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From: Frank Li <Frank.Li@nxp.com>
To: Rob Herring <robh+dt@kernel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Shawn Guo <shawnguo@kernel.org>,
	Sascha Hauer <s.hauer@pengutronix.de>,
	Pengutronix Kernel Team <kernel@pengutronix.de>,
	Fabio Estevam <festevam@gmail.com>,
	NXP Linux Team <linux-imx@nxp.com>, Peng Fan <peng.fan@nxp.com>,
	Li Yang <leoyang.li@nxp.com>,
	Marcel Ziswiler <marcel.ziswiler@toradex.com>,
	Zhou Peng <eagle.zhou@nxp.com>,
	Pierre Gondois <pierre.gondois@arm.com>,
	devicetree@vger.kernel.org (open list:OPEN FIRMWARE AND
	FLATTENED DEVICE TREE BINDINGS),
	linux-arm-kernel@lists.infradead.org (moderated
	list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE),
	linux-kernel@vger.kernel.org (open list)
Cc: imx@lists.linux.dev
Subject: [PATCH v2 2/3] arm64: dts: imx8qm: add thermal zone and cooling map
Date: Thu, 13 Jul 2023 16:49:30 -0400	[thread overview]
Message-ID: <20230713204932.1591255-2-Frank.Li@nxp.com> (raw)
In-Reply-To: <20230713204932.1591255-1-Frank.Li@nxp.com>

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>
---
change from v1 to v2
- pass make dtbs_check
- remove stray blank lines

 arch/arm64/boot/dts/freescale/imx8qm.dtsi | 134 ++++++++++++++++++++++
 1 file changed, 134 insertions(+)

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 @@ A53_0: cpu@0 {
 			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 @@ A53_1: cpu@1 {
 			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 @@ A53_2: cpu@2 {
 			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 @@ A53_3: cpu@3 {
 			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 @@ A72_0: cpu@100 {
 			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 @@ A72_1: cpu@101 {
 			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 @@ iomuxc: pinctrl {
 		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 */
-- 
2.34.1


  reply	other threads:[~2023-07-13 20:50 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-07-13 20:49 [PATCH v2 1/3] arm64: dts: imx8qm: add cpu frequency table Frank Li
2023-07-13 20:49 ` Frank Li [this message]
2023-07-13 20:49 ` [PATCH v2 3/3] arm64: dts: imx8qm-mek: delete A72 thermal zone Frank Li
2023-07-19  6:34 ` [PATCH v2 1/3] arm64: dts: imx8qm: add cpu frequency table Shawn Guo

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