[PATCH v4 6/7] dt-bindings: Add ANX6345 DP/eDP transmitter binding

[Torsten Duwe]

The anx6345 is an ultra-low power DisplayPort/eDP transmitter designed
for portable devices.

Add a binding document for it.

Signed-off-by: Icenowy Zheng <icenowy at aosc.io>
Signed-off-by: Vasily Khoruzhick <anarsoul at gmail.com>
Reviewed-by: Rob Herring <robh at kernel.org>
Signed-off-by: Torsten Duwe <duwe at suse.de>
Reviewed-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
---
 .../bindings/display/bridge/anx6345.yaml           | 92 ++++++++++++++++++++++
 1 file changed, 92 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/display/bridge/anx6345.yaml

diff --git a/Documentation/devicetree/bindings/display/bridge/anx6345.yaml b/Documentation/devicetree/bindings/display/bridge/anx6345.yaml
new file mode 100644
index 000000000000..094e8e8a5faa
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/bridge/anx6345.yaml
@@ -0,0 +1,92 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/bridge/anx6345.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Analogix ANX6345 eDP Transmitter Device Tree Bindings
+
+maintainers:
+  - Torsten Duwe <duwe at lst.de>
+
+description: |
+  The ANX6345 is an ultra-low power Full-HD eDP transmitter designed for
+  portable devices.
+
+properties:
+  compatible:
+    const: analogix,anx6345
+
+  reg:
+    maxItems: 1
+    description: base I2C address of the device
+
+  reset-gpios:
+    maxItems: 1
+    description: GPIO connected to active low reset
+
+  dvdd12-supply:
+    maxItems: 1
+    description: Regulator for 1.2V digital core power.
+
+  dvdd25-supply:
+    maxItems: 1
+    description: Regulator for 2.5V digital core power.
+
+  ports:
+    anyOf:
+      - port at 0:
+        description: Video port for LVTTL input
+      - port at 1:
+        description: Video port for eDP output (panel or connector).
+                     May be omitted if EDID works reliably.
+    required:
+      - port at 0
+
+required:
+  - compatible
+  - reg
+  - reset-gpios
+  - dvdd12-supply
+  - dvdd25-supply
+  - ports
+
+examples:
+  - |
+    i2c0 {
+      #address-cells = <1>;
+      #size-cells = <0>;
+
+      anx6345: anx6345 at 38 {
+        compatible = "analogix,anx6345";
+        reg = <0x38>;
+        reset-gpios = <&pio42 1 /* GPIO_ACTIVE_LOW */>;
+        dvdd25-supply = <&reg_dldo2>;
+        dvdd12-supply = <&reg_fldo1>;
+
+        ports {
+          #address-cells = <1>;
+          #size-cells = <0>;
+
+          anx6345_in: port at 0 {
+            #address-cells = <1>;
+            #size-cells = <0>;
+            reg = <0>;
+            anx6345_in_tcon0: endpoint at 0 {
+              reg = <0>;
+              remote-endpoint = <&tcon0_out_anx6345>;
+            };
+          };
+
+          anx6345_out: port at 1 {
+            #address-cells = <1>;
+            #size-cells = <0>;
+            reg = <1>;
+            anx6345_out_panel: endpoint at 0 {
+              reg = <0>;
+              remote-endpoint = <&panel_in_edp>;
+            };
+          };
+        };
+      };
+    };
-- 
2.16.4