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

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Message-ID: <20170710215607.1ef3caae@kernel.org>
Date:   Mon, 10 Jul 2017 21:56:07 +0100
From:   Jonathan Cameron <jic23@...nel.org>
To:     Fabrice Gasnier <fabrice.gasnier@...com>
Cc:     <robh+dt@...nel.org>, <linux@...linux.org.uk>,
        <mark.rutland@....com>, <mcoquelin.stm32@...il.com>,
        <alexandre.torgue@...com>, <lars@...afoo.de>, <knaack.h@....de>,
        <pmeerw@...erw.net>, <benjamin.gaignard@...aro.org>,
        <benjamin.gaignard@...com>, <linux-iio@...r.kernel.org>,
        <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 4/4] ARM: dts: stm32: Add DAC support on stm32f429

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

> Add support for DAC (Digital to Analog Converter) to STM32F429.
> STM32F429 DAC has two output channels.
> 
> Signed-off-by: Fabrice Gasnier <fabrice.gasnier@...com>
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@...wei.com>
> ---
>  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@...07400 {
> +			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@...07800 {
>  			compatible = "st,stm32-usart", "st,stm32-uart";
>  			reg = <0x40007800 0x400>;