linux-kernel - [PATCH 3/3] arm64: dts: amlogic: a4: add power domain controller node

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Message-Id: <20240528-a4_secpowerdomain-v1-3-2a9d7df9b128@amlogic.com>
Date: Tue, 28 May 2024 16:39:30 +0800
From: Xianwei Zhao via B4 Relay <devnull+xianwei.zhao.amlogic.com@...nel.org>
To: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, 
 Neil Armstrong <neil.armstrong@...aro.org>, 
 Kevin Hilman <khilman@...libre.com>, Jerome Brunet <jbrunet@...libre.com>, 
 Martin Blumenstingl <martin.blumenstingl@...glemail.com>, 
 Jianxin Pan <jianxin.pan@...ogic.com>, Ulf Hansson <ulf.hansson@...aro.org>
Cc: devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
 linux-amlogic@...ts.infradead.org, linux-kernel@...r.kernel.org, 
 linux-pm@...r.kernel.org, Xianwei Zhao <xianwei.zhao@...ogic.com>
Subject: [PATCH 3/3] arm64: dts: amlogic: a4: add power domain controller
 node

From: Xianwei Zhao <xianwei.zhao@...ogic.com>

Add power domain controller node for Amlogic A4 SoC

Signed-off-by: Xianwei Zhao <xianwei.zhao@...ogic.com>
---
 arch/arm64/boot/dts/amlogic/amlogic-a4-common.dtsi | 4 ++++
 arch/arm64/boot/dts/amlogic/amlogic-a4.dtsi        | 5 +++++
 2 files changed, 9 insertions(+)

diff --git a/arch/arm64/boot/dts/amlogic/amlogic-a4-common.dtsi b/arch/arm64/boot/dts/amlogic/amlogic-a4-common.dtsi
index b6106ad4a072..eebde77ae5b4 100644
--- a/arch/arm64/boot/dts/amlogic/amlogic-a4-common.dtsi
+++ b/arch/arm64/boot/dts/amlogic/amlogic-a4-common.dtsi
@@ -27,6 +27,10 @@ xtal: xtal-clk {
 		#clock-cells = <0>;
 	};
 
+	sm: secure-monitor {
+		compatible = "amlogic,meson-gxbb-sm";
+	};
+
 	soc {
 		compatible = "simple-bus";
 		#address-cells = <2>;
diff --git a/arch/arm64/boot/dts/amlogic/amlogic-a4.dtsi b/arch/arm64/boot/dts/amlogic/amlogic-a4.dtsi
index 73ca1d7eed81..917c05219b9c 100644
--- a/arch/arm64/boot/dts/amlogic/amlogic-a4.dtsi
+++ b/arch/arm64/boot/dts/amlogic/amlogic-a4.dtsi
@@ -37,4 +37,9 @@ cpu3: cpu@3 {
 			enable-method = "psci";
 		};
 	};
+
+	pwrc: power-controller {
+		compatible = "amlogic,a4-pwrc";
+		#power-domain-cells = <1>;
+	};
 };

-- 
2.37.1