46 static int ti_bandgap_force_single_read(struct ti_bandgap *bgp, int id);
58 static u32 ti_bandgap_readl(struct ti_bandgap *bgp, u32 reg)  in ti_bandgap_readl()  argument
60 	return readl(bgp->base + reg);  in ti_bandgap_readl()
71 static void ti_bandgap_writel(struct ti_bandgap *bgp, u32 val, u32 reg)  in ti_bandgap_writel()  argument
73 	writel(val, bgp->base + reg);  in ti_bandgap_writel()
82 #define RMW_BITS(bgp, id, reg, mask, val)			\  argument
87 	t = bgp->conf->sensors[(id)].registers;		\
88 	r = ti_bandgap_readl(bgp, t->reg);			\
91 	ti_bandgap_writel(bgp, r, t->reg);			\
106 static int ti_bandgap_power(struct ti_bandgap *bgp, bool on)  in ti_bandgap_power()  argument
110 	if (!TI_BANDGAP_HAS(bgp, POWER_SWITCH))  in ti_bandgap_power()
113 	for (i = 0; i < bgp->conf->sensor_count; i++)  in ti_bandgap_power()
115 		RMW_BITS(bgp, i, temp_sensor_ctrl, bgap_tempsoff_mask, !on);  in ti_bandgap_power()
135 static u32 ti_errata814_bandgap_read_temp(struct ti_bandgap *bgp,  u32 reg)  in ti_errata814_bandgap_read_temp()  argument
139 	val1 = ti_bandgap_readl(bgp, reg);  in ti_errata814_bandgap_read_temp()
140 	val2 = ti_bandgap_readl(bgp, reg);  in ti_errata814_bandgap_read_temp()
147 	return ti_bandgap_readl(bgp, reg);  in ti_errata814_bandgap_read_temp()
162 static u32 ti_bandgap_read_temp(struct ti_bandgap *bgp, int id)  in ti_bandgap_read_temp()  argument
167 	tsr = bgp->conf->sensors[id].registers;  in ti_bandgap_read_temp()
170 	if (TI_BANDGAP_HAS(bgp, FREEZE_BIT)) {  in ti_bandgap_read_temp()
171 		RMW_BITS(bgp, id, bgap_mask_ctrl, mask_freeze_mask, 1);  in ti_bandgap_read_temp()
180 	if (TI_BANDGAP_HAS(bgp, ERRATA_814))  in ti_bandgap_read_temp()
181 		temp = ti_errata814_bandgap_read_temp(bgp, reg);  in ti_bandgap_read_temp()
183 		temp = ti_bandgap_readl(bgp, reg);  in ti_bandgap_read_temp()
187 	if (TI_BANDGAP_HAS(bgp, FREEZE_BIT))  in ti_bandgap_read_temp()
188 		RMW_BITS(bgp, id, bgap_mask_ctrl, mask_freeze_mask, 0);  in ti_bandgap_read_temp()
210 	struct ti_bandgap *bgp = data;  in ti_bandgap_talert_irq_handler()  local
215 	spin_lock(&bgp->lock);  in ti_bandgap_talert_irq_handler()
216 	for (i = 0; i < bgp->conf->sensor_count; i++) {  in ti_bandgap_talert_irq_handler()
217 		tsr = bgp->conf->sensors[i].registers;  in ti_bandgap_talert_irq_handler()
218 		ctrl = ti_bandgap_readl(bgp, tsr->bgap_status);  in ti_bandgap_talert_irq_handler()
229 		ctrl = ti_bandgap_readl(bgp, tsr->bgap_mask_ctrl);  in ti_bandgap_talert_irq_handler()
243 		ti_bandgap_writel(bgp, ctrl, tsr->bgap_mask_ctrl);  in ti_bandgap_talert_irq_handler()
245 		dev_dbg(bgp->dev,  in ti_bandgap_talert_irq_handler()
247 			__func__, bgp->conf->sensors[i].domain,  in ti_bandgap_talert_irq_handler()
251 		if (bgp->conf->report_temperature)  in ti_bandgap_talert_irq_handler()
252 			bgp->conf->report_temperature(bgp, i);  in ti_bandgap_talert_irq_handler()
254 	spin_unlock(&bgp->lock);  in ti_bandgap_talert_irq_handler()
296 int ti_bandgap_adc_to_mcelsius(struct ti_bandgap *bgp, int adc_val, int *t)  in ti_bandgap_adc_to_mcelsius()  argument
298 	const struct ti_bandgap_data *conf = bgp->conf;  in ti_bandgap_adc_to_mcelsius()
304 	*t = bgp->conf->conv_table[adc_val - conf->adc_start_val];  in ti_bandgap_adc_to_mcelsius()
319 static inline int ti_bandgap_validate(struct ti_bandgap *bgp, int id)  in ti_bandgap_validate()  argument
321 	if (!bgp || IS_ERR(bgp)) {  in ti_bandgap_validate()
326 	if ((id < 0) || (id >= bgp->conf->sensor_count)) {  in ti_bandgap_validate()
327 		dev_err(bgp->dev, "%s: sensor id out of range (%d)\n",  in ti_bandgap_validate()
341 static void ti_bandgap_read_counter(struct ti_bandgap *bgp, int id,  in ti_bandgap_read_counter()  argument
347 	tsr = bgp->conf->sensors[id].registers;  in ti_bandgap_read_counter()
348 	time = ti_bandgap_readl(bgp, tsr->bgap_counter);  in ti_bandgap_read_counter()
351 	time = time * 1000 / bgp->clk_rate;  in ti_bandgap_read_counter()
361 static void ti_bandgap_read_counter_delay(struct ti_bandgap *bgp, int id,  in ti_bandgap_read_counter_delay()  argument
367 	tsr = bgp->conf->sensors[id].registers;  in ti_bandgap_read_counter_delay()
369 	reg_val = ti_bandgap_readl(bgp, tsr->bgap_mask_ctrl);  in ti_bandgap_read_counter_delay()
392 		dev_warn(bgp->dev, "Wrong counter delay value read from register %X",  in ti_bandgap_read_counter_delay()
405 int ti_bandgap_read_update_interval(struct ti_bandgap *bgp, int id,  in ti_bandgap_read_update_interval()  argument
410 	ret = ti_bandgap_validate(bgp, id);  in ti_bandgap_read_update_interval()
414 	if (!TI_BANDGAP_HAS(bgp, COUNTER) &&  in ti_bandgap_read_update_interval()
415 	    !TI_BANDGAP_HAS(bgp, COUNTER_DELAY)) {  in ti_bandgap_read_update_interval()
420 	if (TI_BANDGAP_HAS(bgp, COUNTER)) {  in ti_bandgap_read_update_interval()
421 		ti_bandgap_read_counter(bgp, id, interval);  in ti_bandgap_read_update_interval()
425 	ti_bandgap_read_counter_delay(bgp, id, interval);  in ti_bandgap_read_update_interval()
438 static int ti_bandgap_write_counter_delay(struct ti_bandgap *bgp, int id,  in ti_bandgap_write_counter_delay()  argument
463 		dev_warn(bgp->dev, "Delay %d ms is not supported\n", interval);  in ti_bandgap_write_counter_delay()
467 	spin_lock(&bgp->lock);  in ti_bandgap_write_counter_delay()
468 	RMW_BITS(bgp, id, bgap_mask_ctrl, mask_counter_delay_mask, rval);  in ti_bandgap_write_counter_delay()
469 	spin_unlock(&bgp->lock);  in ti_bandgap_write_counter_delay()
480 static void ti_bandgap_write_counter(struct ti_bandgap *bgp, int id,  in ti_bandgap_write_counter()  argument
483 	interval = interval * bgp->clk_rate / 1000;  in ti_bandgap_write_counter()
484 	spin_lock(&bgp->lock);  in ti_bandgap_write_counter()
485 	RMW_BITS(bgp, id, bgap_counter, counter_mask, interval);  in ti_bandgap_write_counter()
486 	spin_unlock(&bgp->lock);  in ti_bandgap_write_counter()
497 int ti_bandgap_write_update_interval(struct ti_bandgap *bgp,  in ti_bandgap_write_update_interval()  argument
500 	int ret = ti_bandgap_validate(bgp, id);  in ti_bandgap_write_update_interval()
504 	if (!TI_BANDGAP_HAS(bgp, COUNTER) &&  in ti_bandgap_write_update_interval()
505 	    !TI_BANDGAP_HAS(bgp, COUNTER_DELAY)) {  in ti_bandgap_write_update_interval()
510 	if (TI_BANDGAP_HAS(bgp, COUNTER)) {  in ti_bandgap_write_update_interval()
511 		ti_bandgap_write_counter(bgp, id, interval);  in ti_bandgap_write_update_interval()
515 	ret = ti_bandgap_write_counter_delay(bgp, id, interval);  in ti_bandgap_write_update_interval()
528 int ti_bandgap_read_temperature(struct ti_bandgap *bgp, int id,  in ti_bandgap_read_temperature()  argument
534 	ret = ti_bandgap_validate(bgp, id);  in ti_bandgap_read_temperature()
538 	if (!TI_BANDGAP_HAS(bgp, MODE_CONFIG)) {  in ti_bandgap_read_temperature()
539 		ret = ti_bandgap_force_single_read(bgp, id);  in ti_bandgap_read_temperature()
544 	spin_lock(&bgp->lock);  in ti_bandgap_read_temperature()
545 	temp = ti_bandgap_read_temp(bgp, id);  in ti_bandgap_read_temperature()
546 	spin_unlock(&bgp->lock);  in ti_bandgap_read_temperature()
548 	ret = ti_bandgap_adc_to_mcelsius(bgp, temp, &temp);  in ti_bandgap_read_temperature()
566 int ti_bandgap_set_sensor_data(struct ti_bandgap *bgp, int id, void *data)  in ti_bandgap_set_sensor_data()  argument
568 	int ret = ti_bandgap_validate(bgp, id);  in ti_bandgap_set_sensor_data()
572 	bgp->regval[id].data = data;  in ti_bandgap_set_sensor_data()
585 void *ti_bandgap_get_sensor_data(struct ti_bandgap *bgp, int id)  in ti_bandgap_get_sensor_data()  argument
587 	int ret = ti_bandgap_validate(bgp, id);  in ti_bandgap_get_sensor_data()
591 	return bgp->regval[id].data;  in ti_bandgap_get_sensor_data()
607 ti_bandgap_force_single_read(struct ti_bandgap *bgp, int id)  in ti_bandgap_force_single_read()  argument
613 	if (TI_BANDGAP_HAS(bgp, MODE_CONFIG))  in ti_bandgap_force_single_read()
614 		RMW_BITS(bgp, id, bgap_mode_ctrl, mode_ctrl_mask, 0);  in ti_bandgap_force_single_read()
617 	RMW_BITS(bgp, id, temp_sensor_ctrl, bgap_soc_mask, 1);  in ti_bandgap_force_single_read()
620 	tsr = bgp->conf->sensors[id].registers;  in ti_bandgap_force_single_read()
623 		if (ti_bandgap_readl(bgp, tsr->temp_sensor_ctrl) &  in ti_bandgap_force_single_read()
629 	RMW_BITS(bgp, id, temp_sensor_ctrl, bgap_soc_mask, 0);  in ti_bandgap_force_single_read()
634 		if (!(ti_bandgap_readl(bgp, tsr->temp_sensor_ctrl) &  in ti_bandgap_force_single_read()
653 static int ti_bandgap_set_continuous_mode(struct ti_bandgap *bgp)  in ti_bandgap_set_continuous_mode()  argument
657 	for (i = 0; i < bgp->conf->sensor_count; i++) {  in ti_bandgap_set_continuous_mode()
659 		ti_bandgap_force_single_read(bgp, i);  in ti_bandgap_set_continuous_mode()
660 		RMW_BITS(bgp, i, bgap_mode_ctrl, mode_ctrl_mask, 1);  in ti_bandgap_set_continuous_mode()
681 int ti_bandgap_get_trend(struct ti_bandgap *bgp, int id, int *trend)  in ti_bandgap_get_trend()  argument
687 	ret = ti_bandgap_validate(bgp, id);  in ti_bandgap_get_trend()
691 	if (!TI_BANDGAP_HAS(bgp, HISTORY_BUFFER) ||  in ti_bandgap_get_trend()
692 	    !TI_BANDGAP_HAS(bgp, FREEZE_BIT)) {  in ti_bandgap_get_trend()
697 	spin_lock(&bgp->lock);  in ti_bandgap_get_trend()
699 	tsr = bgp->conf->sensors[id].registers;  in ti_bandgap_get_trend()
702 	RMW_BITS(bgp, id, bgap_mask_ctrl, mask_freeze_mask, 1);  in ti_bandgap_get_trend()
707 	temp1 = ti_bandgap_readl(bgp, reg1);  in ti_bandgap_get_trend()
710 	temp2 = ti_bandgap_readl(bgp, reg2);  in ti_bandgap_get_trend()
714 	ret = ti_bandgap_adc_to_mcelsius(bgp, temp1, &t1);  in ti_bandgap_get_trend()
718 	ret = ti_bandgap_adc_to_mcelsius(bgp, temp2, &t2);  in ti_bandgap_get_trend()
723 	ret = ti_bandgap_read_update_interval(bgp, id, &interval);  in ti_bandgap_get_trend()
733 	dev_dbg(bgp->dev, "The temperatures are t1 = %d and t2 = %d and trend =%d\n",  in ti_bandgap_get_trend()
737 	RMW_BITS(bgp, id, bgap_mask_ctrl, mask_freeze_mask, 0);  in ti_bandgap_get_trend()
738 	spin_unlock(&bgp->lock);  in ti_bandgap_get_trend()
757 static int ti_bandgap_tshut_init(struct ti_bandgap *bgp,  in ti_bandgap_tshut_init()  argument
760 	int gpio_nr = bgp->tshut_gpio;  in ti_bandgap_tshut_init()
766 		dev_err(bgp->dev, "Could not request for TSHUT GPIO:%i\n", 86);  in ti_bandgap_tshut_init()
771 		dev_err(bgp->dev, "Cannot set input TSHUT GPIO %d\n", gpio_nr);  in ti_bandgap_tshut_init()
779 		dev_err(bgp->dev, "request irq failed for TSHUT");  in ti_bandgap_tshut_init()
798 static int ti_bandgap_talert_init(struct ti_bandgap *bgp,  in ti_bandgap_talert_init()  argument
803 	bgp->irq = platform_get_irq(pdev, 0);  in ti_bandgap_talert_init()
804 	if (bgp->irq < 0) {  in ti_bandgap_talert_init()
806 		return bgp->irq;  in ti_bandgap_talert_init()
808 	ret = request_threaded_irq(bgp->irq, NULL,  in ti_bandgap_talert_init()
811 				   "talert", bgp);  in ti_bandgap_talert_init()
836 	struct ti_bandgap *bgp;  in ti_bandgap_build()  local
846 	bgp = devm_kzalloc(&pdev->dev, sizeof(*bgp), GFP_KERNEL);  in ti_bandgap_build()
847 	if (!bgp)  in ti_bandgap_build()
852 		bgp->conf = of_id->data;  in ti_bandgap_build()
855 	bgp->regval = devm_kcalloc(&pdev->dev, bgp->conf->sensor_count,  in ti_bandgap_build()
856 				   sizeof(*bgp->regval), GFP_KERNEL);  in ti_bandgap_build()
857 	if (!bgp->regval)  in ti_bandgap_build()
869 			bgp->base = chunk;  in ti_bandgap_build()
876 	if (TI_BANDGAP_HAS(bgp, TSHUT)) {  in ti_bandgap_build()
877 		bgp->tshut_gpio = of_get_gpio(node, 0);  in ti_bandgap_build()
878 		if (!gpio_is_valid(bgp->tshut_gpio)) {  in ti_bandgap_build()
880 				bgp->tshut_gpio);  in ti_bandgap_build()
885 	return bgp;  in ti_bandgap_build()
893 	struct ti_bandgap *bgp;  in ti_bandgap_probe()  local
896 	bgp = ti_bandgap_build(pdev);  in ti_bandgap_probe()
897 	if (IS_ERR(bgp)) {  in ti_bandgap_probe()
899 		return PTR_ERR(bgp);  in ti_bandgap_probe()
901 	bgp->dev = &pdev->dev;  in ti_bandgap_probe()
903 	if (TI_BANDGAP_HAS(bgp, UNRELIABLE))  in ti_bandgap_probe()
907 	if (TI_BANDGAP_HAS(bgp, TSHUT)) {  in ti_bandgap_probe()
908 		ret = ti_bandgap_tshut_init(bgp, pdev);  in ti_bandgap_probe()
916 	bgp->fclock = clk_get(NULL, bgp->conf->fclock_name);  in ti_bandgap_probe()
917 	if (IS_ERR(bgp->fclock)) {  in ti_bandgap_probe()
919 		ret = PTR_ERR(bgp->fclock);  in ti_bandgap_probe()
923 	bgp->div_clk = clk_get(NULL, bgp->conf->div_ck_name);  in ti_bandgap_probe()
924 	if (IS_ERR(bgp->div_clk)) {  in ti_bandgap_probe()
926 		ret = PTR_ERR(bgp->div_clk);  in ti_bandgap_probe()
930 	for (i = 0; i < bgp->conf->sensor_count; i++) {  in ti_bandgap_probe()
934 		tsr = bgp->conf->sensors[i].registers;  in ti_bandgap_probe()
940 		val = ti_bandgap_readl(bgp, tsr->bgap_efuse);  in ti_bandgap_probe()
946 	clk_rate = clk_round_rate(bgp->div_clk,  in ti_bandgap_probe()
947 				  bgp->conf->sensors[0].ts_data->max_freq);  in ti_bandgap_probe()
948 	if (clk_rate < bgp->conf->sensors[0].ts_data->min_freq ||  in ti_bandgap_probe()
955 	ret = clk_set_rate(bgp->div_clk, clk_rate);  in ti_bandgap_probe()
959 	bgp->clk_rate = clk_rate;  in ti_bandgap_probe()
960 	if (TI_BANDGAP_HAS(bgp, CLK_CTRL))  in ti_bandgap_probe()
961 		clk_prepare_enable(bgp->fclock);  in ti_bandgap_probe()
964 	spin_lock_init(&bgp->lock);  in ti_bandgap_probe()
965 	bgp->dev = &pdev->dev;  in ti_bandgap_probe()
966 	platform_set_drvdata(pdev, bgp);  in ti_bandgap_probe()
968 	ti_bandgap_power(bgp, true);  in ti_bandgap_probe()
971 	if (TI_BANDGAP_HAS(bgp, COUNTER))  in ti_bandgap_probe()
972 		for (i = 0; i < bgp->conf->sensor_count; i++)  in ti_bandgap_probe()
973 			RMW_BITS(bgp, i, bgap_counter, counter_mask, 1);  in ti_bandgap_probe()
976 	for (i = 0; i < bgp->conf->sensor_count; i++) {  in ti_bandgap_probe()
979 		ts_data = bgp->conf->sensors[i].ts_data;  in ti_bandgap_probe()
981 		if (TI_BANDGAP_HAS(bgp, TALERT)) {  in ti_bandgap_probe()
983 			RMW_BITS(bgp, i, bgap_threshold,  in ti_bandgap_probe()
985 			RMW_BITS(bgp, i, bgap_threshold,  in ti_bandgap_probe()
988 			RMW_BITS(bgp, i, bgap_mask_ctrl, mask_hot_mask, 1);  in ti_bandgap_probe()
989 			RMW_BITS(bgp, i, bgap_mask_ctrl, mask_cold_mask, 1);  in ti_bandgap_probe()
992 		if (TI_BANDGAP_HAS(bgp, TSHUT_CONFIG)) {  in ti_bandgap_probe()
994 			RMW_BITS(bgp, i, tshut_threshold,  in ti_bandgap_probe()
996 			RMW_BITS(bgp, i, tshut_threshold,  in ti_bandgap_probe()
1001 	if (TI_BANDGAP_HAS(bgp, MODE_CONFIG))  in ti_bandgap_probe()
1002 		ti_bandgap_set_continuous_mode(bgp);  in ti_bandgap_probe()
1005 	if (TI_BANDGAP_HAS(bgp, COUNTER))  in ti_bandgap_probe()
1006 		for (i = 0; i < bgp->conf->sensor_count; i++)  in ti_bandgap_probe()
1007 			RMW_BITS(bgp, i, bgap_counter, counter_mask,  in ti_bandgap_probe()
1008 				 bgp->clk_rate / 4);  in ti_bandgap_probe()
1011 	for (i = 0; i < bgp->conf->sensor_count; i++) {  in ti_bandgap_probe()
1014 		if (bgp->conf->sensors[i].register_cooling) {  in ti_bandgap_probe()
1015 			ret = bgp->conf->sensors[i].register_cooling(bgp, i);  in ti_bandgap_probe()
1020 		if (bgp->conf->expose_sensor) {  in ti_bandgap_probe()
1021 			domain = bgp->conf->sensors[i].domain;  in ti_bandgap_probe()
1022 			ret = bgp->conf->expose_sensor(bgp, i, domain);  in ti_bandgap_probe()
1033 	if (TI_BANDGAP_HAS(bgp, TALERT)) {  in ti_bandgap_probe()
1034 		ret = ti_bandgap_talert_init(bgp, pdev);  in ti_bandgap_probe()
1037 			i = bgp->conf->sensor_count;  in ti_bandgap_probe()
1045 	if (bgp->conf->sensors[i].unregister_cooling)  in ti_bandgap_probe()
1046 		bgp->conf->sensors[i].unregister_cooling(bgp, i);  in ti_bandgap_probe()
1049 		if (bgp->conf->sensors[i].unregister_cooling)  in ti_bandgap_probe()
1050 			bgp->conf->sensors[i].unregister_cooling(bgp, i);  in ti_bandgap_probe()
1051 		if (bgp->conf->remove_sensor)  in ti_bandgap_probe()
1052 			bgp->conf->remove_sensor(bgp, i);  in ti_bandgap_probe()
1054 	ti_bandgap_power(bgp, false);  in ti_bandgap_probe()
1056 	if (TI_BANDGAP_HAS(bgp, CLK_CTRL))  in ti_bandgap_probe()
1057 		clk_disable_unprepare(bgp->fclock);  in ti_bandgap_probe()
1059 	clk_put(bgp->div_clk);  in ti_bandgap_probe()
1061 	clk_put(bgp->fclock);  in ti_bandgap_probe()
1063 	if (TI_BANDGAP_HAS(bgp, TSHUT)) {  in ti_bandgap_probe()
1064 		free_irq(gpio_to_irq(bgp->tshut_gpio), NULL);  in ti_bandgap_probe()
1065 		gpio_free(bgp->tshut_gpio);  in ti_bandgap_probe()
1074 	struct ti_bandgap *bgp = platform_get_drvdata(pdev);  in ti_bandgap_remove()  local
1078 	for (i = 0; i < bgp->conf->sensor_count; i++) {  in ti_bandgap_remove()
1079 		if (bgp->conf->sensors[i].unregister_cooling)  in ti_bandgap_remove()
1080 			bgp->conf->sensors[i].unregister_cooling(bgp, i);  in ti_bandgap_remove()
1082 		if (bgp->conf->remove_sensor)  in ti_bandgap_remove()
1083 			bgp->conf->remove_sensor(bgp, i);  in ti_bandgap_remove()
1086 	ti_bandgap_power(bgp, false);  in ti_bandgap_remove()
1088 	if (TI_BANDGAP_HAS(bgp, CLK_CTRL))  in ti_bandgap_remove()
1089 		clk_disable_unprepare(bgp->fclock);  in ti_bandgap_remove()
1090 	clk_put(bgp->fclock);  in ti_bandgap_remove()
1091 	clk_put(bgp->div_clk);  in ti_bandgap_remove()
1093 	if (TI_BANDGAP_HAS(bgp, TALERT))  in ti_bandgap_remove()
1094 		free_irq(bgp->irq, bgp);  in ti_bandgap_remove()
1096 	if (TI_BANDGAP_HAS(bgp, TSHUT)) {  in ti_bandgap_remove()
1097 		free_irq(gpio_to_irq(bgp->tshut_gpio), NULL);  in ti_bandgap_remove()
1098 		gpio_free(bgp->tshut_gpio);  in ti_bandgap_remove()
1105 static int ti_bandgap_save_ctxt(struct ti_bandgap *bgp)  in ti_bandgap_save_ctxt()  argument
1109 	for (i = 0; i < bgp->conf->sensor_count; i++) {  in ti_bandgap_save_ctxt()
1113 		rval = &bgp->regval[i];  in ti_bandgap_save_ctxt()
1114 		tsr = bgp->conf->sensors[i].registers;  in ti_bandgap_save_ctxt()
1116 		if (TI_BANDGAP_HAS(bgp, MODE_CONFIG))  in ti_bandgap_save_ctxt()
1117 			rval->bg_mode_ctrl = ti_bandgap_readl(bgp,  in ti_bandgap_save_ctxt()
1119 		if (TI_BANDGAP_HAS(bgp, COUNTER))  in ti_bandgap_save_ctxt()
1120 			rval->bg_counter = ti_bandgap_readl(bgp,  in ti_bandgap_save_ctxt()
1122 		if (TI_BANDGAP_HAS(bgp, TALERT)) {  in ti_bandgap_save_ctxt()
1123 			rval->bg_threshold = ti_bandgap_readl(bgp,  in ti_bandgap_save_ctxt()
1125 			rval->bg_ctrl = ti_bandgap_readl(bgp,  in ti_bandgap_save_ctxt()
1129 		if (TI_BANDGAP_HAS(bgp, TSHUT_CONFIG))  in ti_bandgap_save_ctxt()
1130 			rval->tshut_threshold = ti_bandgap_readl(bgp,  in ti_bandgap_save_ctxt()
1137 static int ti_bandgap_restore_ctxt(struct ti_bandgap *bgp)  in ti_bandgap_restore_ctxt()  argument
1141 	for (i = 0; i < bgp->conf->sensor_count; i++) {  in ti_bandgap_restore_ctxt()
1146 		rval = &bgp->regval[i];  in ti_bandgap_restore_ctxt()
1147 		tsr = bgp->conf->sensors[i].registers;  in ti_bandgap_restore_ctxt()
1149 		if (TI_BANDGAP_HAS(bgp, COUNTER))  in ti_bandgap_restore_ctxt()
1150 			val = ti_bandgap_readl(bgp, tsr->bgap_counter);  in ti_bandgap_restore_ctxt()
1152 		if (TI_BANDGAP_HAS(bgp, TSHUT_CONFIG))  in ti_bandgap_restore_ctxt()
1153 			ti_bandgap_writel(bgp, rval->tshut_threshold,  in ti_bandgap_restore_ctxt()
1158 		ti_bandgap_force_single_read(bgp, i);  in ti_bandgap_restore_ctxt()
1160 		if (TI_BANDGAP_HAS(bgp, COUNTER))  in ti_bandgap_restore_ctxt()
1161 			ti_bandgap_writel(bgp, rval->bg_counter,  in ti_bandgap_restore_ctxt()
1163 		if (TI_BANDGAP_HAS(bgp, MODE_CONFIG))  in ti_bandgap_restore_ctxt()
1164 			ti_bandgap_writel(bgp, rval->bg_mode_ctrl,  in ti_bandgap_restore_ctxt()
1166 		if (TI_BANDGAP_HAS(bgp, TALERT)) {  in ti_bandgap_restore_ctxt()
1167 			ti_bandgap_writel(bgp, rval->bg_threshold,  in ti_bandgap_restore_ctxt()
1169 			ti_bandgap_writel(bgp, rval->bg_ctrl,  in ti_bandgap_restore_ctxt()
1179 	struct ti_bandgap *bgp = dev_get_drvdata(dev);  in ti_bandgap_suspend()  local
1182 	err = ti_bandgap_save_ctxt(bgp);  in ti_bandgap_suspend()
1183 	ti_bandgap_power(bgp, false);  in ti_bandgap_suspend()
1185 	if (TI_BANDGAP_HAS(bgp, CLK_CTRL))  in ti_bandgap_suspend()
1186 		clk_disable_unprepare(bgp->fclock);  in ti_bandgap_suspend()
1193 	struct ti_bandgap *bgp = dev_get_drvdata(dev);  in ti_bandgap_resume()  local
1195 	if (TI_BANDGAP_HAS(bgp, CLK_CTRL))  in ti_bandgap_resume()
1196 		clk_prepare_enable(bgp->fclock);  in ti_bandgap_resume()
1198 	ti_bandgap_power(bgp, true);  in ti_bandgap_resume()
1200 	return ti_bandgap_restore_ctxt(bgp);  in ti_bandgap_resume()