On 9/8/26 20:41, Luca Leonardo Scorcia wrote:
The HDMI DDC driver for both mt7623 and mt8167 is actually the same as
mt8173-hdmi-ddc and the mt7623n.dtsi board include file already uses
mt8173-hdmi-ddc compatible as a fallback, but the documentation lists
them as separate entries. Correct the binding by adding the correct
fallback.

Signed-off-by: Luca Leonardo Scorcia <[email protected]>
Reviewed-by: Krzysztof Kozlowski <[email protected]>

Reviewed-by: AngeloGioacchino Del Regno 
<[email protected]>

---
Fixes the following dtbs_check error in mt7623n-rfb-emmc.dts and
mt7623n-bananapi-bpi-r2.dts:

i2c@11013000 (mediatek,mt7623-hdmi-ddc): compatible:
   ['mediatek,mt7623-hdmi-ddc', 'mediatek,mt8173-hdmi-ddc'] is too long

  .../bindings/display/mediatek/mediatek,hdmi-ddc.yaml  | 11 +++++++----
  1 file changed, 7 insertions(+), 4 deletions(-)

diff --git 
a/Documentation/devicetree/bindings/display/mediatek/mediatek,hdmi-ddc.yaml 
b/Documentation/devicetree/bindings/display/mediatek/mediatek,hdmi-ddc.yaml
index bd8f7b8ae0ff..966127e1ee63 100644
--- a/Documentation/devicetree/bindings/display/mediatek/mediatek,hdmi-ddc.yaml
+++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,hdmi-ddc.yaml
@@ -15,10 +15,13 @@ description: |
properties:
    compatible:
-    enum:
-      - mediatek,mt7623-hdmi-ddc
-      - mediatek,mt8167-hdmi-ddc
-      - mediatek,mt8173-hdmi-ddc
+    oneOf:
+      - const: mediatek,mt8173-hdmi-ddc
+      - items:
+          - enum:
+              - mediatek,mt7623-hdmi-ddc
+              - mediatek,mt8167-hdmi-ddc
+          - const: mediatek,mt8173-hdmi-ddc
reg:
      maxItems: 1

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