arm64: dts: colibri-imx8x: Add PMIC thermal zone

Add PMIC thermal zones. Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
mariux64 · Sep 4, 2024 · 8b23ba4 · 8b23ba4
1 parent ce97bdc
commit 8b23ba4
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Showing 2 changed files with 43 additions and 2 deletions.
diff --git a/arch/arm64/boot/dts/freescale/imx8dx-colibri.dtsi b/arch/arm64/boot/dts/freescale/imx8dx-colibri.dtsi
@@ -9,3 +9,14 @@
 / {
 	model = "Toradex Colibri iMX8DX Module";
 };
+
+&thermal_zones {
+	pmic-thermal {
+		cooling-maps {
+			map0 {
+				cooling-device = <&A35_0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+						 <&A35_1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+			};
+		};
+	};
+};
diff --git a/arch/arm64/boot/dts/freescale/imx8x-colibri.dtsi b/arch/arm64/boot/dts/freescale/imx8x-colibri.dtsi
@@ -88,8 +88,6 @@
 	vref-supply = <&reg_module_vref_1v8>;
 };
 
-/* TODO Cooling maps for DX */
-
 &cpu_alert0 {
 	hysteresis = <2000>;
 	temperature = <90000>;
@@ -420,6 +418,38 @@
 	status = "okay";
 };
 
+&thermal_zones {
+	pmic-thermal {
+		polling-delay-passive = <250>;
+		polling-delay = <2000>;
+		thermal-sensors = <&tsens IMX_SC_R_PMIC_0>;
+
+		trips {
+			pmic_alert0: trip0 {
+				temperature = <110000>;
+				hysteresis = <2000>;
+				type = "passive";
+			};
+
+			pmic_crit0: trip1 {
+				temperature = <125000>;
+				hysteresis = <2000>;
+				type = "critical";
+			};
+		};
+
+		cooling-maps {
+			pmic_cooling_map0: map0 {
+				trip = <&pmic_alert0>;
+				cooling-device = <&A35_0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+						 <&A35_1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+						 <&A35_2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+						 <&A35_3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+			};
+		};
+	};
+};
+
 &usbotg1 {
 	adp-disable;
 	disable-over-current;