drivers/pinctrl/pinctrl-nomadik.h

   1 #ifndef PINCTRL_PINCTRL_NOMADIK_H
   2 #define PINCTRL_PINCTRL_NOMADIK_H
   3
   4 #include <plat/gpio-nomadik.h>
   5
   6 /* Package definitions */
   7 #define PINCTRL_NMK_STN8815     0
   8 #define PINCTRL_NMK_DB8500      1
   9
  10 /**
  11  * struct nmk_function - Nomadik pinctrl mux function
  12  * @name: The name of the function, exported to pinctrl core.
  13  * @groups: An array of pin groups that may select this function.
  14  * @ngroups: The number of entries in @groups.
  15  */
  16 struct nmk_function {
  17         const char *name;
  18         const char * const *groups;
  19         unsigned ngroups;
  20 };
  21
  22 /**
  23  * struct nmk_pingroup - describes a Nomadik pin group
  24  * @name: the name of this specific pin group
  25  * @pins: an array of discrete physical pins used in this group, taken
  26  *      from the driver-local pin enumeration space
  27  * @num_pins: the number of pins in this group array, i.e. the number of
  28  *      elements in .pins so we can iterate over that array
  29  * @altsetting: the altsetting to apply to all pins in this group to
  30  *      configure them to be used by a function
  31  */
  32 struct nmk_pingroup {
  33         const char *name;
  34         const unsigned int *pins;
  35         const unsigned npins;
  36         int altsetting;
  37 };
  38
  39 /**
  40  * struct nmk_pinctrl_soc_data - Nomadik pin controller per-SoC configuration
  41  * @gpio_ranges: An array of GPIO ranges for this SoC
  42  * @gpio_num_ranges: The number of GPIO ranges for this SoC
  43  * @pins:       An array describing all pins the pin controller affects.
  44  *              All pins which are also GPIOs must be listed first within the
  45  *              array, and be numbered identically to the GPIO controller's
  46  *              numbering.
  47  * @npins:      The number of entries in @pins.
  48  * @functions:  The functions supported on this SoC.
  49  * @nfunction:  The number of entries in @functions.
  50  * @groups:     An array describing all pin groups the pin SoC supports.
  51  * @ngroups:    The number of entries in @groups.
  52  */
  53 struct nmk_pinctrl_soc_data {
  54         struct pinctrl_gpio_range *gpio_ranges;
  55         unsigned gpio_num_ranges;
  56         const struct pinctrl_pin_desc *pins;
  57         unsigned npins;
  58         const struct nmk_function *functions;
  59         unsigned nfunctions;
  60         const struct nmk_pingroup *groups;
  61         unsigned ngroups;
  62 };
  63
  64 #ifdef CONFIG_PINCTRL_DB8500
  65
  66 void nmk_pinctrl_db8500_init(const struct nmk_pinctrl_soc_data **soc);
  67
  68 #else
  69
  70 static inline void
  71 nmk_pinctrl_db8500_init(const struct nmk_pinctrl_soc_data **soc)
  72 {
  73 }
  74
  75 #endif
  76
  77 #endif /* PINCTRL_PINCTRL_NOMADIK_H */