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 #define PINCTRL_NMK_DB8540      2
  10
  11 /**
  12  * struct nmk_function - Nomadik pinctrl mux function
  13  * @name: The name of the function, exported to pinctrl core.
  14  * @groups: An array of pin groups that may select this function.
  15  * @ngroups: The number of entries in @groups.
  16  */
  17 struct nmk_function {
  18         const char *name;
  19         const char * const *groups;
  20         unsigned ngroups;
  21 };
  22
  23 /**
  24  * struct nmk_pingroup - describes a Nomadik pin group
  25  * @name: the name of this specific pin group
  26  * @pins: an array of discrete physical pins used in this group, taken
  27  *      from the driver-local pin enumeration space
  28  * @num_pins: the number of pins in this group array, i.e. the number of
  29  *      elements in .pins so we can iterate over that array
  30  * @altsetting: the altsetting to apply to all pins in this group to
  31  *      configure them to be used by a function
  32  */
  33 struct nmk_pingroup {
  34         const char *name;
  35         const unsigned int *pins;
  36         const unsigned npins;
  37         int altsetting;
  38 };
  39
  40 /**
  41  * struct nmk_pinctrl_soc_data - Nomadik pin controller per-SoC configuration
  42  * @gpio_ranges: An array of GPIO ranges for this SoC
  43  * @gpio_num_ranges: The number of GPIO ranges for this SoC
  44  * @pins:       An array describing all pins the pin controller affects.
  45  *              All pins which are also GPIOs must be listed first within the
  46  *              array, and be numbered identically to the GPIO controller's
  47  *              numbering.
  48  * @npins:      The number of entries in @pins.
  49  * @functions:  The functions supported on this SoC.
  50  * @nfunction:  The number of entries in @functions.
  51  * @groups:     An array describing all pin groups the pin SoC supports.
  52  * @ngroups:    The number of entries in @groups.
  53  */
  54 struct nmk_pinctrl_soc_data {
  55         struct pinctrl_gpio_range *gpio_ranges;
  56         unsigned gpio_num_ranges;
  57         const struct pinctrl_pin_desc *pins;
  58         unsigned npins;
  59         const struct nmk_function *functions;
  60         unsigned nfunctions;
  61         const struct nmk_pingroup *groups;
  62         unsigned ngroups;
  63 };
  64
  65 #ifdef CONFIG_PINCTRL_STN8815
  66
  67 void nmk_pinctrl_stn8815_init(const struct nmk_pinctrl_soc_data **soc);
  68
  69 #else
  70
  71 static inline void
  72 nmk_pinctrl_stn8815_init(const struct nmk_pinctrl_soc_data **soc)
  73 {
  74 }
  75
  76 #endif
  77
  78 #ifdef CONFIG_PINCTRL_DB8500
  79
  80 void nmk_pinctrl_db8500_init(const struct nmk_pinctrl_soc_data **soc);
  81
  82 #else
  83
  84 static inline void
  85 nmk_pinctrl_db8500_init(const struct nmk_pinctrl_soc_data **soc)
  86 {
  87 }
  88
  89 #endif
  90
  91 #ifdef CONFIG_PINCTRL_DB8540
  92
  93 void nmk_pinctrl_db8540_init(const struct nmk_pinctrl_soc_data **soc);
  94
  95 #else
  96
  97 static inline void
  98 nmk_pinctrl_db8540_init(const struct nmk_pinctrl_soc_data **soc)
  99 {
 100 }
 101
 102 #endif
 103
 104 #endif /* PINCTRL_PINCTRL_NOMADIK_H */