diff options
Diffstat (limited to 'include/linux/gpio/driver.h')
| -rw-r--r-- | include/linux/gpio/driver.h | 24 |
1 files changed, 21 insertions, 3 deletions
diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h index af20369ec8e7..c97f8325e8bf 100644 --- a/include/linux/gpio/driver.h +++ b/include/linux/gpio/driver.h @@ -180,8 +180,27 @@ struct gpio_chip { * If CONFIG_OF is enabled, then all GPIO controllers described in the * device tree automatically may have an OF translation */ + + /** + * @of_node: + * + * Pointer to a device tree node representing this GPIO controller. + */ struct device_node *of_node; - int of_gpio_n_cells; + + /** + * @of_gpio_n_cells: + * + * Number of cells used to form the GPIO specifier. + */ + unsigned int of_gpio_n_cells; + + /** + * @of_xlate: + * + * Callback to translate a device tree GPIO specifier into a chip- + * relative GPIO number and flags. + */ int (*of_xlate)(struct gpio_chip *gc, const struct of_phandle_args *gpiospec, u32 *flags); #endif @@ -327,11 +346,10 @@ int gpiochip_generic_config(struct gpio_chip *chip, unsigned offset, /** * struct gpio_pin_range - pin range controlled by a gpio chip - * @head: list for maintaining set of pin ranges, used internally + * @node: list for maintaining set of pin ranges, used internally * @pctldev: pinctrl device which handles corresponding pins * @range: actual range of pins controlled by a gpio controller */ - struct gpio_pin_range { struct list_head node; struct pinctrl_dev *pctldev; |