[linux.git] / drivers / thermal / ti-soc-thermal / omap3-thermal-data.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * OMAP3 thermal driver.
 *
 * Copyright (C) 2011-2012 Texas Instruments Inc.
 * Copyright (C) 2014 Pavel Machek <[email protected]>
 *
 * Note
 * http://www.ti.com/lit/er/sprz278f/sprz278f.pdf "Advisory
 * 3.1.1.186 MMC OCP Clock Not Gated When Thermal Sensor Is Used"
 *
 * Also TI says:
 * Just be careful when you try to make thermal policy like decisions
 * based on this sensor. Placement of the sensor w.r.t the actual logic
 * generating heat has to be a factor as well. If you are just looking
 * for an approximation temperature (thermometerish kind), you might be
 * ok with this. I am not sure we'd find any TI data around this.. just a
 * heads up.
 */

#include "ti-thermal.h"
#include "ti-bandgap.h"

/*
 * OMAP34XX has one instance of thermal sensor for MPU
 * need to describe the individual bit fields
 */
static struct temp_sensor_registers
omap34xx_mpu_temp_sensor_registers = {
	.temp_sensor_ctrl = 0,
	.bgap_soc_mask = BIT(8),
	.bgap_eocz_mask = BIT(7),
	.bgap_dtemp_mask = 0x7f,

	.bgap_mode_ctrl = 0,
	.mode_ctrl_mask = BIT(9),
};

/* Thresholds and limits for OMAP34XX MPU temperature sensor */
static struct temp_sensor_data omap34xx_mpu_temp_sensor_data = {
	.min_freq = 32768,
	.max_freq = 32768,
};

/*
 * Temperature values in milli degree celsius
 */
static const int
omap34xx_adc_to_temp[128] = {
	-40000, -40000, -40000, -40000, -40000, -39000, -38000, -36000,
	-34000, -32000, -31000,	-29000, -28000, -26000, -25000, -24000,
	-22000, -21000, -19000, -18000, -17000, -15000,	-14000, -12000,
	-11000, -9000, -8000, -7000, -5000, -4000, -2000, -1000, 0000,
	1000, 3000, 4000, 5000, 7000, 8000, 10000, 11000, 13000, 14000,
	15000, 17000, 18000, 20000, 21000, 22000, 24000, 25000, 27000,
	28000, 30000, 31000, 32000, 34000, 35000, 37000, 38000, 39000,
	41000, 42000, 44000, 45000, 47000, 48000, 49000, 51000, 52000,
	53000, 55000, 56000, 58000, 59000, 60000, 62000, 63000, 65000,
	66000, 67000, 69000, 70000, 72000, 73000, 74000, 76000, 77000,
	79000, 80000, 81000, 83000, 84000, 85000, 87000, 88000, 89000,
	91000, 92000, 94000, 95000, 96000, 98000, 99000, 100000,
	102000, 103000, 105000, 106000, 107000, 109000, 110000, 111000,
	113000, 114000, 116000, 117000, 118000, 120000, 121000, 122000,
	124000, 124000, 125000, 125000, 125000, 125000,	125000
};

/* OMAP34XX data */
const struct ti_bandgap_data omap34xx_data = {
	.features = TI_BANDGAP_FEATURE_CLK_CTRL | TI_BANDGAP_FEATURE_UNRELIABLE,
	.fclock_name = "ts_fck",
	.div_ck_name = "ts_fck",
	.conv_table = omap34xx_adc_to_temp,
	.adc_start_val = 0,
	.adc_end_val = 127,
	.expose_sensor = ti_thermal_expose_sensor,
	.remove_sensor = ti_thermal_remove_sensor,

	.sensors = {
		{
		.registers = &omap34xx_mpu_temp_sensor_registers,
		.ts_data = &omap34xx_mpu_temp_sensor_data,
		.domain = "cpu",
		.slope_pcb = 0,
		.constant_pcb = 20000,
		.register_cooling = NULL,
		.unregister_cooling = NULL,
		},
	},
	.sensor_count = 1,
};

/*
 * OMAP36XX has one instance of thermal sensor for MPU
 * need to describe the individual bit fields
 */
static struct temp_sensor_registers
omap36xx_mpu_temp_sensor_registers = {
	.temp_sensor_ctrl = 0,
	.bgap_soc_mask = BIT(9),
	.bgap_eocz_mask = BIT(8),
	.bgap_dtemp_mask = 0xFF,

	.bgap_mode_ctrl = 0,
	.mode_ctrl_mask = BIT(10),
};

/* Thresholds and limits for OMAP36XX MPU temperature sensor */
static struct temp_sensor_data omap36xx_mpu_temp_sensor_data = {
	.min_freq = 32768,
	.max_freq = 32768,
};

/*
 * Temperature values in milli degree celsius
 */
static const int
omap36xx_adc_to_temp[128] = {
	-40000, -40000, -40000, -40000, -40000, -40000, -40000, -40000,
	-40000, -40000, -40000,	-40000, -40000, -38000, -35000, -34000,
	-32000, -30000, -28000, -26000, -24000, -22000,	-20000, -18500,
	-17000, -15000, -13500, -12000, -10000, -8000, -6500, -5000, -3500,
	-1500, 0, 2000, 3500, 5000, 6500, 8500, 10000, 12000, 13500,
	15000, 17000, 19000, 21000, 23000, 25000, 27000, 28500, 30000,
	32000, 33500, 35000, 37000, 38500, 40000, 42000, 43500, 45000,
	47000, 48500, 50000, 52000, 53500, 55000, 57000, 58500, 60000,
	62000, 64000, 66000, 68000, 70000, 71500, 73500, 75000, 77000,
	78500, 80000, 82000, 83500, 85000, 87000, 88500, 90000, 92000,
	93500, 95000, 97000, 98500, 100000, 102000, 103500, 105000, 107000,
	109000, 111000, 113000, 115000, 117000, 118500, 120000, 122000,
	123500, 125000, 125000, 125000, 125000, 125000, 125000, 125000,
	125000, 125000, 125000, 125000, 125000, 125000, 125000, 125000,
	125000, 125000, 125000, 125000, 125000, 125000,	125000
};

/* OMAP36XX data */
const struct ti_bandgap_data omap36xx_data = {
	.features = TI_BANDGAP_FEATURE_CLK_CTRL | TI_BANDGAP_FEATURE_UNRELIABLE,
	.fclock_name = "ts_fck",
	.div_ck_name = "ts_fck",
	.conv_table = omap36xx_adc_to_temp,
	.adc_start_val = 0,
	.adc_end_val = 127,
	.expose_sensor = ti_thermal_expose_sensor,
	.remove_sensor = ti_thermal_remove_sensor,

	.sensors = {
		{
		.registers = &omap36xx_mpu_temp_sensor_registers,
		.ts_data = &omap36xx_mpu_temp_sensor_data,
		.domain = "cpu",
		.slope_pcb = 0,
		.constant_pcb = 20000,
		.register_cooling = NULL,
		.unregister_cooling = NULL,
		},
	},
	.sensor_count = 1,
};
Commit	Line	Data
9c92ab61	1	// SPDX-License-Identifier: GPL-2.0-only
9c5c87e5 PM	2	/*
	3	* OMAP3 thermal driver.
	4	*
	5	* Copyright (C) 2011-2012 Texas Instruments Inc.
	6	* Copyright (C) 2014 Pavel Machek <[email protected]>
	7	*
9c5c87e5 PM	8	* Note
	9	* http://www.ti.com/lit/er/sprz278f/sprz278f.pdf "Advisory
	10	* 3.1.1.186 MMC OCP Clock Not Gated When Thermal Sensor Is Used"
	11	*
	12	* Also TI says:
	13	* Just be careful when you try to make thermal policy like decisions
	14	* based on this sensor. Placement of the sensor w.r.t the actual logic
	15	* generating heat has to be a factor as well. If you are just looking
	16	* for an approximation temperature (thermometerish kind), you might be
	17	* ok with this. I am not sure we'd find any TI data around this.. just a
	18	* heads up.
	19	*/
	20
	21	#include "ti-thermal.h"
	22	#include "ti-bandgap.h"
	23
	24	/*
	25	* OMAP34XX has one instance of thermal sensor for MPU
	26	* need to describe the individual bit fields
	27	*/
	28	static struct temp_sensor_registers
	29	omap34xx_mpu_temp_sensor_registers = {
	30	.temp_sensor_ctrl = 0,
	31	.bgap_soc_mask = BIT(8),
	32	.bgap_eocz_mask = BIT(7),
	33	.bgap_dtemp_mask = 0x7f,
	34
	35	.bgap_mode_ctrl = 0,
	36	.mode_ctrl_mask = BIT(9),
	37	};
	38
	39	/* Thresholds and limits for OMAP34XX MPU temperature sensor */
	40	static struct temp_sensor_data omap34xx_mpu_temp_sensor_data = {
	41	.min_freq = 32768,
	42	.max_freq = 32768,
9c5c87e5 PM	43	};
	44
	45	/*
	46	* Temperature values in milli degree celsius
	47	*/
	48	static const int
	49	omap34xx_adc_to_temp[128] = {
	50	-40000, -40000, -40000, -40000, -40000, -39000, -38000, -36000,
	51	-34000, -32000, -31000, -29000, -28000, -26000, -25000, -24000,
	52	-22000, -21000, -19000, -18000, -17000, -15000, -14000, -12000,
	53	-11000, -9000, -8000, -7000, -5000, -4000, -2000, -1000, 0000,
	54	1000, 3000, 4000, 5000, 7000, 8000, 10000, 11000, 13000, 14000,
	55	15000, 17000, 18000, 20000, 21000, 22000, 24000, 25000, 27000,
	56	28000, 30000, 31000, 32000, 34000, 35000, 37000, 38000, 39000,
	57	41000, 42000, 44000, 45000, 47000, 48000, 49000, 51000, 52000,
	58	53000, 55000, 56000, 58000, 59000, 60000, 62000, 63000, 65000,
	59	66000, 67000, 69000, 70000, 72000, 73000, 74000, 76000, 77000,
	60	79000, 80000, 81000, 83000, 84000, 85000, 87000, 88000, 89000,
	61	91000, 92000, 94000, 95000, 96000, 98000, 99000, 100000,
	62	102000, 103000, 105000, 106000, 107000, 109000, 110000, 111000,
	63	113000, 114000, 116000, 117000, 118000, 120000, 121000, 122000,
	64	124000, 124000, 125000, 125000, 125000, 125000, 125000
	65	};
	66
	67	/* OMAP34XX data */
	68	const struct ti_bandgap_data omap34xx_data = {
	69	.features = TI_BANDGAP_FEATURE_CLK_CTRL \| TI_BANDGAP_FEATURE_UNRELIABLE,
	70	.fclock_name = "ts_fck",
	71	.div_ck_name = "ts_fck",
	72	.conv_table = omap34xx_adc_to_temp,
	73	.adc_start_val = 0,
	74	.adc_end_val = 127,
	75	.expose_sensor = ti_thermal_expose_sensor,
	76	.remove_sensor = ti_thermal_remove_sensor,
	77
	78	.sensors = {
	79	{
	80	.registers = &omap34xx_mpu_temp_sensor_registers,
	81	.ts_data = &omap34xx_mpu_temp_sensor_data,
	82	.domain = "cpu",
9c5c87e5 PM	83	.slope_pcb = 0,
	84	.constant_pcb = 20000,
	85	.register_cooling = NULL,
	86	.unregister_cooling = NULL,
	87	},
	88	},
	89	.sensor_count = 1,
	90	};
b840b6e6 EV	91
	92	/*
	93	* OMAP36XX has one instance of thermal sensor for MPU
	94	* need to describe the individual bit fields
	95	*/
	96	static struct temp_sensor_registers
	97	omap36xx_mpu_temp_sensor_registers = {
	98	.temp_sensor_ctrl = 0,
	99	.bgap_soc_mask = BIT(9),
	100	.bgap_eocz_mask = BIT(8),
	101	.bgap_dtemp_mask = 0xFF,
	102
	103	.bgap_mode_ctrl = 0,
	104	.mode_ctrl_mask = BIT(10),
	105	};
	106
	107	/* Thresholds and limits for OMAP36XX MPU temperature sensor */
	108	static struct temp_sensor_data omap36xx_mpu_temp_sensor_data = {
	109	.min_freq = 32768,
	110	.max_freq = 32768,
b840b6e6 EV	111	};
	112
	113	/*
	114	* Temperature values in milli degree celsius
	115	*/
	116	static const int
	117	omap36xx_adc_to_temp[128] = {
	118	-40000, -40000, -40000, -40000, -40000, -40000, -40000, -40000,
	119	-40000, -40000, -40000, -40000, -40000, -38000, -35000, -34000,
	120	-32000, -30000, -28000, -26000, -24000, -22000, -20000, -18500,
	121	-17000, -15000, -13500, -12000, -10000, -8000, -6500, -5000, -3500,
	122	-1500, 0, 2000, 3500, 5000, 6500, 8500, 10000, 12000, 13500,
	123	15000, 17000, 19000, 21000, 23000, 25000, 27000, 28500, 30000,
	124	32000, 33500, 35000, 37000, 38500, 40000, 42000, 43500, 45000,
	125	47000, 48500, 50000, 52000, 53500, 55000, 57000, 58500, 60000,
	126	62000, 64000, 66000, 68000, 70000, 71500, 73500, 75000, 77000,
	127	78500, 80000, 82000, 83500, 85000, 87000, 88500, 90000, 92000,
	128	93500, 95000, 97000, 98500, 100000, 102000, 103500, 105000, 107000,
	129	109000, 111000, 113000, 115000, 117000, 118500, 120000, 122000,
	130	123500, 125000, 125000, 125000, 125000, 125000, 125000, 125000,
	131	125000, 125000, 125000, 125000, 125000, 125000, 125000, 125000,
	132	125000, 125000, 125000, 125000, 125000, 125000, 125000
	133	};
	134
	135	/* OMAP36XX data */
	136	const struct ti_bandgap_data omap36xx_data = {
	137	.features = TI_BANDGAP_FEATURE_CLK_CTRL \| TI_BANDGAP_FEATURE_UNRELIABLE,
	138	.fclock_name = "ts_fck",
	139	.div_ck_name = "ts_fck",
	140	.conv_table = omap36xx_adc_to_temp,
	141	.adc_start_val = 0,
	142	.adc_end_val = 127,
	143	.expose_sensor = ti_thermal_expose_sensor,
	144	.remove_sensor = ti_thermal_remove_sensor,
	145
	146	.sensors = {
	147	{
	148	.registers = &omap36xx_mpu_temp_sensor_registers,
	149	.ts_data = &omap36xx_mpu_temp_sensor_data,
	150	.domain = "cpu",
b840b6e6 EV	151	.slope_pcb = 0,
	152	.constant_pcb = 20000,
	153	.register_cooling = NULL,
	154	.unregister_cooling = NULL,
	155	},
	156	},
	157	.sensor_count = 1,
	158	};