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 Maxime