linux-kernel - Re: [PATCH] ARM: dts: stm32: Add vrefbuf support to stm32mp157c

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Message-ID: <664e594b-067d-9abb-ecd3-8240cce91449@st.com>
Date:   Wed, 2 May 2018 13:31:59 +0200
From:   Alexandre Torgue <alexandre.torgue@...com>
To:     Fabrice Gasnier <fabrice.gasnier@...com>, <robh+dt@...nel.org>
CC:     <mcoquelin.stm32@...il.com>, <mark.rutland@....com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] ARM: dts: stm32: Add vrefbuf support to stm32mp157c

Hi Fabrice,

On 04/18/2018 09:47 AM, Fabrice Gasnier wrote:
> stm32mp157c has vrefbuf regulator that can provide analog reference
> voltage from 1500mV to 2500mV.
> 
> Signed-off-by: Fabrice Gasnier <fabrice.gasnier@...com>
> ---
>   arch/arm/boot/dts/stm32mp157c.dtsi | 9 +++++++++
>   1 file changed, 9 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/stm32mp157c.dtsi b/arch/arm/boot/dts/stm32mp157c.dtsi
> index bc3eddc..7df3c99 100644
> --- a/arch/arm/boot/dts/stm32mp157c.dtsi
> +++ b/arch/arm/boot/dts/stm32mp157c.dtsi
> @@ -167,6 +167,15 @@
>   			#reset-cells = <1>;
>   		};
>   
> +		vrefbuf: vrefbuf@...25000 {
> +			compatible = "st,stm32-vrefbuf";
> +			reg = <0x50025000 0x8>;
> +			regulator-min-microvolt = <1500000>;
> +			regulator-max-microvolt = <2500000>;
> +			clocks = <&rcc VREF>;
> +			status = "disabled";
> +		};
> +
>   		usart1: serial@...00000 {
>   			compatible = "st,stm32h7-uart";
>   			reg = <0x5c000000 0x400>;
> 

Applied on stm32-next.

Thanks.
Alex