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Commit fbfcf4bf authored by Alim Akhtar's avatar Alim Akhtar Committed by Krzysztof Kozlowski
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arm64: dts: exynos: Add TMU node for exynos7 



This patch adds TMU node, related temprature sensor and triping
point data for Atlas cpu core found on exynos7 SoC.

Signed-off-by: default avatarAlim Akhtar <alim.akhtar@samsung.com>
Signed-off-by: default avatarKrzysztof Kozlowski <k.kozlowski@samsung.com>
parent f55532a0

arch/arm64/boot/dts/exynos/exynos7-tmu-sensor-conf.dtsi

0 → 100644
+25 −0
Original line number Diff line number Diff line 
/*

 * Device tree sources for Exynos7 TMU sensor configuration

 *

 * Copyright (c) 2016 Samsung Electronics Co., Ltd.

 *		http://www.samsung.com

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 as

 * published by the Free Software Foundation.

 *

 */



#include <dt-bindings/thermal/thermal_exynos.h>



#thermal-sensor-cells = <0>;

samsung,tmu_gain = <9>;

samsung,tmu_reference_voltage = <17>;

samsung,tmu_noise_cancel_mode = <4>;

samsung,tmu_efuse_value = <75>;

samsung,tmu_min_efuse_value = <15>;

samsung,tmu_max_efuse_value = <100>;

samsung,tmu_first_point_trim = <25>;

samsung,tmu_second_point_trim = <85>;

samsung,tmu_default_temp_offset = <50>;

samsung,tmu_cal_type = <TYPE_ONE_POINT_TRIMMING>;

arch/arm64/boot/dts/exynos/exynos7-trip-points.dtsi

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+54 −0
Original line number Diff line number Diff line 
/*

 * Device tree sources for default Exynos7 thermal zone definition

 *

 * Copyright (c) 2016 Samsung Electronics Co., Ltd.

 *		http://www.samsung.com

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 as

 * published by the Free Software Foundation.

 *

 */



trips {

	cpu-alert-0 {

		temperature = <75000>; /* millicelsius */

		hysteresis = <10000>; /* millicelsius */

		type = "passive";

	};

	cpu-alert-1 {

		temperature = <80000>; /* millicelsius */

		hysteresis = <10000>; /* millicelsius */

		type = "passive";

	};

	cpu-alert-2 {

		temperature = <85000>; /* millicelsius */

		hysteresis = <10000>; /* millicelsius */

		type = "passive";

	};

	cpu-alert-3 {

		temperature = <90000>; /* millicelsius */

		hysteresis = <10000>; /* millicelsius */

		type = "passive";

	};

	cpu-alert-4 {

		temperature = <95000>; /* millicelsius */

		hysteresis = <10000>; /* millicelsius */

		type = "passive";

	};

	cpu-alert-5 {

		temperature = <100000>; /* millicelsius */

		hysteresis = <10000>; /* millicelsius */

		type = "passive";

	};

	cpu-alert-6 {

		temperature = <110000>; /* millicelsius */

		hysteresis = <10000>; /* millicelsius */

		type = "passive";

	};

	cpu-crit-0 {

		temperature = <115000>; /* millicelsius */

		hysteresis = <0>; /* millicelsius */

		type = "critical";

	};

};

arch/arm64/boot/dts/exynos/exynos7.dtsi

+20 −0
Original line number Diff line number Diff line
@@ -27,6 +27,7 @@ 
		pinctrl6 = &pinctrl_fsys0;

		pinctrl7 = &pinctrl_fsys1;

		pinctrl8 = &pinctrl_bus1;

		tmuctrl0 = &tmuctrl_0;

	};



	cpus {
@@ -538,6 +539,25 @@ 
			clocks = <&clock_peric0 PCLK_PWM>;

			clock-names = "timers";

		};



		tmuctrl_0: tmu@10060000 {

			compatible = "samsung,exynos7-tmu";

			reg = <0x10060000 0x200>;

			interrupts = <0 108 0>;

			clocks = <&clock_peris PCLK_TMU>,

				 <&clock_peris SCLK_TMU>;

			clock-names = "tmu_apbif", "tmu_sclk";

			#include "exynos7-tmu-sensor-conf.dtsi"

		};



		thermal-zones {

			atlas_thermal: cluster0-thermal {

				polling-delay-passive = <0>; /* milliseconds */

				polling-delay = <0>; /* milliseconds */

				thermal-sensors = <&tmuctrl_0>;

				#include "exynos7-trip-points.dtsi"

			};

		};

	};

};