linux-kernel - Re: [PATCH v1 1/4] ARM: dts: vfxxx: Add io-channel-cells property for ADC node

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Date:	Fri, 03 Jul 2015 14:57:45 +0200
From:	Stefan Agner <stefan@...er.ch>
To:	Sanchayan Maity <maitysanchayan@...il.com>
Cc:	linux-input@...r.kernel.org, devicetree@...r.kernel.org,
	robh+dt@...nel.org, pawel.moll@....com, mark.rutland@....com,
	ijc+devicetree@...lion.org.uk, galak@...eaurora.org,
	shawn.guo@...aro.org, kernel@...gutronix.de,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v1 1/4] ARM: dts: vfxxx: Add io-channel-cells property for
 ADC node

On 2015-06-30 08:54, Sanchayan Maity wrote:
> This commit adds io-channel-cells property to the ADC node. This
> property is required in order for an IIO consumer driver to work.
> Especially required for Colibri VF50, as the touchscreen driver
> uses ADC channels with the ADC driver based on IIO framework.
> 
> Signed-off-by: Sanchayan Maity <maitysanchayan@...il.com>
> ---
>  arch/arm/boot/dts/vfxxx.dtsi | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/vfxxx.dtsi b/arch/arm/boot/dts/vfxxx.dtsi
> index 2c20f3f..f7d8fb6 100644
> --- a/arch/arm/boot/dts/vfxxx.dtsi
> +++ b/arch/arm/boot/dts/vfxxx.dtsi
> @@ -227,6 +227,7 @@
>  				clocks = <&clks VF610_CLK_ADC0>;
>  				clock-names = "adc";
>  				status = "disabled";
> +				#io-channel-cells = <1>;
>  			};
>  
>  			tcon0: tcon@...3d000 {
> @@ -461,6 +462,7 @@
>  				clocks = <&clks VF610_CLK_ADC1>;
>  				clock-names = "adc";
>  				status = "disabled";
> +				#io-channel-cells = <1>;
>  			};
>  
>  			esdhc1: esdhc@...b2000 {

Minor nitpick: can you put the new property one line up? That way it
would be sorted alphabetically and status is conveniently still at the
end.

Otherwise:

Acked-by: Stefan Agner <stefan@...er.ch>

--
Stefan
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