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[v2,06/17] dt-bindings: rng: add bindings for microchip mpfs rng

Message ID 20211217093325.30612-7-conor.dooley@microchip.com
State New
Headers show
Series Update the Icicle Kit device tree | expand

Commit Message

Conor Dooley Dec. 17, 2021, 9:33 a.m. UTC 
From: Conor Dooley <conor.dooley@microchip.com>

Add device tree bindings for the hardware rng device accessed via
the system services on the Microchip PolarFire SoC.

Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
---
 .../bindings/rng/microchip,mpfs-rng.yaml      | 29 +++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/rng/microchip,mpfs-rng.yaml
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Patch

diff --git a/Documentation/devicetree/bindings/rng/microchip,mpfs-rng.yaml b/Documentation/devicetree/bindings/rng/microchip,mpfs-rng.yaml
new file mode 100644
index 000000000000..32cbc37c9292
--- /dev/null
+++ b/Documentation/devicetree/bindings/rng/microchip,mpfs-rng.yaml
@@ -0,0 +1,29 @@ 
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/rng/microchip,mpfs-rng.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: Microchip MPFS random number generator
+
+maintainers:
+  - Conor Dooley <conor.dooley@microchip.com>
+
+description: |
+  The hardware random number generator on the Polarfire SoC is
+  accessed via the mailbox interface provided by the system controller
+
+properties:
+  compatible:
+    const: microchip,mpfs-rng
+
+required:
+  - compatible
+
+additionalProperties: false
+
+examples:
+  - |
+    hwrandom: hwrandom {
+        compatible = "microchip,mpfs-rng";
+    };