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Commit 7465d811 authored Jan 09, 2017 by Fabrice GASNIER Committed by Alexandre TORGUE Jan 20, 2017

ARM: dts: stm32: enable ADC on stm32f429i-eval board



Enable analog to digital converter on stm32f429i-eval board.
It has on-board potentimeter wired to ADC3 in8 analog pin and
uses fixed regulator to provide reference voltage.

Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Signed-off-by: Alexandre TORGUE <alexandre.torgue@st.com>

parent ee58bfa1

arch/arm/boot/dts/stm32429i-eval.dts

+25 −0

Original line number	Diff line number	Diff line
		@@ -70,6 +70,20 @@
		dma-ranges = <0xc0000000 0x0 0x10000000>;
		};

		regulators {
		compatible = "simple-bus";
		#address-cells = <1>;
		#size-cells = <0>;

		reg_vref: regulator@0 {
		compatible = "regulator-fixed";
		reg = <0>;
		regulator-name = "vref";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		};
		};

		leds {
		compatible = "gpio-leds";
		green {
		@@ -112,6 +126,17 @@
		};
		};

		&adc {
		pinctrl-names = "default";
		pinctrl-0 = <&adc3_in8_pin>;
		vref-supply = <&reg_vref>;
		status = "okay";
		adc3: adc@200 {
		st,adc-channels = <8>;
		status = "okay";
		};
		};

		&clk_hse {
		clock-frequency = <25000000>;
		};