[PATCH 1/4] rockchip: rk3576: Add rng node to u-boot.dtsi

[Kever Yang]

On 2025/4/23 05:12, Jonas Karlman wrote:
> The RK3576 SoC contains a RKRNG block that can be used to generate
> random numbers using the rockchip_rng driver.
>
>    => rng list
>    RNG #0 - rng at 2a410000
>
>    => rng
>    00000000: 36 dd ab 98 ec fb fe d1 cf 36 b3 e1 9b 3d 00 90  6........6...=..
>    00000010: f5 84 de 75 6b 27 48 9e 13 62 12 6c 50 ca 47 1a  ...uk'H..b.lP.G.
>    00000020: b3 4d fc 43 c5 b5 2d be 07 27 03 26 bb 69 61 2a  .M.C..-..'.&.ia*
>    00000030: 6f 70 01 83 4e ce 91 7a 5a 6c 7c 00 43 87 3e c5  op..N..zZl|.C.>.
>
> Add a rng node to the SoC specific u-boot.dtsi until full support has
> landed in a device tree from dts/upstream.
>
> Signed-off-by: Jonas Karlman <jonas at kwiboo.se>
Reviewed-by: Kever Yang <kever.yang at rock-chips.com>

Thanks,
- Kever
> ---
>   arch/arm/dts/rk3576-u-boot.dtsi | 7 +++++++
>   1 file changed, 7 insertions(+)
>
> diff --git a/arch/arm/dts/rk3576-u-boot.dtsi b/arch/arm/dts/rk3576-u-boot.dtsi
> index be99a48a630f..928960862597 100644
> --- a/arch/arm/dts/rk3576-u-boot.dtsi
> +++ b/arch/arm/dts/rk3576-u-boot.dtsi
> @@ -14,6 +14,13 @@
>   		compatible = "rockchip,rk3576-dmc";
>   		bootph-all;
>   	};
> +
> +	soc {
> +		rng: rng at 2a410000 {
> +			compatible = "rockchip,rkrng";
> +			reg = <0x0 0x2a410000 0x0 0x200>;
> +		};
> +	};
>   };
>   
>   &cru {