26 ++++++++++++++++++++++++++
2 files changed, 40 insertions(+), 0 deletions(-)
diff --git a/arch/arm/boot/dts/vf610-twr.dts b/arch/arm/boot/dts/vf610-twr.dts
index c8047ca..0867004 100644
--- a/arch/arm/boot/dts/vf610-twr.dts
+++ b/arch/arm/boot/dts/vf610-twr.dts
@@ -36,6 +36,20 @@
};
+&adc0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_adc0_ad5>;
+ fsl,adc-io-pinctl = <0x20>;
+ fsl,adc-vref = <3300000>;
+ fsl,adc-clk-div = <2>;
+ fsl,adc-res = <12>;
+ fsl,adc-sam-time = <4>;
+ fsl,adc-aver-sam-sel = <4>;
+ fsl,adc-hw-aver-en;
+ fsl,adc-low-power-mode;
+ status = "okay";
+};
+
&dspi0 {
bus-num = <0>;
pinctrl-names = "default";
diff --git a/arch/arm/boot/dts/vf610.dtsi b/arch/arm/boot/dts/vf610.dtsi
index d31ce1b..b5b21ea 100644
--- a/arch/arm/boot/dts/vf610.dtsi
+++ b/arch/arm/boot/dts/vf610.dtsi
@@ -152,6 +152,15 @@
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>;
@@ -178,6 +187,14 @@
/* functions and groups pins */
+ adc0 {
+ pinctrl_adc0_ad5: adc0_ad5 {
+ fsl,pins = <
+ VF610_PAD_PTC30__ADC0_SE5 0xa1
+ >;
+ };
+ };
+
dcu0 {
pinctrl_dcu0_1: dcu0grp_1 {
fsl,pins = <
@@ -450,6 +467,15 @@
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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