linux-kernel - Re: [PATCH 1/2] dt-bindings: panel/kingdisplay, kd035g6-54nt: Remove spi-cs-high

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Message-ID: <20210308230138.GA3110798@robh.at.kernel.org>
Date:   Mon, 8 Mar 2021 16:01:38 -0700
From:   Rob Herring <robh@...nel.org>
To:     Paul Cercueil <paul@...pouillou.net>
Cc:     Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        linux-mips@...r.kernel.org, od@...c.me,
        Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] dt-bindings: panel/kingdisplay, kd035g6-54nt: Remove
 spi-cs-high

On Sun, 07 Mar 2021 19:28:29 +0000, Paul Cercueil wrote:
> The NT39016 panel is a fun beast, even though the documentation states
> that the CS line is active-low, it will work just fine if the CS line is
> configured as active-high, but it won't work if the CS line is forced
> low or forced high.
> 
> Since it did actually work with the spi-cs-high property, this is not a
> bugfix, but we should nonetheless remove that property from the example
> to match the documentation.
> 
> Signed-off-by: Paul Cercueil <paul@...pouillou.net>
> ---
>  .../bindings/display/panel/kingdisplay,kd035g6-54nt.yaml         | 1 -
>  1 file changed, 1 deletion(-)
> 

Acked-by: Rob Herring <robh@...nel.org>