[PATCH 3/3] ARM: dts: stm32: enable ADC on stm32f429i-eval board
Alexandre Torgue
alexandre.torgue at st.com
Mon Jan 9 06:48:42 PST 2017
Hi Fabrice
On 12/02/2016 02:57 PM, Fabrice GASNIER wrote:
> 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 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 13c7cd2..6be0a24 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";
> + };
> +};
>
After node reordering:
Applied on stm32-dt-for-v4.11
Thanks
Alex
More information about the linux-arm-kernel
mailing list