3  * SPDX-License-Identifier: Apache-2.0
11 #include <zephyr/drivers/regulator.h>
12 #include <zephyr/dt-bindings/regulator/npm6001.h>
17 /* nPM6001 voltage sources */
27 /* nPM6001 regulator related registers */
53 /* nPM6001 LDO0VOUT values */
61 /* nPM6001 BUCKXCONFPWMMODE fields */
66 /* nPM6001 OVERRIDEPWRUPBUCK fields */
105 		return -EINVAL;  in regulator_npm6001_ldo0_list_voltage()
117 	const struct regulator_npm6001_config *config = dev->config;  in regulator_npm6001_buck012_set_voltage()
123 	if (ret == -EINVAL) {  in regulator_npm6001_buck012_set_voltage()
128 	ret = i2c_reg_read_byte_dt(&config->i2c, conf_reg, &conf);  in regulator_npm6001_buck012_set_voltage()
134 		ret = i2c_reg_write_byte_dt(&config->i2c, conf_reg,  in regulator_npm6001_buck012_set_voltage()
146 	ret = i2c_write_dt(&config->i2c, buf, sizeof(buf));  in regulator_npm6001_buck012_set_voltage()
151 	ret = i2c_reg_write_byte_dt(&config->i2c, NPM6001_TASKS_UPDATE_VOUTPWM, 1U);  in regulator_npm6001_buck012_set_voltage()
158 		ret = i2c_reg_write_byte_dt(&config->i2c, conf_reg, conf);  in regulator_npm6001_buck012_set_voltage()
170 	const struct regulator_npm6001_config *config = dev->config;  in regulator_npm6001_buck3_set_voltage()
176 	if (ret == -EINVAL) {  in regulator_npm6001_buck3_set_voltage()
181 	ret = i2c_reg_read_byte_dt(&config->i2c, NPM6001_BUCK3CONFPWMMODE, &conf);  in regulator_npm6001_buck3_set_voltage()
187 		ret = i2c_reg_write_byte_dt(&config->i2c, NPM6001_BUCK3CONFPWMMODE,  in regulator_npm6001_buck3_set_voltage()
194 	ret = i2c_reg_write_byte_dt(&config->i2c, NPM6001_BUCK3VOUT, (uint8_t)idx);  in regulator_npm6001_buck3_set_voltage()
201 		ret = i2c_reg_write_byte_dt(&config->i2c, NPM6001_BUCK3CONFPWMMODE, conf);  in regulator_npm6001_buck3_set_voltage()
213 	const struct regulator_npm6001_config *config = dev->config;  in regulator_npm6001_ldo0_set_voltage()
225 		return -EINVAL;  in regulator_npm6001_ldo0_set_voltage()
228 	return i2c_reg_write_byte_dt(&config->i2c, NPM6001_LDO0VOUT, val);  in regulator_npm6001_ldo0_set_voltage()
235 	const struct regulator_npm6001_config *config = dev->config;  in regulator_npm6001_buck0123_get_voltage()
239 	ret = i2c_reg_read_byte_dt(&config->i2c, vout_reg, &idx);  in regulator_npm6001_buck0123_get_voltage()
249 	const struct regulator_npm6001_config *config = dev->config;  in regulator_npm6001_ldo0_get_voltage()
253 	ret = i2c_reg_read_byte_dt(&config->i2c, NPM6001_LDO0VOUT, &val);  in regulator_npm6001_ldo0_get_voltage()
267 	return -EINVAL;  in regulator_npm6001_ldo0_get_voltage()
272 	const struct regulator_npm6001_config *config = dev->config;  in regulator_npm6001_count_voltages()
274 	switch (config->source) {  in regulator_npm6001_count_voltages()
297 	const struct regulator_npm6001_config *config = dev->config;  in regulator_npm6001_list_voltage()
299 	switch (config->source) {  in regulator_npm6001_list_voltage()
322 	const struct regulator_npm6001_config *config = dev->config;  in regulator_npm6001_set_voltage()
324 	switch (config->source) {  in regulator_npm6001_set_voltage()
343 			return -EINVAL;  in regulator_npm6001_set_voltage()
355 	const struct regulator_npm6001_config *config = dev->config;  in regulator_npm6001_get_voltage()
357 	switch (config->source) {  in regulator_npm6001_get_voltage()
384 	const struct regulator_npm6001_config *config = dev->config;  in regulator_npm6001_set_mode()
388 		return -ENOTSUP;  in regulator_npm6001_set_mode()
391 	switch (config->source) {  in regulator_npm6001_set_mode()
405 		return -ENOTSUP;  in regulator_npm6001_set_mode()
408 	return i2c_reg_update_byte_dt(&config->i2c, conf_reg,  in regulator_npm6001_set_mode()
415 	const struct regulator_npm6001_config *config = dev->config;  in regulator_npm6001_get_mode()
419 	switch (config->source) {  in regulator_npm6001_get_mode()
433 		return -ENOTSUP;  in regulator_npm6001_get_mode()
436 	ret = i2c_reg_read_byte_dt(&config->i2c, conf_reg, &conf);  in regulator_npm6001_get_mode()
449 	const struct regulator_npm6001_config *config = dev->config;  in regulator_npm6001_enable()
451 	switch (config->source) {  in regulator_npm6001_enable()
453 		return i2c_reg_update_byte_dt(&config->i2c, NPM6001_OVERRIDEPWRUPBUCK,  in regulator_npm6001_enable()
456 		return i2c_reg_update_byte_dt(&config->i2c, NPM6001_OVERRIDEPWRUPBUCK,  in regulator_npm6001_enable()
459 		return i2c_reg_write_byte_dt(&config->i2c, NPM6001_TASKS_START_BUCK3, 1U);  in regulator_npm6001_enable()
461 		return i2c_reg_write_byte_dt(&config->i2c, NPM6001_TASKS_START_LDO0, 1U);  in regulator_npm6001_enable()
463 		return i2c_reg_write_byte_dt(&config->i2c, NPM6001_TASKS_START_LDO1, 1U);  in regulator_npm6001_enable()
471 	const struct regulator_npm6001_config *config = dev->config;  in regulator_npm6001_disable()
473 	switch (config->source) {  in regulator_npm6001_disable()
475 		return i2c_reg_update_byte_dt(&config->i2c, NPM6001_OVERRIDEPWRUPBUCK,  in regulator_npm6001_disable()
479 		return i2c_reg_update_byte_dt(&config->i2c, NPM6001_OVERRIDEPWRUPBUCK,  in regulator_npm6001_disable()
483 		return i2c_reg_write_byte_dt(&config->i2c, NPM6001_TASKS_STOP_BUCK3, 1U);  in regulator_npm6001_disable()
485 		return i2c_reg_write_byte_dt(&config->i2c, NPM6001_TASKS_STOP_LDO0, 1U);  in regulator_npm6001_disable()
487 		return i2c_reg_write_byte_dt(&config->i2c, NPM6001_TASKS_STOP_LDO1, 1U);  in regulator_npm6001_disable()
496 	const struct regulator_npm6001_config *config = dev->config;  in regulator_npm6001_get_error_flags()
503 	ret = i2c_reg_read_byte_dt(&config->i2c, NPM6001_EVENTS_THWARN, &val);  in regulator_npm6001_get_error_flags()
510 		ret = i2c_reg_write_byte_dt(&config->i2c, NPM6001_EVENTS_THWARN, 0U);  in regulator_npm6001_get_error_flags()
519 	switch (config->source) {  in regulator_npm6001_get_error_flags()
536 	ret = i2c_reg_read_byte_dt(&config->i2c, oc_reg, &val);  in regulator_npm6001_get_error_flags()
543 		ret = i2c_reg_write_byte_dt(&config->i2c, oc_reg, 0U);  in regulator_npm6001_get_error_flags()
556 	const struct regulator_npm6001_config *config = dev->config;  in regulator_npm6001_init()
561 	if (!i2c_is_ready_dt(&config->i2c)) {  in regulator_npm6001_init()
562 		return -ENODEV;  in regulator_npm6001_init()
566 	is_enabled = (config->source == NPM6001_SOURCE_BUCK1) ||  in regulator_npm6001_init()
567 		     (config->source == NPM6001_SOURCE_BUCK2);  in regulator_npm6001_init()
572 static DEVICE_API(regulator, api) = {