[RFC v2 1/8] dt-bindings: display: add ingenic-jz4780-lcd DT Schema

[H. Nikolaus Schaller]

From: Sam Ravnborg <sam at ravnborg.org>

Add DT bindings for the LCD controller on the jz4780 SoC
Based on .txt binding from Zubair Lutfullah Kakakhel

Signed-off-by: Sam Ravnborg <sam at ravnborg.org>
Cc: Zubair Lutfullah Kakakhel <Zubair.Kakakhel at imgtec.com>
Cc: H. Nikolaus Schaller <hns at goldelico.com>
Cc: Rob Herring <robh at kernel.org>
Cc: devicetree at vger.kernel.org
---
 .../bindings/display/ingenic-jz4780-lcd.yaml  | 78 +++++++++++++++++++
 1 file changed, 78 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/display/ingenic-jz4780-lcd.yaml

diff --git a/Documentation/devicetree/bindings/display/ingenic-jz4780-lcd.yaml b/Documentation/devicetree/bindings/display/ingenic-jz4780-lcd.yaml
new file mode 100644
index 000000000000..c71415a3a342
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/ingenic-jz4780-lcd.yaml
@@ -0,0 +1,78 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/ingenic-jz4780-lcd.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Bindings for Ingenic JZ4780 LCD Controller
+
+maintainers:
+  - Zubair Lutfullah Kakakhel <Zubair.Kakakhel at imgtec.com>
+  - H. Nikolaus Schaller <hns at goldelico.com>
+
+description: |
+  LCD Controller is the Display Controller for the Ingenic JZ4780 SoC
+
+properties:
+  compatible:
+    items:
+      - const: ingenic,jz4780-lcd
+
+  reg:
+    maxItems: 1
+    description: the address & size of the LCD controller registers
+
+  interrupts:
+    maxItems: 1
+    description: Specifies the interrupt provided by parent
+
+  clocks:
+    maxItems: 2
+    description: Clock specifiers for the JZ4780_CLK_TVE JZ4780_CLK_LCD0PIXCLK
+
+  clock-names:
+    items:
+      - const: lcd_clk
+      - const: lcd_pixclk
+
+  port:
+    type: object
+    description: |
+      A port node with endpoint definitions as defined in
+      Documentation/devicetree/bindings/media/video-interfaces.txt
+
+required:
+    - compatible
+    - reg
+    - interrupts
+    - clocks
+    - clock-names
+    - port
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/jz4780-cgu.h>
+    lcd: jz4780-lcdk at 0x13050000 {
+        compatible = "ingenic,jz4780-lcd";
+        reg = <0x13050000 0x1800>;
+
+        clocks = <&cgu JZ4780_CLK_TVE>, <&cgu JZ4780_CLK_LCD0PIXCLK>;
+        clock-names = "lcd_clk", "lcd_pixclk";
+
+        interrupt-parent = <&intc>;
+        interrupts = <31>;
+
+        jz4780_lcd_out: port {
+            #address-cells = <1>;
+            #size-cells = <0>;
+
+            jz4780_out_hdmi: endpoint at 0 {
+                reg = <0>;
+                remote-endpoint = <&hdmi_in_lcd>;
+            };
+        };
+    };
+
+...
-- 
2.23.0