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SubjectRe: [PATCH 02/14] dt-bindings: media: sun4i-csi: Add compatible for CSI0 on R40
On Mon, Dec 16, 2019 at 12:59:12AM +0800, Chen-Yu Tsai wrote:
> From: Chen-Yu Tsai <>
> 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.
Acked-by: Maxime Ripard <>

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