linux-kernel - Re: [alsa-devel] [PATCH v5 2/2] mfd: arizona: Update DT binding to support INn_MODE init

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Message-ID: <20140901083400.GD7374@lee--X1>
Date:	Mon, 1 Sep 2014 09:34:00 +0100
From:	Lee Jones <lee.jones@...aro.org>
To:	Inha Song <ideal.song@...sung.com>
Cc:	broonie@...nel.org, robh+dt@...nel.org, pawel.moll@....com,
	mark.rutland@....com, ijc+devicetree@...lion.org.uk,
	galak@...eaurora.org, sameo@...ux.intel.com,
	ckeepax@...nsource.wolfsonmicro.com, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, patches@...nsource.wolfsonmicro.com,
	alsa-devel@...a-project.org, cw00.choi@...sung.com
Subject: Re: [alsa-devel] [PATCH v5 2/2] mfd: arizona: Update DT binding to
 support INn_MODE init_data

On Sat, 30 Aug 2014, Inha Song wrote:

> This patch update DT binding to support INn_MODE init_data. Each
> input signal path can be configurated either as a Analogue or
> Digital using the INn_MODE registers.
> 
> Signed-off-by: Inha Song <ideal.song@...sung.com>
> Reviewed-by: Charles Keepax <ckeepax@...nsource.wolfsonmicro.com>
> ---
>  Documentation/devicetree/bindings/mfd/arizona.txt | 7 +++++++
>  1 file changed, 7 insertions(+)

Applied, thanks.

> diff --git a/Documentation/devicetree/bindings/mfd/arizona.txt b/Documentation/devicetree/bindings/mfd/arizona.txt
> index 5c7e723..7bd1273 100644
> --- a/Documentation/devicetree/bindings/mfd/arizona.txt
> +++ b/Documentation/devicetree/bindings/mfd/arizona.txt
> @@ -42,6 +42,13 @@ Optional properties:
>      the chip default will be used.  If present exactly five values must
>      be specified.
>  
> +  - wlf,inmode : A list of INn_MODE register values, where n is the number
> +    of input signals. Valid values are 0 (Differential), 1 (Single-ended) and
> +    2 (Digital Microphone). If absent, INn_MODE registers set to 0 by default.

Please #define these in include/dt-bindings in a subsequent patch.

And an example?

> +    If present, values must be specified less than or equal to the number of
> +    input singals. If values less than the number of input signals, elements
> +    that has not been specifed are set to 0 by default.
> +
>    - DCVDD-supply, MICVDD-supply : Power supplies, only need to be specified if
>      they are being externally supplied. As covered in
>      Documentation/devicetree/bindings/regulator/regulator.txt

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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