[PATCH 3/3] arm64: dts: rockchip: add RK3576 RNG node

Nicolas Frattaroli
2025-04-30T16:26:22Z

The RK3576 has a hardware random number generator IP built into the SoC.

Add it to the SoC's .dtsi, now that there's a binding and driver for it.

Signed-off-by: Nicolas Frattaroli <nicolas.frattaroli@collabora.com>
---
arch/arm64/boot/dts/rockchip/rk3576.dtsi | 8 ++++++++
1 file changed, 8 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3576.dtsi b/arch/arm64/boot/dts/rockchip/rk3576.dtsi
index a6bfef82d50bc9b0203a04324d61e0f232b61a65..ce8bcab215c0e6b7786ab3baae6977072497ed2f 100644
--- a/arch/arm64/boot/dts/rockchip/rk3576.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3576.dtsi
@@ -1527,6 +1527,14 @@ sfc0: spi@2a340000 {
status = "disabled";
};

+ rng: rng@2a410000 {
+ compatible = "rockchip,rk3576-rng";
+ reg = <0x0 0x2a410000 0x0 0x200>;
+ clocks = <&cru HCLK_TRNG_NS>;
+ interrupts = <GIC_SPI 181 IRQ_TYPE_LEVEL_HIGH>;
+ resets = <&cru SRST_H_TRNG_NS>;
+ };
+
otp: otp@2a580000 {
compatible = "rockchip,rk3576-otp";
reg = <0x0 0x2a580000 0x0 0x400>;

--
2.49.0