drivers/gpio/gpio_mcux.c - third_party/github/zephyrproject-rtos/zephyr - Git at Google

 /*
  * Copyright (c) 2016 Freescale Semiconductor, Inc.
  * Copyright 2017, 2023-2024 NXP
  *
  * SPDX-License-Identifier: Apache-2.0
  */

 #define DT_DRV_COMPAT nxp_kinetis_gpio

 #include <errno.h>
 #include <zephyr/device.h>
 #include <zephyr/drivers/gpio.h>
 #include <zephyr/dt-bindings/gpio/nxp-kinetis-gpio.h>
 #include <zephyr/irq.h>
 #include <soc.h>
 #include <fsl_common.h>

 #include <zephyr/drivers/gpio/gpio_utils.h>

 struct gpio_mcux_config {
 	/* gpio_driver_config needs to be first */
 	struct gpio_driver_config common;
 	GPIO_Type *gpio_base;
 	PORT_Type *port_base;
 	unsigned int flags;
 };

 struct gpio_mcux_data {
 	/* gpio_driver_data needs to be first */
 	struct gpio_driver_data common;
 	/* port ISR callback routine address */
 	sys_slist_t callbacks;
 };

 static int gpio_mcux_configure(const struct device *dev,
 			       gpio_pin_t pin, gpio_flags_t flags)
 {
 	const struct gpio_mcux_config *config = dev->config;
 	GPIO_Type *gpio_base = config->gpio_base;
 	PORT_Type *port_base = config->port_base;
 	uint32_t mask = 0U;
 	uint32_t pcr = 0U;

 	/* Check for an invalid pin number */
 	if (pin >= ARRAY_SIZE(port_base->PCR)) {
 		return -EINVAL;
 	}

 	if (((flags & GPIO_INPUT) != 0) && ((flags & GPIO_OUTPUT) != 0)) {
 		return -ENOTSUP;
 	}

 	if ((flags & GPIO_SINGLE_ENDED) != 0) {
 		return -ENOTSUP;
 	}

 	/* The flags contain options that require touching registers in the
 	 * GPIO module and the corresponding PORT module.
 	 *
 	 * Start with the GPIO module and set up the pin direction register.
 	 * 0 - pin is input, 1 - pin is output
 	 */

 	switch (flags & GPIO_DIR_MASK) {
 	case GPIO_INPUT:
 		gpio_base->PDDR &= ~BIT(pin);
 		break;
 	case GPIO_OUTPUT:
 		if ((flags & GPIO_OUTPUT_INIT_HIGH) != 0) {
 			gpio_base->PSOR = BIT(pin);
 		} else if ((flags & GPIO_OUTPUT_INIT_LOW) != 0) {
 			gpio_base->PCOR = BIT(pin);
 		}
 		gpio_base->PDDR |= BIT(pin);
 		break;
 	default:
 		return -ENOTSUP;
 	}

 	/* Set PCR mux to GPIO for the pin we are configuring */
 	mask |= PORT_PCR_MUX_MASK;
 	pcr |= PORT_PCR_MUX(PORT_MUX_GPIO);

 #if defined(FSL_FEATURE_PORT_HAS_INPUT_BUFFER) && FSL_FEATURE_PORT_HAS_INPUT_BUFFER
 	/* Enable digital input buffer */
 	pcr |= PORT_PCR_IBE_MASK;
 #endif

 	/* Now do the PORT module. Figure out the pullup/pulldown
 	 * configuration, but don't write it to the PCR register yet.
 	 */
 	mask |= PORT_PCR_PE_MASK | PORT_PCR_PS_MASK;

 	if ((flags & GPIO_PULL_UP) != 0) {
 		/* Enable the pull and select the pullup resistor. */
 		pcr |= PORT_PCR_PE_MASK | PORT_PCR_PS_MASK;

 	} else if ((flags & GPIO_PULL_DOWN) != 0) {
 		/* Enable the pull and select the pulldown resistor, deselect
 		 * the pullup resistor.
 		 */
 		pcr |= PORT_PCR_PE_MASK;
 	}

 #if defined(FSL_FEATURE_PORT_HAS_DRIVE_STRENGTH) && FSL_FEATURE_PORT_HAS_DRIVE_STRENGTH
 	/* Determine the drive strength */
 	switch (flags & KINETIS_GPIO_DS_MASK) {
 	case KINETIS_GPIO_DS_DFLT:
 		/* Default is low drive strength */
 		mask |= PORT_PCR_DSE_MASK;
 		break;
 	case KINETIS_GPIO_DS_ALT:
 		/* Alternate is high drive strength */
 		pcr |= PORT_PCR_DSE_MASK;
 		break;
 	default:
 		return -ENOTSUP;
 	}
 #endif /* defined(FSL_FEATURE_PORT_HAS_DRIVE_STRENGTH) && FSL_FEATURE_PORT_HAS_DRIVE_STRENGTH */

 	/* Accessing by pin, we only need to write one PCR register. */
 	port_base->PCR[pin] = (port_base->PCR[pin] & ~mask) | pcr;

 	return 0;
 }

 static int gpio_mcux_port_get_raw(const struct device *dev, uint32_t *value)
 {
 	const struct gpio_mcux_config *config = dev->config;
 	GPIO_Type *gpio_base = config->gpio_base;

 	*value = gpio_base->PDIR;

 	return 0;
 }

 static int gpio_mcux_port_set_masked_raw(const struct device *dev,
 					 uint32_t mask,
 					 uint32_t value)
 {
 	const struct gpio_mcux_config *config = dev->config;
 	GPIO_Type *gpio_base = config->gpio_base;

 	gpio_base->PDOR = (gpio_base->PDOR & ~mask) | (mask & value);

 	return 0;
 }

 static int gpio_mcux_port_set_bits_raw(const struct device *dev,
 				       uint32_t mask)
 {
 	const struct gpio_mcux_config *config = dev->config;
 	GPIO_Type *gpio_base = config->gpio_base;

 	gpio_base->PSOR = mask;

 	return 0;
 }

 static int gpio_mcux_port_clear_bits_raw(const struct device *dev,
 					 uint32_t mask)
 {
 	const struct gpio_mcux_config *config = dev->config;
 	GPIO_Type *gpio_base = config->gpio_base;

 	gpio_base->PCOR = mask;

 	return 0;
 }

 static int gpio_mcux_port_toggle_bits(const struct device *dev, uint32_t mask)
 {
 	const struct gpio_mcux_config *config = dev->config;
 	GPIO_Type *gpio_base = config->gpio_base;

 	gpio_base->PTOR = mask;

 	return 0;
 }

 #if !(defined(FSL_FEATURE_PORT_HAS_NO_INTERRUPT) && FSL_FEATURE_PORT_HAS_NO_INTERRUPT)
 static uint32_t get_port_pcr_irqc_value_from_flags(const struct device *dev,
 						   uint32_t pin,
 						   enum gpio_int_mode mode,
 						   enum gpio_int_trig trig)
 {
 	port_interrupt_t port_interrupt = 0;

 	if (mode == GPIO_INT_MODE_DISABLED) {
 		port_interrupt = kPORT_InterruptOrDMADisabled;
 	} else {
 		if (mode == GPIO_INT_MODE_LEVEL) {
 			if (trig == GPIO_INT_TRIG_LOW) {
 				port_interrupt = kPORT_InterruptLogicZero;
 			} else {
 				port_interrupt = kPORT_InterruptLogicOne;
 			}
 		} else {
 			switch (trig) {
 			case GPIO_INT_TRIG_LOW:
 				port_interrupt = kPORT_InterruptFallingEdge;
 				break;
 			case GPIO_INT_TRIG_HIGH:
 				port_interrupt = kPORT_InterruptRisingEdge;
 				break;
 			case GPIO_INT_TRIG_BOTH:
 				port_interrupt = kPORT_InterruptEitherEdge;
 				break;
 			default:
 				return -EINVAL;
 			}
 		}
 	}

 	return PORT_PCR_IRQC(port_interrupt);
 }
 #endif  /* !defined(FSL_FEATURE_PORT_HAS_NO_INTERRUPT) && FSL_FEATURE_PORT_HAS_NO_INTERRUPT */

 #if (defined(FSL_FEATURE_GPIO_HAS_INTERRUPT_CHANNEL_SELECT) && \
 		FSL_FEATURE_GPIO_HAS_INTERRUPT_CHANNEL_SELECT)

 #define GPIO_MCUX_INTERRUPT_DISABLED		0
 #define GPIO_MCUX_INTERRUPT_LOGIC_0		0x8
 #define GPIO_MCUX_INTERRUPT_RISING_EDGE		0x9
 #define GPIO_MCUX_INTERRUPT_FALLING_EDGE	0xA
 #define GPIO_MCUX_INTERRUPT_BOTH_EDGE		0xB
 #define GPIO_MCUX_INTERRUPT_LOGIC_1		0xC

 static uint32_t get_gpio_icr_irqc_value_from_flags(const struct device *dev,
 						   uint32_t pin,
 						   enum gpio_int_mode mode,
 						   enum gpio_int_trig trig)
 {
 	uint8_t gpio_interrupt = 0;

 	if (mode == GPIO_INT_MODE_DISABLED) {
 		gpio_interrupt = GPIO_MCUX_INTERRUPT_DISABLED;
 	} else {
 		if (mode == GPIO_INT_MODE_LEVEL) {
 			if (trig == GPIO_INT_TRIG_LOW) {
 				gpio_interrupt = GPIO_MCUX_INTERRUPT_LOGIC_0;
 			} else {
 				gpio_interrupt = GPIO_MCUX_INTERRUPT_LOGIC_1;
 			}
 		} else {
 			switch (trig) {
 			case GPIO_INT_TRIG_LOW:
 				gpio_interrupt = GPIO_MCUX_INTERRUPT_FALLING_EDGE;
 				break;
 			case GPIO_INT_TRIG_HIGH:
 				gpio_interrupt = GPIO_MCUX_INTERRUPT_RISING_EDGE;
 				break;
 			case GPIO_INT_TRIG_BOTH:
 				gpio_interrupt = GPIO_MCUX_INTERRUPT_BOTH_EDGE;
 				break;
 			default:
 				return -EINVAL;
 			}
 		}
 	}

 	return GPIO_ICR_IRQC(gpio_interrupt);
 }
 #endif  /* (defined(FSL_FEATURE_GPIO_HAS_INTERRUPT_CHANNEL_SELECT) */

 static int gpio_mcux_pin_interrupt_configure(const struct device *dev,
 					     gpio_pin_t pin, enum gpio_int_mode mode,
 					     enum gpio_int_trig trig)
 {
 	const struct gpio_mcux_config *config = dev->config;
 	GPIO_Type *gpio_base = config->gpio_base;
 	PORT_Type *port_base = config->port_base;

 	/* Check for an invalid pin number */
 	if (pin >= ARRAY_SIZE(port_base->PCR)) {
 		return -EINVAL;
 	}

 	/* Check for an invalid pin configuration */
 	if ((mode != GPIO_INT_MODE_DISABLED) &&
 	    ((gpio_base->PDDR & BIT(pin)) != 0)) {
 		return -EINVAL;
 	}

 	/* Check if GPIO port supports interrupts */
 	if ((mode != GPIO_INT_MODE_DISABLED) &&
 	    ((config->flags & GPIO_INT_ENABLE) == 0U)) {
 		return -ENOTSUP;
 	}

 #if !(defined(FSL_FEATURE_PORT_HAS_NO_INTERRUPT) && FSL_FEATURE_PORT_HAS_NO_INTERRUPT)
 	uint32_t pcr = get_port_pcr_irqc_value_from_flags(dev, pin, mode, trig);

 	port_base->PCR[pin] = (port_base->PCR[pin] & ~PORT_PCR_IRQC_MASK) | pcr;
 #elif (defined(FSL_FEATURE_GPIO_HAS_INTERRUPT_CHANNEL_SELECT) && \
 		FSL_FEATURE_GPIO_HAS_INTERRUPT_CHANNEL_SELECT)
 	uint32_t icr = get_gpio_icr_irqc_value_from_flags(dev, pin, mode, trig);

 	gpio_base->ICR[pin] = (gpio_base->ICR[pin] & ~GPIO_ICR_IRQC_MASK) | icr;
 #endif  /* !(defined(FSL_FEATURE_PORT_HAS_NO_INTERRUPT) */

 	return 0;
 }

 static int gpio_mcux_manage_callback(const struct device *dev,
 				     struct gpio_callback *callback, bool set)
 {
 	struct gpio_mcux_data *data = dev->data;

 	return gpio_manage_callback(&data->callbacks, callback, set);
 }

 static void gpio_mcux_port_isr(const struct device *dev)
 {
 	const struct gpio_mcux_config *config = dev->config;
 	struct gpio_mcux_data *data = dev->data;
 	uint32_t int_status;

 #if !(defined(FSL_FEATURE_PORT_HAS_NO_INTERRUPT) && FSL_FEATURE_PORT_HAS_NO_INTERRUPT)
 	int_status = config->port_base->ISFR;

 	/* Clear the port interrupts */
 	config->port_base->ISFR = int_status;
 #elif (defined(FSL_FEATURE_GPIO_HAS_INTERRUPT_CHANNEL_SELECT) && \
 		FSL_FEATURE_GPIO_HAS_INTERRUPT_CHANNEL_SELECT)
 	int_status = config->gpio_base->ISFR[0];

 	/* Clear the gpio interrupts */
 	config->gpio_base->ISFR[0] = int_status;
 #endif  /* !(defined(FSL_FEATURE_PORT_HAS_NO_INTERRUPT) */

 	gpio_fire_callbacks(&data->callbacks, dev, int_status);
 }

 #ifdef CONFIG_GPIO_GET_DIRECTION
 static int gpio_mcux_port_get_direction(const struct device *dev, gpio_port_pins_t map,
 					gpio_port_pins_t *inputs, gpio_port_pins_t *outputs)
 {
 	const struct gpio_mcux_config *config = dev->config;
 	GPIO_Type *gpio_base = config->gpio_base;

 	map &= config->common.port_pin_mask;

 	if (inputs != NULL) {
 		*inputs = map & (~gpio_base->PDDR);
 	}

 	if (outputs != NULL) {
 		*outputs = map & gpio_base->PDDR;
 	}

 	return 0;
 }
 #endif /* CONFIG_GPIO_GET_DIRECTION */

 static const struct gpio_driver_api gpio_mcux_driver_api = {
 	.pin_configure = gpio_mcux_configure,
 	.port_get_raw = gpio_mcux_port_get_raw,
 	.port_set_masked_raw = gpio_mcux_port_set_masked_raw,
 	.port_set_bits_raw = gpio_mcux_port_set_bits_raw,
 	.port_clear_bits_raw = gpio_mcux_port_clear_bits_raw,
 	.port_toggle_bits = gpio_mcux_port_toggle_bits,
 	.pin_interrupt_configure = gpio_mcux_pin_interrupt_configure,
 	.manage_callback = gpio_mcux_manage_callback,
 #ifdef CONFIG_GPIO_GET_DIRECTION
 	.port_get_direction = gpio_mcux_port_get_direction,
 #endif /* CONFIG_GPIO_GET_DIRECTION */
 };

 #define GPIO_MCUX_IRQ_INIT(n)						\
 	do {								\
 		IRQ_CONNECT(DT_INST_IRQN(n),				\
 			    DT_INST_IRQ(n, priority),			\
 			    gpio_mcux_port_isr,				\
 			    DEVICE_DT_INST_GET(n), 0);			\
 									\
 		irq_enable(DT_INST_IRQN(n));				\
 	} while (false)

 #define GPIO_PORT_BASE_ADDR(n) DT_REG_ADDR(DT_INST_PHANDLE(n, nxp_kinetis_port))

 #define GPIO_DEVICE_INIT_MCUX(n)					\
 	static int gpio_mcux_port## n ## _init(const struct device *dev); \
 									\
 	static const struct gpio_mcux_config gpio_mcux_port## n ## _config = {\
 		.common = {						\
 			.port_pin_mask = GPIO_PORT_PIN_MASK_FROM_DT_INST(n),\
 		},							\
 		.gpio_base = (GPIO_Type *) DT_INST_REG_ADDR(n),		\
 		.port_base = (PORT_Type *) GPIO_PORT_BASE_ADDR(n),	\
 		.flags = UTIL_AND(DT_INST_IRQ_HAS_IDX(n, 0), GPIO_INT_ENABLE),\
 	};								\
 									\
 	static struct gpio_mcux_data gpio_mcux_port## n ##_data;	\
 									\
 	DEVICE_DT_INST_DEFINE(n,					\
 			    gpio_mcux_port## n ##_init,			\
 			    NULL,					\
 			    &gpio_mcux_port## n ##_data,		\
 			    &gpio_mcux_port## n##_config,		\
 			    POST_KERNEL,				\
 			    CONFIG_GPIO_INIT_PRIORITY,			\
 			    &gpio_mcux_driver_api);			\
 									\
 	static int gpio_mcux_port## n ##_init(const struct device *dev)	\
 	{								\
 		IF_ENABLED(DT_INST_IRQ_HAS_IDX(n, 0),			\
 			(GPIO_MCUX_IRQ_INIT(n);))			\
 		return 0;						\
 	}

 DT_INST_FOREACH_STATUS_OKAY(GPIO_DEVICE_INIT_MCUX)
	/*
	* Copyright (c) 2016 Freescale Semiconductor, Inc.
	* Copyright 2017, 2023-2024 NXP
	*
	* SPDX-License-Identifier: Apache-2.0
	*/

	#define DT_DRV_COMPAT nxp_kinetis_gpio

	#include <errno.h>
	#include <zephyr/device.h>
	#include <zephyr/drivers/gpio.h>
	#include <zephyr/dt-bindings/gpio/nxp-kinetis-gpio.h>
	#include <zephyr/irq.h>
	#include <soc.h>
	#include <fsl_common.h>

	#include <zephyr/drivers/gpio/gpio_utils.h>

	struct gpio_mcux_config {
	/* gpio_driver_config needs to be first */
	struct gpio_driver_config common;
	GPIO_Type *gpio_base;
	PORT_Type *port_base;
	unsigned int flags;
	};

	struct gpio_mcux_data {
	/* gpio_driver_data needs to be first */
	struct gpio_driver_data common;
	/* port ISR callback routine address */
	sys_slist_t callbacks;
	};

	static int gpio_mcux_configure(const struct device *dev,
	gpio_pin_t pin, gpio_flags_t flags)
	{
	const struct gpio_mcux_config *config = dev->config;
	GPIO_Type *gpio_base = config->gpio_base;
	PORT_Type *port_base = config->port_base;
	uint32_t mask = 0U;
	uint32_t pcr = 0U;

	/* Check for an invalid pin number */
	if (pin >= ARRAY_SIZE(port_base->PCR)) {
	return -EINVAL;
	}

	if (((flags & GPIO_INPUT) != 0) && ((flags & GPIO_OUTPUT) != 0)) {
	return -ENOTSUP;
	}

	if ((flags & GPIO_SINGLE_ENDED) != 0) {
	return -ENOTSUP;
	}

	/* The flags contain options that require touching registers in the
	* GPIO module and the corresponding PORT module.
	*
	* Start with the GPIO module and set up the pin direction register.
	* 0 - pin is input, 1 - pin is output
	*/

	switch (flags & GPIO_DIR_MASK) {
	case GPIO_INPUT:
	gpio_base->PDDR &= ~BIT(pin);
	break;
	case GPIO_OUTPUT:
	if ((flags & GPIO_OUTPUT_INIT_HIGH) != 0) {
	gpio_base->PSOR = BIT(pin);
	} else if ((flags & GPIO_OUTPUT_INIT_LOW) != 0) {
	gpio_base->PCOR = BIT(pin);
	}
	gpio_base->PDDR \|= BIT(pin);
	break;
	default:
	return -ENOTSUP;
	}

	/* Set PCR mux to GPIO for the pin we are configuring */
	mask \|= PORT_PCR_MUX_MASK;
	pcr \|= PORT_PCR_MUX(PORT_MUX_GPIO);

	#if defined(FSL_FEATURE_PORT_HAS_INPUT_BUFFER) && FSL_FEATURE_PORT_HAS_INPUT_BUFFER
	/* Enable digital input buffer */
	pcr \|= PORT_PCR_IBE_MASK;
	#endif

	/* Now do the PORT module. Figure out the pullup/pulldown
	* configuration, but don't write it to the PCR register yet.
	*/
	mask \|= PORT_PCR_PE_MASK \| PORT_PCR_PS_MASK;

	if ((flags & GPIO_PULL_UP) != 0) {
	/* Enable the pull and select the pullup resistor. */
	pcr \|= PORT_PCR_PE_MASK \| PORT_PCR_PS_MASK;

	} else if ((flags & GPIO_PULL_DOWN) != 0) {
	/* Enable the pull and select the pulldown resistor, deselect
	* the pullup resistor.
	*/
	pcr \|= PORT_PCR_PE_MASK;
	}

	#if defined(FSL_FEATURE_PORT_HAS_DRIVE_STRENGTH) && FSL_FEATURE_PORT_HAS_DRIVE_STRENGTH
	/* Determine the drive strength */
	switch (flags & KINETIS_GPIO_DS_MASK) {
	case KINETIS_GPIO_DS_DFLT:
	/* Default is low drive strength */
	mask \|= PORT_PCR_DSE_MASK;
	break;
	case KINETIS_GPIO_DS_ALT:
	/* Alternate is high drive strength */
	pcr \|= PORT_PCR_DSE_MASK;
	break;
	default:
	return -ENOTSUP;
	}
	#endif /* defined(FSL_FEATURE_PORT_HAS_DRIVE_STRENGTH) && FSL_FEATURE_PORT_HAS_DRIVE_STRENGTH */

	/* Accessing by pin, we only need to write one PCR register. */
	port_base->PCR[pin] = (port_base->PCR[pin] & ~mask) \| pcr;

	return 0;
	}

	static int gpio_mcux_port_get_raw(const struct device dev, uint32_t value)
	{
	const struct gpio_mcux_config *config = dev->config;
	GPIO_Type *gpio_base = config->gpio_base;

	*value = gpio_base->PDIR;

	return 0;
	}

	static int gpio_mcux_port_set_masked_raw(const struct device *dev,
	uint32_t mask,
	uint32_t value)
	{
	const struct gpio_mcux_config *config = dev->config;
	GPIO_Type *gpio_base = config->gpio_base;

	gpio_base->PDOR = (gpio_base->PDOR & ~mask) \| (mask & value);

	return 0;
	}

	static int gpio_mcux_port_set_bits_raw(const struct device *dev,
	uint32_t mask)
	{
	const struct gpio_mcux_config *config = dev->config;
	GPIO_Type *gpio_base = config->gpio_base;

	gpio_base->PSOR = mask;

	return 0;
	}

	static int gpio_mcux_port_clear_bits_raw(const struct device *dev,
	uint32_t mask)
	{
	const struct gpio_mcux_config *config = dev->config;
	GPIO_Type *gpio_base = config->gpio_base;

	gpio_base->PCOR = mask;

	return 0;
	}

	static int gpio_mcux_port_toggle_bits(const struct device *dev, uint32_t mask)
	{
	const struct gpio_mcux_config *config = dev->config;
	GPIO_Type *gpio_base = config->gpio_base;

	gpio_base->PTOR = mask;

	return 0;
	}

	#if !(defined(FSL_FEATURE_PORT_HAS_NO_INTERRUPT) && FSL_FEATURE_PORT_HAS_NO_INTERRUPT)
	static uint32_t get_port_pcr_irqc_value_from_flags(const struct device *dev,
	uint32_t pin,
	enum gpio_int_mode mode,
	enum gpio_int_trig trig)
	{
	port_interrupt_t port_interrupt = 0;

	if (mode == GPIO_INT_MODE_DISABLED) {
	port_interrupt = kPORT_InterruptOrDMADisabled;
	} else {
	if (mode == GPIO_INT_MODE_LEVEL) {
	if (trig == GPIO_INT_TRIG_LOW) {
	port_interrupt = kPORT_InterruptLogicZero;
	} else {
	port_interrupt = kPORT_InterruptLogicOne;
	}
	} else {
	switch (trig) {
	case GPIO_INT_TRIG_LOW:
	port_interrupt = kPORT_InterruptFallingEdge;
	break;
	case GPIO_INT_TRIG_HIGH:
	port_interrupt = kPORT_InterruptRisingEdge;
	break;
	case GPIO_INT_TRIG_BOTH:
	port_interrupt = kPORT_InterruptEitherEdge;
	break;
	default:
	return -EINVAL;
	}
	}
	}

	return PORT_PCR_IRQC(port_interrupt);
	}
	#endif /* !defined(FSL_FEATURE_PORT_HAS_NO_INTERRUPT) && FSL_FEATURE_PORT_HAS_NO_INTERRUPT */

	#if (defined(FSL_FEATURE_GPIO_HAS_INTERRUPT_CHANNEL_SELECT) && \
	FSL_FEATURE_GPIO_HAS_INTERRUPT_CHANNEL_SELECT)

	#define GPIO_MCUX_INTERRUPT_DISABLED 0
	#define GPIO_MCUX_INTERRUPT_LOGIC_0 0x8
	#define GPIO_MCUX_INTERRUPT_RISING_EDGE 0x9
	#define GPIO_MCUX_INTERRUPT_FALLING_EDGE 0xA
	#define GPIO_MCUX_INTERRUPT_BOTH_EDGE 0xB
	#define GPIO_MCUX_INTERRUPT_LOGIC_1 0xC

	static uint32_t get_gpio_icr_irqc_value_from_flags(const struct device *dev,
	uint32_t pin,
	enum gpio_int_mode mode,
	enum gpio_int_trig trig)
	{
	uint8_t gpio_interrupt = 0;

	if (mode == GPIO_INT_MODE_DISABLED) {
	gpio_interrupt = GPIO_MCUX_INTERRUPT_DISABLED;
	} else {
	if (mode == GPIO_INT_MODE_LEVEL) {
	if (trig == GPIO_INT_TRIG_LOW) {
	gpio_interrupt = GPIO_MCUX_INTERRUPT_LOGIC_0;
	} else {
	gpio_interrupt = GPIO_MCUX_INTERRUPT_LOGIC_1;
	}
	} else {
	switch (trig) {
	case GPIO_INT_TRIG_LOW:
	gpio_interrupt = GPIO_MCUX_INTERRUPT_FALLING_EDGE;
	break;
	case GPIO_INT_TRIG_HIGH:
	gpio_interrupt = GPIO_MCUX_INTERRUPT_RISING_EDGE;
	break;
	case GPIO_INT_TRIG_BOTH:
	gpio_interrupt = GPIO_MCUX_INTERRUPT_BOTH_EDGE;
	break;
	default:
	return -EINVAL;
	}
	}
	}

	return GPIO_ICR_IRQC(gpio_interrupt);
	}
	#endif /* (defined(FSL_FEATURE_GPIO_HAS_INTERRUPT_CHANNEL_SELECT) */

	static int gpio_mcux_pin_interrupt_configure(const struct device *dev,
	gpio_pin_t pin, enum gpio_int_mode mode,
	enum gpio_int_trig trig)
	{
	const struct gpio_mcux_config *config = dev->config;
	GPIO_Type *gpio_base = config->gpio_base;
	PORT_Type *port_base = config->port_base;

	/* Check for an invalid pin number */
	if (pin >= ARRAY_SIZE(port_base->PCR)) {
	return -EINVAL;
	}

	/* Check for an invalid pin configuration */
	if ((mode != GPIO_INT_MODE_DISABLED) &&
	((gpio_base->PDDR & BIT(pin)) != 0)) {
	return -EINVAL;
	}

	/* Check if GPIO port supports interrupts */
	if ((mode != GPIO_INT_MODE_DISABLED) &&
	((config->flags & GPIO_INT_ENABLE) == 0U)) {
	return -ENOTSUP;
	}

	#if !(defined(FSL_FEATURE_PORT_HAS_NO_INTERRUPT) && FSL_FEATURE_PORT_HAS_NO_INTERRUPT)
	uint32_t pcr = get_port_pcr_irqc_value_from_flags(dev, pin, mode, trig);

	port_base->PCR[pin] = (port_base->PCR[pin] & ~PORT_PCR_IRQC_MASK) \| pcr;
	#elif (defined(FSL_FEATURE_GPIO_HAS_INTERRUPT_CHANNEL_SELECT) && \
	FSL_FEATURE_GPIO_HAS_INTERRUPT_CHANNEL_SELECT)
	uint32_t icr = get_gpio_icr_irqc_value_from_flags(dev, pin, mode, trig);

	gpio_base->ICR[pin] = (gpio_base->ICR[pin] & ~GPIO_ICR_IRQC_MASK) \| icr;
	#endif /* !(defined(FSL_FEATURE_PORT_HAS_NO_INTERRUPT) */

	return 0;
	}

	static int gpio_mcux_manage_callback(const struct device *dev,
	struct gpio_callback *callback, bool set)
	{
	struct gpio_mcux_data *data = dev->data;

	return gpio_manage_callback(&data->callbacks, callback, set);
	}

	static void gpio_mcux_port_isr(const struct device *dev)
	{
	const struct gpio_mcux_config *config = dev->config;
	struct gpio_mcux_data *data = dev->data;
	uint32_t int_status;

	#if !(defined(FSL_FEATURE_PORT_HAS_NO_INTERRUPT) && FSL_FEATURE_PORT_HAS_NO_INTERRUPT)
	int_status = config->port_base->ISFR;

	/* Clear the port interrupts */
	config->port_base->ISFR = int_status;
	#elif (defined(FSL_FEATURE_GPIO_HAS_INTERRUPT_CHANNEL_SELECT) && \
	FSL_FEATURE_GPIO_HAS_INTERRUPT_CHANNEL_SELECT)
	int_status = config->gpio_base->ISFR[0];

	/* Clear the gpio interrupts */
	config->gpio_base->ISFR[0] = int_status;
	#endif /* !(defined(FSL_FEATURE_PORT_HAS_NO_INTERRUPT) */

	gpio_fire_callbacks(&data->callbacks, dev, int_status);
	}

	#ifdef CONFIG_GPIO_GET_DIRECTION
	static int gpio_mcux_port_get_direction(const struct device *dev, gpio_port_pins_t map,
	gpio_port_pins_t inputs, gpio_port_pins_t outputs)
	{
	const struct gpio_mcux_config *config = dev->config;
	GPIO_Type *gpio_base = config->gpio_base;

	map &= config->common.port_pin_mask;

	if (inputs != NULL) {
	*inputs = map & (~gpio_base->PDDR);
	}

	if (outputs != NULL) {
	*outputs = map & gpio_base->PDDR;
	}

	return 0;
	}
	#endif /* CONFIG_GPIO_GET_DIRECTION */

	static const struct gpio_driver_api gpio_mcux_driver_api = {
	.pin_configure = gpio_mcux_configure,
	.port_get_raw = gpio_mcux_port_get_raw,
	.port_set_masked_raw = gpio_mcux_port_set_masked_raw,
	.port_set_bits_raw = gpio_mcux_port_set_bits_raw,
	.port_clear_bits_raw = gpio_mcux_port_clear_bits_raw,
	.port_toggle_bits = gpio_mcux_port_toggle_bits,
	.pin_interrupt_configure = gpio_mcux_pin_interrupt_configure,
	.manage_callback = gpio_mcux_manage_callback,
	#ifdef CONFIG_GPIO_GET_DIRECTION
	.port_get_direction = gpio_mcux_port_get_direction,
	#endif /* CONFIG_GPIO_GET_DIRECTION */
	};

	#define GPIO_MCUX_IRQ_INIT(n) \
	do { \
	IRQ_CONNECT(DT_INST_IRQN(n), \
	DT_INST_IRQ(n, priority), \
	gpio_mcux_port_isr, \
	DEVICE_DT_INST_GET(n), 0); \
	\
	irq_enable(DT_INST_IRQN(n)); \
	} while (false)

	#define GPIO_PORT_BASE_ADDR(n) DT_REG_ADDR(DT_INST_PHANDLE(n, nxp_kinetis_port))

	#define GPIO_DEVICE_INIT_MCUX(n) \
	static int gpio_mcux_port## n ## _init(const struct device *dev); \
	\
	static const struct gpio_mcux_config gpio_mcux_port## n ## _config = {\
	.common = { \
	.port_pin_mask = GPIO_PORT_PIN_MASK_FROM_DT_INST(n),\
	}, \
	.gpio_base = (GPIO_Type *) DT_INST_REG_ADDR(n), \
	.port_base = (PORT_Type *) GPIO_PORT_BASE_ADDR(n), \
	.flags = UTIL_AND(DT_INST_IRQ_HAS_IDX(n, 0), GPIO_INT_ENABLE),\
	}; \
	\
	static struct gpio_mcux_data gpio_mcux_port## n ##_data; \
	\
	DEVICE_DT_INST_DEFINE(n, \
	gpio_mcux_port## n ##_init, \
	NULL, \
	&gpio_mcux_port## n ##_data, \
	&gpio_mcux_port## n##_config, \
	POST_KERNEL, \
	CONFIG_GPIO_INIT_PRIORITY, \
	&gpio_mcux_driver_api); \
	\
	static int gpio_mcux_port## n ##_init(const struct device *dev) \
	{ \
	IF_ENABLED(DT_INST_IRQ_HAS_IDX(n, 0), \
	(GPIO_MCUX_IRQ_INIT(n);)) \
	return 0; \
	}

	DT_INST_FOREACH_STATUS_OKAY(GPIO_DEVICE_INIT_MCUX)