Re: [PATCH 4/4] ARM: dts: stm32: Add DAC support on stm32f429

From: Jonathan Cameron
Date: Mon Jul 10 2017 - 16:56:17 EST


On Mon, 10 Jul 2017 15:24:00 +0200
Fabrice Gasnier <fabrice.gasnier@xxxxxx> wrote:

> Add support for DAC (Digital to Analog Converter) to STM32F429.
> STM32F429 DAC has two output channels.
>
> Signed-off-by: Fabrice Gasnier <fabrice.gasnier@xxxxxx>
Driver support is working it's way towards mainline, though will be
next merge window now so no real rush on this one!

Acked-by: Joanthan Cameron <Jonathan.Cameron@xxxxxxxxxx>
> ---
> arch/arm/boot/dts/stm32f429.dtsi | 25 +++++++++++++++++++++++++
> 1 file changed, 25 insertions(+)
>
> diff --git a/arch/arm/boot/dts/stm32f429.dtsi b/arch/arm/boot/dts/stm32f429.dtsi
> index b2a2b5c..f15f633 100644
> --- a/arch/arm/boot/dts/stm32f429.dtsi
> +++ b/arch/arm/boot/dts/stm32f429.dtsi
> @@ -354,6 +354,31 @@
> status = "disabled";
> };
>
> + dac: dac@40007400 {
> + compatible = "st,stm32f4-dac-core";
> + reg = <0x40007400 0x400>;
> + resets = <&rcc STM32F4_APB1_RESET(DAC)>;
> + clocks = <&rcc 0 STM32F4_APB1_CLOCK(DAC)>;
> + clock-names = "pclk";
> + #address-cells = <1>;
> + #size-cells = <0>;
> + status = "disabled";
> +
> + dac1: dac@1 {
> + compatible = "st,stm32-dac";
> + #io-channels-cells = <1>;
> + reg = <1>;
> + status = "disabled";
> + };
> +
> + dac2: dac@2 {
> + compatible = "st,stm32-dac";
> + #io-channels-cells = <1>;
> + reg = <2>;
> + status = "disabled";
> + };
> + };
> +
> usart7: serial@40007800 {
> compatible = "st,stm32-usart", "st,stm32-uart";
> reg = <0x40007800 0x400>;