ccu_nk.h
/*
* Copyright (c) 2016 Maxime Ripard. All rights reserved.
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* This program is distributed in the hope that 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.
*/
#ifndef _CCU_NK_H_
#define _CCU_NK_H_
#include <linux/clk-provider.h>
#include "ccu_common.h"
#include "ccu_div.h"
#include "ccu_mult.h"
/*
* struct ccu_nk - Definition of an N-K clock
*
* Clocks based on the formula parent * N * K
*/
struct ccu_nk {
u16 reg;
u32 enable;
u32 lock;
struct ccu_mult_internal n;
struct ccu_mult_internal k;
unsigned int fixed_post_div;
struct ccu_common common;
};
#define SUNXI_CCU_NK_WITH_GATE_LOCK_POSTDIV(_struct, _name, _parent, _reg, \
_nshift, _nwidth, \
_kshift, _kwidth, \
_gate, _lock, _postdiv, \
_flags) \
struct ccu_nk _struct = { \
.enable = _gate, \
.lock = _lock, \
.k = _SUNXI_CCU_MULT(_kshift, _kwidth), \
.n = _SUNXI_CCU_MULT(_nshift, _nwidth), \
.fixed_post_div = _postdiv, \
.common = { \
.reg = _reg, \
.features = CCU_FEATURE_FIXED_POSTDIV, \
.hw.init = CLK_HW_INIT(_name, \
_parent, \
&ccu_nk_ops, \
_flags), \
}, \
}
static inline struct ccu_nk *hw_to_ccu_nk(struct clk_hw *hw)
{
struct ccu_common *common = hw_to_ccu_common(hw);
return container_of(common, struct ccu_nk, common);
}
extern const struct clk_ops ccu_nk_ops;
#endif /* _CCU_NK_H_ */