linux-kernel - [PATCH 1/2] dt-bindings: bridge: lt8713sx: Add bindings

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Message-Id: <20251115-lt8713sx-bridge-driver-v1-1-bd5a1c1c730a@oss.qualcomm.com>
Date: Sat, 15 Nov 2025 06:33:56 +0530
From: Vishnu Saini <vishnu.saini@....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>, Tony <syyang@...tium.com>
Cc: dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Vishnu Saini <vishnu.saini@....qualcomm.com>,
        prahlad.valluru@....qualcomm.com,
        qc-display-maintainer@....qualcomm.com,
        Prahlad Valluru <vvalluru@....qualcomm.com>
Subject: [PATCH 1/2] dt-bindings: bridge: lt8713sx: Add bindings

Add bindings for lt8713sx.

Signed-off-by: Vishnu Saini <vishnu.saini@....qualcomm.com>
Co-developed-by: Prahlad Valluru <vvalluru@....qualcomm.com>
Signed-off-by: Prahlad Valluru <vvalluru@....qualcomm.com>
---
 Documentation/devicetree/bindings/display/bridge/lontium,lt8713sx.yaml | 47 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 47 insertions(+)

diff --git a/Documentation/devicetree/bindings/display/bridge/lontium,lt8713sx.yaml b/Documentation/devicetree/bindings/display/bridge/lontium,lt8713sx.yaml
new file mode 100644
index 000000000000..3292e149706c
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/bridge/lontium,lt8713sx.yaml
@@ -0,0 +1,47 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/bridge/lontium,lt8713sx.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Lontium LT8713SX Type-C/DP1.4 to Type-C/DP1.4/HDMI2.0/DP++ bridge-hub
+
+maintainers:
+  - Tony <syyang@...tium.com>
+
+description: |
+  The Lontium LT8713SX is a Type-C/DP1.4 to Type-C/DP1.4/HDMI2.0 converter
+  that integrates one DP input and up to three configurable output interfaces
+  (DP1.4 / HDMI2.0 / DP++), with SST/MST functionality and audio support.
+
+properties:
+  compatible:
+    enum:
+      - lontium,lt8713sx
+
+  reg:
+    maxItems: 1
+    description: I2C address of the device.
+
+  reset-gpios:
+    description: GPIO connected to active high RESET pin.
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+
+    i2c0 {
+        #address-cells = <1>;
+        #size-cells = <0>;
+        bridge@4f {
+            compatible = "lontium,lt8713sx";
+            reg = <0x4f>;
+            reset-gpios = <&tlmm 6 GPIO_ACTIVE_HIGH>;
+        };
+    };

-- 
2.34.1