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@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 <jo...@kwiboo.se> --- 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@2a410000 { + compatible = "rockchip,rkrng"; + reg = <0x0 0x2a410000 0x0 0x200>; + }; + }; }; &cru { -- 2.49.0