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Diffstat (limited to 'Documentation/devicetree/bindings/rng/st,stm32-rng.txt')
-rw-r--r-- | Documentation/devicetree/bindings/rng/st,stm32-rng.txt | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/rng/st,stm32-rng.txt b/Documentation/devicetree/bindings/rng/st,stm32-rng.txt new file mode 100644 index 000000000..1dfa7d51e --- /dev/null +++ b/Documentation/devicetree/bindings/rng/st,stm32-rng.txt @@ -0,0 +1,25 @@ +STMicroelectronics STM32 HW RNG +=============================== + +The STM32 hardware random number generator is a simple fixed purpose IP and +is fully separated from other crypto functions. + +Required properties: + +- compatible : Should be "st,stm32-rng" +- reg : Should be register base and length as documented in the datasheet +- interrupts : The designated IRQ line for the RNG +- clocks : The clock needed to enable the RNG + +Optional properties: +- resets : The reset to properly start RNG +- clock-error-detect : Enable the clock detection management + +Example: + + rng: rng@50060800 { + compatible = "st,stm32-rng"; + reg = <0x50060800 0x400>; + interrupts = <80>; + clocks = <&rcc 0 38>; + }; |