linux-kernel - [PATCH v4 1/2] dt-bindings: bridge: lt9211c: Add bindings

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Message-Id: <20251224-add-lt9211c-bridge-v4-1-406e73ec28c5@oss.qualcomm.com>
Date: Wed, 24 Dec 2025 12:41:40 +0530
From: Venkata Gopi Nagaraju Botlagunta <venkata.botlagunta@....qualcomm.com>
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>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
        Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>, Marek Vasut <marex@...x.de>
Cc: dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Gopi Botlagunta <venkata.botlagunta@....qualcomm.com>,
        Nilesh Laad <nilesh.laad@....qualcomm.com>,
        venkata.valluru@....qualcomm.com, jessica.zhang@....qualcomm.com,
        Yi Zhang <zhanyi@....qualcomm.com>
Subject: [PATCH v4 1/2] dt-bindings: bridge: lt9211c: Add bindings

From: Yi Zhang <zhanyi@....qualcomm.com>

Add bindings for lt9211c.

Signed-off-by: Yi Zhang <zhanyi@....qualcomm.com>
Signed-off-by: Nilesh Laad <nilesh.laad@....qualcomm.com>
Signed-off-by: Gopi Botlagunta <venkata.botlagunta@....qualcomm.com>
---
 .../bindings/display/bridge/lontium,lt9211.yaml    | 42 ++++++++++++++++++++--
 1 file changed, 40 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/display/bridge/lontium,lt9211.yaml b/Documentation/devicetree/bindings/display/bridge/lontium,lt9211.yaml
index 9a6e9b25d14a..98079df61cbb 100644
--- a/Documentation/devicetree/bindings/display/bridge/lontium,lt9211.yaml
+++ b/Documentation/devicetree/bindings/display/bridge/lontium,lt9211.yaml
@@ -4,19 +4,20 @@
 $id: http://devicetree.org/schemas/display/bridge/lontium,lt9211.yaml#
 $schema: http://devicetree.org/meta-schemas/core.yaml#
 
-title: Lontium LT9211 DSI/LVDS/DPI to DSI/LVDS/DPI bridge.
+title: Lontium LT9211/LT9211C DSI/LVDS/DPI to DSI/LVDS/DPI bridge.
 
 maintainers:
   - Marek Vasut <marex@...x.de>
 
 description: |
-  The LT9211 are bridge devices which convert Single/Dual-Link DSI/LVDS
+  The LT9211 and LT9211C are bridge devices which convert Single/Dual-Link DSI/LVDS
   or Single DPI to Single/Dual-Link DSI/LVDS or Single DPI.
 
 properties:
   compatible:
     enum:
       - lontium,lt9211
+      - lontium,lt9211c
 
   reg:
     maxItems: 1
@@ -91,6 +92,43 @@ examples:
 
         vccio-supply = <&lt9211_1v8>;
 
+        ports {
+          #address-cells = <1>;
+          #size-cells = <0>;
+
+          port@0 {
+            reg = <0>;
+
+            endpoint {
+              remote-endpoint = <&dsi0_out>;
+            };
+          };
+
+          port@2 {
+            reg = <2>;
+
+            endpoint {
+              remote-endpoint = <&panel_in_lvds>;
+            };
+          };
+        };
+      };
+    };
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+
+    i2c {
+      #address-cells = <1>;
+      #size-cells = <0>;
+
+      lvds-bridge@3b {
+        compatible = "lontium,lt9211c";
+        reg = <0x3b>;
+
+        reset-gpios = <&tlmm 128 GPIO_ACTIVE_HIGH>;
+
+        vccio-supply = <&lt9211c_1v8>;
+
         ports {
           #address-cells = <1>;
           #size-cells = <0>;

-- 
2.34.1