dt-bindings: crypto: Add binding for TI DTHE V2

Add DT binding for Texas Instruments DTHE V2 cryptography engine.

DTHE V2 is introduced as a part of TI AM62L SoC and can currently be
only found in it.

Signed-off-by: T Pratham <[e-mail]>
Reviewed-by: Krzysztof Kozlowski <[e-mail]>
Signed-off-by: Herbert Xu <[e-mail]>

Documentation/devicetree/bindings/crypto/ti,am62l-dthev2.yaml

···
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/crypto/ti,am62l-dthev2.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: K3 SoC DTHE V2 crypto module
+
+maintainers:
+  - T Pratham <[e-mail]>
+
+properties:
+  compatible:
+    enum:
+      - ti,am62l-dthev2
+
+  reg:
+    maxItems: 1
+
+  dmas:
+    items:
+      - description: AES Engine RX DMA Channel
+      - description: AES Engine TX DMA Channel
+      - description: SHA Engine TX DMA Channel
+
+  dma-names:
+    items:
+      - const: rx
+      - const: tx1
+      - const: tx2
+
+required:
+  - compatible
+  - reg
+  - dmas
+  - dma-names
+
+additionalProperties: false
+
+examples:
+  - |
+    crypto@40800000 {
+        compatible = "ti,am62l-dthev2";
+        reg = <0x40800000 0x10000>;
+
+        dmas = <&main_bcdma 0 0 0x4700 0>,
+               <&main_bcdma 0 0 0xc701 0>,
+               <&main_bcdma 0 0 0xc700 0>;
+        dma-names = "rx", "tx1", "tx2";
+    };

MAINTAINERS

···
 F:	drivers/clk/ti/
 F:	include/linux/clk/ti.h
 
+TI DATA TRANSFORM AND HASHING ENGINE (DTHE) V2 CRYPTO DRIVER
+M:	T Pratham <[e-mail]>
+L:	[e-mail]
+S:	Supported
+F:	Documentation/devicetree/bindings/crypto/ti,am62l-dthev2.yaml
+
 TI DAVINCI MACHINE SUPPORT
 M:	Bartosz Golaszewski <[e-mail]>
 L:	[e-mail] (moderated for non-subscribers)