Lines Matching +full:lithium +full:- +full:ion
1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * tps65010 - driver for tps6501x power management chips
6 * Copyright (C) 2004-2005 David Brownell
28 /*-------------------------------------------------------------------------*/
38 /*-------------------------------------------------------------------------*/
41 * voltage regulators, lithium ion/polymer battery charging, GPIOs, LEDs,
48 * battery-insert != device-on.
85 /*-------------------------------------------------------------------------*/
185 struct tps65010 *tps = s->private; in dbg_show()
191 switch (tps->model) { in dbg_show()
201 mutex_lock(&tps->lock); in dbg_show()
207 seq_printf(s, "%scharging\n\n", tps->charging ? "" : "(not) "); in dbg_show()
213 value = i2c_smbus_read_byte_data(tps->client, TPS_CHGCONFIG); in dbg_show()
214 dbg_chgconf(tps->por, buf, sizeof buf, value); in dbg_show()
217 value = i2c_smbus_read_byte_data(tps->client, TPS_CHGSTATUS); in dbg_show()
220 value = i2c_smbus_read_byte_data(tps->client, TPS_MASK1); in dbg_show()
225 value = i2c_smbus_read_byte_data(tps->client, TPS_REGSTATUS); in dbg_show()
228 value = i2c_smbus_read_byte_data(tps->client, TPS_MASK2); in dbg_show()
233 queue_delayed_work(system_power_efficient_wq, &tps->work, in dbg_show()
237 value = i2c_smbus_read_byte_data(tps->client, TPS_VDCDC1); in dbg_show()
241 value = i2c_smbus_read_byte_data(tps->client, TPS_VDCDC2); in dbg_show()
245 value = i2c_smbus_read_byte_data(tps->client, TPS_VREGS1); in dbg_show()
250 value = i2c_smbus_read_byte_data(tps->client, TPS_LED1_ON); in dbg_show()
251 v2 = i2c_smbus_read_byte_data(tps->client, TPS_LED1_PER); in dbg_show()
259 value = i2c_smbus_read_byte_data(tps->client, TPS_LED2_ON); in dbg_show()
260 v2 = i2c_smbus_read_byte_data(tps->client, TPS_LED2_PER); in dbg_show()
268 value = i2c_smbus_read_byte_data(tps->client, TPS_DEFGPIO); in dbg_show()
269 v2 = i2c_smbus_read_byte_data(tps->client, TPS_MASK3); in dbg_show()
274 seq_printf(s, " gpio%d-out %s\n", i + 1, in dbg_show()
277 seq_printf(s, " gpio%d-in %s %s %s\n", i + 1, in dbg_show()
279 (v2 & (1 << i)) ? "no-irq" : "irq", in dbg_show()
283 mutex_unlock(&tps->lock); in dbg_show()
289 return single_open(file, dbg_show, inode->i_private); in dbg_tps_open()
305 /*-------------------------------------------------------------------------*/
318 if (tps->nmask2) { in tps65010_interrupt()
319 tmp = i2c_smbus_read_byte_data(tps->client, TPS_REGSTATUS); in tps65010_interrupt()
320 mask = tmp ^ tps->regstatus; in tps65010_interrupt()
321 tps->regstatus = tmp; in tps65010_interrupt()
322 mask &= tps->nmask2; in tps65010_interrupt()
326 tps->regstatus = tmp; in tps65010_interrupt()
345 if (tps->nmask1) { in tps65010_interrupt()
346 tmp = i2c_smbus_read_byte_data(tps->client, TPS_CHGSTATUS); in tps65010_interrupt()
347 mask = tmp ^ tps->chgstatus; in tps65010_interrupt()
348 tps->chgstatus = tmp; in tps65010_interrupt()
349 mask &= tps->nmask1; in tps65010_interrupt()
357 show_chgconfig(tps->por, "conf", tps->chgconf); in tps65010_interrupt()
363 if (!(tps->chgstatus & ~(TPS_CHG_USB|TPS_CHG_AC)) in tps65010_interrupt()
364 && (tps->chgstatus & (TPS_CHG_USB|TPS_CHG_AC)) in tps65010_interrupt()
365 && (tps->chgconf & TPS_CHARGE_ENABLE) in tps65010_interrupt()
367 if (tps->chgstatus & TPS_CHG_USB) { in tps65010_interrupt()
370 set_bit(FLAG_VBUS_CHANGED, &tps->flags); in tps65010_interrupt()
372 } else if (tps->chgstatus & TPS_CHG_AC) in tps65010_interrupt()
375 if (charging != tps->charging) { in tps65010_interrupt()
376 tps->charging = charging; in tps65010_interrupt()
379 ((tps->chgstatus & (TPS_CHG_USB|TPS_CHG_AC)) in tps65010_interrupt()
387 if ((tps->model != TPS65013 || !tps->charging) in tps65010_interrupt()
388 && (tps->chgstatus & (TPS_CHG_USB|TPS_CHG_AC))) in tps65010_interrupt()
391 queue_delayed_work(system_power_efficient_wq, &tps->work, in tps65010_interrupt()
394 /* also potentially gpio-in rise or fall */ in tps65010_interrupt()
403 mutex_lock(&tps->lock); in tps65010_work()
407 if (test_and_clear_bit(FLAG_VBUS_CHANGED, &tps->flags)) { in tps65010_work()
410 chgconfig = i2c_smbus_read_byte_data(tps->client, in tps65010_work()
413 if (tps->vbus == 500) in tps65010_work()
415 else if (tps->vbus >= 100) in tps65010_work()
418 i2c_smbus_write_byte_data(tps->client, in tps65010_work()
422 tmp = i2c_smbus_read_byte_data(tps->client, TPS_CHGCONFIG); in tps65010_work()
423 tps->chgconf = tmp; in tps65010_work()
424 show_chgconfig(tps->por, "update vbus", tmp); in tps65010_work()
427 if (test_and_clear_bit(FLAG_IRQ_ENABLE, &tps->flags)) in tps65010_work()
428 enable_irq(tps->client->irq); in tps65010_work()
430 mutex_unlock(&tps->lock); in tps65010_work()
438 set_bit(FLAG_IRQ_ENABLE, &tps->flags); in tps65010_irq()
439 queue_delayed_work(system_power_efficient_wq, &tps->work, 0); in tps65010_irq()
443 /*-------------------------------------------------------------------------*/
446 * offsets 4..5 == LED1/nPG, LED2 (we set one of the non-BLINK modes)
455 tps65010_set_led(offset - 3, value ? ON : OFF); in tps65010_gpio_set()
465 /* GPIOs may be input-only */ in tps65010_output()
470 if (!(tps->outmask & (1 << offset))) in tps65010_output()
471 return -EINVAL; in tps65010_output()
474 tps65010_set_led(offset - 3, value ? ON : OFF); in tps65010_output()
489 value = i2c_smbus_read_byte_data(tps->client, TPS_DEFGPIO); in tps65010_gpio_get()
503 /*-------------------------------------------------------------------------*/
510 struct tps65010_board *board = dev_get_platdata(&client->dev); in tps65010_remove()
512 if (board && board->teardown) in tps65010_remove()
513 board->teardown(client, &tps->chip); in tps65010_remove()
514 if (client->irq > 0) in tps65010_remove()
515 free_irq(client->irq, tps); in tps65010_remove()
516 cancel_delayed_work_sync(&tps->work); in tps65010_remove()
525 struct tps65010_board *board = dev_get_platdata(&client->dev); in tps65010_probe()
528 dev_dbg(&client->dev, "only one tps6501x chip allowed\n"); in tps65010_probe()
529 return -ENODEV; in tps65010_probe()
532 if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA)) in tps65010_probe()
533 return -EINVAL; in tps65010_probe()
535 tps = devm_kzalloc(&client->dev, sizeof(*tps), GFP_KERNEL); in tps65010_probe()
537 return -ENOMEM; in tps65010_probe()
539 mutex_init(&tps->lock); in tps65010_probe()
540 INIT_DELAYED_WORK(&tps->work, tps65010_work); in tps65010_probe()
541 tps->client = client; in tps65010_probe()
542 tps->model = id->driver_data; in tps65010_probe()
545 * so this driver uses falling-edge triggers instead. in tps65010_probe()
547 if (client->irq > 0) { in tps65010_probe()
548 status = request_irq(client->irq, tps65010_irq, in tps65010_probe()
552 dev_dbg(&client->dev, "can't get IRQ %d, err %d\n", in tps65010_probe()
553 client->irq, status); in tps65010_probe()
556 set_bit(FLAG_IRQ_ENABLE, &tps->flags); in tps65010_probe()
558 dev_warn(&client->dev, "IRQ not configured!\n"); in tps65010_probe()
561 switch (tps->model) { in tps65010_probe()
564 tps->por = 1; in tps65010_probe()
568 tps->chgconf = i2c_smbus_read_byte_data(client, TPS_CHGCONFIG); in tps65010_probe()
569 show_chgconfig(tps->por, "conf/init", tps->chgconf); in tps65010_probe()
592 tps->vbus = 100; in tps65010_probe()
599 tps->nmask1 = ~0; in tps65010_probe()
600 (void) i2c_smbus_write_byte_data(client, TPS_MASK1, ~tps->nmask1); in tps65010_probe()
602 tps->nmask2 = TPS_REG_ONOFF; in tps65010_probe()
603 if (tps->model == TPS65013) in tps65010_probe()
604 tps->nmask2 |= TPS_REG_NO_CHG; in tps65010_probe()
605 (void) i2c_smbus_write_byte_data(client, TPS_MASK2, ~tps->nmask2); in tps65010_probe()
610 tps65010_work(&tps->work.work); in tps65010_probe()
612 tps->file = debugfs_create_file(DRIVER_NAME, S_IRUGO, client->debugfs, in tps65010_probe()
617 tps->outmask = board->outmask; in tps65010_probe()
619 tps->chip.label = client->name; in tps65010_probe()
620 tps->chip.parent = &client->dev; in tps65010_probe()
621 tps->chip.owner = THIS_MODULE; in tps65010_probe()
623 tps->chip.set_rv = tps65010_gpio_set; in tps65010_probe()
624 tps->chip.direction_output = tps65010_output; in tps65010_probe()
627 tps->chip.get = tps65010_gpio_get; in tps65010_probe()
629 tps->chip.base = -1; in tps65010_probe()
630 tps->chip.ngpio = 7; in tps65010_probe()
631 tps->chip.can_sleep = 1; in tps65010_probe()
633 status = gpiochip_add_data(&tps->chip, tps); in tps65010_probe()
635 dev_err(&client->dev, "can't add gpiochip, err %d\n", in tps65010_probe()
637 else if (board->setup) { in tps65010_probe()
638 status = board->setup(client, &tps->chip); in tps65010_probe()
640 dev_dbg(&client->dev, in tps65010_probe()
642 "setup", client->name, status); in tps65010_probe()
670 /*-------------------------------------------------------------------------*/
673 * 0 mA -- DON'T DRAW (might supply power instead)
674 * 100 mA -- usb unit load (slowest charge rate)
675 * 500 mA -- usb high power (fast battery charge)
682 return -ENODEV; in tps65010_set_vbus_draw()
684 /* assumes non-SMP */ in tps65010_set_vbus_draw()
692 the_tps->vbus = mA; in tps65010_set_vbus_draw()
693 if ((the_tps->chgstatus & TPS_CHG_USB) in tps65010_set_vbus_draw()
695 FLAG_VBUS_CHANGED, &the_tps->flags)) { in tps65010_set_vbus_draw()
697 queue_delayed_work(system_power_efficient_wq, &the_tps->work, in tps65010_set_vbus_draw()
706 /*-------------------------------------------------------------------------*/
717 return -ENODEV; in tps65010_set_gpio_out_value()
719 return -EINVAL; in tps65010_set_gpio_out_value()
721 mutex_lock(&the_tps->lock); in tps65010_set_gpio_out_value()
723 defgpio = i2c_smbus_read_byte_data(the_tps->client, TPS_DEFGPIO); in tps65010_set_gpio_out_value()
731 defgpio |= 1 << (gpio - 1); /* set GPIO low by writing 1 */ in tps65010_set_gpio_out_value()
735 defgpio &= ~(1 << (gpio - 1)); /* set GPIO high by writing 0 */ in tps65010_set_gpio_out_value()
739 status = i2c_smbus_write_byte_data(the_tps->client, in tps65010_set_gpio_out_value()
744 i2c_smbus_read_byte_data(the_tps->client, TPS_DEFGPIO)); in tps65010_set_gpio_out_value()
746 mutex_unlock(&the_tps->lock); in tps65010_set_gpio_out_value()
751 /*-------------------------------------------------------------------------*/
762 return -ENODEV; in tps65010_set_led()
771 mutex_lock(&the_tps->lock); in tps65010_set_led()
774 i2c_smbus_read_byte_data(the_tps->client, in tps65010_set_led()
778 i2c_smbus_read_byte_data(the_tps->client, in tps65010_set_led()
797 mutex_unlock(&the_tps->lock); in tps65010_set_led()
798 return -EINVAL; in tps65010_set_led()
801 status = i2c_smbus_write_byte_data(the_tps->client, in tps65010_set_led()
807 mutex_unlock(&the_tps->lock); in tps65010_set_led()
812 i2c_smbus_read_byte_data(the_tps->client, TPS_LED1_ON + offs)); in tps65010_set_led()
814 status = i2c_smbus_write_byte_data(the_tps->client, in tps65010_set_led()
820 mutex_unlock(&the_tps->lock); in tps65010_set_led()
825 i2c_smbus_read_byte_data(the_tps->client, in tps65010_set_led()
828 mutex_unlock(&the_tps->lock); in tps65010_set_led()
834 /*-------------------------------------------------------------------------*/
844 return -ENODEV; in tps65010_set_vib()
846 mutex_lock(&the_tps->lock); in tps65010_set_vib()
848 vdcdc2 = i2c_smbus_read_byte_data(the_tps->client, TPS_VDCDC2); in tps65010_set_vib()
852 status = i2c_smbus_write_byte_data(the_tps->client, in tps65010_set_vib()
857 mutex_unlock(&the_tps->lock); in tps65010_set_vib()
862 /*-------------------------------------------------------------------------*/
872 return -ENODEV; in tps65010_set_low_pwr()
874 mutex_lock(&the_tps->lock); in tps65010_set_low_pwr()
878 i2c_smbus_read_byte_data(the_tps->client, TPS_VDCDC1)); in tps65010_set_low_pwr()
880 vdcdc1 = i2c_smbus_read_byte_data(the_tps->client, TPS_VDCDC1); in tps65010_set_low_pwr()
892 status = i2c_smbus_write_byte_data(the_tps->client, in tps65010_set_low_pwr()
900 i2c_smbus_read_byte_data(the_tps->client, TPS_VDCDC1)); in tps65010_set_low_pwr()
902 mutex_unlock(&the_tps->lock); in tps65010_set_low_pwr()
908 /*-------------------------------------------------------------------------*/
918 return -ENODEV; in tps65010_config_vregs1()
920 mutex_lock(&the_tps->lock); in tps65010_config_vregs1()
923 i2c_smbus_read_byte_data(the_tps->client, TPS_VREGS1)); in tps65010_config_vregs1()
925 status = i2c_smbus_write_byte_data(the_tps->client, in tps65010_config_vregs1()
933 i2c_smbus_read_byte_data(the_tps->client, TPS_VREGS1)); in tps65010_config_vregs1()
935 mutex_unlock(&the_tps->lock); in tps65010_config_vregs1()
947 return -ENODEV; in tps65010_config_vdcdc2()
949 c = the_tps->client; in tps65010_config_vdcdc2()
950 mutex_lock(&the_tps->lock); in tps65010_config_vdcdc2()
964 mutex_unlock(&the_tps->lock); in tps65010_config_vdcdc2()
969 /*-------------------------------------------------------------------------*/
982 if (!the_tps || the_tps->por) in tps65013_set_low_pwr()
983 return -ENODEV; in tps65013_set_low_pwr()
985 mutex_lock(&the_tps->lock); in tps65013_set_low_pwr()
990 i2c_smbus_read_byte_data(the_tps->client, TPS_CHGCONFIG), in tps65013_set_low_pwr()
991 i2c_smbus_read_byte_data(the_tps->client, TPS_VDCDC1)); in tps65013_set_low_pwr()
993 chgconfig = i2c_smbus_read_byte_data(the_tps->client, TPS_CHGCONFIG); in tps65013_set_low_pwr()
994 vdcdc1 = i2c_smbus_read_byte_data(the_tps->client, TPS_VDCDC1); in tps65013_set_low_pwr()
1008 status = i2c_smbus_write_byte_data(the_tps->client, in tps65013_set_low_pwr()
1013 mutex_unlock(&the_tps->lock); in tps65013_set_low_pwr()
1017 chgconfig = i2c_smbus_read_byte_data(the_tps->client, TPS_CHGCONFIG); in tps65013_set_low_pwr()
1018 the_tps->chgconf = chgconfig; in tps65013_set_low_pwr()
1021 status = i2c_smbus_write_byte_data(the_tps->client, in tps65013_set_low_pwr()
1029 i2c_smbus_read_byte_data(the_tps->client, TPS_VDCDC1)); in tps65013_set_low_pwr()
1031 mutex_unlock(&the_tps->lock); in tps65013_set_low_pwr()
1037 /*-------------------------------------------------------------------------*/
1045 * That is, much earlier than on PC-type systems, which don't often use