linux-kernel - Re: [PATCH v3 10/10] ARM: dts: at91: sama7g5ek: enable ADC on the board

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Date:   Wed, 15 Sep 2021 11:17:07 +0200
From:   Nicolas Ferre <nicolas.ferre@...rochip.com>
To:     Eugen Hristev <eugen.hristev@...rochip.com>, <jic23@...nel.org>,
        <linux-iio@...r.kernel.org>, <devicetree@...r.kernel.org>
CC:     <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <robh+dt@...nel.org>,
        <ludovic.desroches@...rochip.com>
Subject: Re: [PATCH v3 10/10] ARM: dts: at91: sama7g5ek: enable ADC on the
 board

On 01/09/2021 at 14:30, Eugen Hristev wrote:
> The ADC controller on the board is fed by a 2.5V reference voltage.
> By default the channels #14 and #15 are dedicated to analog input
> (marked AN on the board), on the connectors mikrobus1 and mikrobus2.
> 
> Signed-off-by: Eugen Hristev <eugen.hristev@...rochip.com>

Acked-by: Nicolas Ferre <nicolas.ferre@...rochip.com>

> ---
>   arch/arm/boot/dts/at91-sama7g5ek.dts | 8 ++++++++
>   1 file changed, 8 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/at91-sama7g5ek.dts b/arch/arm/boot/dts/at91-sama7g5ek.dts
> index 4cbed98cc2f4..c46be165f2ba 100644
> --- a/arch/arm/boot/dts/at91-sama7g5ek.dts
> +++ b/arch/arm/boot/dts/at91-sama7g5ek.dts
> @@ -122,6 +122,14 @@ spdif_out: spdif-out {
>   	};
>   };
>   
> +&adc {
> +	vddana-supply = <&vddout25>;
> +	vref-supply = <&vddout25>;
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_mikrobus1_an_default &pinctrl_mikrobus2_an_default>;
> +	status = "okay";
> +};
> +
>   &cpu0 {
>   	cpu-supply = <&vddcpu>;
>   };
> 


-- 
Nicolas Ferre