clk/berlin/berlin2-div.h

0001 /* SPDX-License-Identifier: GPL-2.0 */
0002 /*
0003  * Copyright (c) 2014 Marvell Technology Group Ltd.
0004  *
0005  * Alexandre Belloni <alexandre.belloni@free-electrons.com>
0006  * Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
0007  */
0008 #ifndef __BERLIN2_DIV_H
0009 #define __BERLIN2_DIV_H
0010
0011 struct clk_hw;
0012
0013 #define BERLIN2_DIV_HAS_GATE        BIT(0)
0014 #define BERLIN2_DIV_HAS_MUX     BIT(1)
0015
0016 #define BERLIN2_PLL_SELECT(_off, _sh)   \
0017     .pll_select_offs = _off,    \
0018     .pll_select_shift = _sh
0019
0020 #define BERLIN2_PLL_SWITCH(_off, _sh)   \
0021     .pll_switch_offs = _off,    \
0022     .pll_switch_shift = _sh
0023
0024 #define BERLIN2_DIV_SELECT(_off, _sh)   \
0025     .div_select_offs = _off,    \
0026     .div_select_shift = _sh
0027
0028 #define BERLIN2_DIV_SWITCH(_off, _sh)   \
0029     .div_switch_offs = _off,    \
0030     .div_switch_shift = _sh
0031
0032 #define BERLIN2_DIV_D3SWITCH(_off, _sh) \
0033     .div3_switch_offs = _off,   \
0034     .div3_switch_shift = _sh
0035
0036 #define BERLIN2_DIV_GATE(_off, _sh) \
0037     .gate_offs = _off,      \
0038     .gate_shift = _sh
0039
0040 #define BERLIN2_SINGLE_DIV(_off)    \
0041     BERLIN2_DIV_GATE(_off, 0),  \
0042     BERLIN2_PLL_SELECT(_off, 1),    \
0043     BERLIN2_PLL_SWITCH(_off, 4),    \
0044     BERLIN2_DIV_SWITCH(_off, 5),    \
0045     BERLIN2_DIV_D3SWITCH(_off, 6),  \
0046     BERLIN2_DIV_SELECT(_off, 7)
0047
0048 struct berlin2_div_map {
0049     u16 pll_select_offs;
0050     u16 pll_switch_offs;
0051     u16 div_select_offs;
0052     u16 div_switch_offs;
0053     u16 div3_switch_offs;
0054     u16 gate_offs;
0055     u8 pll_select_shift;
0056     u8 pll_switch_shift;
0057     u8 div_select_shift;
0058     u8 div_switch_shift;
0059     u8 div3_switch_shift;
0060     u8 gate_shift;
0061 };
0062
0063 struct berlin2_div_data {
0064     const char *name;
0065     const u8 *parent_ids;
0066     int num_parents;
0067     unsigned long flags;
0068     struct berlin2_div_map map;
0069     u8 div_flags;
0070 };
0071
0072 struct clk_hw *
0073 berlin2_div_register(const struct berlin2_div_map *map,
0074          void __iomem *base,  const char *name, u8 div_flags,
0075          const char **parent_names, int num_parents,
0076          unsigned long flags,  spinlock_t *lock);
0077
0078 #endif /* __BERLIN2_DIV_H */