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

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Message-Id: <20230218111712.2380225-2-treapking@chromium.org>
Date:   Sat, 18 Feb 2023 19:17:08 +0800
From:   Pin-yen Lin <treapking@...omium.org>
To:     Andrzej Hajda <andrzej.hajda@...el.com>,
        Neil Armstrong <neil.armstrong@...aro.org>,
        Robert Foss <rfoss@...nel.org>,
        Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
        Jonas Karlman <jonas@...boo.se>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Benson Leung <bleung@...omium.org>
Cc:     Chun-Kuang Hu <chunkuang.hu@...nel.org>,
        devicetree@...r.kernel.org,
        Nicolas Boichat <drinkcat@...omium.org>,
        chrome-platform@...ts.linux.dev, linux-kernel@...r.kernel.org,
        Guenter Roeck <groeck@...omium.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        dri-devel@...ts.freedesktop.org,
        linux-mediatek@...ts.infradead.org,
        Philipp Zabel <p.zabel@...gutronix.de>,
        linux-arm-kernel@...ts.infradead.org,
        Pin-yen Lin <treapking@...omium.org>
Subject: [PATCH v3 1/5] dt-bindings: display: bridge: Add ddc-i2c-bus for anx7688

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@...omium.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@2c {
             compatible = "google,cros-ec-anx7688";
             reg = <0x2c>;
+            ddc-i2c-bus = <&hdmiddc0>;
 
             ports {
                 #address-cells = <1>;
-- 
2.39.2.637.g21b0678d19-goog