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