drivers/clk/sprd/composite.h

   1 // SPDX-License-Identifier: GPL-2.0
   2 //
   3 // Spreadtrum composite clock driver
   4 //
   5 // Copyright (C) 2017 Spreadtrum, Inc.
   6 // Author: Chunyan Zhang <chunyan.zhang@spreadtrum.com>
   7
   8 #ifndef _SPRD_COMPOSITE_H_
   9 #define _SPRD_COMPOSITE_H_
  10
  11 #include "common.h"
  12 #include "mux.h"
  13 #include "div.h"
  14
  15 struct sprd_comp {
  16         struct sprd_mux_ssel    mux;
  17         struct sprd_div_internal        div;
  18         struct sprd_clk_common  common;
  19 };
  20
  21 #define SPRD_COMP_CLK_TABLE(_struct, _name, _parent, _reg, _table,      \
  22                         _mshift, _mwidth, _dshift, _dwidth, _flags)     \
  23         struct sprd_comp _struct = {                                    \
  24                 .mux    = _SPRD_MUX_CLK(_mshift, _mwidth, _table),      \
  25                 .div    = _SPRD_DIV_CLK(_dshift, _dwidth),              \
  26                 .common = {                                             \
  27                         .regmap         = NULL,                         \
  28                         .reg            = _reg,                         \
  29                         .hw.init = CLK_HW_INIT_PARENTS(_name,           \
  30                                                        _parent,         \
  31                                                        &sprd_comp_ops,  \
  32                                                        _flags),         \
  33                          }                                              \
  34         }
  35
  36 #define SPRD_COMP_CLK(_struct, _name, _parent, _reg, _mshift,   \
  37                         _mwidth, _dshift, _dwidth, _flags)      \
  38         SPRD_COMP_CLK_TABLE(_struct, _name, _parent, _reg,      \
  39                             NULL, _mshift, _mwidth,             \
  40                             _dshift, _dwidth, _flags)
  41
  42 static inline struct sprd_comp *hw_to_sprd_comp(const struct clk_hw *hw)
  43 {
  44         struct sprd_clk_common *common = hw_to_sprd_clk_common(hw);
  45
  46         return container_of(common, struct sprd_comp, common);
  47 }
  48
  49 extern const struct clk_ops sprd_comp_ops;
  50
  51 #endif /* _SPRD_COMPOSITE_H_ */