diff options
Diffstat (limited to 'include/linux/pinctrl/pinctrl.h')
| -rw-r--r-- | include/linux/pinctrl/pinctrl.h | 26 |
1 files changed, 23 insertions, 3 deletions
diff --git a/include/linux/pinctrl/pinctrl.h b/include/linux/pinctrl/pinctrl.h index 7ce23450a1cb..487117ccb1bc 100644 --- a/include/linux/pinctrl/pinctrl.h +++ b/include/linux/pinctrl/pinctrl.h @@ -27,6 +27,26 @@ struct gpio_chip; struct device_node; /** + * struct pingroup - provides information on pingroup + * @name: a name for pingroup + * @pins: an array of pins in the pingroup + * @npins: number of pins in the pingroup + */ +struct pingroup { + const char *name; + const unsigned int *pins; + size_t npins; +}; + +/* Convenience macro to define a single named or anonymous pingroup */ +#define PINCTRL_PINGROUP(_name, _pins, _npins) \ +(struct pingroup){ \ + .name = _name, \ + .pins = _pins, \ + .npins = _npins, \ +} + +/** * struct pinctrl_pin_desc - boards/machines provide information on their * pins, pads or other muxable units in this struct * @number: unique pin number from the global pin number space @@ -51,8 +71,8 @@ struct pinctrl_pin_desc { * @id: an ID number for the chip in this range * @base: base offset of the GPIO range * @pin_base: base pin number of the GPIO range if pins == NULL - * @pins: enumeration of pins in GPIO range or NULL * @npins: number of pins in the GPIO range, including the base number + * @pins: enumeration of pins in GPIO range or NULL * @gc: an optional pointer to a gpio_chip */ struct pinctrl_gpio_range { @@ -61,8 +81,8 @@ struct pinctrl_gpio_range { unsigned int id; unsigned int base; unsigned int pin_base; - unsigned const *pins; unsigned int npins; + unsigned const *pins; struct gpio_chip *gc; }; @@ -186,7 +206,7 @@ extern int pinctrl_get_group_pins(struct pinctrl_dev *pctldev, const char *pin_group, const unsigned **pins, unsigned *num_pins); -#ifdef CONFIG_OF +#if IS_ENABLED(CONFIG_OF) && IS_ENABLED(CONFIG_PINCTRL) extern struct pinctrl_dev *of_pinctrl_get(struct device_node *np); #else static inline |