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[PATCH v3 1/3] dt-bindings: Document the STM32 HW RNG bindings

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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>
---
 .../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>;
+	};
-- 
2.4.3

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[PATCH v3 0/3] hwrng: stm32 - add support for STM32 HW RNG Daniel Thompson <daniel.thompson@linaro.org> - 2015-10-14 18:00 +0200
  [PATCH v3 3/3] ARM: dts: stm32f429: Adopt STM32 RNG driver Daniel Thompson <daniel.thompson@linaro.org> - 2015-10-14 18:00 +0200
  [PATCH v3 1/3] dt-bindings: Document the STM32 HW RNG bindings Daniel Thompson <daniel.thompson@linaro.org> - 2015-10-14 18:00 +0200
  [PATCH v3 2/3] hwrng: stm32 - add support for STM32 HW RNG Daniel Thompson <daniel.thompson@linaro.org> - 2015-10-14 18:00 +0200

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