From ff90900a4b007d26d4a47abec9891bf8488a7668 Mon Sep 17 00:00:00 2001 From: Daniel Thompson Date: Mon, 12 Oct 2015 09:21:28 +0100 Subject: [PATCH] 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 Acked-by: Maxime Coquelin Acked-by: Rob Herring Signed-off-by: Herbert Xu --- .../devicetree/bindings/rng/st,stm32-rng.txt | 21 +++++++++++++++++++ 1 file changed, 21 insertions(+) create mode 100644 Documentation/devicetree/bindings/rng/st,stm32-rng.txt 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>; + };