linux-kernel - [PATCH v2 1/2] dt-bindings: crypto: Add binding for TI DTHE V2

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Message-ID: <20250411091321.2925308-2-t-pratham@ti.com>
Date: Fri, 11 Apr 2025 14:43:21 +0530
From: T Pratham <t-pratham@...com>
To: T Pratham <t-pratham@...com>, Herbert Xu <herbert@...dor.apana.org.au>,
        "David S. Miller" <davem@...emloft.net>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>
CC: Kamlesh Gurudasani <kamlesh@...com>, Praneeth Bajjuri <praneeth@...com>,
        Vignesh Raghavendra <vigneshr@...com>,
        Manorit Chawdhry <m-chawdhry@...com>, <linux-crypto@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH v2 1/2] dt-bindings: crypto: Add binding for TI DTHE V2

Add DT binding for Texas Instruments DTHE V2 crypto accelerator.

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@...com>
---
 .../devicetree/bindings/crypto/ti,dthev2.yaml | 50 +++++++++++++++++++
 MAINTAINERS                                   |  6 +++
 2 files changed, 56 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/crypto/ti,dthev2.yaml

diff --git a/Documentation/devicetree/bindings/crypto/ti,dthev2.yaml b/Documentation/devicetree/bindings/crypto/ti,dthev2.yaml
new file mode 100644
index 000000000000..7d55f1bff822
--- /dev/null
+++ b/Documentation/devicetree/bindings/crypto/ti,dthev2.yaml
@@ -0,0 +1,50 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/crypto/ti,dthev2.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: K3 SoC DTHE V2 crypto module
+
+maintainers:
+  - T Pratham <t-pratham@...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@...00000 {
+      compatible = "ti,am62l-dthev2";
+      reg = <0x00 0x40800000 0x00 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 bfcdf2bced61..90b640385b88 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -24174,6 +24174,12 @@ S:	Odd Fixes
 F:	drivers/clk/ti/
 F:	include/linux/clk/ti.h
 
+TI DATA TRANSFORM AND HASHING ENGINE (DTHE) V2 CRYPTO ACCELERATOR DRIVER
+M:	T Pratham <t-pratham@...com>
+L:	linux-crypto@...r.kernel.org
+S:	Supported
+F:	Documentation/devicetree/bindings/crypto/ti,dthev2.yaml
+
 TI DAVINCI MACHINE SUPPORT
 M:	Bartosz Golaszewski <brgl@...ev.pl>
 L:	linux-arm-kernel@...ts.infradead.org (moderated for non-subscribers)
-- 
2.34.1