Lines Matching +full:chip +full:- +full:id
1 // SPDX-License-Identifier: GPL-2.0+
3 // da9211-regulator.c - Regulator device driver for DA9211/DA9212
20 #include <dt-bindings/regulator/dlg,da9211-regulator.h>
21 #include "da9211-regulator.h"
119 int id = rdev_get_id(rdev); in da9211_buck_get_mode() local
120 struct da9211 *chip = rdev_get_drvdata(rdev); in da9211_buck_get_mode() local
124 ret = regmap_read(chip->regmap, DA9211_REG_BUCKA_CONF+id, &data); in da9211_buck_get_mode()
146 int id = rdev_get_id(rdev); in da9211_buck_set_mode() local
147 struct da9211 *chip = rdev_get_drvdata(rdev); in da9211_buck_set_mode() local
162 return regmap_update_bits(chip->regmap, DA9211_REG_BUCKA_CONF+id, in da9211_buck_set_mode()
169 int id = rdev_get_id(rdev); in da9211_set_current_limit() local
170 struct da9211 *chip = rdev_get_drvdata(rdev); in da9211_set_current_limit() local
174 switch (chip->chip_id) { in da9211_set_current_limit()
177 max_size = ARRAY_SIZE(da9211_current_limits)-1; in da9211_set_current_limit()
181 max_size = ARRAY_SIZE(da9213_current_limits)-1; in da9211_set_current_limit()
185 max_size = ARRAY_SIZE(da9215_current_limits)-1; in da9211_set_current_limit()
188 return -EINVAL; in da9211_set_current_limit()
192 for (i = max_size; i >= 0; i--) { in da9211_set_current_limit()
195 return regmap_update_bits(chip->regmap, in da9211_set_current_limit()
197 (0x0F << id*4), (i << id*4)); in da9211_set_current_limit()
201 return -EINVAL; in da9211_set_current_limit()
206 int id = rdev_get_id(rdev); in da9211_get_current_limit() local
207 struct da9211 *chip = rdev_get_drvdata(rdev); in da9211_get_current_limit() local
212 switch (chip->chip_id) { in da9211_get_current_limit()
223 return -EINVAL; in da9211_get_current_limit()
226 ret = regmap_read(chip->regmap, DA9211_REG_BUCK_ILIM, &data); in da9211_get_current_limit()
233 data = (data >> id*4) & 0x0F; in da9211_get_current_limit()
255 .id = DA9211_ID_##_id,\
256 .n_voltages = (DA9211_MAX_MV - DA9211_MIN_MV) / DA9211_STEP_MV + 1,\
291 node = of_get_child_by_name(dev->of_node, "regulators"); in da9211_parse_regulators_dt()
294 return ERR_PTR(-ENODEV); in da9211_parse_regulators_dt()
302 return ERR_PTR(-EINVAL); in da9211_parse_regulators_dt()
307 return ERR_PTR(-ENOMEM); in da9211_parse_regulators_dt()
309 pdata->num_buck = num; in da9211_parse_regulators_dt()
316 pdata->init_data[n] = da9211_matches[i].init_data; in da9211_parse_regulators_dt()
317 pdata->reg_node[n] = da9211_matches[i].of_node; in da9211_parse_regulators_dt()
318 pdata->gpiod_ren[n] = devm_fwnode_gpiod_get(dev, in da9211_parse_regulators_dt()
319 of_fwnode_handle(pdata->reg_node[n]), in da9211_parse_regulators_dt()
323 "da9211-enable"); in da9211_parse_regulators_dt()
324 if (IS_ERR(pdata->gpiod_ren[n])) in da9211_parse_regulators_dt()
325 pdata->gpiod_ren[n] = NULL; in da9211_parse_regulators_dt()
335 return ERR_PTR(-ENODEV); in da9211_parse_regulators_dt()
341 struct da9211 *chip = data; in da9211_irq_handler() local
344 err = regmap_read(chip->regmap, DA9211_REG_EVENT_B, ®_val); in da9211_irq_handler()
349 regulator_notifier_call_chain(chip->rdev[0], in da9211_irq_handler()
352 err = regmap_write(chip->regmap, DA9211_REG_EVENT_B, in da9211_irq_handler()
361 regulator_notifier_call_chain(chip->rdev[1], in da9211_irq_handler()
364 err = regmap_write(chip->regmap, DA9211_REG_EVENT_B, in da9211_irq_handler()
375 dev_err(chip->dev, "I2C error : %d\n", err); in da9211_irq_handler()
379 static int da9211_regulator_init(struct da9211 *chip) in da9211_regulator_init() argument
385 ret = regmap_read(chip->regmap, DA9211_REG_CONFIG_E, &data); in da9211_regulator_init()
387 dev_err(chip->dev, "Failed to read CONFIG_E reg: %d\n", ret); in da9211_regulator_init()
395 if (chip->pdata->num_buck == 1 && data == 0x00) in da9211_regulator_init()
396 chip->num_regulator = 1; in da9211_regulator_init()
397 else if (chip->pdata->num_buck == 2 && data != 0x00) in da9211_regulator_init()
398 chip->num_regulator = 2; in da9211_regulator_init()
400 dev_err(chip->dev, "Configuration is mismatched\n"); in da9211_regulator_init()
401 return -EINVAL; in da9211_regulator_init()
404 for (i = 0; i < chip->num_regulator; i++) { in da9211_regulator_init()
405 config.init_data = chip->pdata->init_data[i]; in da9211_regulator_init()
406 config.dev = chip->dev; in da9211_regulator_init()
407 config.driver_data = chip; in da9211_regulator_init()
408 config.regmap = chip->regmap; in da9211_regulator_init()
409 config.of_node = chip->pdata->reg_node[i]; in da9211_regulator_init()
411 if (chip->pdata->gpiod_ren[i]) in da9211_regulator_init()
412 config.ena_gpiod = chip->pdata->gpiod_ren[i]; in da9211_regulator_init()
421 devm_gpiod_unhinge(chip->dev, config.ena_gpiod); in da9211_regulator_init()
422 chip->rdev[i] = devm_regulator_register(chip->dev, in da9211_regulator_init()
424 if (IS_ERR(chip->rdev[i])) { in da9211_regulator_init()
425 dev_err(chip->dev, in da9211_regulator_init()
427 return PTR_ERR(chip->rdev[i]); in da9211_regulator_init()
430 if (chip->chip_irq != 0) { in da9211_regulator_init()
431 ret = regmap_update_bits(chip->regmap, in da9211_regulator_init()
434 dev_err(chip->dev, in da9211_regulator_init()
449 struct da9211 *chip; in da9211_i2c_probe() local
453 chip = devm_kzalloc(&i2c->dev, sizeof(struct da9211), GFP_KERNEL); in da9211_i2c_probe()
454 if (!chip) in da9211_i2c_probe()
455 return -ENOMEM; in da9211_i2c_probe()
457 chip->dev = &i2c->dev; in da9211_i2c_probe()
458 chip->regmap = devm_regmap_init_i2c(i2c, &da9211_regmap_config); in da9211_i2c_probe()
459 if (IS_ERR(chip->regmap)) { in da9211_i2c_probe()
460 error = PTR_ERR(chip->regmap); in da9211_i2c_probe()
461 dev_err(chip->dev, "Failed to allocate register map: %d\n", in da9211_i2c_probe()
466 i2c_set_clientdata(i2c, chip); in da9211_i2c_probe()
468 chip->pdata = i2c->dev.platform_data; in da9211_i2c_probe()
470 ret = regmap_read(chip->regmap, DA9211_REG_DEVICE_ID, &data); in da9211_i2c_probe()
472 dev_err(chip->dev, "Failed to read DEVICE_ID reg: %d\n", ret); in da9211_i2c_probe()
478 chip->chip_id = DA9211; in da9211_i2c_probe()
481 chip->chip_id = DA9213; in da9211_i2c_probe()
484 chip->chip_id = DA9215; in da9211_i2c_probe()
487 dev_err(chip->dev, "Unsupported device id = 0x%x.\n", data); in da9211_i2c_probe()
488 return -ENODEV; in da9211_i2c_probe()
491 if (!chip->pdata) in da9211_i2c_probe()
492 chip->pdata = da9211_parse_regulators_dt(chip->dev); in da9211_i2c_probe()
494 if (IS_ERR(chip->pdata)) { in da9211_i2c_probe()
495 dev_err(chip->dev, "No regulators defined for the platform\n"); in da9211_i2c_probe()
496 return PTR_ERR(chip->pdata); in da9211_i2c_probe()
499 chip->chip_irq = i2c->irq; in da9211_i2c_probe()
501 ret = da9211_regulator_init(chip); in da9211_i2c_probe()
503 dev_err(chip->dev, "Failed to initialize regulator: %d\n", ret); in da9211_i2c_probe()
507 if (chip->chip_irq != 0) { in da9211_i2c_probe()
508 ret = devm_request_threaded_irq(chip->dev, chip->chip_irq, NULL, in da9211_i2c_probe()
511 "da9211", chip); in da9211_i2c_probe()
513 dev_err(chip->dev, "Failed to request IRQ: %d\n", in da9211_i2c_probe()
514 chip->chip_irq); in da9211_i2c_probe()
518 dev_warn(chip->dev, "No IRQ configured\n"); in da9211_i2c_probe()