spi: dt-bindings: armada-3700: convert to dtschema

Convert txt binding of marvell armada 3700 SoC spi controller to dtschema
to allow for validation.

Signed-off-by: Kousik Sanagavarapu <[email protected]>
Reviewed-by: Conor Dooley <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Mark Brown <[email protected]>

Author: five-sh

Documentation/devicetree/bindings/spi/marvell,armada-3700-spi.yaml

@@ -0,0 +1,55 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/spi/marvell,armada-3700-spi.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Marvell Armada 3700 SPI Controller
+
+description:
+  The SPI controller on Marvell Armada 3700 SoC.
+
+maintainers:
+  - Kousik Sanagavarapu <[email protected]>
+
+allOf:
+  - $ref: spi-controller.yaml#
+
+properties:
+  compatible:
+    const: marvell,armada-3700-spi
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+  num-cs:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - clocks
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+    spi0: spi@10600 {
+        compatible = "marvell,armada-3700-spi";
+        #address-cells = <1>;
+        #size-cells = <0>;
+        reg = <0x10600 0x5d>;
+        clocks = <&nb_perih_clk 7>;
+        interrupts = <GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>;
+        num-cs = <4>;
+    };
+...