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Subject[PATCH v1 1/2] dt-binding: hwrng: add NPCM RNG documentation
Date
Added device tree binding documentation for Nuvoton BMC
NPCM Random Number Generator (RNG).

Signed-off-by: Tomer Maimon <tmaimon77@gmail.com>
---
.../bindings/rng/nuvoton,npcm-rng.txt | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
create mode 100644 Documentation/devicetree/bindings/rng/nuvoton,npcm-rng.txt

diff --git a/Documentation/devicetree/bindings/rng/nuvoton,npcm-rng.txt b/Documentation/devicetree/bindings/rng/nuvoton,npcm-rng.txt
new file mode 100644
index 000000000000..a697b4425fb3
--- /dev/null
+++ b/Documentation/devicetree/bindings/rng/nuvoton,npcm-rng.txt
@@ -0,0 +1,17 @@
+NPCM SoC Random Number Generator
+
+Required properties:
+- compatible : "nuvoton,npcm750-rng" for the NPCM7XX BMC.
+- reg : Specifies physical base address and size of the registers.
+
+Optional property:
+- quality : estimated number of bits of true entropy per 1024 bits
+ read from the rng.
+ If this property is not defined, it defaults to 1000.
+
+Example:
+
+rng: rng@f000b000 {
+ compatible = "nuvoton,npcm750-rng";
+ reg = <0xf000b000 0x8>;
+};
--
2.18.0
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