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 <t-pratham@ti.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

diff --git a/Documentation/devicetree/bindings/crypto/ti,am62l-dthev2.yaml b/Documentation/devicetree/bindings/crypto/ti,am62l-dthev2.yaml
new file mode 100644 (file)
index 0000000..5486bfe
--- /dev/null
+++ b/Documentation/devicetree/bindings/crypto/ti,am62l-dthev2.yaml
@@ -0,0 +1,50 @@
+# 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 <t-pratham@ti.com>
+
+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";
+    };

diff --git a/MAINTAINERS b/MAINTAINERS
index fe168477caa45799dfe07de2f54de6d6a1ce0615..0f5bb8ad7653f8e0327632dcf5b3416e286b3712 100644 (file)
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -25169,6 +25169,12 @@ S:     Odd Fixes
 F:     drivers/clk/ti/
 F:     include/linux/clk/ti.h
 
+TI DATA TRANSFORM AND HASHING ENGINE (DTHE) V2 CRYPTO DRIVER
+M:     T Pratham <t-pratham@ti.com>
+L:     linux-crypto@vger.kernel.org
+S:     Supported
+F:     Documentation/devicetree/bindings/crypto/ti,am62l-dthev2.yaml
+
 TI DAVINCI MACHINE SUPPORT
 M:     Bartosz Golaszewski <brgl@bgdev.pl>
 L:     linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)