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Subject: [PATCH V8 4/4] arm64: dts: imx: add i.MX8QXP thermal support
Thread-Topic: [PATCH V8 4/4] arm64: dts: imx: add i.MX8QXP thermal support
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Date:   Thu, 21 Feb 2019 06:38:57 +0000
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Add i.MX8QXP CPU thermal zone support.

Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
---
Changes since V7:
	- move the "imx,sensor-resource-id" to scu tsens node;
	- correct #thermal-sensor-cells value to be 0 as there is ONLY one thermal=
 zone now;
	- add cooling map for passive mode.
---
 arch/arm64/boot/dts/freescale/imx8qxp.dtsi | 35 ++++++++++++++++++++++++++=
++++
 1 file changed, 35 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi b/arch/arm64/boot/d=
ts/freescale/imx8qxp.dtsi
index 4c3dd95..eccdf28 100644
--- a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8qxp.dtsi
@@ -10,6 +10,7 @@
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/interrupt-controller/arm-gic.h>
 #include <dt-bindings/pinctrl/pads-imx8qxp.h>
+#include <dt-bindings/thermal/thermal.h>
=20
 / {
 	interrupt-parent =3D <&gic>;
@@ -34,6 +35,7 @@
 			reg =3D <0x0 0x0>;
 			enable-method =3D "psci";
 			next-level-cache =3D <&A35_L2>;
+			#cooling-cells =3D <2>;
 		};
=20
 		A35_1: cpu@1 {
@@ -116,6 +118,12 @@
 		rtc: rtc {
 			compatible =3D "fsl,imx8qxp-sc-rtc";
 		};
+
+		tsens: thermal-sensor {
+			compatible =3D "fsl,imx8qxp-sc-thermal", "fsl,imx-sc-thermal";
+			#thermal-sensor-cells =3D <0>;
+			imx,sensor-resource-id =3D <IMX_SC_R_SYSTEM>;
+		};
 	};
=20
 	timer {
@@ -443,4 +451,31 @@
 			power-domains =3D <&pd IMX_SC_R_GPIO_7>;
 		};
 	};
+
+	thermal_zones: thermal-zones {
+		cpu-thermal0 {
+			polling-delay-passive =3D <250>;
+			polling-delay =3D <2000>;
+			thermal-sensors =3D <&tsens 0>;
+			trips {
+				cpu_alert0: trip0 {
+					temperature =3D <107000>;
+					hysteresis =3D <2000>;
+					type =3D "passive";
+				};
+				cpu_crit0: trip1 {
+					temperature =3D <127000>;
+					hysteresis =3D <2000>;
+					type =3D "critical";
+				};
+			};
+			cooling-maps {
+				map0 {
+					trip =3D <&cpu_alert0>;
+					cooling-device =3D
+						<&A35_0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+				};
+			};
+		};
+	};
 };
--=20
2.7.4