[PATCH 1/2] dt-bindings: display: imx: Add fsl,imx21-lcdc docs

[Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx>]

From: Marian Cichy <m.cichy@xxxxxxxxxxxxxx>

This files documents the device tree for the new imx21-lcdc DRM driver.

Signed-off-by: Marian Cichy <m.cichy@xxxxxxxxxxxxxx>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx>
---
 .../bindings/display/imx/fsl,imx21-lcdc.yaml  | 79 +++++++++++++++++++
 1 file changed, 79 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/display/imx/fsl,imx21-lcdc.yaml

diff --git a/Documentation/devicetree/bindings/display/imx/fsl,imx21-lcdc.yaml b/Documentation/devicetree/bindings/display/imx/fsl,imx21-lcdc.yaml
new file mode 100644
index 000000000000..edf71cfac81c
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/imx/fsl,imx21-lcdc.yaml
@@ -0,0 +1,79 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/imx/fsl,imx21-lcdc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: i.MX21 LCD Controller
+
+maintainers:
+  - Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>
+
+properties:
+  compatible:
+    oneOf:
+      - const: fsl,imx21-lcdc
+      - items:
+          - enum:
+              - fsl,imx25-lcdc
+              - fsl,imx27-lcdc
+          - const: fsl,imx21-lcdc
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    maxItems: 3
+
+  clock-names:
+    items:
+      - const: ipg
+      - const: per
+      - const: ahb
+
+  resets:
+    maxItems: 1
+
+  port:
+    type: object
+    description:
+      "Video port for DPI RGB output."
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - clocks
+  - clock-names
+  - port
+
+additionalProperties: false
+
+examples:
+  - |
+    lcdc: lcdc@53fbc000 {
+        compatible = "fsl,imx25-lcdc", "fsl,imx21-lcdc";
+        reg = <0x53fbc000 0x4000>;
+        interrupts = <39>;
+        clocks = <&clks 103>, <&clks 66>, <&clks 49>;
+        clock-names = "ipg", "ahb", "per";
+
+        port {
+             parallel_out: endpoint {
+                 remote-endpoint = <&panel_in>;
+             };
+        };
+
+    };
+
+    panel: panel {
+        compatible = "edt,etm0700g0dh6";
+        power-supply = <&lcd_supply>;
+        backlight = <&bl>;
+
+        port {
+                panel_in: endpoint {
+                        remote-endpoint = <&parallel_out>;
+                };
+        };
+    };
-- 
2.34.1