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The composite interface support the offset configuration, which is used to support mux and div in different registers. Because some sprd projects, the divider has different addresses from mux for one composite clk. Signed-off-by: Zhifeng Tang <zhifeng.tang@unisoc.com> Reviewed-by: Chunyan Zhang <zhang.lyra@gmail.com> Link: https://lore.kernel.org/r/20230913115211.11512-1-zhifeng.tang@unisoc.com Signed-off-by: Stephen Boyd <sboyd@kernel.org>
87 lines
2.7 KiB
C
87 lines
2.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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//
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// Spreadtrum composite clock driver
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//
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// Copyright (C) 2017 Spreadtrum, Inc.
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// Author: Chunyan Zhang <chunyan.zhang@spreadtrum.com>
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#ifndef _SPRD_COMPOSITE_H_
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#define _SPRD_COMPOSITE_H_
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#include "common.h"
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#include "mux.h"
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#include "div.h"
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struct sprd_comp {
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struct sprd_mux_ssel mux;
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struct sprd_div_internal div;
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struct sprd_clk_common common;
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};
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#define SPRD_COMP_CLK_HW_INIT_FN(_struct, _name, _parent, _reg, _table, \
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_mshift, _mwidth, _doffset, _dshift, \
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_dwidth, _flags, _fn) \
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struct sprd_comp _struct = { \
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.mux = _SPRD_MUX_CLK(_mshift, _mwidth, _table), \
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.div = _SPRD_DIV_CLK(_doffset, _dshift, _dwidth), \
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.common = { \
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.regmap = NULL, \
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.reg = _reg, \
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.hw.init = _fn(_name, _parent, \
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&sprd_comp_ops, _flags), \
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} \
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}
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#define SPRD_COMP_CLK_TABLE(_struct, _name, _parent, _reg, _table, \
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_mshift, _mwidth, _dshift, _dwidth, _flags) \
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SPRD_COMP_CLK_HW_INIT_FN(_struct, _name, _parent, _reg, _table, \
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_mshift, _mwidth, 0x0, _dshift, \
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_dwidth, _flags, CLK_HW_INIT_PARENTS)
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#define SPRD_COMP_CLK(_struct, _name, _parent, _reg, _mshift, \
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_mwidth, _dshift, _dwidth, _flags) \
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SPRD_COMP_CLK_TABLE(_struct, _name, _parent, _reg, NULL, \
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_mshift, _mwidth, _dshift, _dwidth, _flags)
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#define SPRD_COMP_CLK_DATA_TABLE(_struct, _name, _parent, _reg, _table, \
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_mshift, _mwidth, _dshift, \
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_dwidth, _flags) \
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SPRD_COMP_CLK_HW_INIT_FN(_struct, _name, _parent, _reg, _table, \
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_mshift, _mwidth, 0x0, _dshift, \
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_dwidth, _flags, \
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CLK_HW_INIT_PARENTS_DATA)
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#define SPRD_COMP_CLK_DATA(_struct, _name, _parent, _reg, _mshift, \
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_mwidth, _dshift, _dwidth, _flags) \
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SPRD_COMP_CLK_DATA_TABLE(_struct, _name, _parent, _reg, NULL, \
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_mshift, _mwidth, _dshift, _dwidth, \
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_flags)
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#define SPRD_COMP_CLK_DATA_TABLE_OFFSET(_struct, _name, _parent, _reg, \
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_table, _mshift, _mwidth, \
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_doffset, _dshift, _dwidth, \
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_flags) \
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SPRD_COMP_CLK_HW_INIT_FN(_struct, _name, _parent, _reg, _table, \
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_mshift, _mwidth, _doffset, _dshift, \
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_dwidth, _flags, \
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CLK_HW_INIT_PARENTS_DATA)
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#define SPRD_COMP_CLK_DATA_OFFSET(_struct, _name, _parent, _reg, \
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_mshift, _mwidth, _doffset, _dshift, \
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_dwidth, _flags) \
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SPRD_COMP_CLK_DATA_TABLE_OFFSET(_struct, _name, _parent, _reg, \
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NULL, _mshift, _mwidth, \
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_doffset, _dshift, _dwidth, \
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_flags)
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static inline struct sprd_comp *hw_to_sprd_comp(const struct clk_hw *hw)
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{
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struct sprd_clk_common *common = hw_to_sprd_clk_common(hw);
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return container_of(common, struct sprd_comp, common);
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}
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extern const struct clk_ops sprd_comp_ops;
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#endif /* _SPRD_COMPOSITE_H_ */
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