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kernel add
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/*
* Copyright (c) 2014 Marvell Technology Group Ltd.
*
* Alexandre Belloni <alexandre.belloni@free-electrons.com>
* Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __BERLIN2_DIV_H
#define __BERLIN2_DIV_H
struct clk;
#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 * __init
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 */
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