4  * SPDX-License-Identifier: Apache-2.0
13 #include <zephyr/dt-bindings/sensor/ina226.h>
40 	int16_t current;  member
58 /** @brief Calibration scaling value (scaled by 10^-5) */
61 /** @brief The LSB value for the bus voltage register, in microvolts/LSB. */
64 /** @brief The LSB value for the shunt voltage register, in microvolts/LSB. */
98 	val->val1 = value_microX / 1000000L;  in micro_s32_to_sensor_value()
99 	val->val2 = value_microX % 1000000L;  in micro_s32_to_sensor_value()
105 	const struct ina226_data *data = dev->data;  in ina226_channel_get()
106 	const struct ina226_config *config = dev->config;  in ina226_channel_get()
110 		micro_s32_to_sensor_value(val, INA226_BUS_VOLTAGE_TO_uV(data->bus_voltage));  in ina226_channel_get()
113 		/* see datasheet "Current and Power calculations" section */  in ina226_channel_get()
114 		micro_s32_to_sensor_value(val, data->current * config->current_lsb);  in ina226_channel_get()
119 			INA226_POWER_TO_uW((uint32_t)data->power * config->current_lsb));  in ina226_channel_get()
123 		micro_s32_to_sensor_value(val, INA226_SHUNT_VOLTAGE_TO_uV(data->shunt_voltage));  in ina226_channel_get()
127 		return -ENOTSUP;  in ina226_channel_get()
135 	struct ina226_data *data = dev->data;  in ina226_read_data()
136 	const struct ina226_config *config = dev->config;  in ina226_read_data()
139 	if ((data->chan == SENSOR_CHAN_ALL) || (data->chan == SENSOR_CHAN_VOLTAGE)) {  in ina226_read_data()
140 		ret = ina226_reg_read_16(&config->bus, INA226_REG_BUS_VOLT, &data->bus_voltage);  in ina226_read_data()
147 	if ((data->chan == SENSOR_CHAN_ALL) || (data->chan == SENSOR_CHAN_CURRENT)) {  in ina226_read_data()
148 		ret = ina226_reg_read_16(&config->bus, INA226_REG_CURRENT, &data->current);  in ina226_read_data()
150 			LOG_ERR("Failed to read current");  in ina226_read_data()
155 	if ((data->chan == SENSOR_CHAN_ALL) || (data->chan == SENSOR_CHAN_POWER)) {  in ina226_read_data()
156 		ret = ina226_reg_read_16(&config->bus, INA226_REG_POWER, &data->power);  in ina226_read_data()
164 	if ((data->chan == SENSOR_CHAN_ALL) || (data->chan == SENSOR_CHAN_VSHUNT)) {  in ina226_read_data()
165 		ret = ina226_reg_read_16(&config->bus, INA226_REG_SHUNT_VOLT, &data->shunt_voltage);  in ina226_read_data()
178 	struct ina226_data *data = dev->data;  in ina226_sample_fetch()
186 		return -ENOTSUP;  in ina226_sample_fetch()
189 	data->chan = chan;  in ina226_sample_fetch()
197 	const struct ina226_config *config = dev->config;  in ina226_attr_set()
198 	uint16_t data = val->val1;  in ina226_attr_set()
202 		return ina226_reg_write(&config->bus, INA226_REG_CONFIG, data);  in ina226_attr_set()
204 		return ina226_reg_write(&config->bus, INA226_REG_CALIB, data);  in ina226_attr_set()
207 		return -ENOTSUP;  in ina226_attr_set()
214 	const struct ina226_config *config = dev->config;  in ina226_attr_get()
220 		ret = ina226_reg_read_16(&config->bus, INA226_REG_CONFIG, &data);  in ina226_attr_get()
226 		ret = ina226_reg_read_16(&config->bus, INA226_REG_CALIB, &data);  in ina226_attr_get()
233 		return -ENOTSUP;  in ina226_attr_get()
236 	val->val1 = data;  in ina226_attr_get()
237 	val->val2 = 0;  in ina226_attr_get()
244 	const struct ina226_config *config = dev->config;  in ina226_calibrate()
247 	ret = ina226_reg_write(&config->bus, INA226_REG_CALIB, config->cal);  in ina226_calibrate()
257 	struct ina226_data *data = dev->data;  in ina226_init()
258 	const struct ina226_config *config = dev->config;  in ina226_init()
262 	if (!i2c_is_ready_dt(&config->bus)) {  in ina226_init()
263 		LOG_ERR("I2C bus %s is not ready", config->bus.bus->name);  in ina226_init()
264 		return -ENODEV;  in ina226_init()
267 	data->dev = dev;  in ina226_init()
269 	ret = ina226_reg_read_16(&config->bus, INA226_REG_MANUFACTURER_ID, &id);  in ina226_init()
277 		return -ENODEV;  in ina226_init()
280 	ret = ina226_reg_read_16(&config->bus, INA226_REG_DEVICE_ID, &id);  in ina226_init()
288 		return -ENODEV;  in ina226_init()
291 	ret = ina226_reg_write(&config->bus, INA226_REG_CONFIG, config->config);  in ina226_init()