drivers/clk/uniphier/clk-uniphier.h

   1 /*
   2  * Copyright (C) 2016 Socionext Inc.
   3  *   Author: Masahiro Yamada <yamada.masahiro@socionext.com>
   4  *
   5  * SPDX-License-Identifier:     GPL-2.0+
   6  */
   7
   8 #ifndef __CLK_UNIPHIER_H__
   9 #define __CLK_UNIPHIER_H__
  10
  11 #include <linux/kernel.h>
  12
  13 #define UNIPHIER_CLK_MAX_NR_MUXS        8
  14
  15 struct uniphier_clk_gate_data {
  16         unsigned int id;
  17         unsigned int reg;
  18         unsigned int bit;
  19 };
  20
  21 struct uniphier_clk_mux_data {
  22         unsigned int id;
  23         unsigned int nr_muxs;
  24         unsigned int reg;
  25         unsigned int masks[UNIPHIER_CLK_MAX_NR_MUXS];
  26         unsigned int vals[UNIPHIER_CLK_MAX_NR_MUXS];
  27         unsigned long rates[UNIPHIER_CLK_MAX_NR_MUXS];
  28 };
  29
  30 struct uniphier_clk_data {
  31         const struct uniphier_clk_gate_data *gate;
  32         const struct uniphier_clk_mux_data *mux;
  33 };
  34
  35 #define UNIPHIER_CLK_ID_END             (unsigned int)(-1)
  36
  37 #define UNIPHIER_CLK_END                                \
  38         { .id = UNIPHIER_CLK_ID_END }
  39
  40 #define UNIPHIER_CLK_GATE(_id, _reg, _bit)              \
  41         {                                               \
  42                 .id = (_id),                            \
  43                 .reg = (_reg),                          \
  44                 .bit = (_bit),                          \
  45         }
  46
  47 #define UNIPHIER_CLK_FIXED_RATE(_id, _rate)             \
  48         {                                               \
  49                 .id = (_id),                            \
  50                 .rates = {(_reg),},                     \
  51         }
  52
  53 extern const struct uniphier_clk_data uniphier_mio_clk_data;
  54
  55 #endif /* __CLK_UNIPHIER_H__ */