linux-kernel - [PATCH v4 2/6] arm64: dts: ti: k3-am62a: Define possible system states

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Message-Id: <20251030-topic-am62-dt-partialio-v6-15-v4-2-6b520dfa8591@baylibre.com>
Date: Thu, 30 Oct 2025 10:17:24 +0100
From: "Markus Schneider-Pargmann (TI.com)" <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 (TI.com)" <msp@...libre.com>
Subject: [PATCH v4 2/6] arm64: dts: ti: k3-am62a: Define possible system
 states

Add the system states that are available on TI AM62A SoCs.

Signed-off-by: Markus Schneider-Pargmann (TI.com) <msp@...libre.com>
---
 arch/arm64/boot/dts/ti/k3-am62a.dtsi | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-am62a.dtsi b/arch/arm64/boot/dts/ti/k3-am62a.dtsi
index 4d79b3e9486af18b8813a8980a57937669ff6095..31b2de035f0f748e34b8919f90251aa0551d9b32 100644
--- a/arch/arm64/boot/dts/ti/k3-am62a.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am62a.dtsi
@@ -46,6 +46,33 @@ 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 = "off-wake";
+		};
+
+		system_io_ddr: system-io-ddr {
+			compatible = "system-idle-state";
+			idle-state-name = "mem-deep";
+		};
+
+		system_deep_sleep: system-deep-sleep {
+			compatible = "system-idle-state";
+			idle-state-name = "mem";
+		};
+
+		system_mcu_only: system-mcu-only {
+			compatible = "system-idle-state";
+			idle-state-name = "mem-mcu-active";
+		};
+
+		system_standby: system-standby {
+			compatible = "system-idle-state";
+			idle-state-name = "standby";
+		};
+	};
+
 	cbass_main: bus@...00 {
 		compatible = "simple-bus";
 		#address-cells = <2>;

-- 
2.51.0