drivers/clk/berlin/berlin2-div.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*
   3  * Copyright (c) 2014 Marvell Technology Group Ltd.
   4  *
   5  * Alexandre Belloni <alexandre.belloni@free-electrons.com>
   6  * Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
   7  */
   8 #ifndef __BERLIN2_DIV_H
   9 #define __BERLIN2_DIV_H
  10
  11 struct clk_hw;
  12
  13 #define BERLIN2_DIV_HAS_GATE            BIT(0)
  14 #define BERLIN2_DIV_HAS_MUX             BIT(1)
  15
  16 #define BERLIN2_PLL_SELECT(_off, _sh)   \
  17         .pll_select_offs = _off,        \
  18         .pll_select_shift = _sh
  19
  20 #define BERLIN2_PLL_SWITCH(_off, _sh)   \
  21         .pll_switch_offs = _off,        \
  22         .pll_switch_shift = _sh
  23
  24 #define BERLIN2_DIV_SELECT(_off, _sh)   \
  25         .div_select_offs = _off,        \
  26         .div_select_shift = _sh
  27
  28 #define BERLIN2_DIV_SWITCH(_off, _sh)   \
  29         .div_switch_offs = _off,        \
  30         .div_switch_shift = _sh
  31
  32 #define BERLIN2_DIV_D3SWITCH(_off, _sh) \
  33         .div3_switch_offs = _off,       \
  34         .div3_switch_shift = _sh
  35
  36 #define BERLIN2_DIV_GATE(_off, _sh)     \
  37         .gate_offs = _off,              \
  38         .gate_shift = _sh
  39
  40 #define BERLIN2_SINGLE_DIV(_off)        \
  41         BERLIN2_DIV_GATE(_off, 0),      \
  42         BERLIN2_PLL_SELECT(_off, 1),    \
  43         BERLIN2_PLL_SWITCH(_off, 4),    \
  44         BERLIN2_DIV_SWITCH(_off, 5),    \
  45         BERLIN2_DIV_D3SWITCH(_off, 6),  \
  46         BERLIN2_DIV_SELECT(_off, 7)
  47
  48 struct berlin2_div_map {
  49         u16 pll_select_offs;
  50         u16 pll_switch_offs;
  51         u16 div_select_offs;
  52         u16 div_switch_offs;
  53         u16 div3_switch_offs;
  54         u16 gate_offs;
  55         u8 pll_select_shift;
  56         u8 pll_switch_shift;
  57         u8 div_select_shift;
  58         u8 div_switch_shift;
  59         u8 div3_switch_shift;
  60         u8 gate_shift;
  61 };
  62
  63 struct berlin2_div_data {
  64         const char *name;
  65         const u8 *parent_ids;
  66         int num_parents;
  67         unsigned long flags;
  68         struct berlin2_div_map map;
  69         u8 div_flags;
  70 };
  71
  72 struct clk_hw *
  73 berlin2_div_register(const struct berlin2_div_map *map,
  74              void __iomem *base,  const char *name, u8 div_flags,
  75              const char **parent_names, int num_parents,
  76              unsigned long flags,  spinlock_t *lock);
  77
  78 #endif /* __BERLIN2_DIV_H */