diff options
Diffstat (limited to 'include/asm-generic/gpio.h')
| -rw-r--r-- | include/asm-generic/gpio.h | 27 |
1 files changed, 11 insertions, 16 deletions
diff --git a/include/asm-generic/gpio.h b/include/asm-generic/gpio.h index d494001b122..1ff4e221cb4 100644 --- a/include/asm-generic/gpio.h +++ b/include/asm-generic/gpio.h @@ -4,6 +4,7 @@ #include <linux/kernel.h> #include <linux/types.h> #include <linux/errno.h> +#include <linux/of.h> #ifdef CONFIG_GPIOLIB @@ -41,6 +42,7 @@ static inline bool gpio_is_valid(int number) } struct device; +struct gpio; struct seq_file; struct module; struct device_node; @@ -127,13 +129,14 @@ struct gpio_chip { */ struct device_node *of_node; int of_gpio_n_cells; - int (*of_xlate)(struct gpio_chip *gc, struct device_node *np, - const void *gpio_spec, u32 *flags); + int (*of_xlate)(struct gpio_chip *gc, + const struct of_phandle_args *gpiospec, u32 *flags); #endif }; extern const char *gpiochip_is_requested(struct gpio_chip *chip, unsigned offset); +extern struct gpio_chip *gpio_to_chip(unsigned gpio); extern int __must_check gpiochip_reserve(int start, int ngpio); /* add/remove chips */ @@ -170,22 +173,14 @@ extern int __gpio_cansleep(unsigned gpio); extern int __gpio_to_irq(unsigned gpio); -/** - * struct gpio - a structure describing a GPIO with configuration - * @gpio: the GPIO number - * @flags: GPIO configuration as specified by GPIOF_* - * @label: a literal description string of this GPIO - */ -struct gpio { - unsigned gpio; - unsigned long flags; - const char *label; -}; - extern int gpio_request_one(unsigned gpio, unsigned long flags, const char *label); extern int gpio_request_array(const struct gpio *array, size_t num); extern void gpio_free_array(const struct gpio *array, size_t num); +/* bindings for managed devices that want to request gpios */ +int devm_gpio_request(struct device *dev, unsigned gpio, const char *label); +void devm_gpio_free(struct device *dev, unsigned int gpio); + #ifdef CONFIG_GPIO_SYSFS /* @@ -220,13 +215,13 @@ static inline int gpio_cansleep(unsigned gpio) static inline int gpio_get_value_cansleep(unsigned gpio) { might_sleep(); - return gpio_get_value(gpio); + return __gpio_get_value(gpio); } static inline void gpio_set_value_cansleep(unsigned gpio, int value) { might_sleep(); - gpio_set_value(gpio, value); + __gpio_set_value(gpio, value); } #endif /* !CONFIG_GPIOLIB */ |