On Thu, Mar 01, 2018 at 07:54:59AM -0500, Vitaly Andrianov wrote:
> The Keystone SA module has a hardware random generator module.
> This commit adds binding doc for the KS2 SA HWRNG driver.
Preferred subject prefix is "dt-bindings: rng: ..."
>
> Signed-off-by: Vitaly Andrianov <vitalya@xxxxxx>
> Signed-off-by: Murali Karicheri <m-karicheri2@xxxxxx>
> ---
> Documentation/devicetree/bindings/rng/ks-sa-rng.txt | 21 +++++++++++++++++++++
> 1 file changed, 21 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/rng/ks-sa-rng.txt
>
> diff --git a/Documentation/devicetree/bindings/rng/ks-sa-rng.txt b/Documentation/devicetree/bindings/rng/ks-sa-rng.txt
> new file mode 100644
> index 0000000..cc8ee44
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/rng/ks-sa-rng.txt
> @@ -0,0 +1,21 @@
> +Keystone SoC Hardware Random Number Generator(HWRNG) Module
> +
> +On Keystone SoCs HWRNG module is a submodule of the Security Accelerator.
> +
> +- compatible: should be "ti,keystone-rng"
> +- ti,syscon-sa-cfg: phandle to syscon node of the SA configuration registers.
> + This registers are shared between hwrng and crypto drivers.
> +- clocks: phandle to the reference clocks for the subsystem
> +- clock-names: functional clock name. Should be set to "fck"
> +- reg: HWRNG module register space
> +
> +Example:
> +/* K2HK */
> +
> +hwrng@0x24000 {
rng@24000
With those,
Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
> + compatible = "ti,keystone-rng";
> + ti,syscon-sa-cfg = <&sa_config>;
> + clocks = <&clksa>;
> + clock-names = "fck";
> + reg = <0x24000 0x1000>;
> +};
> --
> 2.7.4
>
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