linux-kernel - Re: [PATCH v4 10/14] dt-bindings: Add support for SAW documentation

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Date:   Mon, 9 Apr 2018 15:21:44 -0500
From:   Rob Herring <robh@...nel.org>
To:     Ilia Lin <ilialin@...eaurora.org>
Cc:     mturquette@...libre.com, sboyd@...nel.org, mark.rutland@....com,
        rjw@...ysocki.net, viresh.kumar@...aro.org, lgirdwood@...il.com,
        broonie@...nel.org, andy.gross@...aro.org, david.brown@...aro.org,
        catalin.marinas@....com, will.deacon@....com,
        linux-clk@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, linux-soc@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, rnayak@...eaurora.org,
        amit.kucheria@...aro.org, nicolas.dechesne@...aro.org,
        celster@...eaurora.org, tfinkel@...eaurora.org
Subject: Re: [PATCH v4 10/14] dt-bindings: Add support for SAW documentation

On Fri, Mar 30, 2018 at 12:26:43AM +0300, Ilia Lin wrote:
> Add support for SAW controlled regulators in 8x96.
> Document it.

Perhaps some clue in the subject what subsystem and/or device this 
applies to.

> 
> Signed-off-by: Ilia Lin <ilialin@...eaurora.org>
> ---
>  .../bindings/regulator/qcom,spmi-regulator.txt     | 45 ++++++++++++++++++++++
>  1 file changed, 45 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/regulator/qcom,spmi-regulator.txt b/Documentation/devicetree/bindings/regulator/qcom,spmi-regulator.txt
> index 57d2c65..406f2e5 100644
> --- a/Documentation/devicetree/bindings/regulator/qcom,spmi-regulator.txt
> +++ b/Documentation/devicetree/bindings/regulator/qcom,spmi-regulator.txt
> @@ -110,6 +110,11 @@ Qualcomm SPMI Regulators
>  	Definition: Reference to regulator supplying the input pin, as
>  		    described in the data sheet.
>  
> +- qcom,saw-reg:
> +	Usage: optional
> +	Value type: <phandle>
> +	Description: Reference to syscon node defining the SAW registers.
> +
>  
>  The regulator node houses sub-nodes for each regulator within the device. Each
>  sub-node is identified using the node's name, with valid values listed for each
> @@ -201,6 +206,17 @@ see regulator.txt - with additional custom properties described below:
>  			2 = 0.55 uA
>  			3 = 0.75 uA
>  
> +- qcom,saw-slave:
> +	Usage: optional
> +	Value type: <boo>
> +	Description: SAW controlled gang slave. Will not be configured.
> +
> +- qcom,saw-leader:
> +	Usage: optional
> +	Value type: <boo>
> +	Description: SAW controlled gang leader. Will be configured as
> +		     SAW regulator.

Would the coupled regulator binding work in this case?

Rob