2 * Copyright (c) 2014, Fuzhou Rockchip Electronics Co., Ltd
4 * Copyright (c) 2015, Fuzhou Rockchip Electronics Co., Ltd
5 * Caesar Wang <wxt@rock-chips.com>
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms and conditions of the GNU General Public License,
9 * version 2, as published by the Free Software Foundation.
11 * This program is distributed in the hope it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
17 #include <linux/clk.h>
18 #include <linux/delay.h>
19 #include <linux/interrupt.h>
21 #include <linux/module.h>
23 #include <linux/of_address.h>
24 #include <linux/of_irq.h>
25 #include <linux/platform_device.h>
26 #include <linux/reset.h>
27 #include <linux/thermal.h>
28 #include <linux/pinctrl/consumer.h>
31 * If the temperature over a period of time High,
32 * the resulting TSHUT gave CRU module,let it reset the entire chip,
33 * or via GPIO give PMIC.
41 * The system Temperature Sensors tshut(tshut) polarity
42 * the bit 8 is tshut polarity.
43 * 0: low active, 1: high active
51 * The system has two Temperature Sensors.
52 * sensor0 is for CPU, and sensor1 is for GPU.
60 * The conversion table has the adc value and temperature.
61 * ADC_DECREMENT: the adc value is of diminishing.(e.g. v2_code_table)
62 * ADC_INCREMENT: the adc value is incremental.(e.g. v3_code_table)
70 * The max sensors is two in rockchip SoCs.
71 * Two sensors: CPU and GPU sensor.
73 #define SOC_MAX_SENSORS 2
76 * struct chip_tsadc_table: hold information about chip-specific differences
77 * @id: conversion table
78 * @length: size of conversion table
79 * @data_mask: mask to apply on data inputs
80 * @mode: sort mode of this adc variant (incrementing or decrementing)
82 struct chip_tsadc_table {
83 const struct tsadc_table *id;
86 enum adc_sort_mode mode;
89 struct rockchip_tsadc_chip {
90 /* The sensor id of chip correspond to the ADC channel */
91 int chn_id[SOC_MAX_SENSORS];
94 /* The hardware-controlled tshut property */
96 enum tshut_mode tshut_mode;
97 enum tshut_polarity tshut_polarity;
99 /* Chip-wide methods */
100 void (*initialize)(void __iomem *reg, enum tshut_polarity p);
101 void (*irq_ack)(void __iomem *reg);
102 void (*control)(void __iomem *reg, bool on);
104 /* Per-sensor methods */
105 int (*get_temp)(struct chip_tsadc_table table,
106 int chn, void __iomem *reg, int *temp);
107 void (*set_tshut_temp)(struct chip_tsadc_table table,
108 int chn, void __iomem *reg, int temp);
109 void (*set_tshut_mode)(int chn, void __iomem *reg, enum tshut_mode m);
111 /* Per-table methods */
112 struct chip_tsadc_table table;
115 struct rockchip_thermal_sensor {
116 struct rockchip_thermal_data *thermal;
117 struct thermal_zone_device *tzd;
121 struct rockchip_thermal_data {
122 const struct rockchip_tsadc_chip *chip;
123 struct platform_device *pdev;
124 struct reset_control *reset;
126 struct rockchip_thermal_sensor sensors[SOC_MAX_SENSORS];
134 enum tshut_mode tshut_mode;
135 enum tshut_polarity tshut_polarity;
138 /* TSADC Sensor info define: */
139 #define TSADCV2_AUTO_CON 0x04
140 #define TSADCV2_INT_EN 0x08
141 #define TSADCV2_INT_PD 0x0c
142 #define TSADCV2_DATA(chn) (0x20 + (chn) * 0x04)
143 #define TSADCV2_COMP_SHUT(chn) (0x40 + (chn) * 0x04)
144 #define TSADCV2_HIGHT_INT_DEBOUNCE 0x60
145 #define TSADCV2_HIGHT_TSHUT_DEBOUNCE 0x64
146 #define TSADCV2_AUTO_PERIOD 0x68
147 #define TSADCV2_AUTO_PERIOD_HT 0x6c
149 #define TSADCV2_AUTO_EN BIT(0)
150 #define TSADCV2_AUTO_SRC_EN(chn) BIT(4 + (chn))
151 #define TSADCV2_AUTO_TSHUT_POLARITY_HIGH BIT(8)
153 #define TSADCV2_INT_SRC_EN(chn) BIT(chn)
154 #define TSADCV2_SHUT_2GPIO_SRC_EN(chn) BIT(4 + (chn))
155 #define TSADCV2_SHUT_2CRU_SRC_EN(chn) BIT(8 + (chn))
157 #define TSADCV1_INT_PD_CLEAR_MASK ~BIT(16)
158 #define TSADCV2_INT_PD_CLEAR_MASK ~BIT(8)
160 #define TSADCV2_DATA_MASK 0xfff
161 #define TSADCV3_DATA_MASK 0x3ff
163 #define TSADCV2_HIGHT_INT_DEBOUNCE_COUNT 4
164 #define TSADCV2_HIGHT_TSHUT_DEBOUNCE_COUNT 4
165 #define TSADCV2_AUTO_PERIOD_TIME 250 /* msec */
166 #define TSADCV2_AUTO_PERIOD_HT_TIME 50 /* msec */
175 * Code to Temperature mapping of the Temperature sensor is a piece wise linear
176 * curve.Any temperature, code faling between to 2 give temperatures can be
177 * linearly interpolated.
178 * Code to Temperature mapping should be updated based on sillcon results.
180 static const struct tsadc_table v1_code_table[] = {
181 {TSADCV3_DATA_MASK, -40000},
218 static const struct tsadc_table v2_code_table[] = {
219 {TSADCV2_DATA_MASK, -40000},
256 static const struct tsadc_table v3_code_table[] = {
292 {TSADCV3_DATA_MASK, 125000},
295 static u32 rk_tsadcv2_temp_to_code(struct chip_tsadc_table table,
301 high = table.length - 1;
302 mid = (high + low) / 2;
304 if (temp < table.id[low].temp || temp > table.id[high].temp)
307 while (low <= high) {
308 if (temp == table.id[mid].temp)
309 return table.id[mid].code;
310 else if (temp < table.id[mid].temp)
314 mid = (low + high) / 2;
320 static int rk_tsadcv2_code_to_temp(struct chip_tsadc_table table, u32 code,
323 unsigned int low = 1;
324 unsigned int high = table.length - 1;
325 unsigned int mid = (low + high) / 2;
329 WARN_ON(table.length < 2);
331 switch (table.mode) {
333 code &= table.data_mask;
334 if (code < table.id[high].code)
335 return -EAGAIN; /* Incorrect reading */
337 while (low <= high) {
338 if (code >= table.id[mid].code &&
339 code < table.id[mid - 1].code)
341 else if (code < table.id[mid].code)
346 mid = (low + high) / 2;
350 code &= table.data_mask;
351 if (code < table.id[low].code)
352 return -EAGAIN; /* Incorrect reading */
354 while (low <= high) {
355 if (code >= table.id[mid - 1].code &&
356 code < table.id[mid].code)
358 else if (code > table.id[mid].code)
363 mid = (low + high) / 2;
367 pr_err("Invalid the conversion table\n");
371 * The 5C granularity provided by the table is too much. Let's
372 * assume that the relationship between sensor readings and
373 * temperature between 2 table entries is linear and interpolate
374 * to produce less granular result.
376 num = table.id[mid].temp - table.id[mid - 1].temp;
377 num *= abs(table.id[mid - 1].code - code);
378 denom = abs(table.id[mid - 1].code - table.id[mid].code);
379 *temp = table.id[mid - 1].temp + (num / denom);
385 * rk_tsadcv2_initialize - initialize TASDC Controller.
387 * (1) Set TSADC_V2_AUTO_PERIOD:
388 * Configure the interleave between every two accessing of
389 * TSADC in normal operation.
391 * (2) Set TSADCV2_AUTO_PERIOD_HT:
392 * Configure the interleave between every two accessing of
393 * TSADC after the temperature is higher than COM_SHUT or COM_INT.
395 * (3) Set TSADCV2_HIGH_INT_DEBOUNCE and TSADC_HIGHT_TSHUT_DEBOUNCE:
396 * If the temperature is higher than COMP_INT or COMP_SHUT for
397 * "debounce" times, TSADC controller will generate interrupt or TSHUT.
399 static void rk_tsadcv2_initialize(void __iomem *regs,
400 enum tshut_polarity tshut_polarity)
402 if (tshut_polarity == TSHUT_HIGH_ACTIVE)
403 writel_relaxed(0U | TSADCV2_AUTO_TSHUT_POLARITY_HIGH,
404 regs + TSADCV2_AUTO_CON);
406 writel_relaxed(0U & ~TSADCV2_AUTO_TSHUT_POLARITY_HIGH,
407 regs + TSADCV2_AUTO_CON);
409 writel_relaxed(TSADCV2_AUTO_PERIOD_TIME, regs + TSADCV2_AUTO_PERIOD);
410 writel_relaxed(TSADCV2_HIGHT_INT_DEBOUNCE_COUNT,
411 regs + TSADCV2_HIGHT_INT_DEBOUNCE);
412 writel_relaxed(TSADCV2_AUTO_PERIOD_HT_TIME,
413 regs + TSADCV2_AUTO_PERIOD_HT);
414 writel_relaxed(TSADCV2_HIGHT_TSHUT_DEBOUNCE_COUNT,
415 regs + TSADCV2_HIGHT_TSHUT_DEBOUNCE);
418 static void rk_tsadcv1_irq_ack(void __iomem *regs)
422 val = readl_relaxed(regs + TSADCV2_INT_PD);
423 writel_relaxed(val & TSADCV1_INT_PD_CLEAR_MASK, regs + TSADCV2_INT_PD);
426 static void rk_tsadcv2_irq_ack(void __iomem *regs)
430 val = readl_relaxed(regs + TSADCV2_INT_PD);
431 writel_relaxed(val & TSADCV2_INT_PD_CLEAR_MASK, regs + TSADCV2_INT_PD);
434 static void rk_tsadcv2_control(void __iomem *regs, bool enable)
438 val = readl_relaxed(regs + TSADCV2_AUTO_CON);
440 val |= TSADCV2_AUTO_EN;
442 val &= ~TSADCV2_AUTO_EN;
444 writel_relaxed(val, regs + TSADCV2_AUTO_CON);
447 static int rk_tsadcv2_get_temp(struct chip_tsadc_table table,
448 int chn, void __iomem *regs, int *temp)
452 val = readl_relaxed(regs + TSADCV2_DATA(chn));
454 return rk_tsadcv2_code_to_temp(table, val, temp);
457 static void rk_tsadcv2_tshut_temp(struct chip_tsadc_table table,
458 int chn, void __iomem *regs, int temp)
460 u32 tshut_value, val;
462 tshut_value = rk_tsadcv2_temp_to_code(table, temp);
463 writel_relaxed(tshut_value, regs + TSADCV2_COMP_SHUT(chn));
465 /* TSHUT will be valid */
466 val = readl_relaxed(regs + TSADCV2_AUTO_CON);
467 writel_relaxed(val | TSADCV2_AUTO_SRC_EN(chn), regs + TSADCV2_AUTO_CON);
470 static void rk_tsadcv2_tshut_mode(int chn, void __iomem *regs,
471 enum tshut_mode mode)
475 val = readl_relaxed(regs + TSADCV2_INT_EN);
476 if (mode == TSHUT_MODE_GPIO) {
477 val &= ~TSADCV2_SHUT_2CRU_SRC_EN(chn);
478 val |= TSADCV2_SHUT_2GPIO_SRC_EN(chn);
480 val &= ~TSADCV2_SHUT_2GPIO_SRC_EN(chn);
481 val |= TSADCV2_SHUT_2CRU_SRC_EN(chn);
484 writel_relaxed(val, regs + TSADCV2_INT_EN);
487 static const struct rockchip_tsadc_chip rk3228_tsadc_data = {
488 .chn_id[SENSOR_CPU] = 0, /* cpu sensor is channel 0 */
489 .chn_num = 1, /* one channel for tsadc */
491 .tshut_mode = TSHUT_MODE_GPIO, /* default TSHUT via GPIO give PMIC */
492 .tshut_polarity = TSHUT_LOW_ACTIVE, /* default TSHUT LOW ACTIVE */
495 .initialize = rk_tsadcv2_initialize,
496 .irq_ack = rk_tsadcv1_irq_ack,
497 .control = rk_tsadcv2_control,
498 .get_temp = rk_tsadcv2_get_temp,
499 .set_tshut_temp = rk_tsadcv2_tshut_temp,
500 .set_tshut_mode = rk_tsadcv2_tshut_mode,
504 .length = ARRAY_SIZE(v1_code_table),
505 .data_mask = TSADCV3_DATA_MASK,
506 .mode = ADC_DECREMENT,
510 static const struct rockchip_tsadc_chip rk3288_tsadc_data = {
511 .chn_id[SENSOR_CPU] = 1, /* cpu sensor is channel 1 */
512 .chn_id[SENSOR_GPU] = 2, /* gpu sensor is channel 2 */
513 .chn_num = 2, /* two channels for tsadc */
515 .tshut_mode = TSHUT_MODE_GPIO, /* default TSHUT via GPIO give PMIC */
516 .tshut_polarity = TSHUT_LOW_ACTIVE, /* default TSHUT LOW ACTIVE */
519 .initialize = rk_tsadcv2_initialize,
520 .irq_ack = rk_tsadcv2_irq_ack,
521 .control = rk_tsadcv2_control,
522 .get_temp = rk_tsadcv2_get_temp,
523 .set_tshut_temp = rk_tsadcv2_tshut_temp,
524 .set_tshut_mode = rk_tsadcv2_tshut_mode,
528 .length = ARRAY_SIZE(v2_code_table),
529 .data_mask = TSADCV2_DATA_MASK,
530 .mode = ADC_DECREMENT,
534 static const struct rockchip_tsadc_chip rk3368_tsadc_data = {
535 .chn_id[SENSOR_CPU] = 0, /* cpu sensor is channel 0 */
536 .chn_id[SENSOR_GPU] = 1, /* gpu sensor is channel 1 */
537 .chn_num = 2, /* two channels for tsadc */
539 .tshut_mode = TSHUT_MODE_GPIO, /* default TSHUT via GPIO give PMIC */
540 .tshut_polarity = TSHUT_LOW_ACTIVE, /* default TSHUT LOW ACTIVE */
543 .initialize = rk_tsadcv2_initialize,
544 .irq_ack = rk_tsadcv2_irq_ack,
545 .control = rk_tsadcv2_control,
546 .get_temp = rk_tsadcv2_get_temp,
547 .set_tshut_temp = rk_tsadcv2_tshut_temp,
548 .set_tshut_mode = rk_tsadcv2_tshut_mode,
552 .length = ARRAY_SIZE(v3_code_table),
553 .data_mask = TSADCV3_DATA_MASK,
554 .mode = ADC_INCREMENT,
558 static const struct of_device_id of_rockchip_thermal_match[] = {
560 .compatible = "rockchip,rk3228-tsadc",
561 .data = (void *)&rk3228_tsadc_data,
564 .compatible = "rockchip,rk3288-tsadc",
565 .data = (void *)&rk3288_tsadc_data,
568 .compatible = "rockchip,rk3368-tsadc",
569 .data = (void *)&rk3368_tsadc_data,
573 MODULE_DEVICE_TABLE(of, of_rockchip_thermal_match);
576 rockchip_thermal_toggle_sensor(struct rockchip_thermal_sensor *sensor, bool on)
578 struct thermal_zone_device *tzd = sensor->tzd;
580 tzd->ops->set_mode(tzd,
581 on ? THERMAL_DEVICE_ENABLED : THERMAL_DEVICE_DISABLED);
584 static irqreturn_t rockchip_thermal_alarm_irq_thread(int irq, void *dev)
586 struct rockchip_thermal_data *thermal = dev;
589 dev_dbg(&thermal->pdev->dev, "thermal alarm\n");
591 thermal->chip->irq_ack(thermal->regs);
593 for (i = 0; i < thermal->chip->chn_num; i++)
594 thermal_zone_device_update(thermal->sensors[i].tzd);
599 static int rockchip_thermal_get_temp(void *_sensor, int *out_temp)
601 struct rockchip_thermal_sensor *sensor = _sensor;
602 struct rockchip_thermal_data *thermal = sensor->thermal;
603 const struct rockchip_tsadc_chip *tsadc = sensor->thermal->chip;
606 retval = tsadc->get_temp(tsadc->table,
607 sensor->id, thermal->regs, out_temp);
608 dev_dbg(&thermal->pdev->dev, "sensor %d - temp: %d, retval: %d\n",
609 sensor->id, *out_temp, retval);
614 static const struct thermal_zone_of_device_ops rockchip_of_thermal_ops = {
615 .get_temp = rockchip_thermal_get_temp,
618 static int rockchip_configure_from_dt(struct device *dev,
619 struct device_node *np,
620 struct rockchip_thermal_data *thermal)
622 u32 shut_temp, tshut_mode, tshut_polarity;
624 if (of_property_read_u32(np, "rockchip,hw-tshut-temp", &shut_temp)) {
626 "Missing tshut temp property, using default %d\n",
627 thermal->chip->tshut_temp);
628 thermal->tshut_temp = thermal->chip->tshut_temp;
630 thermal->tshut_temp = shut_temp;
633 if (thermal->tshut_temp > INT_MAX) {
634 dev_err(dev, "Invalid tshut temperature specified: %d\n",
635 thermal->tshut_temp);
639 if (of_property_read_u32(np, "rockchip,hw-tshut-mode", &tshut_mode)) {
641 "Missing tshut mode property, using default (%s)\n",
642 thermal->chip->tshut_mode == TSHUT_MODE_GPIO ?
644 thermal->tshut_mode = thermal->chip->tshut_mode;
646 thermal->tshut_mode = tshut_mode;
649 if (thermal->tshut_mode > 1) {
650 dev_err(dev, "Invalid tshut mode specified: %d\n",
651 thermal->tshut_mode);
655 if (of_property_read_u32(np, "rockchip,hw-tshut-polarity",
658 "Missing tshut-polarity property, using default (%s)\n",
659 thermal->chip->tshut_polarity == TSHUT_LOW_ACTIVE ?
661 thermal->tshut_polarity = thermal->chip->tshut_polarity;
663 thermal->tshut_polarity = tshut_polarity;
666 if (thermal->tshut_polarity > 1) {
667 dev_err(dev, "Invalid tshut-polarity specified: %d\n",
668 thermal->tshut_polarity);
676 rockchip_thermal_register_sensor(struct platform_device *pdev,
677 struct rockchip_thermal_data *thermal,
678 struct rockchip_thermal_sensor *sensor,
681 const struct rockchip_tsadc_chip *tsadc = thermal->chip;
684 tsadc->set_tshut_mode(id, thermal->regs, thermal->tshut_mode);
685 tsadc->set_tshut_temp(tsadc->table, id, thermal->regs,
686 thermal->tshut_temp);
688 sensor->thermal = thermal;
690 sensor->tzd = thermal_zone_of_sensor_register(&pdev->dev, id, sensor,
691 &rockchip_of_thermal_ops);
692 if (IS_ERR(sensor->tzd)) {
693 error = PTR_ERR(sensor->tzd);
694 dev_err(&pdev->dev, "failed to register sensor %d: %d\n",
703 * Reset TSADC Controller, reset all tsadc registers.
705 static void rockchip_thermal_reset_controller(struct reset_control *reset)
707 reset_control_assert(reset);
708 usleep_range(10, 20);
709 reset_control_deassert(reset);
712 static int rockchip_thermal_probe(struct platform_device *pdev)
714 struct device_node *np = pdev->dev.of_node;
715 struct rockchip_thermal_data *thermal;
716 const struct of_device_id *match;
717 struct resource *res;
722 match = of_match_node(of_rockchip_thermal_match, np);
726 irq = platform_get_irq(pdev, 0);
728 dev_err(&pdev->dev, "no irq resource?\n");
732 thermal = devm_kzalloc(&pdev->dev, sizeof(struct rockchip_thermal_data),
737 thermal->pdev = pdev;
739 thermal->chip = (const struct rockchip_tsadc_chip *)match->data;
743 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
744 thermal->regs = devm_ioremap_resource(&pdev->dev, res);
745 if (IS_ERR(thermal->regs))
746 return PTR_ERR(thermal->regs);
748 thermal->reset = devm_reset_control_get(&pdev->dev, "tsadc-apb");
749 if (IS_ERR(thermal->reset)) {
750 error = PTR_ERR(thermal->reset);
751 dev_err(&pdev->dev, "failed to get tsadc reset: %d\n", error);
755 thermal->clk = devm_clk_get(&pdev->dev, "tsadc");
756 if (IS_ERR(thermal->clk)) {
757 error = PTR_ERR(thermal->clk);
758 dev_err(&pdev->dev, "failed to get tsadc clock: %d\n", error);
762 thermal->pclk = devm_clk_get(&pdev->dev, "apb_pclk");
763 if (IS_ERR(thermal->pclk)) {
764 error = PTR_ERR(thermal->pclk);
765 dev_err(&pdev->dev, "failed to get apb_pclk clock: %d\n",
770 error = clk_prepare_enable(thermal->clk);
772 dev_err(&pdev->dev, "failed to enable converter clock: %d\n",
777 error = clk_prepare_enable(thermal->pclk);
779 dev_err(&pdev->dev, "failed to enable pclk: %d\n", error);
780 goto err_disable_clk;
783 rockchip_thermal_reset_controller(thermal->reset);
785 error = rockchip_configure_from_dt(&pdev->dev, np, thermal);
787 dev_err(&pdev->dev, "failed to parse device tree data: %d\n",
789 goto err_disable_pclk;
792 thermal->chip->initialize(thermal->regs, thermal->tshut_polarity);
794 for (i = 0; i < thermal->chip->chn_num; i++) {
795 error = rockchip_thermal_register_sensor(pdev, thermal,
796 &thermal->sensors[i],
797 thermal->chip->chn_id[i]);
800 "failed to register sensor[%d] : error = %d\n",
802 for (j = 0; j < i; j++)
803 thermal_zone_of_sensor_unregister(&pdev->dev,
804 thermal->sensors[j].tzd);
805 goto err_disable_pclk;
809 error = devm_request_threaded_irq(&pdev->dev, irq, NULL,
810 &rockchip_thermal_alarm_irq_thread,
812 "rockchip_thermal", thermal);
815 "failed to request tsadc irq: %d\n", error);
816 goto err_unregister_sensor;
819 thermal->chip->control(thermal->regs, true);
821 for (i = 0; i < thermal->chip->chn_num; i++)
822 rockchip_thermal_toggle_sensor(&thermal->sensors[i], true);
824 platform_set_drvdata(pdev, thermal);
828 err_unregister_sensor:
830 thermal_zone_of_sensor_unregister(&pdev->dev,
831 thermal->sensors[i].tzd);
834 clk_disable_unprepare(thermal->pclk);
836 clk_disable_unprepare(thermal->clk);
841 static int rockchip_thermal_remove(struct platform_device *pdev)
843 struct rockchip_thermal_data *thermal = platform_get_drvdata(pdev);
846 for (i = 0; i < thermal->chip->chn_num; i++) {
847 struct rockchip_thermal_sensor *sensor = &thermal->sensors[i];
849 rockchip_thermal_toggle_sensor(sensor, false);
850 thermal_zone_of_sensor_unregister(&pdev->dev, sensor->tzd);
853 thermal->chip->control(thermal->regs, false);
855 clk_disable_unprepare(thermal->pclk);
856 clk_disable_unprepare(thermal->clk);
861 static int __maybe_unused rockchip_thermal_suspend(struct device *dev)
863 struct platform_device *pdev = to_platform_device(dev);
864 struct rockchip_thermal_data *thermal = platform_get_drvdata(pdev);
867 for (i = 0; i < thermal->chip->chn_num; i++)
868 rockchip_thermal_toggle_sensor(&thermal->sensors[i], false);
870 thermal->chip->control(thermal->regs, false);
872 clk_disable(thermal->pclk);
873 clk_disable(thermal->clk);
875 pinctrl_pm_select_sleep_state(dev);
880 static int __maybe_unused rockchip_thermal_resume(struct device *dev)
882 struct platform_device *pdev = to_platform_device(dev);
883 struct rockchip_thermal_data *thermal = platform_get_drvdata(pdev);
887 error = clk_enable(thermal->clk);
891 error = clk_enable(thermal->pclk);
895 rockchip_thermal_reset_controller(thermal->reset);
897 thermal->chip->initialize(thermal->regs, thermal->tshut_polarity);
899 for (i = 0; i < thermal->chip->chn_num; i++) {
900 int id = thermal->sensors[i].id;
902 thermal->chip->set_tshut_mode(id, thermal->regs,
903 thermal->tshut_mode);
904 thermal->chip->set_tshut_temp(thermal->chip->table,
906 thermal->tshut_temp);
909 thermal->chip->control(thermal->regs, true);
911 for (i = 0; i < thermal->chip->chn_num; i++)
912 rockchip_thermal_toggle_sensor(&thermal->sensors[i], true);
914 pinctrl_pm_select_default_state(dev);
919 static SIMPLE_DEV_PM_OPS(rockchip_thermal_pm_ops,
920 rockchip_thermal_suspend, rockchip_thermal_resume);
922 static struct platform_driver rockchip_thermal_driver = {
924 .name = "rockchip-thermal",
925 .pm = &rockchip_thermal_pm_ops,
926 .of_match_table = of_rockchip_thermal_match,
928 .probe = rockchip_thermal_probe,
929 .remove = rockchip_thermal_remove,
932 module_platform_driver(rockchip_thermal_driver);
934 MODULE_DESCRIPTION("ROCKCHIP THERMAL Driver");
935 MODULE_AUTHOR("Rockchip, Inc.");
936 MODULE_LICENSE("GPL v2");
937 MODULE_ALIAS("platform:rockchip-thermal");