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..c2265e2a1af2 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.
+ - 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>;
+ cmms = <&cmm0 &cmm1 &cmm2 &cmm3>;
ports {
#address-cells = <1>;
--
2.22.0
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