linux/drivers/clk/actions/owl-composite.h

125 lines
3.1 KiB
C

/* SPDX-License-Identifier: GPL-2.0+ */
//
// OWL composite clock driver
//
// Copyright (c) 2014 Actions Semi Inc.
// Author: David Liu <liuwei@actions-semi.com>
//
// Copyright (c) 2018 Linaro Ltd.
// Author: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
#ifndef _OWL_COMPOSITE_H_
#define _OWL_COMPOSITE_H_
#include "owl-common.h"
#include "owl-mux.h"
#include "owl-gate.h"
#include "owl-factor.h"
#include "owl-fixed-factor.h"
#include "owl-divider.h"
union owl_rate {
struct owl_divider_hw div_hw;
struct owl_factor_hw factor_hw;
struct clk_fixed_factor fix_fact_hw;
};
struct owl_composite {
struct owl_mux_hw mux_hw;
struct owl_gate_hw gate_hw;
union owl_rate rate;
const struct clk_ops *fix_fact_ops;
struct owl_clk_common common;
};
#define OWL_COMP_DIV(_struct, _name, _parent, \
_mux, _gate, _div, _flags) \
struct owl_composite _struct = { \
.mux_hw = _mux, \
.gate_hw = _gate, \
.rate.div_hw = _div, \
.common = { \
.regmap = NULL, \
.hw.init = CLK_HW_INIT_PARENTS(_name, \
_parent, \
&owl_comp_div_ops,\
_flags), \
}, \
}
#define OWL_COMP_DIV_FIXED(_struct, _name, _parent, \
_gate, _div, _flags) \
struct owl_composite _struct = { \
.gate_hw = _gate, \
.rate.div_hw = _div, \
.common = { \
.regmap = NULL, \
.hw.init = CLK_HW_INIT(_name, \
_parent, \
&owl_comp_div_ops,\
_flags), \
}, \
}
#define OWL_COMP_FACTOR(_struct, _name, _parent, \
_mux, _gate, _factor, _flags) \
struct owl_composite _struct = { \
.mux_hw = _mux, \
.gate_hw = _gate, \
.rate.factor_hw = _factor, \
.common = { \
.regmap = NULL, \
.hw.init = CLK_HW_INIT_PARENTS(_name, \
_parent, \
&owl_comp_fact_ops,\
_flags), \
}, \
}
#define OWL_COMP_FIXED_FACTOR(_struct, _name, _parent, \
_gate, _mul, _div, _flags) \
struct owl_composite _struct = { \
.gate_hw = _gate, \
.rate.fix_fact_hw.mult = _mul, \
.rate.fix_fact_hw.div = _div, \
.fix_fact_ops = &clk_fixed_factor_ops, \
.common = { \
.regmap = NULL, \
.hw.init = CLK_HW_INIT(_name, \
_parent, \
&owl_comp_fix_fact_ops,\
_flags), \
}, \
}
#define OWL_COMP_PASS(_struct, _name, _parent, \
_mux, _gate, _flags) \
struct owl_composite _struct = { \
.mux_hw = _mux, \
.gate_hw = _gate, \
.common = { \
.regmap = NULL, \
.hw.init = CLK_HW_INIT_PARENTS(_name, \
_parent, \
&owl_comp_pass_ops,\
_flags), \
}, \
}
static inline struct owl_composite *hw_to_owl_comp(const struct clk_hw *hw)
{
struct owl_clk_common *common = hw_to_owl_clk_common(hw);
return container_of(common, struct owl_composite, common);
}
extern const struct clk_ops owl_comp_div_ops;
extern const struct clk_ops owl_comp_fact_ops;
extern const struct clk_ops owl_comp_fix_fact_ops;
extern const struct clk_ops owl_comp_pass_ops;
extern const struct clk_ops clk_fixed_factor_ops;
#endif /* _OWL_COMPOSITE_H_ */