linux-kernel - [PATCH v4 3/3] arch/arm64: dts: meson-s4: add hwrng node

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Message-ID: <20230926084932.65126-4-avromanov@salutedevices.com>
Date:   Tue, 26 Sep 2023 11:49:26 +0300
From:   Alexey Romanov <avromanov@...utedevices.com>
To:     <narmstrong@...libre.com>, <neil.armstrong@...aro.org>,
        <olivia@...enic.com>, <herbert@...dor.apana.org.au>,
        <robh+dt@...nel.org>, <krzysztof.kozlowski+dt@...aro.org>,
        <conor+dt@...nel.org>, <conor@...nel.org>, <khilman@...libre.com>,
        <jbrunet@...libre.com>, <martin.blumenstingl@...glemail.com>,
        <f.fainelli@...il.com>, <hkallweit1@...il.com>, <lists@...ser.cx>
CC:     <linux-arm-kernel@...ts.infradead.org>,
        <linux-amlogic@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-crypto@...r.kernel.org>, <kernel@...rdevices.ru>,
        Alexey Romanov <avromanov@...rdevices.ru>
Subject: [PATCH v4 3/3] arch/arm64: dts: meson-s4: add hwrng node

From: Alexey Romanov <avromanov@...rdevices.ru>

Using this node, we can obtain random numbers via
hardware random number generator.

Signed-off-by: Alexey Romanov <avromanov@...rdevices.ru>
Reviewed-by: Neil Armstrong <neil.armstrong@...aro.org>
---
 arch/arm64/boot/dts/amlogic/meson-s4.dtsi | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/arm64/boot/dts/amlogic/meson-s4.dtsi b/arch/arm64/boot/dts/amlogic/meson-s4.dtsi
index f24460186d3d..b3a1ecf36467 100644
--- a/arch/arm64/boot/dts/amlogic/meson-s4.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-s4.dtsi
@@ -133,6 +133,11 @@ reset: reset-controller@...0 {
 				reg = <0x0 0x2000 0x0 0x98>;
 				#reset-cells = <1>;
 			};
+
+			hwrng: rng@...788 {
+				compatible = "amlogic,meson-s4-rng";
+				reg = <0x0 0x440788 0x0 0x0c>;
+			};
 		};
 	};
 };
-- 
2.25.1