Re: [PATCH v5 1/8] dt-bindings: display: renesas,cmm: Add R-Car CMM documentation

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Hi Jacopo,

On 15/10/2019 11:46, Jacopo Mondi wrote:
> Add device tree bindings documentation for the Renesas R-Car Display
> Unit Color Management Module.
> 
> CMM is the image enhancement module available on each R-Car DU video
> channel on R-Car Gen2 and Gen3 SoCs (V3H and V3M excluded).
> 

LGTM. Good to see how we get started with the new yaml bindings. I guess
we've got plenty of conversion work to do there ..

Reviewed-by: Kieran Bingham <kieran.bingham+renesas@xxxxxxxxxxxxxxxx>

> Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
> Signed-off-by: Jacopo Mondi <jacopo+renesas@xxxxxxxxxx>
> ---
>  .../bindings/display/renesas,cmm.yaml         | 67 +++++++++++++++++++
>  1 file changed, 67 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/display/renesas,cmm.yaml
> 
> diff --git a/Documentation/devicetree/bindings/display/renesas,cmm.yaml b/Documentation/devicetree/bindings/display/renesas,cmm.yaml
> new file mode 100644
> index 000000000000..a57037b9e9ba
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/renesas,cmm.yaml
> @@ -0,0 +1,67 @@
> +# SPDX-License-Identifier: GPL-2.0-only
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/display/renesas,cmm.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Renesas R-Car Color Management Module (CMM)
> +
> +maintainers:
> +  - Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
> +  - Kieran Bingham <kieran.bingham+renesas@xxxxxxxxxxxxxxxx>
> +  - Jacopo Mondi <jacopo+renesas@xxxxxxxxxx>
> +
> +description: |+
> +  Renesas R-Car color management module connected to R-Car DU video channels.
> +  It provides image enhancement functions such as 1-D look-up tables (LUT),
> +  3-D look-up tables (CLU), 1D-histogram generation (HGO), and color
> +  space conversion (CSC).
> +
> +properties:
> +  compatible:
> +    oneOf:
> +      - items:
> +        - enum:
> +          - renesas,r8a7795-cmm
> +          - renesas,r8a7796-cmm
> +          - renesas,r8a77965-cmm
> +          - renesas,r8a77990-cmm
> +          - renesas,r8a77995-cmm
> +        - const: renesas,rcar-gen3-cmm
> +      - items:
> +        - const: renesas,rcar-gen2-cmm
> +
> +  reg:
> +    maxItems: 1
> +
> +  clocks:
> +    maxItems: 1
> +
> +  resets:
> +    maxItems: 1
> +
> +  power-domains:
> +    maxItems: 1
> +
> +required:
> +  - compatible
> +  - reg
> +  - clocks
> +  - resets
> +  - power-domains
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/clock/r8a7796-cpg-mssr.h>
> +    #include <dt-bindings/power/r8a7796-sysc.h>
> +
> +    cmm0: cmm@fea40000 {
> +         compatible = "renesas,r8a7796-cmm",
> +                      "renesas,rcar-gen3-cmm";
> +         reg = <0 0xfea40000 0 0x1000>;
> +         power-domains = <&sysc R8A7796_PD_ALWAYS_ON>;
> +         clocks = <&cpg CPG_MOD 711>;
> +         resets = <&cpg 711>;
> +    };
> --
> 2.23.0
> 

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