LXR linux/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
  11struct 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
  48struct 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
  63struct 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
  72struct clk_hw *
  73berlin2_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 */
  79