On Wed, Sep 11, 2019 at 05:06:33PM +0100, Kieran Bingham wrote:
> 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?
Yes. Doesn't matter from a dtb standpoint, but the schema are going to
be stricter here. Bracket each unit.
With that,
Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
>
> I don't really mind either way though ...
>
> Reviewed-by: Kieran Bingham <kieran.bingham+renesas@xxxxxxxxxxxxxxxx>
>
>
> >
> > ports {
> > #address-cells = <1>;
> > --
> > 2.23.0
> >
>
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