drivers/clk/sunxi-ng/ccu_nkmp.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * Copyright (c) 2016 Maxime Ripard. All rights reserved.
   4  */
   5
   6 #ifndef _CCU_NKMP_H_
   7 #define _CCU_NKMP_H_
   8
   9 #include <linux/clk-provider.h>
  10
  11 #include "ccu_common.h"
  12 #include "ccu_div.h"
  13 #include "ccu_mult.h"
  14
  15 /*
  16  * struct ccu_nkmp - Definition of an N-K-M-P clock
  17  *
  18  * Clocks based on the formula parent * N * K >> P / M
  19  */
  20 struct ccu_nkmp {
  21         u32                     enable;
  22         u32                     lock;
  23
  24         struct ccu_mult_internal        n;
  25         struct ccu_mult_internal        k;
  26         struct ccu_div_internal         m;
  27         struct ccu_div_internal         p;
  28
  29         unsigned int            fixed_post_div;
  30         unsigned int            max_rate;
  31
  32         struct ccu_common       common;
  33 };
  34
  35 #define SUNXI_CCU_NKMP_WITH_GATE_LOCK(_struct, _name, _parent, _reg,    \
  36                                       _nshift, _nwidth,                 \
  37                                       _kshift, _kwidth,                 \
  38                                       _mshift, _mwidth,                 \
  39                                       _pshift, _pwidth,                 \
  40                                       _gate, _lock, _flags)             \
  41         struct ccu_nkmp _struct = {                                     \
  42                 .enable         = _gate,                                \
  43                 .lock           = _lock,                                \
  44                 .n              = _SUNXI_CCU_MULT(_nshift, _nwidth),    \
  45                 .k              = _SUNXI_CCU_MULT(_kshift, _kwidth),    \
  46                 .m              = _SUNXI_CCU_DIV(_mshift, _mwidth),     \
  47                 .p              = _SUNXI_CCU_DIV(_pshift, _pwidth),     \
  48                 .common         = {                                     \
  49                         .reg            = _reg,                         \
  50                         .hw.init        = CLK_HW_INIT(_name,            \
  51                                                       _parent,          \
  52                                                       &ccu_nkmp_ops,    \
  53                                                       _flags),          \
  54                 },                                                      \
  55         }
  56
  57 static inline struct ccu_nkmp *hw_to_ccu_nkmp(struct clk_hw *hw)
  58 {
  59         struct ccu_common *common = hw_to_ccu_common(hw);
  60
  61         return container_of(common, struct ccu_nkmp, common);
  62 }
  63
  64 extern const struct clk_ops ccu_nkmp_ops;
  65
  66 #endif /* _CCU_NKMP_H_ */