Re: [PATCH v4 2/9] dt-bindings: display, renesas,du: Document cmms property
From: Kieran Bingham
Date: Wed Sep 11 2019 - 12:06:41 EST
Hi Jacopo,
On 06/09/2019 14:54, Jacopo Mondi wrote:
> Document the newly added 'cmms' property which accepts a list of phandle
> and channel index pairs that point to the CMM units available for each
> Display Unit output video channel.
>
> Signed-off-by: Jacopo Mondi <jacopo+renesas@xxxxxxxxxx>
> Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
> ---
> Documentation/devicetree/bindings/display/renesas,du.txt | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/display/renesas,du.txt b/Documentation/devicetree/bindings/display/renesas,du.txt
> index c97dfacad281..1773b0a2f54f 100644
> --- a/Documentation/devicetree/bindings/display/renesas,du.txt
> +++ b/Documentation/devicetree/bindings/display/renesas,du.txt
> @@ -45,6 +45,10 @@ Required Properties:
> instance that serves the DU channel, and the channel index identifies the
> LIF instance in that VSP.
>
> + - renesas,cmms: A list of phandles to the CMM instances present in the SoC,
> + one for each available DU channel. The property shall not be specified for
> + SoCs that do not provide any CMM (such as V3M and V3H).
> +
> Required nodes:
>
> The connections to the DU output video ports are modeled using the OF graph
> @@ -91,6 +95,7 @@ Example: R8A7795 (R-Car H3) ES2.0 DU
> <&cpg CPG_MOD 721>;
> clock-names = "du.0", "du.1", "du.2", "du.3";
> vsps = <&vspd0 0>, <&vspd1 0>, <&vspd2 0>, <&vspd0 1>;
> + renesas,cmms = <&cmm0 &cmm1 &cmm2 &cmm3>;
Should these be comma separated in the same fashion as the vsps are
separated?
I don't really mind either way though ...
Reviewed-by: Kieran Bingham <kieran.bingham+renesas@xxxxxxxxxxxxxxxx>
>
> ports {
> #address-cells = <1>;
> --
> 2.23.0
>