168 строки
4.3 KiB
C
168 строки
4.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
|
|
/*
|
|
* Copyright (c) 2016 Maxime Ripard. All rights reserved.
|
|
*/
|
|
|
|
#ifndef _CCU_NM_H_
|
|
#define _CCU_NM_H_
|
|
|
|
#include <linux/clk-provider.h>
|
|
|
|
#include "ccu_common.h"
|
|
#include "ccu_div.h"
|
|
#include "ccu_frac.h"
|
|
#include "ccu_mult.h"
|
|
#include "ccu_sdm.h"
|
|
|
|
/*
|
|
* struct ccu_nm - Definition of an N-M clock
|
|
*
|
|
* Clocks based on the formula parent * N / M
|
|
*/
|
|
struct ccu_nm {
|
|
u32 enable;
|
|
u32 lock;
|
|
|
|
struct ccu_mult_internal n;
|
|
struct ccu_div_internal m;
|
|
struct ccu_frac_internal frac;
|
|
struct ccu_sdm_internal sdm;
|
|
|
|
unsigned int fixed_post_div;
|
|
unsigned int min_rate;
|
|
unsigned int max_rate;
|
|
|
|
struct ccu_common common;
|
|
};
|
|
|
|
#define SUNXI_CCU_NM_WITH_SDM_GATE_LOCK(_struct, _name, _parent, _reg, \
|
|
_nshift, _nwidth, \
|
|
_mshift, _mwidth, \
|
|
_sdm_table, _sdm_en, \
|
|
_sdm_reg, _sdm_reg_en, \
|
|
_gate, _lock, _flags) \
|
|
struct ccu_nm _struct = { \
|
|
.enable = _gate, \
|
|
.lock = _lock, \
|
|
.n = _SUNXI_CCU_MULT(_nshift, _nwidth), \
|
|
.m = _SUNXI_CCU_DIV(_mshift, _mwidth), \
|
|
.sdm = _SUNXI_CCU_SDM(_sdm_table, _sdm_en, \
|
|
_sdm_reg, _sdm_reg_en),\
|
|
.common = { \
|
|
.reg = _reg, \
|
|
.features = CCU_FEATURE_SIGMA_DELTA_MOD, \
|
|
.hw.init = CLK_HW_INIT(_name, \
|
|
_parent, \
|
|
&ccu_nm_ops, \
|
|
_flags), \
|
|
}, \
|
|
}
|
|
|
|
#define SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(_struct, _name, _parent, _reg, \
|
|
_nshift, _nwidth, \
|
|
_mshift, _mwidth, \
|
|
_frac_en, _frac_sel, \
|
|
_frac_rate_0, _frac_rate_1, \
|
|
_gate, _lock, _flags) \
|
|
struct ccu_nm _struct = { \
|
|
.enable = _gate, \
|
|
.lock = _lock, \
|
|
.n = _SUNXI_CCU_MULT(_nshift, _nwidth), \
|
|
.m = _SUNXI_CCU_DIV(_mshift, _mwidth), \
|
|
.frac = _SUNXI_CCU_FRAC(_frac_en, _frac_sel, \
|
|
_frac_rate_0, \
|
|
_frac_rate_1), \
|
|
.common = { \
|
|
.reg = _reg, \
|
|
.features = CCU_FEATURE_FRACTIONAL, \
|
|
.hw.init = CLK_HW_INIT(_name, \
|
|
_parent, \
|
|
&ccu_nm_ops, \
|
|
_flags), \
|
|
}, \
|
|
}
|
|
|
|
#define SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK_MIN(_struct, _name, _parent, \
|
|
_reg, _min_rate, \
|
|
_nshift, _nwidth, \
|
|
_mshift, _mwidth, \
|
|
_frac_en, _frac_sel, \
|
|
_frac_rate_0, _frac_rate_1,\
|
|
_gate, _lock, _flags) \
|
|
struct ccu_nm _struct = { \
|
|
.enable = _gate, \
|
|
.lock = _lock, \
|
|
.n = _SUNXI_CCU_MULT(_nshift, _nwidth), \
|
|
.m = _SUNXI_CCU_DIV(_mshift, _mwidth), \
|
|
.frac = _SUNXI_CCU_FRAC(_frac_en, _frac_sel, \
|
|
_frac_rate_0, \
|
|
_frac_rate_1), \
|
|
.min_rate = _min_rate, \
|
|
.common = { \
|
|
.reg = _reg, \
|
|
.features = CCU_FEATURE_FRACTIONAL, \
|
|
.hw.init = CLK_HW_INIT(_name, \
|
|
_parent, \
|
|
&ccu_nm_ops, \
|
|
_flags), \
|
|
}, \
|
|
}
|
|
|
|
#define SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK_MIN_MAX(_struct, _name, \
|
|
_parent, _reg, \
|
|
_min_rate, _max_rate, \
|
|
_nshift, _nwidth, \
|
|
_mshift, _mwidth, \
|
|
_frac_en, _frac_sel, \
|
|
_frac_rate_0, \
|
|
_frac_rate_1, \
|
|
_gate, _lock, _flags) \
|
|
struct ccu_nm _struct = { \
|
|
.enable = _gate, \
|
|
.lock = _lock, \
|
|
.n = _SUNXI_CCU_MULT(_nshift, _nwidth), \
|
|
.m = _SUNXI_CCU_DIV(_mshift, _mwidth), \
|
|
.frac = _SUNXI_CCU_FRAC(_frac_en, _frac_sel, \
|
|
_frac_rate_0, \
|
|
_frac_rate_1), \
|
|
.min_rate = _min_rate, \
|
|
.max_rate = _max_rate, \
|
|
.common = { \
|
|
.reg = _reg, \
|
|
.features = CCU_FEATURE_FRACTIONAL, \
|
|
.hw.init = CLK_HW_INIT(_name, \
|
|
_parent, \
|
|
&ccu_nm_ops, \
|
|
_flags), \
|
|
}, \
|
|
}
|
|
|
|
#define SUNXI_CCU_NM_WITH_GATE_LOCK(_struct, _name, _parent, _reg, \
|
|
_nshift, _nwidth, \
|
|
_mshift, _mwidth, \
|
|
_gate, _lock, _flags) \
|
|
struct ccu_nm _struct = { \
|
|
.enable = _gate, \
|
|
.lock = _lock, \
|
|
.n = _SUNXI_CCU_MULT(_nshift, _nwidth), \
|
|
.m = _SUNXI_CCU_DIV(_mshift, _mwidth), \
|
|
.common = { \
|
|
.reg = _reg, \
|
|
.hw.init = CLK_HW_INIT(_name, \
|
|
_parent, \
|
|
&ccu_nm_ops, \
|
|
_flags), \
|
|
}, \
|
|
}
|
|
|
|
static inline struct ccu_nm *hw_to_ccu_nm(struct clk_hw *hw)
|
|
{
|
|
struct ccu_common *common = hw_to_ccu_common(hw);
|
|
|
|
return container_of(common, struct ccu_nm, common);
|
|
}
|
|
|
|
extern const struct clk_ops ccu_nm_ops;
|
|
|
|
#endif /* _CCU_NM_H_ */
|