forked from Minki/linux
adbfb0056e
Introduce support for clocks that use a combination of two linear multipliers. Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> Signed-off-by: Michael Turquette <mturquette@baylibre.com> Link: lkml.kernel.org/r/20160629190535.11855-10-maxime.ripard@free-electrons.com
72 lines
1.7 KiB
C
72 lines
1.7 KiB
C
/*
|
|
* 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 n;
|
|
struct _ccu_mult 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_ */
|