drivers/thermal/samsung/exynos_tmu.h - arm/linux-arm64-legacy - Git at Google

 /*
  * exynos_tmu.h - Samsung EXYNOS TMU (Thermal Management Unit)
  *
  *  Copyright (C) 2011 Samsung Electronics
  *  Donggeun Kim <dg77.kim@samsung.com>
  *  Amit Daniel Kachhap <amit.daniel@samsung.com>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation; either version 2 of the License, or
  * (at your option) any later version.
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */

 #ifndef _EXYNOS_TMU_H
 #define _EXYNOS_TMU_H
 #include <linux/cpu_cooling.h>

 #include "exynos_thermal_common.h"

 enum calibration_type {
 	TYPE_ONE_POINT_TRIMMING,
 	TYPE_ONE_POINT_TRIMMING_25,
 	TYPE_ONE_POINT_TRIMMING_85,
 	TYPE_TWO_POINT_TRIMMING,
 	TYPE_NONE,
 };

 enum calibration_mode {
 	SW_MODE,
 	HW_MODE,
 };

 enum soc_type {
 	SOC_ARCH_EXYNOS4210 = 1,
 	SOC_ARCH_EXYNOS4412,
 	SOC_ARCH_EXYNOS5250,
 	SOC_ARCH_EXYNOS5260,
 	SOC_ARCH_EXYNOS5420_TRIMINFO,
 	SOC_ARCH_EXYNOS5440,
 };

 /**
  * EXYNOS TMU supported features.
  * TMU_SUPPORT_EMULATION - This features is used to set user defined
  *			temperature to the TMU controller.
  * TMU_SUPPORT_MULTI_INST - This features denotes that the soc
  *			has many instances of TMU.
  * TMU_SUPPORT_TRIM_RELOAD - This features shows that trimming can
  *			be reloaded.
  * TMU_SUPPORT_FALLING_TRIP - This features shows that interrupt can
  *			be registered for falling trips also.
  * TMU_SUPPORT_READY_STATUS - This feature tells that the TMU current
  *			state(active/idle) can be checked.
  * TMU_SUPPORT_EMUL_TIME - This features allows to set next temp emulation
  *			sample time.
  * TMU_SUPPORT_ADDRESS_MULTIPLE - This feature tells that the different TMU
  *			sensors shares some common registers.
  * TMU_SUPPORT - macro to compare the above features with the supplied.
  */
 #define TMU_SUPPORT_EMULATION			BIT(0)
 #define TMU_SUPPORT_MULTI_INST			BIT(1)
 #define TMU_SUPPORT_TRIM_RELOAD			BIT(2)
 #define TMU_SUPPORT_FALLING_TRIP		BIT(3)
 #define TMU_SUPPORT_READY_STATUS		BIT(4)
 #define TMU_SUPPORT_EMUL_TIME			BIT(5)
 #define TMU_SUPPORT_ADDRESS_MULTIPLE		BIT(6)

 #define TMU_SUPPORTS(a, b)	(a->features & TMU_SUPPORT_ ## b)

 /**
  * struct exynos_tmu_register - register descriptors to access registers and
  * bitfields. The register validity, offsets and bitfield values may vary
  * slightly across different exynos SOC's.
  * @triminfo_data: register containing 2 pont trimming data
  * @triminfo_25_shift: shift bit of the 25 C trim value in triminfo_data reg.
  * @triminfo_85_shift: shift bit of the 85 C trim value in triminfo_data reg.
  * @triminfo_ctrl: trim info controller register.
  * @triminfo_reload_shift: shift of triminfo reload enable bit in triminfo_ctrl
 	reg.
  * @tmu_ctrl: TMU main controller register.
  * @test_mux_addr_shift: shift bits of test mux address.
  * @buf_vref_sel_shift: shift bits of reference voltage in tmu_ctrl register.
  * @buf_vref_sel_mask: mask bits of reference voltage in tmu_ctrl register.
  * @therm_trip_mode_shift: shift bits of tripping mode in tmu_ctrl register.
  * @therm_trip_mode_mask: mask bits of tripping mode in tmu_ctrl register.
  * @therm_trip_en_shift: shift bits of tripping enable in tmu_ctrl register.
  * @buf_slope_sel_shift: shift bits of amplifier gain value in tmu_ctrl
 	register.
  * @buf_slope_sel_mask: mask bits of amplifier gain value in tmu_ctrl register.
  * @calib_mode_shift: shift bits of calibration mode value in tmu_ctrl
 	register.
  * @calib_mode_mask: mask bits of calibration mode value in tmu_ctrl
 	register.
  * @therm_trip_tq_en_shift: shift bits of thermal trip enable by TQ pin in
 	tmu_ctrl register.
  * @core_en_shift: shift bits of TMU core enable bit in tmu_ctrl register.
  * @tmu_status: register drescribing the TMU status.
  * @tmu_cur_temp: register containing the current temperature of the TMU.
  * @tmu_cur_temp_shift: shift bits of current temp value in tmu_cur_temp
 	register.
  * @threshold_temp: register containing the base threshold level.
  * @threshold_th0: Register containing first set of rising levels.
  * @threshold_th0_l0_shift: shift bits of level0 threshold temperature.
  * @threshold_th0_l1_shift: shift bits of level1 threshold temperature.
  * @threshold_th0_l2_shift: shift bits of level2 threshold temperature.
  * @threshold_th0_l3_shift: shift bits of level3 threshold temperature.
  * @threshold_th1: Register containing second set of rising levels.
  * @threshold_th1_l0_shift: shift bits of level0 threshold temperature.
  * @threshold_th1_l1_shift: shift bits of level1 threshold temperature.
  * @threshold_th1_l2_shift: shift bits of level2 threshold temperature.
  * @threshold_th1_l3_shift: shift bits of level3 threshold temperature.
  * @threshold_th2: Register containing third set of rising levels.
  * @threshold_th2_l0_shift: shift bits of level0 threshold temperature.
  * @threshold_th3: Register containing fourth set of rising levels.
  * @threshold_th3_l0_shift: shift bits of level0 threshold temperature.
  * @tmu_inten: register containing the different threshold interrupt
 	enable bits.
  * @inten_rise0_shift: shift bits of rising 0 interrupt bits.
  * @inten_rise1_shift: shift bits of rising 1 interrupt bits.
  * @inten_rise2_shift: shift bits of rising 2 interrupt bits.
  * @inten_rise3_shift: shift bits of rising 3 interrupt bits.
  * @inten_fall0_shift: shift bits of falling 0 interrupt bits.
  * @inten_fall1_shift: shift bits of falling 1 interrupt bits.
  * @inten_fall2_shift: shift bits of falling 2 interrupt bits.
  * @inten_fall3_shift: shift bits of falling 3 interrupt bits.
  * @tmu_intstat: Register containing the interrupt status values.
  * @tmu_intclear: Register for clearing the raised interrupt status.
  * @intclr_fall_shift: shift bits for interrupt clear fall 0
  * @intclr_rise_shift: shift bits of all rising interrupt bits.
  * @intclr_rise_mask: mask bits of all rising interrupt bits.
  * @intclr_fall_mask: mask bits of all rising interrupt bits.
  * @emul_con: TMU emulation controller register.
  * @emul_temp_shift: shift bits of emulation temperature.
  * @emul_time_shift: shift bits of emulation time.
  * @emul_time_mask: mask bits of emulation time.
  * @tmu_irqstatus: register to find which TMU generated interrupts.
  * @tmu_pmin: register to get/set the Pmin value.
  */
 struct exynos_tmu_registers {
 	u32	triminfo_data;
 	u32	triminfo_25_shift;
 	u32	triminfo_85_shift;

 	u32	triminfo_ctrl;
 	u32	triminfo_ctrl1;
 	u32	triminfo_reload_shift;

 	u32	tmu_ctrl;
 	u32     test_mux_addr_shift;
 	u32	buf_vref_sel_shift;
 	u32	buf_vref_sel_mask;
 	u32	therm_trip_mode_shift;
 	u32	therm_trip_mode_mask;
 	u32	therm_trip_en_shift;
 	u32	buf_slope_sel_shift;
 	u32	buf_slope_sel_mask;
 	u32	calib_mode_shift;
 	u32	calib_mode_mask;
 	u32	therm_trip_tq_en_shift;
 	u32	core_en_shift;

 	u32	tmu_status;

 	u32	tmu_cur_temp;
 	u32	tmu_cur_temp_shift;

 	u32	threshold_temp;

 	u32	threshold_th0;
 	u32	threshold_th0_l0_shift;
 	u32	threshold_th0_l1_shift;
 	u32	threshold_th0_l2_shift;
 	u32	threshold_th0_l3_shift;

 	u32	threshold_th1;
 	u32	threshold_th1_l0_shift;
 	u32	threshold_th1_l1_shift;
 	u32	threshold_th1_l2_shift;
 	u32	threshold_th1_l3_shift;

 	u32	threshold_th2;
 	u32	threshold_th2_l0_shift;

 	u32	threshold_th3;
 	u32	threshold_th3_l0_shift;

 	u32	tmu_inten;
 	u32	inten_rise0_shift;
 	u32	inten_rise1_shift;
 	u32	inten_rise2_shift;
 	u32	inten_rise3_shift;
 	u32	inten_fall0_shift;
 	u32	inten_fall1_shift;
 	u32	inten_fall2_shift;
 	u32	inten_fall3_shift;

 	u32	tmu_intstat;

 	u32	tmu_intclear;
 	u32	intclr_fall_shift;
 	u32	intclr_rise_shift;
 	u32	intclr_fall_mask;
 	u32	intclr_rise_mask;

 	u32	emul_con;
 	u32	emul_temp_shift;
 	u32	emul_time_shift;
 	u32	emul_time_mask;

 	u32	tmu_irqstatus;
 	u32	tmu_pmin;
 };

 /**
  * struct exynos_tmu_platform_data
  * @threshold: basic temperature for generating interrupt
  *	       25 <= threshold <= 125 [unit: degree Celsius]
  * @threshold_falling: differntial value for setting threshold
  *		       of temperature falling interrupt.
  * @trigger_levels: array for each interrupt levels
  *	[unit: degree Celsius]
  *	0: temperature for trigger_level0 interrupt
  *	   condition for trigger_level0 interrupt:
  *		current temperature > threshold + trigger_levels[0]
  *	1: temperature for trigger_level1 interrupt
  *	   condition for trigger_level1 interrupt:
  *		current temperature > threshold + trigger_levels[1]
  *	2: temperature for trigger_level2 interrupt
  *	   condition for trigger_level2 interrupt:
  *		current temperature > threshold + trigger_levels[2]
  *	3: temperature for trigger_level3 interrupt
  *	   condition for trigger_level3 interrupt:
  *		current temperature > threshold + trigger_levels[3]
  * @trigger_type: defines the type of trigger. Possible values are,
  *	THROTTLE_ACTIVE trigger type
  *	THROTTLE_PASSIVE trigger type
  *	SW_TRIP trigger type
  *	HW_TRIP
  * @trigger_enable[]: array to denote which trigger levels are enabled.
  *	1 = enable trigger_level[] interrupt,
  *	0 = disable trigger_level[] interrupt
  * @max_trigger_level: max trigger level supported by the TMU
  * @gain: gain of amplifier in the positive-TC generator block
  *	0 <= gain <= 15
  * @reference_voltage: reference voltage of amplifier
  *	in the positive-TC generator block
  *	0 <= reference_voltage <= 31
  * @noise_cancel_mode: noise cancellation mode
  *	000, 100, 101, 110 and 111 can be different modes
  * @type: determines the type of SOC
  * @efuse_value: platform defined fuse value
  * @min_efuse_value: minimum valid trimming data
  * @max_efuse_value: maximum valid trimming data
  * @first_point_trim: temp value of the first point trimming
  * @second_point_trim: temp value of the second point trimming
  * @default_temp_offset: default temperature offset in case of no trimming
  * @test_mux; information if SoC supports test MUX
  * @cal_type: calibration type for temperature
  * @cal_mode: calibration mode for temperature
  * @freq_clip_table: Table representing frequency reduction percentage.
  * @freq_tab_count: Count of the above table as frequency reduction may
  *	applicable to only some of the trigger levels.
  * @registers: Pointer to structure containing all the TMU controller registers
  *	and bitfields shifts and masks.
  * @features: a bitfield value indicating the features supported in SOC like
  *	emulation, multi instance etc
  *
  * This structure is required for configuration of exynos_tmu driver.
  */
 struct exynos_tmu_platform_data {
 	u8 threshold;
 	u8 threshold_falling;
 	u8 trigger_levels[MAX_TRIP_COUNT];
 	enum trigger_type trigger_type[MAX_TRIP_COUNT];
 	bool trigger_enable[MAX_TRIP_COUNT];
 	u8 max_trigger_level;
 	u8 gain;
 	u8 reference_voltage;
 	u8 noise_cancel_mode;

 	u32 efuse_value;
 	u32 min_efuse_value;
 	u32 max_efuse_value;
 	u8 first_point_trim;
 	u8 second_point_trim;
 	u8 default_temp_offset;
 	u8 test_mux;

 	enum calibration_type cal_type;
 	enum calibration_mode cal_mode;
 	enum soc_type type;
 	struct freq_clip_table freq_tab[4];
 	unsigned int freq_tab_count;
 	const struct exynos_tmu_registers *registers;
 	unsigned int features;
 };

 /**
  * struct exynos_tmu_init_data
  * @tmu_count: number of TMU instances.
  * @tmu_data: platform data of all TMU instances.
  * This structure is required to store data for multi-instance exynos tmu
  * driver.
  */
 struct exynos_tmu_init_data {
 	int tmu_count;
 	struct exynos_tmu_platform_data tmu_data[];
 };

 #endif /* _EXYNOS_TMU_H */
	/*
	* exynos_tmu.h - Samsung EXYNOS TMU (Thermal Management Unit)
	*
	* Copyright (C) 2011 Samsung Electronics
	* Donggeun Kim <dg77.kim@samsung.com>
	* Amit Daniel Kachhap <amit.daniel@samsung.com>
	*
	* This program is free software; you can redistribute it and/or modify
	* it under the terms of the GNU General Public License as published by
	* the Free Software Foundation; either version 2 of the License, or
	* (at your option) any later version.
	*
	* This program is distributed in the hope that it will be useful,
	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	* GNU General Public License for more details.
	*
	* You should have received a copy of the GNU General Public License
	* along with this program; if not, write to the Free Software
	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	*/

	#ifndef _EXYNOS_TMU_H
	#define _EXYNOS_TMU_H
	#include <linux/cpu_cooling.h>

	#include "exynos_thermal_common.h"

	enum calibration_type {
	TYPE_ONE_POINT_TRIMMING,
	TYPE_ONE_POINT_TRIMMING_25,
	TYPE_ONE_POINT_TRIMMING_85,
	TYPE_TWO_POINT_TRIMMING,
	TYPE_NONE,
	};

	enum calibration_mode {
	SW_MODE,
	HW_MODE,
	};

	enum soc_type {
	SOC_ARCH_EXYNOS4210 = 1,
	SOC_ARCH_EXYNOS4412,
	SOC_ARCH_EXYNOS5250,
	SOC_ARCH_EXYNOS5260,
	SOC_ARCH_EXYNOS5420_TRIMINFO,
	SOC_ARCH_EXYNOS5440,
	};

	/**
	* EXYNOS TMU supported features.
	* TMU_SUPPORT_EMULATION - This features is used to set user defined
	* temperature to the TMU controller.
	* TMU_SUPPORT_MULTI_INST - This features denotes that the soc
	* has many instances of TMU.
	* TMU_SUPPORT_TRIM_RELOAD - This features shows that trimming can
	* be reloaded.
	* TMU_SUPPORT_FALLING_TRIP - This features shows that interrupt can
	* be registered for falling trips also.
	* TMU_SUPPORT_READY_STATUS - This feature tells that the TMU current
	* state(active/idle) can be checked.
	* TMU_SUPPORT_EMUL_TIME - This features allows to set next temp emulation
	* sample time.
	* TMU_SUPPORT_ADDRESS_MULTIPLE - This feature tells that the different TMU
	* sensors shares some common registers.
	* TMU_SUPPORT - macro to compare the above features with the supplied.
	*/
	#define TMU_SUPPORT_EMULATION BIT(0)
	#define TMU_SUPPORT_MULTI_INST BIT(1)
	#define TMU_SUPPORT_TRIM_RELOAD BIT(2)
	#define TMU_SUPPORT_FALLING_TRIP BIT(3)
	#define TMU_SUPPORT_READY_STATUS BIT(4)
	#define TMU_SUPPORT_EMUL_TIME BIT(5)
	#define TMU_SUPPORT_ADDRESS_MULTIPLE BIT(6)

	#define TMU_SUPPORTS(a, b) (a->features & TMU_SUPPORT_ ## b)

	/**
	* struct exynos_tmu_register - register descriptors to access registers and
	* bitfields. The register validity, offsets and bitfield values may vary
	* slightly across different exynos SOC's.
	* @triminfo_data: register containing 2 pont trimming data
	* @triminfo_25_shift: shift bit of the 25 C trim value in triminfo_data reg.
	* @triminfo_85_shift: shift bit of the 85 C trim value in triminfo_data reg.
	* @triminfo_ctrl: trim info controller register.
	* @triminfo_reload_shift: shift of triminfo reload enable bit in triminfo_ctrl
	reg.
	* @tmu_ctrl: TMU main controller register.
	* @test_mux_addr_shift: shift bits of test mux address.
	* @buf_vref_sel_shift: shift bits of reference voltage in tmu_ctrl register.
	* @buf_vref_sel_mask: mask bits of reference voltage in tmu_ctrl register.
	* @therm_trip_mode_shift: shift bits of tripping mode in tmu_ctrl register.
	* @therm_trip_mode_mask: mask bits of tripping mode in tmu_ctrl register.
	* @therm_trip_en_shift: shift bits of tripping enable in tmu_ctrl register.
	* @buf_slope_sel_shift: shift bits of amplifier gain value in tmu_ctrl
	register.
	* @buf_slope_sel_mask: mask bits of amplifier gain value in tmu_ctrl register.
	* @calib_mode_shift: shift bits of calibration mode value in tmu_ctrl
	register.
	* @calib_mode_mask: mask bits of calibration mode value in tmu_ctrl
	register.
	* @therm_trip_tq_en_shift: shift bits of thermal trip enable by TQ pin in
	tmu_ctrl register.
	* @core_en_shift: shift bits of TMU core enable bit in tmu_ctrl register.
	* @tmu_status: register drescribing the TMU status.
	* @tmu_cur_temp: register containing the current temperature of the TMU.
	* @tmu_cur_temp_shift: shift bits of current temp value in tmu_cur_temp
	register.
	* @threshold_temp: register containing the base threshold level.
	* @threshold_th0: Register containing first set of rising levels.
	* @threshold_th0_l0_shift: shift bits of level0 threshold temperature.
	* @threshold_th0_l1_shift: shift bits of level1 threshold temperature.
	* @threshold_th0_l2_shift: shift bits of level2 threshold temperature.
	* @threshold_th0_l3_shift: shift bits of level3 threshold temperature.
	* @threshold_th1: Register containing second set of rising levels.
	* @threshold_th1_l0_shift: shift bits of level0 threshold temperature.
	* @threshold_th1_l1_shift: shift bits of level1 threshold temperature.
	* @threshold_th1_l2_shift: shift bits of level2 threshold temperature.
	* @threshold_th1_l3_shift: shift bits of level3 threshold temperature.
	* @threshold_th2: Register containing third set of rising levels.
	* @threshold_th2_l0_shift: shift bits of level0 threshold temperature.
	* @threshold_th3: Register containing fourth set of rising levels.
	* @threshold_th3_l0_shift: shift bits of level0 threshold temperature.
	* @tmu_inten: register containing the different threshold interrupt
	enable bits.
	* @inten_rise0_shift: shift bits of rising 0 interrupt bits.
	* @inten_rise1_shift: shift bits of rising 1 interrupt bits.
	* @inten_rise2_shift: shift bits of rising 2 interrupt bits.
	* @inten_rise3_shift: shift bits of rising 3 interrupt bits.
	* @inten_fall0_shift: shift bits of falling 0 interrupt bits.
	* @inten_fall1_shift: shift bits of falling 1 interrupt bits.
	* @inten_fall2_shift: shift bits of falling 2 interrupt bits.
	* @inten_fall3_shift: shift bits of falling 3 interrupt bits.
	* @tmu_intstat: Register containing the interrupt status values.
	* @tmu_intclear: Register for clearing the raised interrupt status.
	* @intclr_fall_shift: shift bits for interrupt clear fall 0
	* @intclr_rise_shift: shift bits of all rising interrupt bits.
	* @intclr_rise_mask: mask bits of all rising interrupt bits.
	* @intclr_fall_mask: mask bits of all rising interrupt bits.
	* @emul_con: TMU emulation controller register.
	* @emul_temp_shift: shift bits of emulation temperature.
	* @emul_time_shift: shift bits of emulation time.
	* @emul_time_mask: mask bits of emulation time.
	* @tmu_irqstatus: register to find which TMU generated interrupts.
	* @tmu_pmin: register to get/set the Pmin value.
	*/
	struct exynos_tmu_registers {
	u32 triminfo_data;
	u32 triminfo_25_shift;
	u32 triminfo_85_shift;

	u32 triminfo_ctrl;
	u32 triminfo_ctrl1;
	u32 triminfo_reload_shift;

	u32 tmu_ctrl;
	u32 test_mux_addr_shift;
	u32 buf_vref_sel_shift;
	u32 buf_vref_sel_mask;
	u32 therm_trip_mode_shift;
	u32 therm_trip_mode_mask;
	u32 therm_trip_en_shift;
	u32 buf_slope_sel_shift;
	u32 buf_slope_sel_mask;
	u32 calib_mode_shift;
	u32 calib_mode_mask;
	u32 therm_trip_tq_en_shift;
	u32 core_en_shift;

	u32 tmu_status;

	u32 tmu_cur_temp;
	u32 tmu_cur_temp_shift;

	u32 threshold_temp;

	u32 threshold_th0;
	u32 threshold_th0_l0_shift;
	u32 threshold_th0_l1_shift;
	u32 threshold_th0_l2_shift;
	u32 threshold_th0_l3_shift;

	u32 threshold_th1;
	u32 threshold_th1_l0_shift;
	u32 threshold_th1_l1_shift;
	u32 threshold_th1_l2_shift;
	u32 threshold_th1_l3_shift;

	u32 threshold_th2;
	u32 threshold_th2_l0_shift;

	u32 threshold_th3;
	u32 threshold_th3_l0_shift;

	u32 tmu_inten;
	u32 inten_rise0_shift;
	u32 inten_rise1_shift;
	u32 inten_rise2_shift;
	u32 inten_rise3_shift;
	u32 inten_fall0_shift;
	u32 inten_fall1_shift;
	u32 inten_fall2_shift;
	u32 inten_fall3_shift;

	u32 tmu_intstat;

	u32 tmu_intclear;
	u32 intclr_fall_shift;
	u32 intclr_rise_shift;
	u32 intclr_fall_mask;
	u32 intclr_rise_mask;

	u32 emul_con;
	u32 emul_temp_shift;
	u32 emul_time_shift;
	u32 emul_time_mask;

	u32 tmu_irqstatus;
	u32 tmu_pmin;
	};

	/**
	* struct exynos_tmu_platform_data
	* @threshold: basic temperature for generating interrupt
	* 25 <= threshold <= 125 [unit: degree Celsius]
	* @threshold_falling: differntial value for setting threshold
	* of temperature falling interrupt.
	* @trigger_levels: array for each interrupt levels
	* [unit: degree Celsius]
	* 0: temperature for trigger_level0 interrupt
	* condition for trigger_level0 interrupt:
	* current temperature > threshold + trigger_levels[0]
	* 1: temperature for trigger_level1 interrupt
	* condition for trigger_level1 interrupt:
	* current temperature > threshold + trigger_levels[1]
	* 2: temperature for trigger_level2 interrupt
	* condition for trigger_level2 interrupt:
	* current temperature > threshold + trigger_levels[2]
	* 3: temperature for trigger_level3 interrupt
	* condition for trigger_level3 interrupt:
	* current temperature > threshold + trigger_levels[3]
	* @trigger_type: defines the type of trigger. Possible values are,
	* THROTTLE_ACTIVE trigger type
	* THROTTLE_PASSIVE trigger type
	* SW_TRIP trigger type
	* HW_TRIP
	* @trigger_enable[]: array to denote which trigger levels are enabled.
	* 1 = enable trigger_level[] interrupt,
	* 0 = disable trigger_level[] interrupt
	* @max_trigger_level: max trigger level supported by the TMU
	* @gain: gain of amplifier in the positive-TC generator block
	* 0 <= gain <= 15
	* @reference_voltage: reference voltage of amplifier
	* in the positive-TC generator block
	* 0 <= reference_voltage <= 31
	* @noise_cancel_mode: noise cancellation mode
	* 000, 100, 101, 110 and 111 can be different modes
	* @type: determines the type of SOC
	* @efuse_value: platform defined fuse value
	* @min_efuse_value: minimum valid trimming data
	* @max_efuse_value: maximum valid trimming data
	* @first_point_trim: temp value of the first point trimming
	* @second_point_trim: temp value of the second point trimming
	* @default_temp_offset: default temperature offset in case of no trimming
	* @test_mux; information if SoC supports test MUX
	* @cal_type: calibration type for temperature
	* @cal_mode: calibration mode for temperature
	* @freq_clip_table: Table representing frequency reduction percentage.
	* @freq_tab_count: Count of the above table as frequency reduction may
	* applicable to only some of the trigger levels.
	* @registers: Pointer to structure containing all the TMU controller registers
	* and bitfields shifts and masks.
	* @features: a bitfield value indicating the features supported in SOC like
	* emulation, multi instance etc
	*
	* This structure is required for configuration of exynos_tmu driver.
	*/
	struct exynos_tmu_platform_data {
	u8 threshold;
	u8 threshold_falling;
	u8 trigger_levels[MAX_TRIP_COUNT];
	enum trigger_type trigger_type[MAX_TRIP_COUNT];
	bool trigger_enable[MAX_TRIP_COUNT];
	u8 max_trigger_level;
	u8 gain;
	u8 reference_voltage;
	u8 noise_cancel_mode;

	u32 efuse_value;
	u32 min_efuse_value;
	u32 max_efuse_value;
	u8 first_point_trim;
	u8 second_point_trim;
	u8 default_temp_offset;
	u8 test_mux;

	enum calibration_type cal_type;
	enum calibration_mode cal_mode;
	enum soc_type type;
	struct freq_clip_table freq_tab[4];
	unsigned int freq_tab_count;
	const struct exynos_tmu_registers *registers;
	unsigned int features;
	};

	/**
	* struct exynos_tmu_init_data
	* @tmu_count: number of TMU instances.
	* @tmu_data: platform data of all TMU instances.
	* This structure is required to store data for multi-instance exynos tmu
	* driver.
	*/
	struct exynos_tmu_init_data {
	int tmu_count;
	struct exynos_tmu_platform_data tmu_data[];
	};

	#endif /* _EXYNOS_TMU_H */