| Message ID | 1480687022-12851-4-git-send-email-fabrice.gasnier@st.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
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@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@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@200 { > + st,adc-channels = <8>; > + status = "okay"; > + }; > +}; > After node reordering: Applied on stm32-dt-for-v4.11 Thanks Alex
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@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@200 { + st,adc-channels = <8>; + status = "okay"; + }; +};
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> --- arch/arm/boot/dts/stm32429i-eval.dts | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+)