[PATCH V15 5/5] arm64: dts: imx: add i.MX8QXP thermal support
From: <hidden>
Date: 2019-06-18 02:17:14
Also in:
linux-devicetree, linux-doc, linux-pm, lkml
Subsystem:
arm/freescale imx / mxc arm architecture, the rest · Maintainers:
Frank Li, Sascha Hauer, Linus Torvalds
From: Anson Huang <redacted> Add i.MX8QXP CPU thermal zone support. Signed-off-by: Anson Huang <redacted> --- No change. --- arch/arm64/boot/dts/freescale/imx8qxp.dtsi | 37 ++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+)
diff --git a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi b/arch/arm64/boot/dts/freescale/imx8qxp.dtsi
index b2cb818..12044be 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>;
@@ -168,6 +169,11 @@ compatible = "fsl,imx8qxp-sc-wdt", "fsl,imx-sc-wdt"; timeout-sec = <60>; }; + + tsens: thermal-sensor { + compatible = "fsl,imx8qxp-sc-thermal", "fsl,imx-sc-thermal"; + #thermal-sensor-cells = <1>; + }; }; timer {
@@ -536,4 +542,35 @@ power-domains = <&pd IMX_SC_R_GPIO_7>; }; }; + + thermal_zones: thermal-zones { + cpu-thermal0 { + polling-delay-passive = <250>; + polling-delay = <2000>; + thermal-sensors = <&tsens IMX_SC_R_SYSTEM>; + trips { + cpu_alert0: trip0 { + temperature = <107000>; + hysteresis = <2000>; + type = "passive"; + }; + cpu_crit0: trip1 { + temperature = <127000>; + hysteresis = <2000>; + type = "critical"; + }; + }; + cooling-maps { + map0 { + trip = <&cpu_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>; + + }; + }; + }; + }; };
--
2.7.4
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