86 lines
1.9 KiB
C
86 lines
1.9 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (c) 2019 MediaTek Inc.
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*/
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#ifndef __DRV_CLK_GATE_H
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#define __DRV_CLK_GATE_H
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#include <linux/regmap.h>
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#include <linux/clk-provider.h>
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struct clk;
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/*
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* define pwr status information.
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* including offsets/mask.
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*/
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struct pwr_status {
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u32 pwr_ofs;
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u32 pwr2_ofs;
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s32 other_ofs;
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u32 mask;
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u32 val;
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};
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struct mtk_clk_gate {
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struct clk_hw hw;
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struct regmap *regmap;
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int set_ofs;
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int clr_ofs;
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int sta_ofs;
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u8 bit;
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struct pwr_status *pwr_stat;
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struct regmap *pwr_regmap;
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};
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static inline struct mtk_clk_gate *to_mtk_clk_gate(struct clk_hw *hw)
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{
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return container_of(hw, struct mtk_clk_gate, hw);
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}
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extern const struct clk_ops mtk_clk_gate_ops_setclr;
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extern const struct clk_ops mtk_clk_gate_ops_setclr_dummy;
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extern const struct clk_ops mtk_clk_gate_ops_setclr_inv;
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extern const struct clk_ops mtk_clk_gate_ops_setclr_inv_dummy;
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extern const struct clk_ops mtk_clk_gate_ops_no_setclr;
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extern const struct clk_ops mtk_clk_gate_ops_no_setclr_inv;
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struct clk *mtk_clk_register_gate(
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const char *name,
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const char *parent_name,
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struct regmap *regmap,
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int set_ofs,
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int clr_ofs,
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int sta_ofs,
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u8 bit,
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const struct clk_ops *ops,
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unsigned long flags,
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struct pwr_status *pwr_stat,
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struct regmap *pwr_regmap);
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#define GATE_MTK_FLAGS(_id, _name, _parent, _regs, _shift, \
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_ops, _flags) { \
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.id = _id, \
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.name = _name, \
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.parent_name = _parent, \
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.regs = _regs, \
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.shift = _shift, \
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.ops = _ops, \
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.flags = _flags, \
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}
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#define GATE_MTK(_id, _name, _parent, _regs, _shift, _ops) \
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GATE_MTK_FLAGS(_id, _name, _parent, _regs, _shift, _ops, 0)
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#define GATE_PWR_STAT(_pwr_ofs, _pwr2_ofs, _other_ofs, _mask, _val) { \
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.pwr_ofs = _pwr_ofs, \
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.pwr2_ofs = _pwr2_ofs, \
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.other_ofs = _other_ofs, \
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.mask = _mask, \
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.val = _val, \
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}
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#endif /* __DRV_CLK_GATE_H */
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