dt-bindings: i2c: Convert mxs i2c to json-schema

Convert the MXS I2C binding to DT schema format using json-schema

Signed-off-by: Anson Huang <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Rob Herring <[email protected]>

Author: Anson-Huang

Documentation/devicetree/bindings/i2c/i2c-mxs.txt

@@ -0,0 +1,51 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/i2c/i2c-mxs.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Freescale MXS Inter IC (I2C) Controller
+
+maintainers:
+  - Shawn Guo <[email protected]>
+
+properties:
+  compatible:
+    enum:
+      - fsl,imx23-i2c
+      - fsl,imx28-i2c
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  clock-frequency:
+    enum: [ 100000, 400000 ]
+
+  dmas:
+    maxItems: 1
+
+  dma-names:
+    const: rx-tx
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - dmas
+  - dma-names
+
+additionalProperties: false
+
+examples:
+  - |
+    i2c@80058000 {
+        compatible = "fsl,imx28-i2c";
+        reg = <0x80058000 2000>;
+        interrupts = <111>;
+        clock-frequency = <100000>;
+        dmas = <&dma_apbx 6>;
+        dma-names = "rx-tx";
+    };