[PATCH v3 6/6] ARM: dts: stm32f429: enable adc on eval board
Fabrice Gasnier
fabrice.gasnier at st.com
Tue Nov 15 07:31:01 PST 2016
Enable analog to digital converter on stm32f429i-eval board.
Signed-off-by: Fabrice Gasnier <fabrice.gasnier at st.com>
---
arch/arm/boot/dts/stm32429i-eval.dts | 25 +++++++++++++++++++++++++
1 file changed, 25 insertions(+)
diff --git a/arch/arm/boot/dts/stm32429i-eval.dts b/arch/arm/boot/dts/stm32429i-eval.dts
index 6bfc595..c144735 100644
--- a/arch/arm/boot/dts/stm32429i-eval.dts
+++ b/arch/arm/boot/dts/stm32429i-eval.dts
@@ -65,6 +65,20 @@
serial0 = &usart1;
};
+ regulators {
+ compatible = "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ reg_vref: regulator at 0 {
+ compatible = "regulator-fixed";
+ reg = <0>;
+ regulator-name = "vref";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ };
+ };
+
leds {
compatible = "gpio-leds";
green {
@@ -123,3 +137,14 @@
pinctrl-names = "default";
status = "okay";
};
+
+&adc {
+ pinctrl-names = "default";
+ pinctrl-0 = <&adc3_in8_pin>;
+ vref-supply = <®_vref>;
+ status = "okay";
+ adc3: adc at 200 {
+ st,adc-channels = <8>;
+ status = "okay";
+ };
+};
--
1.9.1
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