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From: "Peng Fan (OSS)" <peng.fan@oss.nxp.com>
To: Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	 Conor Dooley <conor+dt@kernel.org>,
	Shawn Guo <shawnguo@kernel.org>,
	 Sascha Hauer <s.hauer@pengutronix.de>,
	 Pengutronix Kernel Team <kernel@pengutronix.de>,
	 Fabio Estevam <festevam@gmail.com>, Frank Li <frank.li@nxp.com>
Cc: devicetree@vger.kernel.org, imx@lists.linux.dev,
	 linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org,  Peng Fan <peng.fan@nxp.com>
Subject: [PATCH 2/4] arm64: dts: imx91: Add thermal zone node
Date: Fri, 12 Dec 2025 17:16:08 +0800	[thread overview]
Message-ID: <20251212-imx91-dts-v1-2-2bb3c13762dd@nxp.com> (raw)
In-Reply-To: <20251212-imx91-dts-v1-0-2bb3c13762dd@nxp.com>

From: Peng Fan <peng.fan@nxp.com>

Add thermal zone node

Signed-off-by: Peng Fan <peng.fan@nxp.com>
---
 arch/arm64/boot/dts/freescale/imx91.dtsi | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx91.dtsi b/arch/arm64/boot/dts/freescale/imx91.dtsi
index c08db08ca9607b9780a77e215cdb5997e4daae4e..d8b5e188949f59b7452df54407d2126a5e1a54e7 100644
--- a/arch/arm64/boot/dts/freescale/imx91.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx91.dtsi
@@ -6,6 +6,37 @@
 #include "imx91-pinfunc.h"
 #include "imx91_93_common.dtsi"
 
+/{
+	thermal_zones: thermal-zones {
+		cpu-thermal {
+			polling-delay-passive = <250>;
+			polling-delay = <2000>;
+			thermal-sensors = <&tempsense0>;
+			trips {
+				cpu_alert0: trip0 {
+					temperature = <80000>;
+					hysteresis = <2000>;
+					type = "passive";
+				};
+
+				cpu_crit0: trip1 {
+					temperature = <90000>;
+					hysteresis = <2000>;
+					type = "critical";
+				};
+			};
+
+			cooling-maps {
+				map0 {
+					trip = <&cpu_alert0>;
+					cooling-device =
+						<&A55_0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+				};
+			};
+		};
+	};
+};
+
 &aips1 {
 	tempsense0: thermal-sensor@44482000 {
 		compatible = "fsl,imx91-tmu";

-- 
2.37.1


  parent reply	other threads:[~2025-12-12  9:16 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-12-12  9:16 [PATCH 0/4] arm64: dts: imx91: misc updates Peng Fan (OSS)
2025-12-12  9:16 ` [PATCH 1/4] arm64: dts: imx91: Add tempsensor node Peng Fan (OSS)
2025-12-12 16:43   ` Frank Li
2025-12-15  0:50     ` Peng Fan
2025-12-12  9:16 ` Peng Fan (OSS) [this message]
2025-12-12  9:16 ` [PATCH 3/4] arm64: dts: imx91: Update file name with dash Peng Fan (OSS)
2025-12-14 22:02   ` Francesco Valla
2025-12-12  9:16 ` [PATCH 4/4] arm64: dts: imx91-11x11-evk: Add gpio4 alias Peng Fan (OSS)
2025-12-12 14:39 ` [PATCH 0/4] arm64: dts: imx91: misc updates Rob Herring

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