dt-bindings: crypto: Convert img,hash-accelerator to DT schema

new file mode 100644
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+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/img,hash-accelerator.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Imagination Technologies hardware hash accelerator
+
+maintainers:
+  - James Hartley <[email protected]>
+
+description:
+  The hash accelerator provides hardware hashing acceleration for
+  SHA1, SHA224, SHA256 and MD5 hashes.
+
+properties:
+  compatible:
+    const: img,hash-accelerator
+
+  reg:
+    items:
+      - description: Register base address and size
+      - description: DMA port specifier
+
+  interrupts:
+    maxItems: 1
+
+  dmas:
+    maxItems: 1
+
+  dma-names:
+    items:
+      - const: tx
+
+  clocks:
+    items:
+      - description: System clock for hash block registers
+      - description: Hash clock for data path
+
+  clock-names:
+    items:
+      - const: sys
+      - const: hash
+
+additionalProperties: false
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - dmas
+  - dma-names
+  - clocks
+  - clock-names
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/mips-gic.h>
+    #include <dt-bindings/clock/pistachio-clk.h>
+
+    hash@18149600 {
+        compatible = "img,hash-accelerator";
+        reg = <0x18149600 0x100>, <0x18101100 0x4>;
+        interrupts = <GIC_SHARED 59 IRQ_TYPE_LEVEL_HIGH>;
+        dmas = <&dma 8 0xffffffff 0>;
+        dma-names = "tx";
+        clocks = <&cr_periph SYS_CLK_HASH>, <&clk_periph PERIPH_CLK_ROM>;
+        clock-names = "sys", "hash";
+    };

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-Imagination Technologies hardware hash accelerator
-
-The hash accelerator provides hardware hashing acceleration for
-SHA1, SHA224, SHA256 and MD5 hashes
-
-Required properties:
-
-- compatible : "img,hash-accelerator"
-- reg : Offset and length of the register set for the module, and the DMA port
-- interrupts : The designated IRQ line for the hashing module.
-- dmas : DMA specifier as per Documentation/devicetree/bindings/dma/dma.txt
-- dma-names : Should be "tx"
-- clocks : Clock specifiers
-- clock-names : "sys" Used to clock the hash block registers
-		"hash" Used to clock data through the accelerator
-
-Example:
-
-	hash: hash@18149600 {
-	compatible = "img,hash-accelerator";
-		reg = <0x18149600 0x100>, <0x18101100 0x4>;
-		interrupts = <GIC_SHARED 59 IRQ_TYPE_LEVEL_HIGH>;
-		dmas = <&dma 8 0xffffffff 0>;
-		dma-names = "tx";
-		clocks = <&cr_periph SYS_CLK_HASH>, <&clk_periph PERIPH_CLK_ROM>;
-		clock-names = "sys", "hash";
-	};