[PATCH v5 1/2] dt-bindings: bridge: Add Lontium LT7911EXC eDP to MIPI DSI bridge

[syyang]

From: Sunyun Yang <syyang@xxxxxxxxxxx>

The LT7911EXC is an I2C-controlled bridge that Receiver eDP1.4
and output signal/dual port mipi dsi.

Signed-off-by: Sunyun Yang <syyang@xxxxxxxxxxx>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxxxxxxxx>
---
 .../display/bridge/lontium,lt7911exc.yaml     | 89 +++++++++++++++++++
 1 file changed, 89 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/display/bridge/lontium,lt7911exc.yaml

diff --git a/Documentation/devicetree/bindings/display/bridge/lontium,lt7911exc.yaml b/Documentation/devicetree/bindings/display/bridge/lontium,lt7911exc.yaml
new file mode 100644
index 000000000000..3290b10ce883
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/bridge/lontium,lt7911exc.yaml
@@ -0,0 +1,89 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/bridge/lontium,lt7911exc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Lontium LT7911EXC eDP to MIPI DSI Bridge
+
+maintainers:
+  - Sunyun Yang <syyang@xxxxxxxxxxx>
+
+properties:
+  compatible:
+    enum:
+      - lontium,lt7911exc
+
+  reg:
+    maxItems: 1
+
+  reset-gpios:
+    maxItems: 1
+    description: GPIO connected to RST_ pin.
+
+  vdd-supply:
+    description: Regulator for 1.2V MIPI phy power.
+
+  vcc-supply:
+    description: Regulator for 3.3V IO power.
+
+  ports:
+    $ref: /schemas/graph.yaml#/properties/ports
+
+    properties:
+      port@0:
+        $ref: /schemas/graph.yaml#/properties/port
+        description: Video port for eDP input.
+
+      port@1:
+        $ref: /schemas/graph.yaml#/properties/port
+        description: Video port for MIPI DSI output.
+
+    required:
+      - port@0
+      - port@1
+
+required:
+  - compatible
+  - reg
+  - reset-gpios
+  - vdd-supply
+  - vcc-supply
+  - ports
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        mipi-bridge@41 {
+            compatible = "lontium,lt7911exc";
+            reg = <0x41>;
+            reset-gpios = <&gpy8 8 GPIO_ACTIVE_LOW>;
+            vdd-supply = <&lt7911exc_1v2>;
+            vcc-supply = <&lt7911exc_3v3>;
+
+            ports {
+                #address-cells = <1>;
+                #size-cells = <0>;
+
+                port@0 {
+                    reg = <0>;
+                    bridge_in: endpoint {
+                        remote-endpoint = <&edp_out>;
+                    };
+                };
+
+                port@1 {
+                    reg = <1>;
+                    bridge_out: endpoint {
+                        remote-endpoint = <&panel_in>;
+                    };
+                };
+            };
+        };
+    };
-- 
2.34.1