Commit 1a31270e authored by Eduardo Valentin's avatar Eduardo Valentin Committed by Greg Kroah-Hartman
Browse files

staging: omap-thermal: add OMAP4 data structures 



This patch adds the data structures needed for proper registration
of OMAP4 chips. This patch includes definitions for these chip versions:
. OMAP4430
. OMAP4460
. OMAP4470

Signed-off-by: default avatarEduardo Valentin <eduardo.valentin@ti.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 445eaf87

drivers/staging/omap-thermal/Kconfig

+14 −0
Original line number Diff line number Diff line
@@ -18,3 +18,17 @@ config OMAP_THERMAL 
	  If you say yes here you want to get support for generic thermal

	  framework for the Texas Instruments OMAP4460+ on die bandgap

	  temperature sensor.



config OMAP4_THERMAL

	bool "Texas Instruments OMAP4 thermal support"

	depends on OMAP_BANDGAP

	depends on ARCH_OMAP4

	help

	  If you say yes here you get thermal support for the Texas Instruments

	  OMAP4 SoC family. The current chip supported are:

	   - OMAP4430

	   - OMAP4460

	   - OMAP4470



	  This includes alert interrupts generation and also the TSHUT

	  support.

drivers/staging/omap-thermal/Makefile

+1 −0
Original line number Diff line number Diff line 
obj-$(CONFIG_OMAP_BANDGAP)	+= omap-thermal.o

omap-thermal-y			:= omap-bandgap.o

omap-thermal-$(CONFIG_OMAP_THERMAL)	+= omap-thermal-common.o

omap-thermal-$(CONFIG_OMAP4_THERMAL)	+= omap4-thermal.o

drivers/staging/omap-thermal/omap-bandgap.c

+14 −0
Original line number Diff line number Diff line
@@ -1144,6 +1144,20 @@ static const struct dev_pm_ops omap_bandgap_dev_pm_ops = { 
#endif



static const struct of_device_id of_omap_bandgap_match[] = {

#ifdef CONFIG_OMAP4_THERMAL

	{

		.compatible = "ti,omap4430-bandgap",

		.data = (void *)&omap4430_data,

	},

	{

		.compatible = "ti,omap4460-bandgap",

		.data = (void *)&omap4460_data,

	},

	{

		.compatible = "ti,omap4470-bandgap",

		.data = (void *)&omap4470_data,

	},

#endif

	/* Sentinel */

	{ },

};

drivers/staging/omap-thermal/omap-bandgap.h

+10 −0
Original line number Diff line number Diff line
@@ -422,4 +422,14 @@ int omap_bandgap_set_sensor_data(struct omap_bandgap *bg_ptr, int id, 
				 void *data);

void *omap_bandgap_get_sensor_data(struct omap_bandgap *bg_ptr, int id);



#ifdef CONFIG_OMAP4_THERMAL

extern const struct omap_bandgap_data omap4430_data;

extern const struct omap_bandgap_data omap4460_data;

extern const struct omap_bandgap_data omap4470_data;

#else

#define omap4430_data					NULL

#define omap4460_data					NULL

#define omap4470_data					NULL

#endif



#endif

drivers/staging/omap-thermal/omap4-thermal.c

0 → 100644
+259 −0
Original line number Diff line number Diff line 
/*

 * OMAP4 thermal driver.

 *

 * Copyright (C) 2011-2012 Texas Instruments Inc.

 * Contact:

 *	Eduardo Valentin <eduardo.valentin@ti.com>

 *

 * This software is licensed under the terms of the GNU General Public

 * License version 2, as published by the Free Software Foundation, and

 * may be copied, distributed, and modified under those terms.

 *

 * 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.

 *

 */



#include "omap-thermal.h"

#include "omap-bandgap.h"



/*

 * OMAP4430 has one instance of thermal sensor for MPU

 * need to describe the individual bit fields

 */

static struct temp_sensor_registers

omap4430_mpu_temp_sensor_registers = {

	.temp_sensor_ctrl = OMAP4430_TEMP_SENSOR_CTRL_OFFSET,

	.bgap_tempsoff_mask = OMAP4430_BGAP_TEMPSOFF_MASK,

	.bgap_soc_mask = OMAP4430_BGAP_TEMP_SENSOR_SOC_MASK,

	.bgap_eocz_mask = OMAP4430_BGAP_TEMP_SENSOR_EOCZ_MASK,

	.bgap_dtemp_mask = OMAP4430_BGAP_TEMP_SENSOR_DTEMP_MASK,



	.bgap_mode_ctrl = OMAP4430_TEMP_SENSOR_CTRL_OFFSET,

	.mode_ctrl_mask = OMAP4430_SINGLE_MODE_MASK,



	.bgap_efuse = OMAP4430_FUSE_OPP_BGAP,

};



/* Thresholds and limits for OMAP4430 MPU temperature sensor */

static struct temp_sensor_data omap4430_mpu_temp_sensor_data = {

	.min_freq = OMAP4430_MIN_FREQ,

	.max_freq = OMAP4430_MAX_FREQ,

	.max_temp = OMAP4430_MAX_TEMP,

	.min_temp = OMAP4430_MIN_TEMP,

	.hyst_val = OMAP4430_HYST_VAL,

	.adc_start_val = OMAP4430_ADC_START_VALUE,

	.adc_end_val = OMAP4430_ADC_END_VALUE,

};



/*

 * Temperature values in milli degree celsius

 * ADC code values from 530 to 923

 */

static const int

omap4430_adc_to_temp[OMAP4430_ADC_END_VALUE - OMAP4430_ADC_START_VALUE + 1] = {

	-38000, -35000, -34000, -32000, -30000, -28000, -26000, -24000, -22000,

	-20000, -18000, -17000, -15000, -13000, -12000, -10000, -8000, -6000,

	-5000, -3000, -1000, 0, 2000, 3000, 5000, 6000, 8000, 10000, 12000,

	13000, 15000, 17000, 19000, 21000, 23000, 25000, 27000, 28000, 30000,

	32000, 33000, 35000, 37000, 38000, 40000, 42000, 43000, 45000, 47000,

	48000, 50000, 52000, 53000, 55000, 57000, 58000, 60000, 62000, 64000,

	66000, 68000, 70000, 71000, 73000, 75000, 77000, 78000, 80000, 82000,

	83000, 85000, 87000, 88000, 90000, 92000, 93000, 95000, 97000, 98000,

	100000, 102000, 103000, 105000, 107000, 109000, 111000, 113000, 115000,

	117000, 118000, 120000, 122000, 123000,

};



/* OMAP4430 data */

const struct omap_bandgap_data omap4430_data = {

	.features = OMAP_BANDGAP_FEATURE_MODE_CONFIG |

			OMAP_BANDGAP_FEATURE_POWER_SWITCH,

	.fclock_name = "bandgap_fclk",

	.div_ck_name = "bandgap_fclk",

	.conv_table = omap4430_adc_to_temp,

	.expose_sensor = omap_thermal_expose_sensor,

	.remove_sensor = omap_thermal_remove_sensor,

	.sensors = {

		{

			.registers = &omap4430_mpu_temp_sensor_registers,

			.ts_data = &omap4430_mpu_temp_sensor_data,

			.domain = "cpu",

			.slope = 0,

			.constant = 20000,

			.slope_pcb = 0,

			.constant_pcb = 20000,

			.register_cooling = omap_thermal_register_cpu_cooling,

			.unregister_cooling = omap_thermal_unregister_cpu_cooling,

		},

	},

	.sensor_count = 1,

};

/*

 * OMAP4460 has one instance of thermal sensor for MPU

 * need to describe the individual bit fields

 */

static struct temp_sensor_registers

omap4460_mpu_temp_sensor_registers = {

	.temp_sensor_ctrl = OMAP4460_TEMP_SENSOR_CTRL_OFFSET,

	.bgap_tempsoff_mask = OMAP4460_BGAP_TEMPSOFF_MASK,

	.bgap_soc_mask = OMAP4460_BGAP_TEMP_SENSOR_SOC_MASK,

	.bgap_eocz_mask = OMAP4460_BGAP_TEMP_SENSOR_EOCZ_MASK,

	.bgap_dtemp_mask = OMAP4460_BGAP_TEMP_SENSOR_DTEMP_MASK,



	.bgap_mask_ctrl = OMAP4460_BGAP_CTRL_OFFSET,

	.mask_hot_mask = OMAP4460_MASK_HOT_MASK,

	.mask_cold_mask = OMAP4460_MASK_COLD_MASK,



	.bgap_mode_ctrl = OMAP4460_BGAP_CTRL_OFFSET,

	.mode_ctrl_mask = OMAP4460_SINGLE_MODE_MASK,



	.bgap_counter = OMAP4460_BGAP_COUNTER_OFFSET,

	.counter_mask = OMAP4460_COUNTER_MASK,



	.bgap_threshold = OMAP4460_BGAP_THRESHOLD_OFFSET,

	.threshold_thot_mask = OMAP4460_T_HOT_MASK,

	.threshold_tcold_mask = OMAP4460_T_COLD_MASK,



	.tshut_threshold = OMAP4460_BGAP_TSHUT_OFFSET,

	.tshut_hot_mask = OMAP4460_TSHUT_HOT_MASK,

	.tshut_cold_mask = OMAP4460_TSHUT_COLD_MASK,



	.bgap_status = OMAP4460_BGAP_STATUS_OFFSET,

	.status_clean_stop_mask = OMAP4460_CLEAN_STOP_MASK,

	.status_bgap_alert_mask = OMAP4460_BGAP_ALERT_MASK,

	.status_hot_mask = OMAP4460_HOT_FLAG_MASK,

	.status_cold_mask = OMAP4460_COLD_FLAG_MASK,



	.bgap_efuse = OMAP4460_FUSE_OPP_BGAP,

};



/* Thresholds and limits for OMAP4460 MPU temperature sensor */

static struct temp_sensor_data omap4460_mpu_temp_sensor_data = {

	.tshut_hot = OMAP4460_TSHUT_HOT,

	.tshut_cold = OMAP4460_TSHUT_COLD,

	.t_hot = OMAP4460_T_HOT,

	.t_cold = OMAP4460_T_COLD,

	.min_freq = OMAP4460_MIN_FREQ,

	.max_freq = OMAP4460_MAX_FREQ,

	.max_temp = OMAP4460_MAX_TEMP,

	.min_temp = OMAP4460_MIN_TEMP,

	.hyst_val = OMAP4460_HYST_VAL,

	.adc_start_val = OMAP4460_ADC_START_VALUE,

	.adc_end_val = OMAP4460_ADC_END_VALUE,

	.update_int1 = 1000,

	.update_int2 = 2000,

};



/*

 * Temperature values in milli degree celsius

 * ADC code values from 530 to 923

 */

static const int

omap4460_adc_to_temp[OMAP4460_ADC_END_VALUE - OMAP4460_ADC_START_VALUE + 1] = {

	-40000, -40000, -40000, -40000, -39800, -39400, -39000, -38600, -38200,

	-37800, -37300, -36800, -36400, -36000, -35600, -35200, -34800,

	-34300, -33800, -33400, -33000, -32600, -32200, -31800, -31300,

	-30800, -30400, -30000, -29600, -29200, -28700, -28200, -27800,

	-27400, -27000, -26600, -26200, -25700, -25200, -24800, -24400,

	-24000, -23600, -23200, -22700, -22200, -21800, -21400, -21000,

	-20600, -20200, -19700, -19200, -18800, -18400, -18000, -17600,

	-17200, -16700, -16200, -15800, -15400, -15000, -14600, -14200,

	-13700, -13200, -12800, -12400, -12000, -11600, -11200, -10700,

	-10200, -9800, -9400, -9000, -8600, -8200, -7700, -7200, -6800,

	-6400, -6000, -5600, -5200, -4800, -4300, -3800, -3400, -3000,

	-2600, -2200, -1800, -1300, -800, -400, 0, 400, 800, 1200, 1600,

	2100, 2600, 3000, 3400, 3800, 4200, 4600, 5100, 5600, 6000, 6400,

	6800, 7200, 7600, 8000, 8500, 9000, 9400, 9800, 10200, 10600, 11000,

	11400, 11900, 12400, 12800, 13200, 13600, 14000, 14400, 14800,

	15300, 15800, 16200, 16600, 17000, 17400, 17800, 18200, 18700,

	19200, 19600, 20000, 20400, 20800, 21200, 21600, 22100, 22600,

	23000, 23400, 23800, 24200, 24600, 25000, 25400, 25900, 26400,

	26800, 27200, 27600, 28000, 28400, 28800, 29300, 29800, 30200,

	30600, 31000, 31400, 31800, 32200, 32600, 33100, 33600, 34000,

	34400, 34800, 35200, 35600, 36000, 36400, 36800, 37300, 37800,

	38200, 38600, 39000, 39400, 39800, 40200, 40600, 41100, 41600,

	42000, 42400, 42800, 43200, 43600, 44000, 44400, 44800, 45300,

	45800, 46200, 46600, 47000, 47400, 47800, 48200, 48600, 49000,

	49500, 50000, 50400, 50800, 51200, 51600, 52000, 52400, 52800,

	53200, 53700, 54200, 54600, 55000, 55400, 55800, 56200, 56600,

	57000, 57400, 57800, 58200, 58700, 59200, 59600, 60000, 60400,

	60800, 61200, 61600, 62000, 62400, 62800, 63300, 63800, 64200,

	64600, 65000, 65400, 65800, 66200, 66600, 67000, 67400, 67800,

	68200, 68700, 69200, 69600, 70000, 70400, 70800, 71200, 71600,

	72000, 72400, 72800, 73200, 73600, 74100, 74600, 75000, 75400,

	75800, 76200, 76600, 77000, 77400, 77800, 78200, 78600, 79000,

	79400, 79800, 80300, 80800, 81200, 81600, 82000, 82400, 82800,

	83200, 83600, 84000, 84400, 84800, 85200, 85600, 86000, 86400,

	86800, 87300, 87800, 88200, 88600, 89000, 89400, 89800, 90200,

	90600, 91000, 91400, 91800, 92200, 92600, 93000, 93400, 93800,

	94200, 94600, 95000, 95500, 96000, 96400, 96800, 97200, 97600,

	98000, 98400, 98800, 99200, 99600, 100000, 100400, 100800, 101200,

	101600, 102000, 102400, 102800, 103200, 103600, 104000, 104400,

	104800, 105200, 105600, 106100, 106600, 107000, 107400, 107800,

	108200, 108600, 109000, 109400, 109800, 110200, 110600, 111000,

	111400, 111800, 112200, 112600, 113000, 113400, 113800, 114200,

	114600, 115000, 115400, 115800, 116200, 116600, 117000, 117400,

	117800, 118200, 118600, 119000, 119400, 119800, 120200, 120600,

	121000, 121400, 121800, 122200, 122600, 123000, 123400, 123800, 124200,

	124600, 124900, 125000, 125000, 125000, 125000

};



/* OMAP4460 data */

const struct omap_bandgap_data omap4460_data = {

	.features = OMAP_BANDGAP_FEATURE_TSHUT |

			OMAP_BANDGAP_FEATURE_TSHUT_CONFIG |

			OMAP_BANDGAP_FEATURE_TALERT |

			OMAP_BANDGAP_FEATURE_MODE_CONFIG |

			OMAP_BANDGAP_FEATURE_POWER_SWITCH |

			OMAP_BANDGAP_FEATURE_COUNTER,

	.fclock_name = "bandgap_ts_fclk",

	.div_ck_name = "div_ts_ck",

	.conv_table = omap4460_adc_to_temp,

	.expose_sensor = omap_thermal_expose_sensor,

	.remove_sensor = omap_thermal_remove_sensor,

	.sensors = {

		{

			.registers = &omap4460_mpu_temp_sensor_registers,

			.ts_data = &omap4460_mpu_temp_sensor_data,

			.domain = "cpu",

			.slope = OMAP_GRADIENT_SLOPE_4460,

			.constant = OMAP_GRADIENT_CONST_4460,

			.slope_pcb = OMAP_GRADIENT_SLOPE_W_PCB_4460,

			.constant_pcb = OMAP_GRADIENT_CONST_W_PCB_4460,

			.register_cooling = omap_thermal_register_cpu_cooling,

			.unregister_cooling = omap_thermal_unregister_cpu_cooling,

		},

	},

	.sensor_count = 1,

};



/* OMAP4470 data */

const struct omap_bandgap_data omap4470_data = {

	.features = OMAP_BANDGAP_FEATURE_TSHUT |

			OMAP_BANDGAP_FEATURE_TSHUT_CONFIG |

			OMAP_BANDGAP_FEATURE_TALERT |

			OMAP_BANDGAP_FEATURE_MODE_CONFIG |

			OMAP_BANDGAP_FEATURE_POWER_SWITCH |

			OMAP_BANDGAP_FEATURE_COUNTER,

	.fclock_name = "bandgap_ts_fclk",

	.div_ck_name = "div_ts_ck",

	.conv_table = omap4460_adc_to_temp,

	.expose_sensor = omap_thermal_expose_sensor,

	.remove_sensor = omap_thermal_remove_sensor,

	.sensors = {

		{

			.registers = &omap4460_mpu_temp_sensor_registers,

			.ts_data = &omap4460_mpu_temp_sensor_data,

			.domain = "cpu",

			.slope = OMAP_GRADIENT_SLOPE_4470,

			.constant = OMAP_GRADIENT_CONST_4470,

			.slope_pcb = OMAP_GRADIENT_SLOPE_W_PCB_4470,

			.constant_pcb = OMAP_GRADIENT_CONST_W_PCB_4470,

			.register_cooling = omap_thermal_register_cpu_cooling,

			.unregister_cooling = omap_thermal_unregister_cpu_cooling,

		},

	},

	.sensor_count = 1,

};

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