arm64: dts: imx8qxp-mek: Add PMIC thermal zone support

i.MX8QXP MEK board has PMIC thermal sensor, add support for it.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm64/boot/dts/freescale/imx8qxp-mek.dts

@@ -139,6 +139,39 @@ &scu_key {
 	status = "okay";
 };
 
+&thermal_zones {
+	pmic-thermal0 {
+		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 {
+			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>;
+			};
+		};
+	};
+};
+
 &usdhc1 {
 	assigned-clocks = <&clk IMX_CONN_SDHC0_CLK>;
 	assigned-clock-rates = <200000000>;