linux-kernel - Re: [PATCH 02/14] dt-bindings: media: sun4i-csi: Add compatible for CSI0 on R40

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Message-ID: <20191219235738.GA11443@bogus>
Date:   Thu, 19 Dec 2019 17:57:38 -0600
From:   Rob Herring <robh@...nel.org>
To:     Chen-Yu Tsai <wens@...nel.org>
Cc:     Maxime Ripard <mripard@...nel.org>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Mark Rutland <mark.rutland@....com>,
        Chen-Yu Tsai <wens@...nel.org>, linux-media@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, Chen-Yu Tsai <wens@...e.org>
Subject: Re: [PATCH 02/14] dt-bindings: media: sun4i-csi: Add compatible for
 CSI0 on R40

On Mon, 16 Dec 2019 00:59:12 +0800, Chen-Yu Tsai wrote:
> From: Chen-Yu Tsai <wens@...e.org>
> 
> The CSI0 block in the Allwinner R40 SoC looks to be the same as the one
> in the A20. The register maps line up, and they support the same
> features. The R40 appears to support BT.1120 based on the feature
> overview, but it is not mentioned anywhere else. Also like the A20, the
> ISP is not mentioned, but the CSI special clock needs to be enabled for
> the hardware to function. The manual does state that the CSI special
> clock is the TOP clock for all CSI hardware, but currently no hardware
> exists for us to test if CSI1 also depends on it or not.
> 
> Add a compatible string for the CSI0 block in the R40, with the A20
> compatible string as a fallback.
> 
> Signed-off-by: Chen-Yu Tsai <wens@...e.org>
> ---
>  .../devicetree/bindings/media/allwinner,sun4i-a10-csi.yaml     | 3 +++
>  1 file changed, 3 insertions(+)
> 

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