Patchwork [V6,4/4] arm64: dts: imx: add i.MX8QXP thermal support

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Submitter Anson Huang
Date Feb. 7, 2019, 9:53 a.m.
Message ID <1549532838-27025-4-git-send-email-Anson.Huang@nxp.com>
Download mbox | patch
Permalink /patch/720161/
State New
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Comments

Anson Huang - Feb. 7, 2019, 9:53 a.m.
Add i.MX8QXP CPU thermal zone support.

Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
---
ChangeLog since V5:
	- add a property in each thermal zone to pass resource ID for thermal driver.
---
 arch/arm64/boot/dts/freescale/imx8qxp.dtsi | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

Patch

diff --git a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi b/arch/arm64/boot/dts/freescale/imx8qxp.dtsi
index 4c3dd95..88eb04b 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>
 
 / {
 	interrupt-parent = <&gic>;
@@ -116,6 +117,12 @@ 
 		rtc: rtc {
 			compatible = "fsl,imx8qxp-sc-rtc";
 		};
+
+		tsens: thermal-sensor {
+			compatible = "fsl,imx8qxp-sc-thermal";
+			tsens-num = <1>;
+			#thermal-sensor-cells = <1>;
+		};
 	};
 
 	timer {
@@ -443,4 +450,25 @@ 
 			power-domains = <&pd IMX_SC_R_GPIO_7>;
 		};
 	};
+
+	thermal_zones: thermal-zones {
+		cpu-thermal0 {
+			polling-delay-passive = <250>;
+			polling-delay = <2000>;
+			thermal-sensors = <&tsens 0>;
+			imx,sensor-resource-id = <355>;
+			trips {
+				cpu_alert0: trip0 {
+					temperature = <107000>;
+					hysteresis = <2000>;
+					type = "passive";
+				};
+				cpu_crit0: trip1 {
+					temperature = <127000>;
+					hysteresis = <2000>;
+					type = "critical";
+				};
+			};
+		};
+	};
 };