forked from Minki/linux
4fcba55cc6
This patch introduced composite driver for Spreadtrum's SoCs. The functions of this composite clock simply consist of divider and mux clocks. Signed-off-by: Chunyan Zhang <chunyan.zhang@spreadtrum.com> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
52 lines
1.3 KiB
C
52 lines
1.3 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_TABLE(_struct, _name, _parent, _reg, _table, \
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_mshift, _mwidth, _dshift, _dwidth, _flags) \
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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(_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 = CLK_HW_INIT_PARENTS(_name, \
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_parent, \
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&sprd_comp_ops, \
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_flags), \
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} \
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}
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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, \
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NULL, _mshift, _mwidth, \
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_dshift, _dwidth, _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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