67 lines
1.5 KiB
C
67 lines
1.5 KiB
C
|
/* SPDX-License-Identifier: GPL-2.0-only */
|
||
|
|
/*
|
||
|
|
* Copyright (c) 2016 Maxime Ripard. All rights reserved.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef _CCU_NKMP_H_
|
||
|
|
#define _CCU_NKMP_H_
|
||
|
|
|
||
|
|
#include <linux/clk-provider.h>
|
||
|
|
|
||
|
|
#include "ccu_common.h"
|
||
|
|
#include "ccu_div.h"
|
||
|
|
#include "ccu_mult.h"
|
||
|
|
|
||
|
|
/*
|
||
|
|
* struct ccu_nkmp - Definition of an N-K-M-P clock
|
||
|
|
*
|
||
|
|
* Clocks based on the formula parent * N * K >> P / M
|
||
|
|
*/
|
||
|
|
struct ccu_nkmp {
|
||
|
|
u32 enable;
|
||
|
|
u32 lock;
|
||
|
|
|
||
|
|
struct ccu_mult_internal n;
|
||
|
|
struct ccu_mult_internal k;
|
||
|
|
struct ccu_div_internal m;
|
||
|
|
struct ccu_div_internal p;
|
||
|
|
|
||
|
|
unsigned int fixed_post_div;
|
||
|
|
unsigned int max_rate;
|
||
|
|
|
||
|
|
struct ccu_common common;
|
||
|
|
};
|
||
|
|
|
||
|
|
#define SUNXI_CCU_NKMP_WITH_GATE_LOCK(_struct, _name, _parent, _reg, \
|
||
|
|
_nshift, _nwidth, \
|
||
|
|
_kshift, _kwidth, \
|
||
|
|
_mshift, _mwidth, \
|
||
|
|
_pshift, _pwidth, \
|
||
|
|
_gate, _lock, _flags) \
|
||
|
|
struct ccu_nkmp _struct = { \
|
||
|
|
.enable = _gate, \
|
||
|
|
.lock = _lock, \
|
||
|
|
.n = _SUNXI_CCU_MULT(_nshift, _nwidth), \
|
||
|
|
.k = _SUNXI_CCU_MULT(_kshift, _kwidth), \
|
||
|
|
.m = _SUNXI_CCU_DIV(_mshift, _mwidth), \
|
||
|
|
.p = _SUNXI_CCU_DIV(_pshift, _pwidth), \
|
||
|
|
.common = { \
|
||
|
|
.reg = _reg, \
|
||
|
|
.hw.init = CLK_HW_INIT(_name, \
|
||
|
|
_parent, \
|
||
|
|
&ccu_nkmp_ops, \
|
||
|
|
_flags), \
|
||
|
|
}, \
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline struct ccu_nkmp *hw_to_ccu_nkmp(struct clk_hw *hw)
|
||
|
|
{
|
||
|
|
struct ccu_common *common = hw_to_ccu_common(hw);
|
||
|
|
|
||
|
|
return container_of(common, struct ccu_nkmp, common);
|
||
|
|
}
|
||
|
|
|
||
|
|
extern const struct clk_ops ccu_nkmp_ops;
|
||
|
|
|
||
|
|
#endif /* _CCU_NKMP_H_ */
|