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It works well with the current exynos850 TRNG support. The TRNG controller can be part of a power domain, allow the relevant property 'power-domains'. Signed-off-by: Tudor Ambarus Reviewed-by: Krzysztof Kozlowski --- .../devicetree/bindings/rng/samsung,exynos5250-trng.yaml | 13 +++++++++= +--- 1 file changed, 10 insertions(+), 3 deletions(-) diff --git a/Documentation/devicetree/bindings/rng/samsung,exynos5250-trng.= yaml b/Documentation/devicetree/bindings/rng/samsung,exynos5250-trng.yaml index 1a71935d8a1906591439c03b7678538e656324b6..699831927932949a433fa5dca76= 7ad366fb76f2c 100644 --- a/Documentation/devicetree/bindings/rng/samsung,exynos5250-trng.yaml +++ b/Documentation/devicetree/bindings/rng/samsung,exynos5250-trng.yaml @@ -12,9 +12,13 @@ maintainers: =20 properties: compatible: - enum: - - samsung,exynos5250-trng - - samsung,exynos850-trng + oneOf: + - enum: + - samsung,exynos5250-trng + - samsung,exynos850-trng + - items: + - const: google,gs101-trng + - const: samsung,exynos850-trng =20 clocks: minItems: 1 @@ -24,6 +28,9 @@ properties: minItems: 1 maxItems: 2 =20 + power-domains: + maxItems: 1 + reg: maxItems: 1 =20 --=20 2.51.1.851.g4ebd6896fd-goog From nobody Mon Feb 9 06:05:49 2026 Received: from mail-wm1-f52.google.com (mail-wm1-f52.google.com [209.85.128.52]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E3E5E345CAE for ; 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[34.77.53.213]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-475cad4c81dsm104062465e9.0.2025.10.24.10.57.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 24 Oct 2025 10:57:55 -0700 (PDT) From: Tudor Ambarus Date: Fri, 24 Oct 2025 17:57:35 +0000 Subject: [PATCH v3 2/2] arm64: dts: exynos: gs101: add TRNG node Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20251024-gs101-trng-v3-2-5d3403738f39@linaro.org> References: <20251024-gs101-trng-v3-0-5d3403738f39@linaro.org> In-Reply-To: <20251024-gs101-trng-v3-0-5d3403738f39@linaro.org> To: =?utf-8?q?=C5=81ukasz_Stelmach?= , Olivia Mackall , Herbert Xu , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Alim Akhtar , Peter Griffin , =?utf-8?q?Andr=C3=A9_Draszik?= Cc: Krzysztof Kozlowski , semen.protsenko@linaro.org, willmcvicker@google.com, kernel-team@android.com, linux-samsung-soc@vger.kernel.org, linux-crypto@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Tudor Ambarus X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1761328674; l=1126; i=tudor.ambarus@linaro.org; s=20241212; h=from:subject:message-id; bh=raBiU2TNdnYW5GXBQGKlY34qsI95KKrr7UkG+dolrPs=; b=n8ttb4+2yhuOeX73uGYQwTvsumIUfL2WsqyJ9Prm3ZBf2zclOGKO4Uu6jkQke19TJjW5R1dqp D/80qq4n02cBz5QO5G2fQ9BjuhqxLSHVCZtf1wEDrPzpH1pJmHwJyCA X-Developer-Key: i=tudor.ambarus@linaro.org; a=ed25519; pk=uQzE0NXo3dIjeowMTOPCpIiPHEz12IA/MbyzrZVh9WI= 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 --- 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..380f7e70910ab8bcc2869078253= 2fff87ca7e30b 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@10070000 { status =3D "disabled"; }; =20 + trng: rng@10141400 { + compatible =3D "google,gs101-trng", + "samsung,exynos850-trng"; + reg =3D <0x10141400 0x100>; + clocks =3D <&cmu_misc CLK_GOUT_MISC_SSS_I_ACLK>, + <&cmu_misc CLK_GOUT_MISC_SSS_I_PCLK>; + clock-names =3D "secss", "pclk"; + }; + gic: interrupt-controller@10400000 { compatible =3D "arm,gic-v3"; #address-cells =3D <0>; --=20 2.51.1.851.g4ebd6896fd-goog