linux-kernel - [PATCH 2/2] arm64: dts: exynos: gs101: add TRNG node

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Message-Id: <20251022-gs101-trng-v1-2-8817e2d7a6fc@linaro.org>
Date: Wed, 22 Oct 2025 11:19:36 +0000
From: Tudor Ambarus <tudor.ambarus@...aro.org>
To: Łukasz Stelmach <l.stelmach@...sung.com>, 
 Olivia Mackall <olivia@...enic.com>, 
 Herbert Xu <herbert@...dor.apana.org.au>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Alim Akhtar <alim.akhtar@...sung.com>, 
 Peter Griffin <peter.griffin@...aro.org>, 
 André Draszik <andre.draszik@...aro.org>
Cc: Krzysztof Kozlowski <krzk@...nel.org>, semen.protsenko@...aro.org, 
 willmcvicker@...gle.com, kernel-team@...roid.com, 
 linux-samsung-soc@...r.kernel.org, linux-crypto@...r.kernel.org, 
 devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
 linux-kernel@...r.kernel.org, Tudor Ambarus <tudor.ambarus@...aro.org>
Subject: [PATCH 2/2] arm64: dts: exynos: gs101: add TRNG node

Define the TRNG node. GS101 TRNG works well with the current
Exynos850 TRNG support. Specify the Google specific compatible
in front of the Exynos one.

Signed-off-by: Tudor Ambarus <tudor.ambarus@...aro.org>
---
 arch/arm64/boot/dts/exynos/google/gs101.dtsi | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/arch/arm64/boot/dts/exynos/google/gs101.dtsi b/arch/arm64/boot/dts/exynos/google/gs101.dtsi
index d06d1d05f36408137a8acd98e43d48ea7d4f4292..380f7e70910ab8bcc28690782532fff87ca7e30b 100644
--- a/arch/arm64/boot/dts/exynos/google/gs101.dtsi
+++ b/arch/arm64/boot/dts/exynos/google/gs101.dtsi
@@ -630,6 +630,15 @@ watchdog_cl1: watchdog@...70000 {
 			status = "disabled";
 		};
 
+		trng: rng@...41400 {
+			compatible = "google,gs101-trng",
+				     "samsung,exynos850-trng";
+			reg = <0x10141400 0x100>;
+			clocks = <&cmu_misc CLK_GOUT_MISC_SSS_I_ACLK>,
+				 <&cmu_misc CLK_GOUT_MISC_SSS_I_PCLK>;
+			clock-names = "secss", "pclk";
+		};
+
 		gic: interrupt-controller@...00000 {
 			compatible = "arm,gic-v3";
 			#address-cells = <0>;

-- 
2.51.0.915.g61a8936c21-goog