linux/drivers/clk/berlin/berlin2-div.h

79 lines
1.8 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (c) 2014 Marvell Technology Group Ltd.
*
* Alexandre Belloni <alexandre.belloni@free-electrons.com>
* Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
*/
#ifndef __BERLIN2_DIV_H
#define __BERLIN2_DIV_H
struct clk_hw;
#define BERLIN2_DIV_HAS_GATE BIT(0)
#define BERLIN2_DIV_HAS_MUX BIT(1)
#define BERLIN2_PLL_SELECT(_off, _sh) \
.pll_select_offs = _off, \
.pll_select_shift = _sh
#define BERLIN2_PLL_SWITCH(_off, _sh) \
.pll_switch_offs = _off, \
.pll_switch_shift = _sh
#define BERLIN2_DIV_SELECT(_off, _sh) \
.div_select_offs = _off, \
.div_select_shift = _sh
#define BERLIN2_DIV_SWITCH(_off, _sh) \
.div_switch_offs = _off, \
.div_switch_shift = _sh
#define BERLIN2_DIV_D3SWITCH(_off, _sh) \
.div3_switch_offs = _off, \
.div3_switch_shift = _sh
#define BERLIN2_DIV_GATE(_off, _sh) \
.gate_offs = _off, \
.gate_shift = _sh
#define BERLIN2_SINGLE_DIV(_off) \
BERLIN2_DIV_GATE(_off, 0), \
BERLIN2_PLL_SELECT(_off, 1), \
BERLIN2_PLL_SWITCH(_off, 4), \
BERLIN2_DIV_SWITCH(_off, 5), \
BERLIN2_DIV_D3SWITCH(_off, 6), \
BERLIN2_DIV_SELECT(_off, 7)
struct berlin2_div_map {
u16 pll_select_offs;
u16 pll_switch_offs;
u16 div_select_offs;
u16 div_switch_offs;
u16 div3_switch_offs;
u16 gate_offs;
u8 pll_select_shift;
u8 pll_switch_shift;
u8 div_select_shift;
u8 div_switch_shift;
u8 div3_switch_shift;
u8 gate_shift;
};
struct berlin2_div_data {
const char *name;
const u8 *parent_ids;
int num_parents;
unsigned long flags;
struct berlin2_div_map map;
u8 div_flags;
};
struct clk_hw *
berlin2_div_register(const struct berlin2_div_map *map,
void __iomem *base, const char *name, u8 div_flags,
const char **parent_names, int num_parents,
unsigned long flags, spinlock_t *lock);
#endif /* __BERLIN2_DIV_H */