[PATCH v6 6/6] arm64: dts: mediatek: mt8188: add default thermal zones

Julien Panis jpanis at baylibre.com
Tue May 28 22:58:01 PDT 2024


From: Nicolas Pitre <npitre at baylibre.com>

Inspired by the vendor kernel but adapted to the upstream thermal
driver version.

Signed-off-by: Nicolas Pitre <npitre at baylibre.com>
Signed-off-by: Julien Panis <jpanis at baylibre.com>
---
 arch/arm64/boot/dts/mediatek/mt8188.dtsi | 447 +++++++++++++++++++++++++++++++
 1 file changed, 447 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt8188.dtsi b/arch/arm64/boot/dts/mediatek/mt8188.dtsi
index 02786fe9891b..cd27966d2e3c 100644
--- a/arch/arm64/boot/dts/mediatek/mt8188.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8188.dtsi
@@ -13,6 +13,8 @@
 #include <dt-bindings/pinctrl/mediatek,mt8188-pinfunc.h>
 #include <dt-bindings/power/mediatek,mt8188-power.h>
 #include <dt-bindings/reset/mt8188-resets.h>
+#include <dt-bindings/thermal/thermal.h>
+#include <dt-bindings/thermal/mediatek,lvts-thermal.h>
 
 / {
 	compatible = "mediatek,mt8188";
@@ -418,6 +420,450 @@ psci {
 		method = "smc";
 	};
 
+	thermal_zones: thermal-zones {
+		cpu-little0-thermal {
+			polling-delay = <1000>;
+			polling-delay-passive = <150>;
+			thermal-sensors = <&lvts_mcu MT8188_MCU_LITTLE_CPU0>;
+
+			trips {
+				cpu_little0_alert0: trip-alert0 {
+					temperature = <85000>;
+					hysteresis = <2000>;
+					type = "passive";
+				};
+
+				cpu_little0_alert1: trip-alert1 {
+					temperature = <95000>;
+					hysteresis = <2000>;
+					type = "hot";
+				};
+
+				cpu_little0_crit: trip-crit {
+					temperature = <100000>;
+					hysteresis = <0>;
+					type = "critical";
+				};
+			};
+
+			cooling-maps {
+				map0 {
+					trip = <&cpu_little0_alert0>;
+					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>,
+							 <&cpu4 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+							 <&cpu5 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+				};
+			};
+		};
+
+		cpu-little1-thermal {
+			polling-delay = <1000>;
+			polling-delay-passive = <150>;
+			thermal-sensors = <&lvts_mcu MT8188_MCU_LITTLE_CPU1>;
+
+			trips {
+				cpu_little1_alert0: trip-alert0 {
+					temperature = <85000>;
+					hysteresis = <2000>;
+					type = "passive";
+				};
+
+				cpu_little1_alert1: trip-alert1 {
+					temperature = <95000>;
+					hysteresis = <2000>;
+					type = "hot";
+				};
+
+				cpu_little1_crit: trip-crit {
+					temperature = <100000>;
+					hysteresis = <0>;
+					type = "critical";
+				};
+			};
+
+			cooling-maps {
+				map0 {
+					trip = <&cpu_little1_alert0>;
+					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>,
+							 <&cpu4 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+							 <&cpu5 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+				};
+			};
+		};
+
+		cpu-little2-thermal {
+			polling-delay = <1000>;
+			polling-delay-passive = <150>;
+			thermal-sensors = <&lvts_mcu MT8188_MCU_LITTLE_CPU2>;
+
+			trips {
+				cpu_little2_alert0: trip-alert0 {
+					temperature = <85000>;
+					hysteresis = <2000>;
+					type = "passive";
+				};
+
+				cpu_little2_alert1: trip-alert1 {
+					temperature = <95000>;
+					hysteresis = <2000>;
+					type = "hot";
+				};
+
+				cpu_little2_crit: trip-crit {
+					temperature = <100000>;
+					hysteresis = <0>;
+					type = "critical";
+				};
+			};
+
+			cooling-maps {
+				map0 {
+					trip = <&cpu_little2_alert0>;
+					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>,
+							 <&cpu4 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+							 <&cpu5 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+				};
+			};
+		};
+
+		cpu-little3-thermal {
+			polling-delay = <1000>;
+			polling-delay-passive = <150>;
+			thermal-sensors = <&lvts_mcu MT8188_MCU_LITTLE_CPU3>;
+
+			trips {
+				cpu_little3_alert0: trip-alert0 {
+					temperature = <85000>;
+					hysteresis = <2000>;
+					type = "passive";
+				};
+
+				cpu_little3_alert1: trip-alert1 {
+					temperature = <95000>;
+					hysteresis = <2000>;
+					type = "hot";
+				};
+
+				cpu_little3_crit: trip-crit {
+					temperature = <100000>;
+					hysteresis = <0>;
+					type = "critical";
+				};
+			};
+
+			cooling-maps {
+				map0 {
+					trip = <&cpu_little3_alert0>;
+					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>,
+							 <&cpu4 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+							 <&cpu5 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+				};
+			};
+		};
+
+		cpu-big0-thermal {
+			polling-delay = <1000>;
+			polling-delay-passive = <100>;
+			thermal-sensors = <&lvts_mcu MT8188_MCU_BIG_CPU0>;
+
+			trips {
+				cpu_big0_alert0: trip-alert0 {
+					temperature = <85000>;
+					hysteresis = <2000>;
+					type = "passive";
+				};
+
+				cpu_big0_alert1: trip-alert1 {
+					temperature = <95000>;
+					hysteresis = <2000>;
+					type = "hot";
+				};
+
+				cpu_big0_crit: trip-crit {
+					temperature = <100000>;
+					hysteresis = <0>;
+					type = "critical";
+				};
+			};
+
+			cooling-maps {
+				map0 {
+					trip = <&cpu_big0_alert0>;
+					cooling-device = <&cpu6 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+							 <&cpu7 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+				};
+			};
+		};
+
+		cpu-big1-thermal {
+			polling-delay = <1000>;
+			polling-delay-passive = <100>;
+			thermal-sensors = <&lvts_mcu MT8188_MCU_BIG_CPU1>;
+
+			trips {
+				cpu_big1_alert0: trip-alert0 {
+					temperature = <85000>;
+					hysteresis = <2000>;
+					type = "passive";
+				};
+
+				cpu_big1_alert1: trip-alert1 {
+					temperature = <95000>;
+					hysteresis = <2000>;
+					type = "hot";
+				};
+
+				cpu_big1_crit: trip-crit {
+					temperature = <100000>;
+					hysteresis = <0>;
+					type = "critical";
+				};
+			};
+
+			cooling-maps {
+				map0 {
+					trip = <&cpu_big1_alert0>;
+					cooling-device = <&cpu6 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+							 <&cpu7 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+				};
+			};
+		};
+
+		apu-thermal {
+			polling-delay = <1000>;
+			polling-delay-passive = <250>;
+			thermal-sensors = <&lvts_ap MT8188_AP_APU>;
+
+			trips {
+				apu_alert0: trip-alert0 {
+					temperature = <85000>;
+					hysteresis = <2000>;
+					type = "passive";
+				};
+
+				apu_alert1: trip-alert1 {
+					temperature = <95000>;
+					hysteresis = <2000>;
+					type = "hot";
+				};
+
+				apu_crit: trip-crit {
+					temperature = <100000>;
+					hysteresis = <0>;
+					type = "critical";
+				};
+			};
+		};
+
+		gpu-thermal {
+			polling-delay = <1000>;
+			polling-delay-passive = <250>;
+			thermal-sensors = <&lvts_ap MT8188_AP_GPU0>;
+
+			trips {
+				gpu_alert0: trip-alert0 {
+					temperature = <85000>;
+					hysteresis = <2000>;
+					type = "passive";
+				};
+
+				gpu_alert1: trip-alert1 {
+					temperature = <95000>;
+					hysteresis = <2000>;
+					type = "hot";
+				};
+
+				gpu_crit: trip-crit {
+					temperature = <100000>;
+					hysteresis = <0>;
+					type = "critical";
+				};
+			};
+
+			cooling-maps {
+				map0 {
+					trip = <&gpu_alert0>;
+					cooling-device = <&gpu THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+				};
+			};
+		};
+
+		gpu1-thermal {
+			polling-delay = <1000>;
+			polling-delay-passive = <250>;
+			thermal-sensors = <&lvts_ap MT8188_AP_GPU1>;
+
+			trips {
+				gpu1_alert0: trip-alert0 {
+					temperature = <85000>;
+					hysteresis = <2000>;
+					type = "passive";
+				};
+
+				gpu1_alert1: trip-alert1 {
+					temperature = <95000>;
+					hysteresis = <2000>;
+					type = "hot";
+				};
+
+				gpu1_crit: trip-crit {
+					temperature = <100000>;
+					hysteresis = <0>;
+					type = "critical";
+				};
+			};
+
+			cooling-maps {
+				map0 {
+					trip = <&gpu1_alert0>;
+					cooling-device = <&gpu THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+				};
+			};
+		};
+
+		adsp-thermal {
+			polling-delay = <1000>;
+			polling-delay-passive = <250>;
+			thermal-sensors = <&lvts_ap MT8188_AP_ADSP>;
+
+			trips {
+				soc_alert0: trip-alert0 {
+					temperature = <85000>;
+					hysteresis = <2000>;
+					type = "passive";
+				};
+
+				soc_alert1: trip-alert1 {
+					temperature = <95000>;
+					hysteresis = <2000>;
+					type = "hot";
+				};
+
+				soc_crit: trip-crit {
+					temperature = <100000>;
+					hysteresis = <0>;
+					type = "critical";
+				};
+			};
+		};
+
+		vdo-thermal {
+			polling-delay = <1000>;
+			polling-delay-passive = <250>;
+			thermal-sensors = <&lvts_ap MT8188_AP_VDO>;
+
+			trips {
+				soc1_alert0: trip-alert0 {
+					temperature = <85000>;
+					hysteresis = <2000>;
+					type = "passive";
+				};
+
+				soc1_alert1: trip-alert1 {
+					temperature = <95000>;
+					hysteresis = <2000>;
+					type = "hot";
+				};
+
+				soc1_crit: trip-crit {
+					temperature = <100000>;
+					hysteresis = <0>;
+					type = "critical";
+				};
+			};
+		};
+
+		infra-thermal {
+			polling-delay = <1000>;
+			polling-delay-passive = <250>;
+			thermal-sensors = <&lvts_ap MT8188_AP_INFRA>;
+
+			trips {
+				soc2_alert0: trip-alert0 {
+					temperature = <85000>;
+					hysteresis = <2000>;
+					type = "passive";
+				};
+
+				soc2_alert1: trip-alert1 {
+					temperature = <95000>;
+					hysteresis = <2000>;
+					type = "hot";
+				};
+
+				soc2_crit: trip-crit {
+					temperature = <100000>;
+					hysteresis = <0>;
+					type = "critical";
+				};
+			};
+		};
+
+		cam1-thermal {
+			polling-delay = <1000>;
+			polling-delay-passive = <250>;
+			thermal-sensors = <&lvts_ap MT8188_AP_CAM1>;
+
+			trips {
+				cam1_alert0: trip-alert0 {
+					temperature = <85000>;
+					hysteresis = <2000>;
+					type = "passive";
+				};
+
+				cam1_alert1: trip-alert1 {
+					temperature = <95000>;
+					hysteresis = <2000>;
+					type = "hot";
+				};
+
+				cam1_crit: trip-crit {
+					temperature = <100000>;
+					hysteresis = <0>;
+					type = "critical";
+				};
+			};
+		};
+
+		cam2-thermal {
+			polling-delay = <1000>;
+			polling-delay-passive = <250>;
+			thermal-sensors = <&lvts_ap MT8188_AP_CAM2>;
+
+			trips {
+				cam2_alert0: trip-alert0 {
+					temperature = <85000>;
+					hysteresis = <2000>;
+					type = "passive";
+				};
+
+				cam2_alert1: trip-alert1 {
+					temperature = <95000>;
+					hysteresis = <2000>;
+					type = "hot";
+				};
+
+				cam2_crit: trip-crit {
+					temperature = <100000>;
+					hysteresis = <0>;
+					type = "critical";
+				};
+			};
+		};
+	};
+
 	timer: timer {
 		compatible = "arm,armv8-timer";
 		interrupt-parent = <&gic>;
@@ -1322,6 +1768,7 @@ gpu: gpu at 13000000 {
 					<&spm MT8188_POWER_DOMAIN_MFG3>,
 					<&spm MT8188_POWER_DOMAIN_MFG4>;
 			power-domain-names = "core0", "core1", "core2";
+			#cooling-cells = <2>;
 			status = "disabled";
 		};
 

-- 
2.37.3




More information about the Linux-mediatek mailing list