From: Joy Zou <joy.zou@nxp.com>
Date: Tue, 24 Mar 2026 05:44:10 +0000 (+0800)
Subject: arm64: dts: imx943: Add thermal support
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5b1f0603b56371899d8a6cb77a89fd44c2962b92;p=thirdparty%2Fkernel%2Fstable.git

arm64: dts: imx943: Add thermal support

Add A55 and ANA thermal including cooling-maps.

Signed-off-by: Joy Zou <joy.zou@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
---

diff --git a/arch/arm64/boot/dts/freescale/imx94.dtsi b/arch/arm64/boot/dts/freescale/imx94.dtsi
index 3a05941da1de..c460ece6070f 100644
--- a/arch/arm64/boot/dts/freescale/imx94.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx94.dtsi
@@ -7,6 +7,7 @@
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/input/input.h>
 #include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/thermal/thermal.h>
 
 #include "imx94-clock.h"
 #include "imx94-pinfunc.h"
diff --git a/arch/arm64/boot/dts/freescale/imx943.dtsi b/arch/arm64/boot/dts/freescale/imx943.dtsi
index 45b8da758e87..dfd956ece2e3 100644
--- a/arch/arm64/boot/dts/freescale/imx943.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx943.dtsi
@@ -145,4 +145,68 @@
 			cache-unified;
 		};
 	};
+
+	thermal_zones: thermal-zones {
+		a55-thermal {
+			polling-delay-passive = <250>;
+			polling-delay = <2000>;
+			thermal-sensors = <&scmi_sensor 1>;
+
+			trips {
+				cpu_alert0: trip0 {
+					temperature = <105000>;
+					hysteresis = <2000>;
+					type = "passive";
+				};
+
+				cpu_crit0: trip1 {
+					temperature = <125000>;
+					hysteresis = <2000>;
+					type = "critical";
+				};
+			};
+
+			cooling-maps {
+				map0 {
+					trip = <&cpu_alert0>;
+					cooling-device =
+						<&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+						<&cpu1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+						<&cpu2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+						<&cpu3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+				};
+			};
+		};
+
+		ana-thermal {
+			polling-delay-passive = <250>;
+			polling-delay = <2000>;
+			thermal-sensors = <&scmi_sensor 0>;
+
+			trips {
+				ana_alert: trip0 {
+					temperature = <105000>;
+					hysteresis = <2000>;
+					type = "passive";
+				};
+
+				ana_crit0: trip1 {
+					temperature = <125000>;
+					hysteresis = <2000>;
+					type = "critical";
+				};
+			};
+
+			cooling-maps {
+				map0 {
+					trip = <&ana_alert>;
+					cooling-device =
+						<&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+						<&cpu1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+						<&cpu2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+						<&cpu3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+				};
+			};
+		};
+	};
 };