4  * SPDX-License-Identifier: Apache-2.0
15 #include <zephyr/drivers/gpio.h>
16 #include <zephyr/drivers/gpio/gpio_utils.h>
24 	/* RT1718S chip device */
32 	/* GPIO callback list */
34 	/* lock GPIO registers access */
38 /* GPIO api functions */
41 	const struct gpio_rt1718s_port_config *const config = dev->config;  in gpio_rt1718s_pin_config()
42 	struct gpio_rt1718s_port_data *const data = dev->data;  in gpio_rt1718s_pin_config()
48 		return -ENOTSUP;  in gpio_rt1718s_pin_config()
53 		return -ENOTSUP;  in gpio_rt1718s_pin_config()
56 	/* RT1718S has 3 GPIOs so check range */  in gpio_rt1718s_pin_config()
58 		return -EINVAL;  in gpio_rt1718s_pin_config()
64 		/* Set pull-high/low input */  in gpio_rt1718s_pin_config()
72 		/* Set GPIO as output */  in gpio_rt1718s_pin_config()
75 		/* Set push-pull or open-drain */  in gpio_rt1718s_pin_config()
86 	k_sem_take(&data->lock, K_FOREVER);  in gpio_rt1718s_pin_config()
87 	ret = rt1718s_reg_write_byte(config->rt1718s_dev, RT1718S_REG_GPIO_CTRL(pin), new_reg);  in gpio_rt1718s_pin_config()
88 	k_sem_give(&data->lock);  in gpio_rt1718s_pin_config()
95 	const struct gpio_rt1718s_port_config *const config = dev->config;  in gpio_rt1718s_port_get_raw()
99 	ret = rt1718s_reg_read_byte(config->rt1718s_dev, RT1718S_REG_RT_ST8, &reg);  in gpio_rt1718s_port_get_raw()
109 	const struct gpio_rt1718s_port_config *const config = dev->config;  in gpio_rt1718s_port_set_masked_raw()
110 	struct gpio_rt1718s_port_data *const data = dev->data;  in gpio_rt1718s_port_set_masked_raw()
114 	k_sem_take(&data->lock, K_FOREVER);  in gpio_rt1718s_port_set_masked_raw()
118 			ret = rt1718s_reg_read_byte(config->rt1718s_dev, RT1718S_REG_GPIO_CTRL(pin),  in gpio_rt1718s_port_set_masked_raw()
129 			ret = rt1718s_reg_update(config->rt1718s_dev, RT1718S_REG_GPIO_CTRL(pin),  in gpio_rt1718s_port_set_masked_raw()
134 	k_sem_give(&data->lock);  in gpio_rt1718s_port_set_masked_raw()
141 	const struct gpio_rt1718s_port_config *const config = dev->config;  in gpio_rt1718s_port_set_bits_raw()
142 	struct gpio_rt1718s_port_data *const data = dev->data;  in gpio_rt1718s_port_set_bits_raw()
146 	k_sem_take(&data->lock, K_FOREVER);  in gpio_rt1718s_port_set_bits_raw()
150 			ret = rt1718s_reg_read_byte(config->rt1718s_dev, RT1718S_REG_GPIO_CTRL(pin),  in gpio_rt1718s_port_set_bits_raw()
156 			ret = rt1718s_reg_update(config->rt1718s_dev, RT1718S_REG_GPIO_CTRL(pin),  in gpio_rt1718s_port_set_bits_raw()
161 	k_sem_give(&data->lock);  in gpio_rt1718s_port_set_bits_raw()
168 	const struct gpio_rt1718s_port_config *const config = dev->config;  in gpio_rt1718s_port_clear_bits_raw()
169 	struct gpio_rt1718s_port_data *const data = dev->data;  in gpio_rt1718s_port_clear_bits_raw()
173 	k_sem_take(&data->lock, K_FOREVER);  in gpio_rt1718s_port_clear_bits_raw()
177 			ret = rt1718s_reg_read_byte(config->rt1718s_dev, RT1718S_REG_GPIO_CTRL(pin),  in gpio_rt1718s_port_clear_bits_raw()
183 			ret = rt1718s_reg_update(config->rt1718s_dev, RT1718S_REG_GPIO_CTRL(pin),  in gpio_rt1718s_port_clear_bits_raw()
188 	k_sem_give(&data->lock);  in gpio_rt1718s_port_clear_bits_raw()
195 	const struct gpio_rt1718s_port_config *const config = dev->config;  in gpio_rt1718s_port_toggle_bits()
196 	struct gpio_rt1718s_port_data *const data = dev->data;  in gpio_rt1718s_port_toggle_bits()
200 	k_sem_take(&data->lock, K_FOREVER);  in gpio_rt1718s_port_toggle_bits()
204 			ret = rt1718s_reg_read_byte(config->rt1718s_dev, RT1718S_REG_GPIO_CTRL(pin),  in gpio_rt1718s_port_toggle_bits()
210 			ret = rt1718s_reg_update(config->rt1718s_dev, RT1718S_REG_GPIO_CTRL(pin),  in gpio_rt1718s_port_toggle_bits()
215 	k_sem_give(&data->lock);  in gpio_rt1718s_port_toggle_bits()
223 	const struct gpio_rt1718s_port_config *const config = dev->config;  in gpio_rt1718s_pin_interrupt_configure()
224 	struct gpio_rt1718s_port_data *const data = dev->data;  in gpio_rt1718s_pin_interrupt_configure()
225 	struct rt1718s_data *const data_rt1718s = config->rt1718s_dev->data;  in gpio_rt1718s_pin_interrupt_configure()
233 		return -ENOTSUP;  in gpio_rt1718s_pin_interrupt_configure()
236 	k_sem_take(&data->lock, K_FOREVER);  in gpio_rt1718s_pin_interrupt_configure()
237 	k_sem_take(&data_rt1718s->lock_tcpci, K_FOREVER);  in gpio_rt1718s_pin_interrupt_configure()
239 	ret = rt1718s_reg_read_byte(config->rt1718s_dev, RT1718S_REG_RT_MASK8, &reg_mask8);  in gpio_rt1718s_pin_interrupt_configure()
244 	/* Disable GPIO interrupt */  in gpio_rt1718s_pin_interrupt_configure()
259 			ret = -EINVAL;  in gpio_rt1718s_pin_interrupt_configure()
263 		ret = rt1718s_reg_burst_read(config->rt1718s_dev, RT1718S_REG_ALERT_MASK,  in gpio_rt1718s_pin_interrupt_configure()
269 		/* Enable Vendor Defined Alert for GPIO interrupts */  in gpio_rt1718s_pin_interrupt_configure()
272 			ret = rt1718s_reg_burst_write(config->rt1718s_dev, RT1718S_REG_ALERT_MASK,  in gpio_rt1718s_pin_interrupt_configure()
284 		rt1718s_reg_write_byte(config->rt1718s_dev, RT1718S_REG_RT_INT8, reg_int8);  in gpio_rt1718s_pin_interrupt_configure()
288 	ret = rt1718s_reg_update(config->rt1718s_dev, RT1718S_REG_RT_MASK8, reg_mask8,  in gpio_rt1718s_pin_interrupt_configure()
292 	k_sem_give(&data_rt1718s->lock_tcpci);  in gpio_rt1718s_pin_interrupt_configure()
293 	k_sem_give(&data->lock);  in gpio_rt1718s_pin_interrupt_configure()
301 	struct gpio_rt1718s_port_data *const data = dev->data;  in gpio_rt1718s_manage_callback()
303 	return gpio_manage_callback(&data->cb_list_gpio, callback, set);  in gpio_rt1718s_manage_callback()
308 	const struct rt1718s_config *const config = dev->config;  in rt1718s_gpio_alert_handler()
309 	struct gpio_rt1718s_port_data *const data_port = config->gpio_port_dev->data;  in rt1718s_gpio_alert_handler()
312 	k_sem_take(&data_port->lock, K_FOREVER);  in rt1718s_gpio_alert_handler()
314 	/* Get mask and state of GPIO interrupts */  in rt1718s_gpio_alert_handler()
317 		k_sem_give(&data_port->lock);  in rt1718s_gpio_alert_handler()
326 			k_sem_give(&data_port->lock);  in rt1718s_gpio_alert_handler()
332 	k_sem_give(&data_port->lock);  in rt1718s_gpio_alert_handler()
335 		/* Call the GPIO callbacks for rising *or* falling edge */  in rt1718s_gpio_alert_handler()
336 		gpio_fire_callbacks(&data_port->cb_list_gpio, config->gpio_port_dev,  in rt1718s_gpio_alert_handler()
341 static DEVICE_API(gpio, gpio_rt1718s_driver) = {
354 	const struct gpio_rt1718s_port_config *const config = dev->config;  in gpio_rt1718s_port_init()
355 	struct gpio_rt1718s_port_data *const data = dev->data;  in gpio_rt1718s_port_init()
357 	if (!device_is_ready(config->rt1718s_dev)) {  in gpio_rt1718s_port_init()
358 		LOG_ERR("%s is not ready", config->rt1718s_dev->name);  in gpio_rt1718s_port_init()
359 		return -ENODEV;  in gpio_rt1718s_port_init()
362 	k_sem_init(&data->lock, 1, 1);  in gpio_rt1718s_port_init()
367 /* RT1718S GPIO port driver must be initialized after RT1718S chip driver */