linux-kernel - [PATCH v2 1/2] dt-bindings: drm/bridge: anx7625: add DPI flag and swing setting

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Date:   Thu, 31 Dec 2020 10:21:12 +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 v2 1/2] dt-bindings: drm/bridge: anx7625: add DPI flag and
 swing setting

Add DPI flag for distinguish MIPI input signal type, DSI or DPI. Add
swing setting for adjusting DP tx PHY swing

Signed-off-by: Xin Ji <xji@...logixsemi.com>
---
 .../bindings/display/bridge/analogix,anx7625.yaml  | 25 ++++++++++++++++++++--
 1 file changed, 23 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/display/bridge/analogix,anx7625.yaml b/Documentation/devicetree/bindings/display/bridge/analogix,anx7625.yaml
index 60585a4..4eb0ea3 100644
--- a/Documentation/devicetree/bindings/display/bridge/analogix,anx7625.yaml
+++ b/Documentation/devicetree/bindings/display/bridge/analogix,anx7625.yaml
@@ -34,6 +34,16 @@ properties:
     description: used for reset chip control, RESET_N pin B7.
     maxItems: 1
 
+  analogix,swing-setting:
+    type: uint8-array
+    $ref: /schemas/types.yaml#/definitions/uint32-array
+    description: an array of swing register setting for DP tx PHY
+
+  analogix,mipi-dpi-in:
+    type: int
+    $ref: /schemas/types.yaml#/definitions/uint32
+    description: indicate the MIPI rx signal type is DPI or DSI
+
   ports:
     type: object
 
@@ -49,8 +59,8 @@ properties:
           Video port for panel or connector.
 
     required:
-        - port@0
-        - port@1
+      - port@0
+      - port@1
 
 required:
   - compatible
@@ -72,6 +82,17 @@ examples:
             reg = <0x58>;
             enable-gpios = <&pio 45 GPIO_ACTIVE_HIGH>;
             reset-gpios = <&pio 73 GPIO_ACTIVE_HIGH>;
+            analogix,swing-setting = <0x00 0x14>, <0x01 0x54>,
+                <0x02 0x64>, <0x03 0x74>, <0x04 0x29>,
+                <0x05 0x7b>, <0x06 0x77>, <0x07 0x5b>,
+                <0x08 0x7f>, <0x0c 0x20>, <0x0d 0x60>,
+                <0x10 0x60>, <0x12 0x40>, <0x13 0x60>,
+                <0x14 0x14>, <0x15 0x54>, <0x16 0x64>,
+                <0x17 0x74>, <0x18 0x29>, <0x19 0x7b>,
+                <0x1a 0x77>, <0x1b 0x5b>, <0x1c 0x7f>,
+                <0x20 0x20>, <0x21 0x60>, <0x24 0x60>,
+                <0x26 0x40>, <0x27 0x60>;
+            analogix,mipi-dpi-in = <0>;
 
             ports {
                 #address-cells = <1>;
-- 
2.7.4