Re: [PATCH v1 1/2] dt-binding: hwrng: add NPCM RNG documentation

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On Mon, Jul 22, 2019 at 06:02:40PM +0300, Tomer Maimon wrote:
> Added device tree binding documentation for Nuvoton BMC
> NPCM Random Number Generator (RNG).
> 
> Signed-off-by: Tomer Maimon <tmaimon77@xxxxxxxxx>
> ---
>  .../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.

This would need a vendor prefix, however, I think it should be implied 
by the compatible string. It is fixed per SoC, right?



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