Linux kernel mirror (for testing)
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1/* SPDX-License-Identifier: GPL-2.0 */
2//
3// Spreadtrum gate clock driver
4//
5// Copyright (C) 2017 Spreadtrum, Inc.
6// Author: Chunyan Zhang <chunyan.zhang@spreadtrum.com>
7
8#ifndef _SPRD_GATE_H_
9#define _SPRD_GATE_H_
10
11#include "common.h"
12
13struct sprd_gate {
14 u32 enable_mask;
15 u16 flags;
16 u16 sc_offset;
17
18 struct sprd_clk_common common;
19};
20
21#define SPRD_SC_GATE_CLK_OPS(_struct, _name, _parent, _reg, _sc_offset, \
22 _enable_mask, _flags, _gate_flags, _ops) \
23 struct sprd_gate _struct = { \
24 .enable_mask = _enable_mask, \
25 .sc_offset = _sc_offset, \
26 .flags = _gate_flags, \
27 .common = { \
28 .regmap = NULL, \
29 .reg = _reg, \
30 .hw.init = CLK_HW_INIT(_name, \
31 _parent, \
32 _ops, \
33 _flags), \
34 } \
35 }
36
37#define SPRD_GATE_CLK(_struct, _name, _parent, _reg, \
38 _enable_mask, _flags, _gate_flags) \
39 SPRD_SC_GATE_CLK_OPS(_struct, _name, _parent, _reg, 0, \
40 _enable_mask, _flags, _gate_flags, \
41 &sprd_gate_ops)
42
43#define SPRD_SC_GATE_CLK(_struct, _name, _parent, _reg, _sc_offset, \
44 _enable_mask, _flags, _gate_flags) \
45 SPRD_SC_GATE_CLK_OPS(_struct, _name, _parent, _reg, _sc_offset, \
46 _enable_mask, _flags, _gate_flags, \
47 &sprd_sc_gate_ops)
48
49static inline struct sprd_gate *hw_to_sprd_gate(const struct clk_hw *hw)
50{
51 struct sprd_clk_common *common = hw_to_sprd_clk_common(hw);
52
53 return container_of(common, struct sprd_gate, common);
54}
55
56extern const struct clk_ops sprd_gate_ops;
57extern const struct clk_ops sprd_sc_gate_ops;
58
59#endif /* _SPRD_GATE_H_ */