dt-bindings: i3c: Convert snps,dw-i3c-master to DT schema

Convert the Synopsys Designware I3C master to DT schema format.

Signed-off-by: Rob Herring <robh@kernel.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20220422192236.2594577-1-robh@kernel.org

Author: robherring

Documentation/devicetree/bindings/i3c/snps,dw-i3c-master.txt

@@ -0,0 +1,52 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/i3c/snps,dw-i3c-master.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Synopsys DesignWare I3C master block
+
+maintainers:
+  - Alexandre Belloni <alexandre.belloni@bootlin.com>
+
+allOf:
+  - $ref: i3c.yaml#
+
+properties:
+  compatible:
+    const: snps,dw-i3c-master-1.00a
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - interrupts
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    i3c-master@2000 {
+        compatible = "snps,dw-i3c-master-1.00a";
+        #address-cells = <3>;
+        #size-cells = <0>;
+        reg = <0x02000 0x1000>;
+        interrupts = <0>;
+        clocks = <&i3cclk>;
+
+        eeprom@57{
+            compatible = "atmel,24c01";
+            reg = <0x57 0x0 0x10>;
+            pagesize = <0x8>;
+        };
+    };
+...