drivers/pinctrl/realtek/pinctrl-rtd.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3  * Copyright (c) 2023 Realtek Semiconductor Corp.
   4  */
   5
   6 #define NA 0xffffffff
   7 #define PADDRI_4_8 1
   8 #define PADDRI_2_4 0
   9
  10 struct rtd_pin_group_desc {
  11         const char *name;
  12         const unsigned int *pins;
  13         unsigned int num_pins;
  14 };
  15
  16 struct rtd_pin_func_desc {
  17         const char *name;
  18         const char * const *groups;
  19         unsigned int num_groups;
  20 };
  21
  22 struct rtd_pin_mux_desc {
  23         const char *name;
  24         u32 mux_value;
  25 };
  26
  27 struct rtd_pin_config_desc {
  28         const char *name;
  29         unsigned int reg_offset;
  30         unsigned int base_bit;
  31         unsigned int pud_en_offset;
  32         unsigned int pud_sel_offset;
  33         unsigned int curr_offset;
  34         unsigned int smt_offset;
  35         unsigned int power_offset;
  36         unsigned int curr_type;
  37 };
  38
  39 struct rtd_pin_sconfig_desc {
  40         const char *name;
  41         unsigned int reg_offset;
  42         unsigned int dcycle_offset;
  43         unsigned int dcycle_maskbits;
  44         unsigned int ndrive_offset;
  45         unsigned int ndrive_maskbits;
  46         unsigned int pdrive_offset;
  47         unsigned int pdrive_maskbits;
  48 };
  49
  50 struct rtd_pin_desc {
  51         const char *name;
  52         unsigned int mux_offset;
  53         u32 mux_mask;
  54         const struct rtd_pin_mux_desc *functions;
  55 };
  56
  57 struct rtd_pin_reg_list {
  58         unsigned int reg_offset;
  59         unsigned int val;
  60 };
  61
  62 #define SHIFT_LEFT(_val, _shift) ((_val) << (_shift))
  63
  64 #define RTK_PIN_MUX(_name, _mux_off, _mux_mask, ...) \
  65         { \
  66                 .name = # _name, \
  67                 .mux_offset = _mux_off, \
  68                 .mux_mask = _mux_mask, \
  69                 .functions = (const struct rtd_pin_mux_desc []) { \
  70                         __VA_ARGS__, { } \
  71                 }, \
  72         }
  73
  74 #define RTK_PIN_CONFIG(_name, _reg_off, _base_bit, _pud_en_off, \
  75                        _pud_sel_off, _curr_off, _smt_off, _pow_off, _curr_type) \
  76         { \
  77                 .name = # _name, \
  78                 .reg_offset = _reg_off, \
  79                 .base_bit = _base_bit, \
  80                 .pud_en_offset = _pud_en_off, \
  81                 .pud_sel_offset = _pud_sel_off, \
  82                 .curr_offset = _curr_off, \
  83                 .smt_offset = _smt_off, \
  84                 .power_offset = _pow_off, \
  85                 .curr_type = _curr_type, \
  86         }
  87
  88 #define RTK_PIN_SCONFIG(_name, _reg_off, _d_offset, _d_mask, \
  89                         _n_offset, _n_mask, _p_offset, _p_mask) \
  90         { \
  91                 .name = # _name, \
  92                 .reg_offset = _reg_off, \
  93                 .dcycle_offset = _d_offset, \
  94                 .dcycle_maskbits = _d_mask, \
  95                 .ndrive_offset = _n_offset, \
  96                 .ndrive_maskbits = _n_mask, \
  97                 .pdrive_offset = _p_offset, \
  98                 .pdrive_maskbits = _p_mask, \
  99         }
 100
 101 #define RTK_PIN_FUNC(_mux_val, _name) \
 102         { \
 103                 .name = _name, \
 104                 .mux_value = _mux_val, \
 105         }
 106
 107 struct rtd_pinctrl_desc {
 108         const struct pinctrl_pin_desc *pins;
 109         unsigned int num_pins;
 110         const struct rtd_pin_group_desc *groups;
 111         unsigned int num_groups;
 112         const struct rtd_pin_func_desc *functions;
 113         unsigned int num_functions;
 114         const struct rtd_pin_desc *muxes;
 115         unsigned int num_muxes;
 116         const struct rtd_pin_config_desc *configs;
 117         unsigned int num_configs;
 118         const struct rtd_pin_sconfig_desc *sconfigs;
 119         unsigned int num_sconfigs;
 120         struct rtd_pin_reg_list *lists;
 121         unsigned int num_regs;
 122 };
 123
 124 int rtd_pinctrl_probe(struct platform_device *pdev, const struct rtd_pinctrl_desc *desc);