Re: [PATCH] dt-bindings: display: renesas,du: Provide bindings for r8a779a0

Hi Geert,

On Wed, Jun 23, 2021 at 02:53:33PM +0200, Geert Uytterhoeven wrote:

On Wed, Jun 23, 2021 at 1:11 AM Kieran Bingham wrote:

...

From: Kieran Bingham kieran.bingham+renesas@ideasonboard.com

Extend the Renesas DU display bindings to support the r8a779a0 V3U.

Signed-off-by: Kieran Bingham kieran.bingham+renesas@ideasonboard.com

Thanks for your patch!

...

--- a/Documentation/devicetree/bindings/display/renesas,du.yaml +++ b/Documentation/devicetree/bindings/display/renesas,du.yaml @@ -39,6 +39,7 @@ properties: - renesas,du-r8a77980 # for R-Car V3H compatible DU - renesas,du-r8a77990 # for R-Car E3 compatible DU - renesas,du-r8a77995 # for R-Car D3 compatible DU

•  - renesas,du-r8a779a0 # for R-Car V3U compatible DU
  
  

  reg: maxItems: 1

@@ -774,6 +775,57 @@ allOf: - reset-names - renesas,vsps

• • if:

•  properties:
  

•    compatible:
  

•      contains:
  

•        enum:
  

•          - renesas,du-r8a779a0
  

• then:

•  properties:
  

•    clocks:
  

•      items:
  

•        - description: Functional clock for DU0
  

•        - description: Functional clock for DU1
  

•    clock-names:
  

•      items:
  

•        - const: du.0
  

•        - const: du.1
  

The hardware block has only a single function clock for both channels, like on R-Car H1.

And what about DU_DOTCLKIN?

As far as I can tell, there's no DU_DOTCLKIN in V3U.