5  * SPDX-License-Identifier: Apache-2.0
24  * enabled lm75 devicetree node has the int-gpios property.
71 	const struct lm75_config *cfg = dev->config;  in lm75_reg_read()
73 	return i2c_burst_read_dt(&cfg->i2c, reg, buf, size);  in lm75_reg_read()
79 	const struct lm75_config *cfg = dev->config;  in lm75_reg_write()
81 	return i2c_burst_write_dt(&cfg->i2c, reg, buf, size);  in lm75_reg_write()
92 		return -EIO;  in lm75_temp_read()
110 	*temp = val->val1 * 10;  in lm75_sensor_value_to_temp()
111 	*temp += val->val2 / 100000U;  in lm75_sensor_value_to_temp()
113 	*temp = (*temp * 256) / 10;  in lm75_sensor_value_to_temp()
118 	/* shift right by 7, multiply by 10 to get 0.1° and divide by 2 to get °C */  in lm75_temp_to_sensor_value()
119 	temp = (temp / 128) * 10 / 2;  in lm75_temp_to_sensor_value()
122 	val->val1 = temp / 10;  in lm75_temp_to_sensor_value()
125 	val->val2 = (temp - val->val1 * 10) * 100000U;  in lm75_temp_to_sensor_value()
138 		return -ENOTSUP;  in lm75_attr_set()
149 		return -ENOTSUP;  in lm75_attr_set()
173 		return -ENOTSUP;  in lm75_attr_get()
184 		return -ENOTSUP;  in lm75_attr_get()
202 	const struct lm75_config *config = dev->config;  in lm75_trigger_set()
203 	struct lm75_data *data = dev->data;  in lm75_trigger_set()
209 	if (trig->type != SENSOR_TRIG_THRESHOLD || trig->chan != SENSOR_CHAN_AMBIENT_TEMP ||  in lm75_trigger_set()
210 	    config->int_gpio.port == NULL) {  in lm75_trigger_set()
211 		return -ENOTSUP;  in lm75_trigger_set()
220 	err = gpio_pin_interrupt_configure_dt(&config->int_gpio, flags);  in lm75_trigger_set()
226 	data->trigger = trig;  in lm75_trigger_set()
227 	data->trigger_handler = handler;  in lm75_trigger_set()
235 	sensor_trigger_handler_t handler = data->trigger_handler;  in lm75_trigger_work_handler()
238 		handler(data->dev, (struct sensor_trigger *)data->trigger);  in lm75_trigger_work_handler()
250 	k_work_submit_to_queue(&data->workq, &data->work);  in lm75_int_gpio_callback_handler()
256 	struct lm75_data *data = dev->data;  in lm75_fetch_temp()
263 		return -EIO;  in lm75_fetch_temp()
266 	data->temp = temp;  in lm75_fetch_temp()
278 		ret = -EIO;  in lm75_sample_fetch()
288 		ret = -ENOTSUP;  in lm75_sample_fetch()
298 	struct lm75_data *data = dev->data;  in lm75_channel_get()
302 		lm75_temp_to_sensor_value(data->temp, val);  in lm75_channel_get()
305 		return -ENOTSUP;  in lm75_channel_get()
321 	const struct lm75_config *cfg = dev->config;  in lm75_init()
324 	struct lm75_data *data = dev->data;  in lm75_init()
327 	if (!device_is_ready(cfg->i2c.bus)) {  in lm75_init()
329 		return -ENODEV;  in lm75_init()
336 	if (ret < 0 && ret != -ENOTSUP) {  in lm75_init()
342 	ret = lm75_reg_write(dev, LM75_REG_CONFIG, &cfg->config_dt.reg, sizeof(cfg->config_dt.reg));  in lm75_init()
352 	if (cfg->int_gpio.port != NULL) {  in lm75_init()
354 		data->dev = dev;  in lm75_init()
355 		k_work_queue_start(&data->workq, data->stack, K_THREAD_STACK_SIZEOF(data->stack),  in lm75_init()
357 		k_thread_name_set(&data->workq.thread, "lm75_trigger");  in lm75_init()
358 		k_work_init(&data->work, lm75_trigger_work_handler);  in lm75_init()
360 		if (!device_is_ready(cfg->int_gpio.port)) {  in lm75_init()
362 			return -EINVAL;  in lm75_init()
365 		ret = gpio_pin_configure_dt(&cfg->int_gpio, GPIO_INPUT);  in lm75_init()
371 		gpio_init_callback(&data->int_gpio_cb, lm75_int_gpio_callback_handler,  in lm75_init()
372 				   BIT(cfg->int_gpio.pin));  in lm75_init()
374 		ret = gpio_add_callback(cfg->int_gpio.port, &data->int_gpio_cb);  in lm75_init()
396 		return -ENOTSUP;  in lm75_pm_action()