drivers/pinctrl/pinctrl-adi2.h

   1 /*
   2  * Pinctrl Driver for ADI GPIO2 controller
   3  *
   4  * Copyright 2007-2013 Analog Devices Inc.
   5  *
   6  * Licensed under the GPLv2 or later
   7  */
   8
   9 #ifndef PINCTRL_PINCTRL_ADI2_H
  10 #define PINCTRL_PINCTRL_ADI2_H
  11
  12 #include <linux/pinctrl/pinctrl.h>
  13
  14  /**
  15  * struct adi_pin_group - describes a pin group
  16  * @name: the name of this pin group
  17  * @pins: an array of pins
  18  * @num: the number of pins in this array
  19  */
  20 struct adi_pin_group {
  21         const char *name;
  22         const unsigned *pins;
  23         const unsigned num;
  24         const unsigned short *mux;
  25 };
  26
  27 #define ADI_PIN_GROUP(n, p, m)  \
  28         {                       \
  29                 .name = n,      \
  30                 .pins = p,      \
  31                 .num = ARRAY_SIZE(p),   \
  32                 .mux = m,                       \
  33         }
  34
  35  /**
  36  * struct adi_pmx_func - describes function mux setting of pin groups
  37  * @name: the name of this function mux setting
  38  * @groups: an array of pin groups
  39  * @num_groups: the number of pin groups in this array
  40  * @mux: the function mux setting array, end by zero
  41  */
  42 struct adi_pmx_func {
  43         const char *name;
  44         const char * const *groups;
  45         const unsigned num_groups;
  46 };
  47
  48 #define ADI_PMX_FUNCTION(n, g)          \
  49         {                                       \
  50                 .name = n,                      \
  51                 .groups = g,                    \
  52                 .num_groups = ARRAY_SIZE(g),    \
  53         }
  54
  55 /**
  56  * struct adi_pinctrl_soc_data - ADI pin controller per-SoC configuration
  57  * @functions:  The functions supported on this SoC.
  58  * @nfunction:  The number of entries in @functions.
  59  * @groups:     An array describing all pin groups the pin SoC supports.
  60  * @ngroups:    The number of entries in @groups.
  61  * @pins:       An array describing all pins the pin controller affects.
  62  * @npins:      The number of entries in @pins.
  63  */
  64 struct adi_pinctrl_soc_data {
  65         const struct adi_pmx_func *functions;
  66         int nfunctions;
  67         const struct adi_pin_group *groups;
  68         int ngroups;
  69         const struct pinctrl_pin_desc *pins;
  70         int npins;
  71 };
  72
  73 void adi_pinctrl_soc_init(const struct adi_pinctrl_soc_data **soc);
  74
  75 #endif /* PINCTRL_PINCTRL_ADI2_H */