[PATCH v3 1/5] dt-bindings: display: bridge: Add ddc-i2c-bus for anx7688

[Pin-yen Lin]

Introduce a optional "ddc-i2c-bus" property for anx7688 bridge. This
allows the bridge to register a .get_edid callback.

Signed-off-by: Pin-yen Lin <treapking at chromium.org>
---

Changes in v3:
- New in v3

 .../bindings/display/bridge/google,cros-ec-anx7688.yaml      | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Documentation/devicetree/bindings/display/bridge/google,cros-ec-anx7688.yaml b/Documentation/devicetree/bindings/display/bridge/google,cros-ec-anx7688.yaml
index a44d025d33bd..9d5ce8172e88 100644
--- a/Documentation/devicetree/bindings/display/bridge/google,cros-ec-anx7688.yaml
+++ b/Documentation/devicetree/bindings/display/bridge/google,cros-ec-anx7688.yaml
@@ -25,6 +25,10 @@ properties:
     maxItems: 1
     description: I2C address of the device.
 
+  ddc-i2c-bus:
+    description: phandle link to the I2C controller used for DDC EDID probing
+    $ref: /schemas/types.yaml#/definitions/phandle
+
   ports:
     $ref: /schemas/graph.yaml#/properties/ports
 
@@ -59,6 +63,7 @@ examples:
         anx7688: anx7688 at 2c {
             compatible = "google,cros-ec-anx7688";
             reg = <0x2c>;
+            ddc-i2c-bus = <&hdmiddc0>;
 
             ports {
                 #address-cells = <1>;
-- 
2.39.2.637.g21b0678d19-goog