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| author | Daniel Thompson <daniel.thompson@linaro.org> | 2015-10-12 09:21:28 +0100 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2015-10-14 22:23:26 +0800 |
| commit | ff90900a4b007d26d4a47abec9891bf8488a7668 (patch) | |
| tree | 2250baee2c898c84a9e8d87c81e067a20ea1234f | |
| parent | a6479ea487ca8ce11289e88a55a7e348f1ee39ac (diff) | |
dt-bindings: Document the STM32 HW RNG bindings
This adds documentation of device tree bindings for the STM32 hardware
random number generator.
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
Acked-by: Maxime Coquelin <mcoquelin.stm32@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| -rw-r--r-- | Documentation/devicetree/bindings/rng/st,stm32-rng.txt | 21 |
1 files changed, 21 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 000000000000..47f04176f93b --- /dev/null +++ b/Documentation/devicetree/bindings/rng/st,stm32-rng.txt @@ -0,0 +1,21 @@ +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 + +Example: + + rng: rng@50060800 { + compatible = "st,stm32-rng"; + reg = <0x50060800 0x400>; + interrupts = <80>; + clocks = <&rcc 0 38>; + }; |