linux-kernel - [PATCH v2 12/15] arm64: dts: meson: a1: add hw rng node

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Message-ID: <20230823213630.12936-13-ddrokosov@sberdevices.ru>
Date:   Thu, 24 Aug 2023 00:36:27 +0300
From:   Dmitry Rokosov <ddrokosov@...rdevices.ru>
To:     <neil.armstrong@...aro.org>, <jbrunet@...libre.com>,
        <mturquette@...libre.com>, <sboyd@...nel.org>,
        <robh+dt@...nel.org>, <krzysztof.kozlowski+dt@...aro.org>,
        <khilman@...libre.com>, <martin.blumenstingl@...glemail.com>,
        <conor+dt@...nel.org>
CC:     <kernel@...rdevices.ru>, <sdfw_system_team@...rdevices.ru>,
        <rockosov@...il.com>, <linux-amlogic@...ts.infradead.org>,
        <linux-clk@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        Alexey Romanov <avromanov@...rdevices.ru>,
        Dmitry Rokosov <ddrokosov@...rdevices.ru>
Subject: [PATCH v2 12/15] arm64: dts: meson: a1: add hw rng node

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

Add hardware number generator node. HWRNG access requires OTP power
domain being enabled.

Signed-off-by: Alexey Romanov <avromanov@...rdevices.ru>
Signed-off-by: Dmitry Rokosov <ddrokosov@...rdevices.ru>
---
 arch/arm64/boot/dts/amlogic/meson-a1.dtsi | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/arm64/boot/dts/amlogic/meson-a1.dtsi b/arch/arm64/boot/dts/amlogic/meson-a1.dtsi
index 59ca1f1360fd..edadddacfee0 100644
--- a/arch/arm64/boot/dts/amlogic/meson-a1.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-a1.dtsi
@@ -242,6 +242,12 @@ usb2_phy1: phy@...0 {
 				power-domains = <&pwrc PWRC_USB_ID>;
 			};
 
+			hwrng: rng@...8 {
+				compatible = "amlogic,meson-rng";
+				reg = <0x0 0x5118 0x0 0x4>;
+				power-domains = <&pwrc PWRC_OTP_ID>;
+			};
+
 			clkc_pll: pll-clock-controller@...0 {
 				compatible = "amlogic,a1-pll-clkc";
 				reg = <0 0x7c80 0 0x18c>;
-- 
2.36.0