On Mon, Jun 18, 2018 at 04:58:25PM +0200, Paul Kocialkowski wrote:
> This introduces dedicated bindings for the SRAM controllers found on the
> A13, A20 and A33 sunxi platforms.
> 
> Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>

Explaining why you need to add these new compatibles would be great.

> diff --git a/Documentation/devicetree/bindings/sram/sunxi-sram.txt b/Documentation/devicetree/bindings/sram/sunxi-sram.txt
> index d087f04a4d7f..19cc0b892672 100644
> --- a/Documentation/devicetree/bindings/sram/sunxi-sram.txt
> +++ b/Documentation/devicetree/bindings/sram/sunxi-sram.txt
> @@ -11,6 +11,9 @@ Controller Node
>  Required properties:
>  - compatible : should be:
>      - "allwinner,sun4i-a10-sram-controller"
> +    - "allwinner,sun5i-a13-sram-controller"
> +    - "allwinner,sun7i-a20-sram-controller"
> +    - "allwinner,sun8i-a33-sram-controller"

And I think Chen-Yu asked you to rename this compatible to
-system-controller for the previous iteration?

Maxime

-- 
Maxime Ripard, Bootlin (formerly Free Electrons)
Embedded Linux and Kernel engineering
https://bootlin.com