xref: /device/soc/rockchip/common/sdk_linux/drivers/gpio/gpiolib-of.h

/* SPDX-License-Identifier: GPL-2.0 */

#ifndef GPIOLIB_OF_H
#define GPIOLIB_OF_H

struct gpio_chip;
enum of_gpio_flags;

#ifdef CONFIG_OF_GPIO
struct gpio_desc *of_find_gpio(struct device *dev, const char *con_id, unsigned int idx, unsigned long *lookupflags);
int of_gpiochip_add(struct gpio_chip *gc);
void of_gpiochip_remove(struct gpio_chip *gc);
int of_gpio_get_count(struct device *dev, const char *con_id);
bool of_gpio_need_valid_mask(const struct gpio_chip *gc);
void of_gpio_dev_init(struct gpio_chip *gc, struct gpio_device *gdev);
#else
static inline struct gpio_desc *of_find_gpio(struct device *dev, const char *con_id, unsigned int idx,
                                             unsigned long *lookupflags)
{
    return ERR_PTR(-ENOENT);
}
static inline int of_gpiochip_add(struct gpio_chip *gc)
{
    return 0;
}
static inline void of_gpiochip_remove(struct gpio_chip *gc)
{
}
static inline int of_gpio_get_count(struct device *dev, const char *con_id)
{
    return 0;
}
static inline bool of_gpio_need_valid_mask(const struct gpio_chip *gc)
{
    return false;
}
static inline void of_gpio_dev_init(struct gpio_chip *gc, struct gpio_device *gdev)
{
}
#endif /* CONFIG_OF_GPIO */

extern struct notifier_block gpio_of_notifier;

#endif /* GPIOLIB_OF_H */