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dt-bindings: display: renesas,du: Document cmms property

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Document the newly added 'renesas,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.

Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
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Jacopo Mondi 2019-10-16 10:55:42 +02:00 committed by Laurent Pinchart
parent 7f7b9455b3
commit 6e2258b58f
1 changed files with 5 additions and 0 deletions
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Documentation/devicetree/bindings/display/renesas,du.txt
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@ -46,6 +46,10 @@ 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
@ -93,6 +97,7 @@ 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>;