2  * Copyright (c) 2020-2023 IoT.bzh
4  * SPDX-License-Identifier: Apache-2.0
14 #include <zephyr/drivers/gpio.h>
19 #include <zephyr/drivers/gpio/gpio_utils.h>
25 	((const struct gpio_rcar_cfg *)(_dev)->config)
26 #define DEV_DATA(_dev) ((struct gpio_rcar_data *)(_dev)->data)
83 	struct gpio_rcar_data *data = dev->data;  in gpio_rcar_port_isr()
91 		fsb = find_lsb_set(pending) - 1;  in gpio_rcar_port_isr()
92 		gpio_fire_callbacks(&data->cb, dev, BIT(fsb));  in gpio_rcar_port_isr()
99 	uint32_t gpio,  in gpio_rcar_config_general_input_output_mode()  argument
102 	/* follow steps in the GPIO documentation for  in gpio_rcar_config_general_input_output_mode()
108 	gpio_rcar_modify_bit(dev, POSNEG, gpio, false);  in gpio_rcar_config_general_input_output_mode()
112 	gpio_rcar_modify_bit(dev, INEN, gpio, !output);  in gpio_rcar_config_general_input_output_mode()
116 	gpio_rcar_modify_bit(dev, IOINTSEL, gpio, false);  in gpio_rcar_config_general_input_output_mode()
119 	gpio_rcar_modify_bit(dev, INOUTSEL, gpio, output);  in gpio_rcar_config_general_input_output_mode()
123 		gpio_rcar_modify_bit(dev, OUTDTSEL, gpio, false);  in gpio_rcar_config_general_input_output_mode()
132 		return -ENOTSUP;  in gpio_rcar_configure()
135 		return -ENOTSUP;  in gpio_rcar_configure()
214 		return -ENOTSUP;  in gpio_rcar_pin_interrupt_configure()
251 	const struct gpio_rcar_cfg *config = dev->config;  in gpio_rcar_init()
254 	if (!device_is_ready(config->clock_dev)) {  in gpio_rcar_init()
255 		return -ENODEV;  in gpio_rcar_init()
258 	ret = clock_control_on(config->clock_dev,  in gpio_rcar_init()
259 			       (clock_control_subsys_t) &config->mod_clk);  in gpio_rcar_init()
266 	config->init_func(dev);  in gpio_rcar_init()
274 	struct gpio_rcar_data *data = dev->data;  in gpio_rcar_manage_callback()
276 	return gpio_manage_callback(&data->cb, callback, set);  in gpio_rcar_manage_callback()
279 static DEVICE_API(gpio, gpio_rcar_driver_api) = {
291 #define GPIO_RCAR_INIT(n)					      \  argument
292 	static void gpio_rcar_##n##_init(const struct device *dev);   \
293 	static const struct gpio_rcar_cfg gpio_rcar_cfg_##n = {	      \
294 		DEVICE_MMIO_NAMED_ROM_INIT(reg_base, DT_DRV_INST(n)), \
297 				GPIO_PORT_PIN_MASK_FROM_DT_INST(n),   \
299 		.init_func = gpio_rcar_##n##_init,		      \
300 		.clock_dev = DEVICE_DT_GET(DT_INST_CLOCKS_CTLR(n)),   \
302 			DT_INST_CLOCKS_CELL_BY_IDX(n, 0, module),     \
304 			DT_INST_CLOCKS_CELL_BY_IDX(n, 0, domain),     \
306 	static struct gpio_rcar_data gpio_rcar_data_##n;	      \
308 	DEVICE_DT_INST_DEFINE(n,				      \
311 			      &gpio_rcar_data_##n,		      \
312 			      &gpio_rcar_cfg_##n,		      \
317 	static void gpio_rcar_##n##_init(const struct device *dev)    \
319 		IRQ_CONNECT(DT_INST_IRQN(n),			      \
322 			    DEVICE_DT_INST_GET(n), 0);		      \
324 		irq_enable(DT_INST_IRQN(n));			      \