5  * SPDX-License-Identifier: Apache-2.0
13 #include <zephyr/dt-bindings/gpio/atmel-sam0-gpio.h>
47 	gpio_fire_callbacks(&data->callbacks, data->dev, pins);  in gpio_sam0_isr()
54 	const struct gpio_sam0_config *config = dev->config;  in gpio_sam0_config()
55 	struct gpio_sam0_data *data = dev->data;  in gpio_sam0_config()
56 	PortGroup *regs = config->regs;  in gpio_sam0_config()
58 		.reg = 0,  in gpio_sam0_config()
62 		return -ENOTSUP;  in gpio_sam0_config()
72 			return -ENOTSUP;  in gpio_sam0_config()
76 			regs->OUTCLR.reg = BIT(pin);  in gpio_sam0_config()
78 			regs->OUTSET.reg = BIT(pin);  in gpio_sam0_config()
80 		regs->DIRSET.reg = BIT(pin);  in gpio_sam0_config()
83 		regs->DIRCLR.reg = BIT(pin);  in gpio_sam0_config()
89 				regs->OUTSET.reg = BIT(pin);  in gpio_sam0_config()
91 				regs->OUTCLR.reg = BIT(pin);  in gpio_sam0_config()
97 	WRITE_BIT(data->debounce, pin,  in gpio_sam0_config()
101 	/* Write the now-built pin configuration */  in gpio_sam0_config()
102 	regs->PINCFG[pin] = pincfg;  in gpio_sam0_config()
110 	const struct gpio_sam0_config *config = dev->config;  in gpio_sam0_port_get_raw()
112 	*value = config->regs->IN.reg;  in gpio_sam0_port_get_raw()
121 	const struct gpio_sam0_config *config = dev->config;  in gpio_sam0_port_set_masked_raw()
122 	uint32_t out = config->regs->OUT.reg;  in gpio_sam0_port_set_masked_raw()
124 	config->regs->OUT.reg = (out & ~mask) | (value & mask);  in gpio_sam0_port_set_masked_raw()
132 	const struct gpio_sam0_config *config = dev->config;  in gpio_sam0_port_set_bits_raw()
134 	config->regs->OUTSET.reg = pins;  in gpio_sam0_port_set_bits_raw()
142 	const struct gpio_sam0_config *config = dev->config;  in gpio_sam0_port_clear_bits_raw()
144 	config->regs->OUTCLR.reg = pins;  in gpio_sam0_port_clear_bits_raw()
152 	const struct gpio_sam0_config *config = dev->config;  in gpio_sam0_port_toggle_bits()
154 	config->regs->OUTTGL.reg = pins;  in gpio_sam0_port_toggle_bits()
166 	const struct gpio_sam0_config *config = dev->config;  in gpio_sam0_pin_interrupt_configure()
167 	struct gpio_sam0_data *const data = dev->data;  in gpio_sam0_pin_interrupt_configure()
168 	PortGroup *regs = config->regs;  in gpio_sam0_pin_interrupt_configure()
170 		.reg = regs->PINCFG[pin].reg,  in gpio_sam0_pin_interrupt_configure()
173 	int rc = 0;  in gpio_sam0_pin_interrupt_configure()  local
175 	data->dev = dev;  in gpio_sam0_pin_interrupt_configure()
180 		rc = sam0_eic_disable_interrupt(config->id, pin);  in gpio_sam0_pin_interrupt_configure()
181 		if (rc == -EBUSY) {  in gpio_sam0_pin_interrupt_configure()
183 			rc = 0;  in gpio_sam0_pin_interrupt_configure()
185 		if (rc == 0) {  in gpio_sam0_pin_interrupt_configure()
186 			rc = sam0_eic_release(config->id, pin);  in gpio_sam0_pin_interrupt_configure()
196 		 * the pin is configured as input-only.  in gpio_sam0_pin_interrupt_configure()
199 		    || ((regs->DIR.reg & BIT(pin)) != 0)) {  in gpio_sam0_pin_interrupt_configure()
200 			rc = -ENOTSUP;  in gpio_sam0_pin_interrupt_configure()
207 			regs->PMUX[pin / 2U].bit.PMUXO = PORT_PMUX_PMUXE_A_Val;  in gpio_sam0_pin_interrupt_configure()
209 			regs->PMUX[pin / 2U].bit.PMUXE = PORT_PMUX_PMUXE_A_Val;  in gpio_sam0_pin_interrupt_configure()
227 			rc = -EINVAL;  in gpio_sam0_pin_interrupt_configure()
231 		if (rc == 0) {  in gpio_sam0_pin_interrupt_configure()
232 			rc = sam0_eic_acquire(config->id, pin, trigger,  in gpio_sam0_pin_interrupt_configure()
233 					      (data->debounce & BIT(pin)) != 0,  in gpio_sam0_pin_interrupt_configure()
236 		if (rc == 0) {  in gpio_sam0_pin_interrupt_configure()
237 			rc = sam0_eic_enable_interrupt(config->id, pin);  in gpio_sam0_pin_interrupt_configure()
242 		rc = -EINVAL;  in gpio_sam0_pin_interrupt_configure()
246 	if (rc == 0) {  in gpio_sam0_pin_interrupt_configure()
248 		regs->PINCFG[pin] = pincfg;  in gpio_sam0_pin_interrupt_configure()
251 	return rc;  in gpio_sam0_pin_interrupt_configure()
258 	struct gpio_sam0_data *const data = dev->data;  in gpio_sam0_manage_callback()
260 	return gpio_manage_callback(&data->callbacks, callback, set);  in gpio_sam0_manage_callback()
265 	const struct gpio_sam0_config *config = dev->config;  in gpio_sam0_get_pending_int()
267 	return sam0_eic_interrupt_pending(config->id);  in gpio_sam0_get_pending_int()