linux-kernel - [PATCH v3 1/3] dt-bindings:drm/bridge:anx7625:add HDCP support flag and swing reg

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Date:   Mon, 25 Jan 2021 19:12:21 +0800
From:   Xin Ji <xji@...logixsemi.com>
To:     Rob Herring <robh+dt@...nel.org>, David Airlie <airlied@...ux.ie>,
        Nicolas Boichat <drinkcat@...gle.com>,
        Hsin-Yi Wang <hsinyi@...omium.org>
Cc:     Daniel Vetter <daniel@...ll.ch>, Sam Ravnborg <sam@...nborg.org>,
        Laurent Pinchart <laurent.pinchart+renesas@...asonboard.com>,
        Maxime Ripard <mripard@...nel.org>,
        Mark Brown <broonie@...nel.org>,
        Ricardo Cañuelo 
        <ricardo.canuelo@...labora.com>, dri-devel@...ts.freedesktop.org,
        devicetree@...r.kernel.org, Sheng Pan <span@...logixsemi.com>,
        linux-kernel@...r.kernel.org
Subject: [PATCH v3 1/3] dt-bindings:drm/bridge:anx7625:add HDCP support flag
 and swing reg

Add 'bus-type' and 'data-lanes' define for port0, add HDCP support
flag and DP tx lane0 and lane1 swing register array define.

Signed-off-by: Xin Ji <xji@...logixsemi.com>
---
 .../bindings/display/bridge/analogix,anx7625.yaml  | 57 ++++++++++++++++++++--
 1 file changed, 54 insertions(+), 3 deletions(-)

diff --git a/Documentation/devicetree/bindings/display/bridge/analogix,anx7625.yaml b/Documentation/devicetree/bindings/display/bridge/analogix,anx7625.yaml
index 60585a4..3b1cbe0 100644
--- a/Documentation/devicetree/bindings/display/bridge/analogix,anx7625.yaml
+++ b/Documentation/devicetree/bindings/display/bridge/analogix,anx7625.yaml
@@ -34,23 +34,69 @@ properties:
     description: used for reset chip control, RESET_N pin B7.
     maxItems: 1
 
+  analogix,lane0-swing:
+    $ref: /schemas/types.yaml#/definitions/uint32-array
+    description:
+      an array of swing register setting for DP tx lane0 PHY, please don't
+      add this property, or contact vendor.
+
+  analogix,lane1-swing:
+    $ref: /schemas/types.yaml#/definitions/uint32-array
+    description:
+      an array of swing register setting for DP tx lane1 PHY, please don't
+      add this property, or contact vendor.
+
+  analogix,hdcp-support:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    description: indicate the DP tx HDCP support or not.
+
   ports:
     type: object
+    additionalProperties: false
 
     properties:
       port@0:
         type: object
         description:
-          Video port for MIPI DSI input.
+          Video port for MIPI input.
+
+        properties:
+          endpoint:
+            type: object
+            additionalProperties: false
+
+            # Properties described in
+            # Documentation/devicetree/bindings/media/video-interfaces.txt
+            properties:
+              remote-endpoint: true
+              bus-type: true
+              data-lanes: true
+
+            required:
+              - remote-endpoint
+
+        required:
+          - endpoint
 
       port@1:
         type: object
         description:
           Video port for panel or connector.
 
+        properties:
+          endpoint:
+            type: object
+            additionalProperties: false
+
+            required:
+              - remote-endpoint
+
+        required:
+          - endpoint
+
     required:
-        - port@0
-        - port@1
+      - port@0
+      - port@1
 
 required:
   - compatible
@@ -73,6 +119,10 @@ examples:
             enable-gpios = <&pio 45 GPIO_ACTIVE_HIGH>;
             reset-gpios = <&pio 73 GPIO_ACTIVE_HIGH>;
 
+            analogix,lane0-swing = <0x14 0x54 0x64 0x74 0x29 0x7b 0x77 0x5b>;
+            analogix,lane1-swing = <0x14 0x54 0x64 0x74 0x29 0x7b 0x77 0x5b>;
+            analogix,hdcp-support = <0>;
+
             ports {
                 #address-cells = <1>;
                 #size-cells = <0>;
@@ -81,6 +131,7 @@ examples:
                     reg = <0>;
                     anx7625_in: endpoint {
                         remote-endpoint = <&mipi_dsi>;
+                        bus-type = <5>;
                     };
                 };
 
-- 
2.7.4