openwrt/target/linux/rockchip/patches-6.12/050-12-v6.16-arm64-dts-rockchip-add-RK3576-RNG-node.patch
Tianling Shen 3a35a2cff1 rockchip: backport dts updates for rk3576
Backport core dts updates for rk3576.

Signed-off-by: Tianling Shen <cnsztl@immortalwrt.org>
Link: https://github.com/openwrt/openwrt/pull/20041
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
2025-10-02 22:42:35 +02:00

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1.1 KiB
Diff

From 5268f3b5d29887480011b44567bcbf0d422cda94 Mon Sep 17 00:00:00 2001
From: Nicolas Frattaroli <nicolas.frattaroli@collabora.com>
Date: Wed, 30 Apr 2025 18:16:36 +0200
Subject: [PATCH] arm64: dts: rockchip: add RK3576 RNG node
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>
Link: https://lore.kernel.org/r/20250430-rk3576-hwrng-v1-3-480c15b5843e@collabora.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
---
arch/arm64/boot/dts/rockchip/rk3576.dtsi | 8 ++++++++
1 file changed, 8 insertions(+)
--- a/arch/arm64/boot/dts/rockchip/rk3576.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3576.dtsi
@@ -1557,6 +1557,14 @@
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>;