linux-kernel - [PATCH v2 1/5] arm64: dts: ti: k3-am62l: Define possible system states

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Message-ID: <20251230-b4-uart-daisy-chain-dts-v2-1-fa5257ec54bb@ti.com>
Date: Tue, 30 Dec 2025 20:38:20 -0600
From: Kendall Willis <k-willis@...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: <d-gole@...com>, <vishalm@...com>, <sebin.francis@...com>,
	<msp@...libre.com>, <khilman@...libre.com>, <a-kaur@...com>,
	<s-kochidanadu@...com>, <linux-arm-kernel@...ts.infradead.org>,
	<devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>, Kendall Willis
	<k-willis@...com>
Subject: [PATCH v2 1/5] arm64: dts: ti: k3-am62l: Define possible system
 states

Add the system states that are available on the TI AM62L SoC.

Signed-off-by: Kendall Willis <k-willis@...com>
---
 arch/arm64/boot/dts/ti/k3-am62l.dtsi | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-am62l.dtsi b/arch/arm64/boot/dts/ti/k3-am62l.dtsi
index 23acdbb301fe38e6045c0ef3ae340196009ed217..3b84ac9be6d075f5eb469c3e503b2e494c62be27 100644
--- a/arch/arm64/boot/dts/ti/k3-am62l.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am62l.dtsi
@@ -64,6 +64,18 @@ pmu: pmu {
 		interrupts = <GIC_PPI 7 IRQ_TYPE_LEVEL_HIGH>;
 	};
 
+	system-idle-states {
+		system_rtc_ddr: system-rtc-ddr {
+			compatible = "system-idle-state";
+			idle-state-name = "mem-deep";
+		};
+
+		system_deep_sleep: system-deep-sleep {
+			compatible = "system-idle-state";
+			idle-state-name = "mem";
+		};
+	};
+
 	cbass_main: bus@...00 {
 		compatible = "simple-bus";
 		ranges = <0x00 0x00600000 0x00 0x00600000 0x00 0x00010100>, /* GPIO */

-- 
2.34.1