@@ -1,5 +1,6 @@
// SPDX-License-Identifier: GPL-2.0
#include <dt-bindings/input/input.h>
+#include <dt-bindings/thermal/thermal.h>
#include "tegra124.dtsi"
/ {
@@ -87,7 +88,7 @@ acodec: audio-codec@10 {
interrupts = <TEGRA_GPIO(H, 4) IRQ_TYPE_EDGE_FALLING>;
};
- temperature-sensor@4c {
+ tmp451: temperature-sensor@4c {
compatible = "ti,tmp451";
reg = <0x4c>;
interrupt-parent = <&gpio>;
@@ -789,6 +790,52 @@ gpio-restart {
gpios = <&gpio TEGRA_GPIO(I, 5) GPIO_ACTIVE_LOW>;
priority = <200>;
};
+
+ cpus {
+ cpu0: cpu@0 {
+ #cooling-cells = <2>;
+ };
+
+ cpu1: cpu@1 {
+ #cooling-cells = <2>;
+ };
+
+ cpu2: cpu@2 {
+ #cooling-cells = <2>;
+ };
+
+ cpu3: cpu@3 {
+ #cooling-cells = <2>;
+ };
+ };
+
+ thermal-zones {
+ cpu-skin-thermal {
+ polling-delay-passive = <1000>; /* milliseconds */
+ polling-delay = <5000>; /* milliseconds */
+
+ thermal-sensors = <&tmp451 0>;
+
+ trips {
+ cpu_passive_trip: cpu-alert0 {
+ /* throttle at 70C until temperature drops to 69.8C */
+ temperature = <70000>;
+ hysteresis = <200>;
+ type = "passive";
+ };
+ };
+
+ cooling-maps {
+ map0 {
+ trip = <&cpu_passive_trip>;
+ cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+ };
+ };
+ };
+ };
};
#include "cros-ec-keyboard.dtsi"