dt-bindings: crypto: add documentation for Aspeed ACRY

Add device tree binding documentation for the Aspeed
ECDSA/RSA ACRY Engines Controller.
Signed-off-by: Neal Liu <neal_liu@aspeedtech.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

Documentation/devicetree/bindings/crypto/aspeed,ast2600-acry.yaml

+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/crypto/aspeed,ast2600-acry.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: ASPEED ACRY ECDSA/RSA Hardware Accelerator Engines
+
+maintainers:
+  - Neal Liu <neal_liu@aspeedtech.com>
+
+description:
+  The ACRY ECDSA/RSA engines is designed to accelerate the throughput
+  of ECDSA/RSA signature and verification. Basically, ACRY can be
+  divided into two independent engines - ECC Engine and RSA Engine.
+
+properties:
+  compatible:
+    enum:
+      - aspeed,ast2600-acry
+
+  reg:
+    items:
+      - description: acry base address & size
+      - description: acry sram base address & size
+
+  clocks:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - interrupts
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/ast2600-clock.h>
+    acry: crypto@1e6fa000 {
+        compatible = "aspeed,ast2600-acry";
+        reg = <0x1e6fa000 0x400>, <0x1e710000 0x1800>;
+        interrupts = <160>;
+        clocks = <&syscon ASPEED_CLK_GATE_RSACLK>;
+    };

MAINTAINERS

@@ -3310,7 +3310,7 @@ ASPEED CRYPTO DRIVER
 M:	Neal Liu <neal_liu@aspeedtech.com>
 L:	linux-aspeed@lists.ozlabs.org (moderated for non-subscribers)
 S:	Maintained
-F:	Documentation/devicetree/bindings/crypto/aspeed,ast2500-hace.yaml
+F:	Documentation/devicetree/bindings/crypto/aspeed,*
 F:	drivers/crypto/aspeed/
 
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