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@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>
Reviewed-by: Kever Yang <kever.y...@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@2a410000 {
+ compatible = "rockchip,rkrng";
+ reg = <0x0 0x2a410000 0x0 0x200>;
+ };
+ };
};
&cru {
