1 files changed, 49 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/rng/st,stm32-rng.yaml b/Documentation/devicetree/bindings/rng/st,stm32-rng.yaml
new file mode 100644
index 000000000..fcd86f822
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+++ b/Documentation/devicetree/bindings/rng/st,stm32-rng.yaml
@@ -0,0 +1,49 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/rng/st,stm32-rng.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: STMicroelectronics STM32 RNG bindings
+
+description: |
+  The STM32 hardware random number generator is a simple fixed purpose
+  IP and is fully separated from other crypto functions.
+
+maintainers:
+  - Lionel Debieve <lionel.debieve@foss.st.com>
+
+properties:
+  compatible:
+    const: st,stm32-rng
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+  resets:
+    maxItems: 1
+
+  clock-error-detect:
+    type: boolean
+    description: If set enable the clock detection management
+
+required:
+  - compatible
+  - reg
+  - clocks
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/stm32mp1-clks.h>
+    rng@54003000 {
+      compatible = "st,stm32-rng";
+      reg = <0x54003000 0x400>;
+      clocks = <&rcc RNG1_K>;
+    };
+
+...