[PATCH v2 1/3] dt-bindings: display: mediatek: dpi: Add power domains

[Rohit Agarwal]

Add power domain binding to the mediatek DPI controller
for MT8186.
Also, add power domain binding for other SoCs like
MT6795 and MT8173 that already had power domain property.

Signed-off-by: Rohit Agarwal <rohiagar at chromium.org>
---
 .../display/mediatek/mediatek,dpi.yaml        | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.yaml b/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.yaml
index 5ca7679d5427..864b781fdcea 100644
--- a/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.yaml
+++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.yaml
@@ -62,6 +62,8 @@ properties:
       - const: default
       - const: sleep
 
+  power-domains: true
+
   port:
     $ref: /schemas/graph.yaml#/properties/port
     description:
@@ -76,6 +78,23 @@ required:
   - clock-names
   - port
 
+allOf:
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - mediatek,mt6795-dpi
+              - mediatek,mt8173-dpi
+              - mediatek,mt8186-dpi
+    then:
+      properties:
+        power-domains:
+          maxItems: 1
+    else:
+      properties:
+        power-domains: false
+
 additionalProperties: false
 
 examples:
-- 
2.46.0.295.g3b9ea8a38a-goog