linux-kernel - [PATCH] dt-bindings: crypto: Convert amd,ccp-seattle-v1a to DT schema

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Message-ID: <20250513184051.3051660-1-robh@kernel.org>
Date: Tue, 13 May 2025 13:40:50 -0500
From: "Rob Herring (Arm)" <robh@...nel.org>
To: Herbert Xu <herbert@...dor.apana.org.au>,
	"David S. Miller" <davem@...emloft.net>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Tom Lendacky <thomas.lendacky@....com>
Cc: linux-crypto@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] dt-bindings: crypto: Convert amd,ccp-seattle-v1a to DT schema

Convert the AMD Cryptographic Coprocessor binding to DT schema format.
It's a straight forward conversion.

Signed-off-by: Rob Herring (Arm) <robh@...nel.org>
---
 .../bindings/crypto/amd,ccp-seattle-v1a.yaml  | 38 +++++++++++++++++++
 .../devicetree/bindings/crypto/amd-ccp.txt    | 17 ---------
 2 files changed, 38 insertions(+), 17 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/crypto/amd,ccp-seattle-v1a.yaml
 delete mode 100644 Documentation/devicetree/bindings/crypto/amd-ccp.txt

diff --git a/Documentation/devicetree/bindings/crypto/amd,ccp-seattle-v1a.yaml b/Documentation/devicetree/bindings/crypto/amd,ccp-seattle-v1a.yaml
new file mode 100644
index 000000000000..32bf3a1c3b42
--- /dev/null
+++ b/Documentation/devicetree/bindings/crypto/amd,ccp-seattle-v1a.yaml
@@ -0,0 +1,38 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/amd,ccp-seattle-v1a.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: AMD Cryptographic Coprocessor (ccp)
+
+maintainers:
+  - Tom Lendacky <thomas.lendacky@....com>
+
+properties:
+  compatible:
+    const: amd,ccp-seattle-v1a
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  dma-coherent: true
+
+required:
+  - compatible
+  - reg
+  - interrupts
+
+additionalProperties: false
+
+examples:
+  - |
+    crypto@...00000 {
+        compatible = "amd,ccp-seattle-v1a";
+        reg = <0xe0100000 0x10000>;
+        interrupts = <0 3 4>;
+        dma-coherent;
+    };
diff --git a/Documentation/devicetree/bindings/crypto/amd-ccp.txt b/Documentation/devicetree/bindings/crypto/amd-ccp.txt
deleted file mode 100644
index d87579d63da6..000000000000
--- a/Documentation/devicetree/bindings/crypto/amd-ccp.txt
+++ /dev/null
@@ -1,17 +0,0 @@
-* AMD Cryptographic Coprocessor driver (ccp)
-
-Required properties:
-- compatible: Should be "amd,ccp-seattle-v1a"
-- reg: Address and length of the register set for the device
-- interrupts: Should contain the CCP interrupt
-
-Optional properties:
-- dma-coherent: Present if dma operations are coherent
-
-Example:
-	ccp@...00000 {
-		compatible = "amd,ccp-seattle-v1a";
-		reg = <0 0xe0100000 0 0x10000>;
-		interrupt-parent = <&gic>;
-		interrupts = <0 3 4>;
-	};
-- 
2.47.2