From 36e81d6a9029536ba3b551edf8836fa25eea3282 Mon Sep 17 00:00:00 2001
From: Frank Li <Frank.Li@nxp.com>
Date: Thu, 13 Jul 2023 16:49:30 -0400
Subject: arm64: dts: imx8qm: add thermal zone and cooling map

Add thermal zone and cooling map for cpufreq.

Reviewed-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
---
 arch/arm64/boot/dts/freescale/imx8qm.dtsi | 134 ++++++++++++++++++++++++++++++
 1 file changed, 134 insertions(+)

(limited to 'arch/arm64/boot/dts')

diff --git a/arch/arm64/boot/dts/freescale/imx8qm.dtsi b/arch/arm64/boot/dts/freescale/imx8qm.dtsi
index effd84ebade1..0e425df1bc4e 100644
--- a/arch/arm64/boot/dts/freescale/imx8qm.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8qm.dtsi
@@ -9,6 +9,7 @@
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/interrupt-controller/arm-gic.h>
 #include <dt-bindings/pinctrl/pads-imx8qm.h>
+#include <dt-bindings/thermal/thermal.h>
 
 / {
 	interrupt-parent = <&gic>;
@@ -72,6 +73,7 @@
 			d-cache-sets = <128>;
 			next-level-cache = <&A53_L2>;
 			operating-points-v2 = <&a53_opp_table>;
+			#cooling-cells = <2>;
 		};
 
 		A53_1: cpu@1 {
@@ -88,6 +90,7 @@
 			d-cache-sets = <128>;
 			next-level-cache = <&A53_L2>;
 			operating-points-v2 = <&a53_opp_table>;
+			#cooling-cells = <2>;
 		};
 
 		A53_2: cpu@2 {
@@ -104,6 +107,7 @@
 			d-cache-sets = <128>;
 			next-level-cache = <&A53_L2>;
 			operating-points-v2 = <&a53_opp_table>;
+			#cooling-cells = <2>;
 		};
 
 		A53_3: cpu@3 {
@@ -120,6 +124,7 @@
 			d-cache-sets = <128>;
 			next-level-cache = <&A53_L2>;
 			operating-points-v2 = <&a53_opp_table>;
+			#cooling-cells = <2>;
 		};
 
 		A72_0: cpu@100 {
@@ -136,6 +141,7 @@
 			d-cache-sets = <256>;
 			next-level-cache = <&A72_L2>;
 			operating-points-v2 = <&a72_opp_table>;
+			#cooling-cells = <2>;
 		};
 
 		A72_1: cpu@101 {
@@ -146,6 +152,7 @@
 			enable-method = "psci";
 			next-level-cache = <&A72_L2>;
 			operating-points-v2 = <&a72_opp_table>;
+			#cooling-cells = <2>;
 		};
 
 		A53_L2: l2-cache0 {
@@ -284,6 +291,133 @@
 		rtc: rtc {
 			compatible = "fsl,imx8qxp-sc-rtc";
 		};
+
+		tsens: thermal-sensor {
+			compatible = "fsl,imx8qxp-sc-thermal", "fsl,imx-sc-thermal";
+			#thermal-sensor-cells = <1>;
+		};
+	};
+
+	thermal-zones {
+		cpu0-thermal {
+			polling-delay-passive = <250>;
+			polling-delay = <2000>;
+			thermal-sensors = <&tsens IMX_SC_R_A53>;
+
+			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 =
+						<&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>;
+				};
+			};
+		};
+
+		cpu1-thermal {
+			polling-delay-passive = <250>;
+			polling-delay = <2000>;
+			thermal-sensors = <&tsens IMX_SC_R_A72>;
+
+			trips {
+				cpu_alert1: trip0 {
+					temperature = <107000>;
+					hysteresis = <2000>;
+					type = "passive";
+				};
+
+				cpu_crit1: trip1 {
+					temperature = <127000>;
+					hysteresis = <2000>;
+					type = "critical";
+				};
+			};
+
+			cooling-maps {
+				map0 {
+					trip = <&cpu_alert1>;
+					cooling-device =
+						<&A72_0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+						<&A72_1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+				};
+			};
+		};
+
+		gpu0-thermal {
+			polling-delay-passive = <250>;
+			polling-delay = <2000>;
+			thermal-sensors = <&tsens IMX_SC_R_GPU_0_PID0>;
+
+			trips {
+				gpu_alert0: trip0 {
+					temperature = <107000>;
+					hysteresis = <2000>;
+					type = "passive";
+				};
+
+				gpu_crit0: trip1 {
+					temperature = <127000>;
+					hysteresis = <2000>;
+					type = "critical";
+				};
+			};
+		};
+
+	       gpu1-thermal {
+			polling-delay-passive = <250>;
+			polling-delay = <2000>;
+			thermal-sensors = <&tsens IMX_SC_R_GPU_1_PID0>;
+
+			trips {
+				gpu_alert1: trip0 {
+					temperature = <107000>;
+					hysteresis = <2000>;
+					type = "passive";
+				};
+
+				gpu_crit1: trip1 {
+					temperature = <127000>;
+					hysteresis = <2000>;
+					type = "critical";
+				};
+			};
+		};
+
+		drc0-thermal {
+			polling-delay-passive = <250>;
+			polling-delay = <2000>;
+			thermal-sensors = <&tsens IMX_SC_R_DRC_0>;
+
+			trips {
+				drc_alert0: trip0 {
+					temperature = <107000>;
+					hysteresis = <2000>;
+					type = "passive";
+				};
+
+				drc_crit0: trip1 {
+					temperature = <127000>;
+					hysteresis = <2000>;
+					type = "critical";
+				};
+			};
+		};
 	};
 
 	/* sorted in register address */
-- 
cgit