linux-kernel - Re: [PATCH 2/2] drm/panel: simple: Add support for Winstar WF35LTIACD

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Message-ID: <20170312141758.rbwixoq2hykdo34f@rob-hp-laptop>
Date:   Sun, 12 Mar 2017 09:17:58 -0500
From:   Rob Herring <robh@...nel.org>
To:     Richard Genoud <richard.genoud@...il.com>
Cc:     Thierry Reding <thierry.reding@...il.com>,
        Mark Rutland <mark.rutland@....com>,
        dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] drm/panel: simple: Add support for Winstar WF35LTIACD

On Fri, Mar 03, 2017 at 04:21:56PM +0100, Richard Genoud wrote:
> This adds support for the Winstar Display Co. WF35LTIACD 3.5" QVGA TFT
> LCD panel, which can be supported by the simple panel driver.
> 
> Signed-off-by: Richard Genoud <richard.genoud@...il.com>
> ---
>  .../bindings/display/panel/winstar,wf35ltiacd      |  7 ++++++
>  drivers/gpu/drm/panel/panel-simple.c               | 28 ++++++++++++++++++++++
>  2 files changed, 35 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/display/panel/winstar,wf35ltiacd
> 
> diff --git a/Documentation/devicetree/bindings/display/panel/winstar,wf35ltiacd b/Documentation/devicetree/bindings/display/panel/winstar,wf35ltiacd
> new file mode 100644
> index 000000000000..68408adf239f
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/panel/winstar,wf35ltiacd
> @@ -0,0 +1,7 @@
> +Winstar Display Corporation 3.5" QVGA (320x240) TFT LCD panel
> +
> +Required properties:
> +- compatible: should be "winstar,wf35ltiacd"
> +
> +This binding is compatible with the simple-panel binding, which is specified
> +in simple-panel.txt in this directory.

Please specify the power supply(ies). I know a lot of bindings haven't, 
but many panels have more than 1 supply and just relying on simple panel 
doesn't distinguish whether the panel has 1 supply or you didn't check 
and it has more than 1.

Rob