arm64: dts: imx8mn: Add CPU thermal zone support (819779a9) · Commits · 戴 / test

arch/arm64/boot/dts/freescale/imx8mn.dtsi

+44 −0

Original line number	Diff line number	Diff line
		@@ -7,6 +7,7 @@
		#include <dt-bindings/gpio/gpio.h>
		#include <dt-bindings/input/input.h>
		#include <dt-bindings/interrupt-controller/arm-gic.h>
		#include <dt-bindings/thermal/thermal.h>

		#include "imx8mn-pinfunc.h"

		@@ -67,6 +68,7 @@
		nvmem-cells = <&cpu_speed_grade>;
		nvmem-cell-names = "speed_grade";
		cpu-idle-states = <&cpu_pd_wait>;
		#cooling-cells = <2>;
		};

		A53_1: cpu@1 {
		@@ -79,6 +81,7 @@
		next-level-cache = <&A53_L2>;
		operating-points-v2 = <&a53_opp_table>;
		cpu-idle-states = <&cpu_pd_wait>;
		#cooling-cells = <2>;
		};

		A53_2: cpu@2 {
		@@ -91,6 +94,7 @@
		next-level-cache = <&A53_L2>;
		operating-points-v2 = <&a53_opp_table>;
		cpu-idle-states = <&cpu_pd_wait>;
		#cooling-cells = <2>;
		};

		A53_3: cpu@3 {
		@@ -103,6 +107,7 @@
		next-level-cache = <&A53_L2>;
		operating-points-v2 = <&a53_opp_table>;
		cpu-idle-states = <&cpu_pd_wait>;
		#cooling-cells = <2>;
		};

		A53_L2: l2-cache0 {
		@@ -186,6 +191,38 @@
		method = "smc";
		};

		thermal-zones {
		cpu-thermal {
		polling-delay-passive = <250>;
		polling-delay = <2000>;
		thermal-sensors = <&tmu>;
		trips {
		cpu_alert0: trip0 {
		temperature = <85000>;
		hysteresis = <2000>;
		type = "passive";
		};

		cpu_crit0: trip1 {
		temperature = <95000>;
		hysteresis = <2000>;
		type = "critical";
		};
		};

		cooling-maps {
		map0 {
		trip = <&cpu_alert0>;
		cooling-device =
		<&A53_0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
		<&A53_1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
		<&A53_2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
		<&A53_3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
		};
		};
		};
		};

		timer {
		compatible = "arm,armv8-timer";
		interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(6) \| IRQ_TYPE_LEVEL_LOW)>,
		@@ -274,6 +311,13 @@
		gpio-ranges = <&iomuxc 0 119 30>;
		};

		tmu: tmu@30260000 {
		compatible = "fsl,imx8mn-tmu", "fsl,imx8mm-tmu";
		reg = <0x30260000 0x10000>;
		clocks = <&clk IMX8MN_CLK_TMU_ROOT>;
		#thermal-sensor-cells = <0>;
		};

		wdog1: watchdog@30280000 {
		compatible = "fsl,imx8mn-wdt", "fsl,imx21-wdt";
		reg = <0x30280000 0x10000>;

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