linux-kernel - [PATCH 2/7] arm64: dts: ti: k3-am62: Define possible system states

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Message-Id: <20250421-topic-am62-dt-partialio-v6-15-v1-2-6ced30aafddb@baylibre.com>
Date: Mon, 21 Apr 2025 10:14:20 +0200
From: Markus Schneider-Pargmann <msp@...libre.com>
To: Nishanth Menon <nm@...com>, Vignesh Raghavendra <vigneshr@...com>, 
 Tero Kristo <kristo@...nel.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>
Cc: linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, Vishal Mahaveer <vishalm@...com>, 
 Kevin Hilman <khilman@...libre.com>, Dhruva Gole <d-gole@...com>, 
 Sebin Francis <sebin.francis@...com>, Kendall Willis <k-willis@...com>, 
 Akashdeep Kaur <a-kaur@...com>, 
 Markus Schneider-Pargmann <msp@...libre.com>
Subject: [PATCH 2/7] arm64: dts: ti: k3-am62: Define possible system states

Add the system states that are available on am62 SoCs.

Signed-off-by: Markus Schneider-Pargmann <msp@...libre.com>
---
 arch/arm64/boot/dts/ti/k3-am62.dtsi | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-am62.dtsi b/arch/arm64/boot/dts/ti/k3-am62.dtsi
index bfb55ca113239be4367a1cf8edf219187fafa8a0..acc8cbc7e57bc5712ada8b4b225e302ffc368e26 100644
--- a/arch/arm64/boot/dts/ti/k3-am62.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am62.dtsi
@@ -46,6 +46,28 @@ pmu: pmu {
 		interrupts = <GIC_PPI 7 IRQ_TYPE_LEVEL_HIGH>;
 	};
 
+	system-idle-states {
+		system_partial_io: system-partial-io {
+			compatible = "system-idle-state";
+			idle-state-name = "Partial-IO";
+		};
+
+		system_deep_sleep: system-deep-sleep {
+			compatible = "system-idle-state";
+			idle-state-name = "DeepSleep";
+		};
+
+		system_mcu_only: system-mcu-only {
+			compatible = "system-idle-state";
+			idle-state-name = "MCU Only";
+		};
+
+		system_standby: system-standby {
+			compatible = "system-idle-state";
+			idle-state-name = "Standby";
+		};
+	};
+
 	cbass_main: bus@...00 {
 		bootph-all;
 		compatible = "simple-bus";

-- 
2.49.0