diff options
Diffstat (limited to 'drivers/gpio/gpiolib.h')
| -rw-r--r-- | drivers/gpio/gpiolib.h | 45 |
1 files changed, 36 insertions, 9 deletions
diff --git a/drivers/gpio/gpiolib.h b/drivers/gpio/gpiolib.h index 2d9ea5e0cab3..346fbda39220 100644 --- a/drivers/gpio/gpiolib.h +++ b/drivers/gpio/gpiolib.h @@ -20,6 +20,7 @@ enum of_gpio_flags; enum gpiod_flags; +enum gpio_lookup_flags; struct acpi_device; /** @@ -86,6 +87,32 @@ struct acpi_gpio_info { /* gpio suffixes used for ACPI and device tree lookup */ static const char * const gpio_suffixes[] = { "gpios", "gpio" }; +#ifdef CONFIG_OF_GPIO +struct gpio_desc *of_find_gpio(struct device *dev, + const char *con_id, + unsigned int idx, + enum gpio_lookup_flags *flags); +struct gpio_desc *of_get_named_gpiod_flags(struct device_node *np, + const char *list_name, int index, enum of_gpio_flags *flags); +int of_gpiochip_add(struct gpio_chip *gc); +void of_gpiochip_remove(struct gpio_chip *gc); +#else +static inline struct gpio_desc *of_find_gpio(struct device *dev, + const char *con_id, + unsigned int idx, + enum gpio_lookup_flags *flags) +{ + return ERR_PTR(-ENOENT); +} +static inline struct gpio_desc *of_get_named_gpiod_flags(struct device_node *np, + const char *list_name, int index, enum of_gpio_flags *flags) +{ + 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) { } +#endif /* CONFIG_OF_GPIO */ + #ifdef CONFIG_ACPI void acpi_gpiochip_add(struct gpio_chip *chip); void acpi_gpiochip_remove(struct gpio_chip *chip); @@ -93,9 +120,11 @@ void acpi_gpiochip_remove(struct gpio_chip *chip); void acpi_gpiochip_request_interrupts(struct gpio_chip *chip); void acpi_gpiochip_free_interrupts(struct gpio_chip *chip); -struct gpio_desc *acpi_get_gpiod_by_index(struct acpi_device *adev, - const char *propname, int index, - struct acpi_gpio_info *info); +struct gpio_desc *acpi_find_gpio(struct device *dev, + const char *con_id, + unsigned int idx, + enum gpiod_flags flags, + enum gpio_lookup_flags *lookupflags); struct gpio_desc *acpi_node_get_gpiod(struct fwnode_handle *fwnode, const char *propname, int index, struct acpi_gpio_info *info); @@ -114,10 +143,11 @@ static inline void acpi_gpiochip_free_interrupts(struct gpio_chip *chip) { } static inline struct gpio_desc * -acpi_get_gpiod_by_index(struct acpi_device *adev, const char *propname, - int index, struct acpi_gpio_info *info) +acpi_find_gpio(struct device *dev, const char *con_id, + unsigned int idx, enum gpiod_flags flags, + enum gpio_lookup_flags *lookupflags) { - return ERR_PTR(-ENOSYS); + return ERR_PTR(-ENOENT); } static inline struct gpio_desc * acpi_node_get_gpiod(struct fwnode_handle *fwnode, const char *propname, @@ -137,9 +167,6 @@ static inline bool acpi_can_fallback_to_crs(struct acpi_device *adev, } #endif -struct gpio_desc *of_get_named_gpiod_flags(struct device_node *np, - const char *list_name, int index, enum of_gpio_flags *flags); - struct gpio_desc *gpiochip_get_desc(struct gpio_chip *chip, u16 hwnum); void gpiod_set_array_value_complex(bool raw, bool can_sleep, unsigned int array_size, |