Thread (18 messages) 18 messages, 5 authors, 2022-06-17
STALE1494d

[PATCH 2/7] dt-bindings: display: mediatek: dpi: add binding for MT8365

From: Fabien Parent <hidden>
Date: 2022-05-30 20:15:17
Also in: dri-devel, linux-arm-kernel, linux-mediatek, lkml
Subsystem: drm drivers, drm drivers and misc gpu patches, drm drivers for mediatek, open firmware and flattened device tree bindings, the rest · Maintainers: David Airlie, Simona Vetter, Maarten Lankhorst, Maxime Ripard, Thomas Zimmermann, Chun-Kuang Hu, Philipp Zabel, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds

DPI for MT8365 is compatible with MT8192 but requires an additional
clock. Modify the documentation to requires this clock only on MT8365 SoCs.

Signed-off-by: Fabien Parent <redacted>
---
 .../display/mediatek/mediatek,dpi.yaml        | 44 ++++++++++++++++---
 1 file changed, 37 insertions(+), 7 deletions(-)
diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.yaml b/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.yaml
index caf4c88708f4..c9c9f4d5ebe7 100644
--- a/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.yaml
+++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.yaml
@@ -17,13 +17,18 @@ description: |
 
 properties:
   compatible:
-    enum:
-      - mediatek,mt2701-dpi
-      - mediatek,mt7623-dpi
-      - mediatek,mt8173-dpi
-      - mediatek,mt8183-dpi
-      - mediatek,mt8186-dpi
-      - mediatek,mt8192-dpi
+    oneOf:
+      - enum:
+          - mediatek,mt2701-dpi
+          - mediatek,mt7623-dpi
+          - mediatek,mt8173-dpi
+          - mediatek,mt8183-dpi
+          - mediatek,mt8186-dpi
+          - mediatek,mt8192-dpi
+      - items:
+          - enum:
+              - mediatek,mt8365-dpi
+          - const: mediatek,mt8192-dpi
 
   reg:
     maxItems: 1
@@ -32,16 +37,20 @@ properties:
     maxItems: 1
 
   clocks:
+    minItems: 3
     items:
       - description: Pixel Clock
       - description: Engine Clock
       - description: DPI PLL
+      - description: DPI Clock
 
   clock-names:
+    minItems: 3
     items:
       - const: pixel
       - const: engine
       - const: pll
+      - const: dpi
 
   pinctrl-0: true
   pinctrl-1: true
@@ -71,6 +80,27 @@ required:
 
 additionalProperties: false
 
+allOf:
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: mediatek,mt8365-dpi
+
+    then:
+      properties:
+        clocks:
+          maxItems: 4
+        clock-names:
+          maxItems: 4
+
+    else:
+      properties:
+        clocks:
+          maxItems: 3
+        clock-names:
+          maxItems: 3
+
 examples:
   - |
     #include <dt-bindings/interrupt-controller/arm-gic.h>
-- 
2.36.1
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