[PATCH v2 1/2] media: dt-bindings: mediatek: Add phandle to mediatek,scp on MDP3 RDMA

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The MDP3 RDMA needs to communicate with the SCP remote processor: allow
specifying a phandle to a SCP core.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>
---

v2: I've dropped Conor and Chen-Yu's Reviewed-by tags because I have changed
    the description (so, the patch actually changed a bit).

 .../devicetree/bindings/media/mediatek,mdp3-rdma.yaml     | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/Documentation/devicetree/bindings/media/mediatek,mdp3-rdma.yaml b/Documentation/devicetree/bindings/media/mediatek,mdp3-rdma.yaml
index 7032c7e15039..59dcea797b71 100644
--- a/Documentation/devicetree/bindings/media/mediatek,mdp3-rdma.yaml
+++ b/Documentation/devicetree/bindings/media/mediatek,mdp3-rdma.yaml
@@ -45,6 +45,14 @@ properties:
       include/dt-bindings/gce/<chip>-gce.h of each chips.
     $ref: /schemas/types.yaml#/definitions/uint32-array
 
+  mediatek,scp:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    description:
+      Phandle to the System Control Processor (SCP) used for initializing
+      and stopping the MDP3, for sending frame data locations to the MDP3's
+      VPU and to install Inter-Processor Interrupt handlers to control
+      processing states.
+
   power-domains:
     maxItems: 1
 
-- 
2.42.0




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