On Tue, Oct 23, 2018 at 09:20:33PM +0530, Jagan Teki wrote:
> The MIPI DSI PHY HDMI controller on Allwinner A64 is similar
> on the one on A31.
> 
> Add A64 compatible and append A31 compatible as fallback.
> 
> Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
> ---
> Changes for v2:
> - new patch
> 
>  Documentation/devicetree/bindings/display/sunxi/sun6i-dsi.txt | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/display/sunxi/sun6i-dsi.txt b/Documentation/devicetree/bindings/display/sunxi/sun6i-dsi.txt
> index 9fa6e7a758ad..704fb31962f2 100644
> --- a/Documentation/devicetree/bindings/display/sunxi/sun6i-dsi.txt
> +++ b/Documentation/devicetree/bindings/display/sunxi/sun6i-dsi.txt
> @@ -36,7 +36,7 @@ D-PHY
>  
>  Required properties:
>    - compatible: value must be one of:
> -    * allwinner,sun6i-a31-mipi-dphy
> +    * "allwinner,sun50i-a64-mipi-dphy", "allwinner,sun6i-a31-mipi-dphy"

No. you need both. The A64 MIPI DPHY one needs to be always set with
the A31 fallback, but the A31 is also usable on its own.

Maxime

-- 
Maxime Ripard, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com