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From:   Anson.Huang@nxp.com
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Cc:     Linux-imx@nxp.com
Subject: [PATCH V13 5/5] arm64: dts: imx: add i.MX8QXP thermal support
Date:   Tue, 28 May 2019 11:16:54 +0800
Message-Id: <20190528031654.43801-5-Anson.Huang@nxp.com>
In-Reply-To: <20190528031654.43801-1-Anson.Huang@nxp.com>
References: <20190528031654.43801-1-Anson.Huang@nxp.com>
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

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, just rebase the patch to top of linux-next and below my patch:
https://patchwork.kernel.org/patch/10962185/
---
 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 9f52da6..4448c65 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>;
@@ -162,6 +163,11 @@
 			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 {
@@ -530,4 +536,35 @@
 			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