Re: [PATCH v5 1/8] dt-bindings: display: renesas,cmm: Add R-Car CMM documentation
From: Kieran Bingham
Date: Tue Oct 15 2019 - 07:39:07 EST
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
>