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91 lines
2.4 KiB
91 lines
2.4 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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/* |
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* Copyright (c) 2018 MediaTek Inc. |
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* Author: Owen Chen <[email protected]> |
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*/ |
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#ifndef __DRV_CLK_MTK_MUX_H |
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#define __DRV_CLK_MTK_MUX_H |
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#include <linux/clk-provider.h> |
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struct mtk_clk_mux { |
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struct clk_hw hw; |
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struct regmap *regmap; |
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const struct mtk_mux *data; |
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spinlock_t *lock; |
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bool reparent; |
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}; |
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struct mtk_mux { |
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int id; |
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const char *name; |
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const char * const *parent_names; |
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unsigned int flags; |
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u32 mux_ofs; |
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u32 set_ofs; |
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u32 clr_ofs; |
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u32 upd_ofs; |
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u8 mux_shift; |
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u8 mux_width; |
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u8 gate_shift; |
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s8 upd_shift; |
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const struct clk_ops *ops; |
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signed char num_parents; |
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}; |
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#define GATE_CLR_SET_UPD_FLAGS(_id, _name, _parents, _mux_ofs, \ |
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_mux_set_ofs, _mux_clr_ofs, _shift, _width, \ |
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_gate, _upd_ofs, _upd, _flags, _ops) { \ |
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.id = _id, \ |
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.name = _name, \ |
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.mux_ofs = _mux_ofs, \ |
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.set_ofs = _mux_set_ofs, \ |
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.clr_ofs = _mux_clr_ofs, \ |
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.upd_ofs = _upd_ofs, \ |
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.mux_shift = _shift, \ |
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.mux_width = _width, \ |
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.gate_shift = _gate, \ |
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.upd_shift = _upd, \ |
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.parent_names = _parents, \ |
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.num_parents = ARRAY_SIZE(_parents), \ |
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.flags = _flags, \ |
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.ops = &_ops, \ |
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} |
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extern const struct clk_ops mtk_mux_clr_set_upd_ops; |
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extern const struct clk_ops mtk_mux_gate_clr_set_upd_ops; |
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#define MUX_GATE_CLR_SET_UPD_FLAGS(_id, _name, _parents, _mux_ofs, \ |
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_mux_set_ofs, _mux_clr_ofs, _shift, _width, \ |
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_gate, _upd_ofs, _upd, _flags) \ |
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GATE_CLR_SET_UPD_FLAGS(_id, _name, _parents, _mux_ofs, \ |
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_mux_set_ofs, _mux_clr_ofs, _shift, _width, \ |
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_gate, _upd_ofs, _upd, _flags, \ |
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mtk_mux_gate_clr_set_upd_ops) |
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#define MUX_GATE_CLR_SET_UPD(_id, _name, _parents, _mux_ofs, \ |
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_mux_set_ofs, _mux_clr_ofs, _shift, _width, \ |
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_gate, _upd_ofs, _upd) \ |
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MUX_GATE_CLR_SET_UPD_FLAGS(_id, _name, _parents, \ |
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_mux_ofs, _mux_set_ofs, _mux_clr_ofs, _shift, \ |
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_width, _gate, _upd_ofs, _upd, \ |
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CLK_SET_RATE_PARENT) |
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#define MUX_CLR_SET_UPD(_id, _name, _parents, _mux_ofs, \ |
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_mux_set_ofs, _mux_clr_ofs, _shift, _width, \ |
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_upd_ofs, _upd) \ |
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GATE_CLR_SET_UPD_FLAGS(_id, _name, _parents, _mux_ofs, \ |
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_mux_set_ofs, _mux_clr_ofs, _shift, _width, \ |
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0, _upd_ofs, _upd, CLK_SET_RATE_PARENT, \ |
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mtk_mux_clr_set_upd_ops) |
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int mtk_clk_register_muxes(const struct mtk_mux *muxes, |
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int num, struct device_node *node, |
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spinlock_t *lock, |
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struct clk_onecell_data *clk_data); |
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#endif /* __DRV_CLK_MTK_MUX_H */
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