4  * SPDX-License-Identifier: Apache-2.0
15 	const struct tcn75a_config *config = dev->config;  in tcn75a_trigger_set()
16 	struct tcn75a_data *data = dev->data;  in tcn75a_trigger_set()
19 	if (trig->type != SENSOR_TRIG_THRESHOLD) {  in tcn75a_trigger_set()
20 		return -ENOTSUP;  in tcn75a_trigger_set()
23 	if ((trig->chan != SENSOR_CHAN_ALL) && (trig->chan != SENSOR_CHAN_AMBIENT_TEMP)) {  in tcn75a_trigger_set()
24 		return -ENOTSUP;  in tcn75a_trigger_set()
27 	data->sensor_cb = handler;  in tcn75a_trigger_set()
28 	data->sensor_trig = trig;  in tcn75a_trigger_set()
33 	ret = i2c_reg_update_byte_dt(&config->i2c_spec, TCN75A_CONFIG_REG, TCN75A_CONFIG_INT_EN,  in tcn75a_trigger_set()
39 	ret = gpio_pin_interrupt_configure_dt(&config->alert_gpios, GPIO_INT_EDGE_TO_ACTIVE);  in tcn75a_trigger_set()
50 	const struct tcn75a_config *config = dev->config;  in tcn75a_attr_set()
54 		return -ENOTSUP;  in tcn75a_attr_set()
65 		return -ENOTSUP;  in tcn75a_attr_set()
69 	tx_buf[1] = (uint8_t)val->val1;  in tcn75a_attr_set()
70 	tx_buf[2] = TCN75A_SENSOR_TO_FIXED_PT(val->val2);  in tcn75a_attr_set()
72 	LOG_DBG("Writing 0x%02X to limit reg %s", *(uint16_t *)(tx_buf + 1),  in tcn75a_attr_set()
75 	return i2c_write_dt(&config->i2c_spec, tx_buf, 3);  in tcn75a_attr_set()
81 	const struct tcn75a_config *config = dev->config;  in tcn75a_attr_get()
84 	uint16_t limit, temp_lsb;  in tcn75a_attr_get()  local
88 		return -ENOTSUP;  in tcn75a_attr_get()
99 		return -ENOTSUP;  in tcn75a_attr_get()
102 	ret = i2c_write_read_dt(&config->i2c_spec, &config_reg, 1, rx_buf, 2);  in tcn75a_attr_get()
107 	limit = sys_get_be16(rx_buf);  in tcn75a_attr_get()
109 	LOG_DBG("Read 0x%02X from %s", limit, config_reg == TCN75A_THYST_REG ? "THYST" : "TSET");  in tcn75a_attr_get()
112 	val->val1 = limit >> TCN75A_TEMP_MSB_POS;  in tcn75a_attr_get()
113 	temp_lsb = (limit & TCN75A_TEMP_LSB_MASK);  in tcn75a_attr_get()
114 	val->val2 = TCN75A_FIXED_PT_TO_SENSOR(temp_lsb);  in tcn75a_attr_get()
121 	struct tcn75a_data *data = dev->data;  in tcn75a_handle_int()
126 	 * Reading from any register will de-assert the interrupt.  in tcn75a_handle_int()
129 	if (data->sensor_cb) {  in tcn75a_handle_int()
130 		data->sensor_cb(dev, data->sensor_trig);  in tcn75a_handle_int()
138 	const struct tcn75a_config *config = data->dev->config;  in tcn75a_gpio_callback()
140 	if ((pin_mask & BIT(config->alert_gpios.pin)) == 0U) {  in tcn75a_gpio_callback()
145 	k_sem_give(&data->trig_sem);  in tcn75a_gpio_callback()
147 	k_work_submit(&data->work);  in tcn75a_gpio_callback()
160 		k_sem_take(&data->trig_sem, K_FOREVER);  in tcn75a_thread_main()
161 		tcn75a_handle_int(data->dev);  in tcn75a_thread_main()
171 	tcn75a_handle_int(data->dev);  in tcn75a_work_handler()
177 	const struct tcn75a_config *config = dev->config;  in tcn75a_trigger_init()
178 	struct tcn75a_data *data = dev->data;  in tcn75a_trigger_init()
182 	data->dev = dev;  in tcn75a_trigger_init()
184 	if (!gpio_is_ready_dt(&config->alert_gpios)) {  in tcn75a_trigger_init()
185 		LOG_ERR("alert GPIO device is not ready");  in tcn75a_trigger_init()
186 		return -ENODEV;  in tcn75a_trigger_init()
189 	ret = gpio_pin_configure_dt(&config->alert_gpios, GPIO_INPUT);  in tcn75a_trigger_init()
194 	gpio_init_callback(&data->gpio_cb, tcn75a_gpio_callback, BIT(config->alert_gpios.pin));  in tcn75a_trigger_init()
196 	ret = gpio_add_callback(config->alert_gpios.port, &data->gpio_cb);  in tcn75a_trigger_init()
199 	k_sem_init(&data->trig_sem, 0, K_SEM_MAX_LIMIT);  in tcn75a_trigger_init()
200 	k_thread_create(&data->thread, data->thread_stack, CONFIG_TCN75A_THREAD_STACK_SIZE,  in tcn75a_trigger_init()
204 	data->work.handler = tcn75a_work_handler;  in tcn75a_trigger_init()