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From: Anson.Huang@nxp.com
To: robh+dt@kernel.org, mark.rutland@arm.com, corbet@lwn.net,
	shawnguo@kernel.org, s.hauer@pengutronix.de,
	kernel@pengutronix.de, festevam@gmail.com,
	catalin.marinas@arm.com, will.deacon@arm.com,
	rui.zhang@intel.com, edubezval@gmail.com,
	daniel.lezcano@linaro.org, aisheng.dong@nxp.com,
	ulf.hansson@linaro.org, peng.fan@nxp.com,
	mchehab+samsung@kernel.org, linux@roeck-us.net,
	daniel.baluta@nxp.com, maxime.ripard@bootlin.com,
	horms+renesas@verge.net.au, olof@lixom.net,
	jagan@amarulasolutions.com, bjorn.andersson@linaro.org,
	leonard.crestez@nxp.com, dinguyen@kernel.org,
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	linux-arm-kernel@lists.infradead.org, linux-pm@vger.kernel.org
Cc: Linux-imx@nxp.com
Subject: [PATCH V15 5/5] arm64: dts: imx: add i.MX8QXP thermal support
Date: Tue, 18 Jun 2019 10:18:20 +0800
Message-ID: <20190618021820.14885-5-Anson.Huang@nxp.com> (raw)
In-Reply-To: <20190618021820.14885-1-Anson.Huang@nxp.com>

From: Anson Huang <Anson.Huang@nxp.com>

Add i.MX8QXP CPU thermal zone support.

Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
---
No change.
---
 arch/arm64/boot/dts/freescale/imx8qxp.dtsi | 37 ++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi b/arch/arm64/boot/dts/freescale/imx8qxp.dtsi
index b2cb818..12044be 100644
--- a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8qxp.dtsi
@@ -10,6 +10,7 @@
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/interrupt-controller/arm-gic.h>
 #include <dt-bindings/pinctrl/pads-imx8qxp.h>
+#include <dt-bindings/thermal/thermal.h>
 
 / {
 	interrupt-parent = <&gic>;
@@ -168,6 +169,11 @@
 			compatible = "fsl,imx8qxp-sc-wdt", "fsl,imx-sc-wdt";
 			timeout-sec = <60>;
 		};
+
+		tsens: thermal-sensor {
+			compatible = "fsl,imx8qxp-sc-thermal", "fsl,imx-sc-thermal";
+			#thermal-sensor-cells = <1>;
+		};
 	};
 
 	timer {
@@ -536,4 +542,35 @@
 			power-domains = <&pd IMX_SC_R_GPIO_7>;
 		};
 	};
+
+	thermal_zones: thermal-zones {
+		cpu-thermal0 {
+			polling-delay-passive = <250>;
+			polling-delay = <2000>;
+			thermal-sensors = <&tsens IMX_SC_R_SYSTEM>;
+			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 =
+						<&A35_0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+						<&A35_1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+						<&A35_2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+						<&A35_3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+
+				};
+			};
+		};
+	};
 };
-- 
2.7.4


  parent reply index

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-06-18  2:18 [PATCH V15 1/5] dt-bindings: fsl: scu: add thermal binding Anson.Huang
2019-06-18  2:18 ` [PATCH V15 2/5] thermal: of-thermal: add API for getting sensor ID from DT Anson.Huang
2019-06-18  2:18 ` [PATCH V15 3/5] thermal: imx_sc: add i.MX system controller thermal support Anson.Huang
2019-06-18  2:18 ` [PATCH V15 4/5] defconfig: arm64: " Anson.Huang
2019-06-18  2:18 ` Anson.Huang [this message]
2019-06-24  8:04 ` [PATCH V15 1/5] dt-bindings: fsl: scu: add thermal binding Anson Huang
2019-07-24  3:16   ` Anson Huang
2019-08-28  9:14     ` Zhang Rui
2019-08-28  9:20       ` Anson Huang

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