[PATCH v2] dt-bindings: crypto: ccree: Convert to json-schema

* [PATCH v2] dt-bindings: crypto: ccree: Convert to json-schema
@ 2021-06-16  9:29 Geert Uytterhoeven
  2021-06-16 15:06 ` Gilad Ben-Yossef
  0 siblings, 1 reply; 2+ messages in thread
From: Geert Uytterhoeven @ 2021-06-16  9:29 UTC (permalink / raw)
  To: Rob Herring, Gilad Ben-Yossef, Herbert Xu, David S . Miller
  Cc: linux-crypto, devicetree, linux-renesas-soc, Geert Uytterhoeven

Convert the Arm TrustZone CryptoCell cryptographic engine Device Tree
binding documentation to json-schema.

Document missing properties.
Update the example to match reality.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
---
v2:
  - Use "SPDX-License-Identifier: GPL-2.0", as requested by Gilad.
---
 .../bindings/crypto/arm,cryptocell.yaml       | 53 +++++++++++++++++++
 .../bindings/crypto/arm-cryptocell.txt        | 25 ---------
 2 files changed, 53 insertions(+), 25 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/crypto/arm,cryptocell.yaml
 delete mode 100644 Documentation/devicetree/bindings/crypto/arm-cryptocell.txt

diff --git a/Documentation/devicetree/bindings/crypto/arm,cryptocell.yaml b/Documentation/devicetree/bindings/crypto/arm,cryptocell.yaml
new file mode 100644
index 0000000000000000..b8331863ee754988
--- /dev/null
+++ b/Documentation/devicetree/bindings/crypto/arm,cryptocell.yaml
@@ -0,0 +1,53 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/crypto/arm,cryptocell.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Arm TrustZone CryptoCell cryptographic engine
+
+maintainers:
+  - Gilad Ben-Yossef <gilad@benyossef.com>
+
+properties:
+  compatible:
+    enum:
+      - arm,cryptocell-713-ree
+      - arm,cryptocell-703-ree
+      - arm,cryptocell-712-ree
+      - arm,cryptocell-710-ree
+      - arm,cryptocell-630p-ree
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+  power-domains:
+    maxItems: 1
+
+  resets:
+    maxItems: 1
+
+  dma-coherent: true
+
+required:
+  - compatible
+  - reg
+  - interrupts
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+    arm_cc712: crypto@80000000 {
+            compatible = "arm,cryptocell-712-ree";
+            reg = <0x80000000 0x10000>;
+            interrupts = <GIC_SPI 30 IRQ_TYPE_LEVEL_HIGH>;
+    };
diff --git a/Documentation/devicetree/bindings/crypto/arm-cryptocell.txt b/Documentation/devicetree/bindings/crypto/arm-cryptocell.txt
deleted file mode 100644
index 6130e6eb4af89135..0000000000000000
--- a/Documentation/devicetree/bindings/crypto/arm-cryptocell.txt
+++ /dev/null
@@ -1,25 +0,0 @@
-Arm TrustZone CryptoCell cryptographic engine
-
-Required properties:
-- compatible: Should be one of -
-   "arm,cryptocell-713-ree"
-   "arm,cryptocell-703-ree"
-   "arm,cryptocell-712-ree"
-   "arm,cryptocell-710-ree"
-   "arm,cryptocell-630p-ree"
-- reg: Base physical address of the engine and length of memory mapped region.
-- interrupts: Interrupt number for the device.
-
-Optional properties:
-- clocks: Reference to the crypto engine clock.
-- dma-coherent: Present if dma operations are coherent.
-
-Examples:
-
-       arm_cc712: crypto@80000000 {
-               compatible = "arm,cryptocell-712-ree";
-               interrupt-parent = <&intc>;
-               interrupts = < 0 30 4 >;
-               reg = < 0x80000000 0x10000 >;
-
-       };
-- 
2.25.1


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