linux-kernel - [PATCH v4 4/4] arm64: dts: st: add RNG node on stm32mp251

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Message-ID: <20241016-rng-mp25-v2-v4-4-5dca590cb092@foss.st.com>
Date: Wed, 16 Oct 2024 10:04:21 +0200
From: Gatien Chevallier <gatien.chevallier@...s.st.com>
To: 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>,
        Maxime
 Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue
	<alexandre.torgue@...s.st.com>,
        Lionel Debieve <lionel.debieve@...s.st.com>, <marex@...x.de>
CC: <linux-crypto@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org>,
        Gatien Chevallier <gatien.chevallier@...s.st.com>
Subject: [PATCH v4 4/4] arm64: dts: st: add RNG node on stm32mp251

Update the device-tree stm32mp251.dtsi by adding the Random Number
Generator(RNG) node.

Signed-off-by: Gatien Chevallier <gatien.chevallier@...s.st.com>
Reviewed-by: Marek Vasut <marex@...x.de>
---
Changes in V3
	-Applied Marek tag

Changes in V2
	-Renamed RNG clocks to "core" and "bus"
---
 arch/arm64/boot/dts/st/stm32mp251.dtsi | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/arch/arm64/boot/dts/st/stm32mp251.dtsi b/arch/arm64/boot/dts/st/stm32mp251.dtsi
index 1167cf63d7e87aaa15c5c1ed70a9f6511fd818d4..273da5f62294422b587b13404b499b5ffe6c148e 100644
--- a/arch/arm64/boot/dts/st/stm32mp251.dtsi
+++ b/arch/arm64/boot/dts/st/stm32mp251.dtsi
@@ -493,6 +493,16 @@ uart8: serial@...80000 {
 				status = "disabled";
 			};
 
+			rng: rng@...20000 {
+				compatible = "st,stm32mp25-rng";
+				reg = <0x42020000 0x400>;
+				clocks = <&clk_rcbsec>, <&rcc CK_BUS_RNG>;
+				clock-names = "core", "bus";
+				resets = <&rcc RNG_R>;
+				access-controllers = <&rifsc 92>;
+				status = "disabled";
+			};
+
 			spi8: spi@...20000 {
 				#address-cells = <1>;
 				#size-cells = <0>;

-- 
2.25.1