66 lines
1.6 KiB
C
66 lines
1.6 KiB
C
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/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2014 MediaTek Inc.
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* Author: James Liao <jamesjj.liao@mediatek.com>
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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/types.h>
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struct clk;
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struct clk_hw_onecell_data;
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struct clk_ops;
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struct device;
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struct device_node;
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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_inv;
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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 mtk_gate_regs {
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u32 sta_ofs;
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u32 clr_ofs;
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u32 set_ofs;
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};
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struct mtk_gate {
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int id;
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const char *name;
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const char *parent_name;
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const struct mtk_gate_regs *regs;
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int shift;
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const struct clk_ops *ops;
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unsigned long flags;
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};
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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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int mtk_clk_register_gates(struct device_node *node,
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const struct mtk_gate *clks, int num,
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struct clk_hw_onecell_data *clk_data);
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int mtk_clk_register_gates_with_dev(struct device_node *node,
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const struct mtk_gate *clks, int num,
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struct clk_hw_onecell_data *clk_data,
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struct device *dev);
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void mtk_clk_unregister_gates(const struct mtk_gate *clks, int num,
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struct clk_hw_onecell_data *clk_data);
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#endif /* __DRV_CLK_GATE_H */
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