From 7363cc746a12e6c62a5c44dd4aab06860978197d Mon Sep 17 00:00:00 2001
From: Daniel Golle <daniel@makrotopia.org>
Date: Tue, 3 Mar 2026 17:47:14 +0000
Subject: [PATCH 5/8] mediatek: mt7986: add RNG node

found in the MediaTek MT7986 SoC family to the corresponding
device tree.

Depending on whether TF-A prevents direct hardware access to the HWRNG
via MMIO you have to enable either RNG_MTK (classic MMIO) or
RNG_MTK_V2 (TF-A SMC).

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
---
 arch/arm/dts/mt7986.dtsi | 8 ++++++++
 1 file changed, 8 insertions(+)

--- a/arch/arm/dts/mt7986.dtsi
+++ b/arch/arm/dts/mt7986.dtsi
@@ -186,6 +186,14 @@
 		bootph-all;
 	};
 
+	rng@1020f000 {
+		compatible = "mediatek,mt7986-rng",
+			     "mediatek,mt7623-rng";
+		reg = <0x1020f000 0x100>;
+		clocks = <&infracfg CLK_INFRA_TRNG_CK>;
+		clock-names = "rng";
+	};
+
 	uart0: serial@11002000 {
 		compatible = "mediatek,hsuart";
 		reg = <0x11002000 0x400>;