| Message ID | 20190906135436.10622-3-jacopo+renesas@jmondi.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [v4,1/9] dt-bindings: display: renesas, cmm: Add R-Car CMM documentation | expand |
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@jmondi.org> > Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> > --- > 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@ideasonboard.com> > > ports { > #address-cells = <1>; > -- > 2.23.0 >
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@jmondi.org> > > Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> > > --- > > 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@kernel.org> > > I don't really mind either way though ... > > Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com> > > > > > > ports { > > #address-cells = <1>; > > -- > > 2.23.0 > > >
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>; ports { #address-cells = <1>;