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linux-next/drivers/clk/sunxi-ng/ccu_phase.h
Maxime Ripard 6f9f7f876e clk: sunxi-ng: Add phase clock support
Add support for the clocks in the CCU that introduce a phase shift from
their parent clock.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
Link: lkml.kernel.org/r/20160629190535.11855-7-maxime.ripard@free-electrons.com
2016-07-08 18:04:45 -07:00

51 lines
1.3 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_PHASE_H_
#define _CCU_PHASE_H_
#include <linux/clk-provider.h>
#include "ccu_common.h"
struct ccu_phase {
u8 shift;
u8 width;
struct ccu_common common;
};
#define SUNXI_CCU_PHASE(_struct, _name, _parent, _reg, _shift, _width, _flags) \
struct ccu_phase _struct = { \
.shift = _shift, \
.width = _width, \
.common = { \
.reg = _reg, \
.hw.init = CLK_HW_INIT(_name, \
_parent, \
&ccu_phase_ops, \
_flags), \
} \
}
static inline struct ccu_phase *hw_to_ccu_phase(struct clk_hw *hw)
{
struct ccu_common *common = hw_to_ccu_common(hw);
return container_of(common, struct ccu_phase, common);
}
extern const struct clk_ops ccu_phase_ops;
#endif /* _CCU_PHASE_H_ */