diff options
Diffstat (limited to 'drivers/clk/sunxi-ng/ccu_nm.h')
-rw-r--r-- | drivers/clk/sunxi-ng/ccu_nm.h | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/drivers/clk/sunxi-ng/ccu_nm.h b/drivers/clk/sunxi-ng/ccu_nm.h new file mode 100644 index 000000000000..0b7bcd33a2df --- /dev/null +++ b/drivers/clk/sunxi-ng/ccu_nm.h | |||
@@ -0,0 +1,91 @@ | |||
1 | /* | ||
2 | * Copyright (c) 2016 Maxime Ripard. All rights reserved. | ||
3 | * | ||
4 | * This software is licensed under the terms of the GNU General Public | ||
5 | * License version 2, as published by the Free Software Foundation, and | ||
6 | * may be copied, distributed, and modified under those terms. | ||
7 | * | ||
8 | * This program is distributed in the hope that it will be useful, | ||
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
11 | * GNU General Public License for more details. | ||
12 | */ | ||
13 | |||
14 | #ifndef _CCU_NM_H_ | ||
15 | #define _CCU_NM_H_ | ||
16 | |||
17 | #include <linux/clk-provider.h> | ||
18 | |||
19 | #include "ccu_common.h" | ||
20 | #include "ccu_div.h" | ||
21 | #include "ccu_frac.h" | ||
22 | #include "ccu_mult.h" | ||
23 | |||
24 | /* | ||
25 | * struct ccu_nm - Definition of an N-M clock | ||
26 | * | ||
27 | * Clocks based on the formula parent * N / M | ||
28 | */ | ||
29 | struct ccu_nm { | ||
30 | u32 enable; | ||
31 | u32 lock; | ||
32 | |||
33 | struct _ccu_mult n; | ||
34 | struct _ccu_div m; | ||
35 | struct _ccu_frac frac; | ||
36 | |||
37 | struct ccu_common common; | ||
38 | }; | ||
39 | |||
40 | #define SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(_struct, _name, _parent, _reg, \ | ||
41 | _nshift, _nwidth, \ | ||
42 | _mshift, _mwidth, \ | ||
43 | _frac_en, _frac_sel, \ | ||
44 | _frac_rate_0, _frac_rate_1, \ | ||
45 | _gate, _lock, _flags) \ | ||
46 | struct ccu_nm _struct = { \ | ||
47 | .enable = _gate, \ | ||
48 | .lock = _lock, \ | ||
49 | .n = _SUNXI_CCU_MULT(_nshift, _nwidth), \ | ||
50 | .m = _SUNXI_CCU_DIV(_mshift, _mwidth), \ | ||
51 | .frac = _SUNXI_CCU_FRAC(_frac_en, _frac_sel, \ | ||
52 | _frac_rate_0, \ | ||
53 | _frac_rate_1), \ | ||
54 | .common = { \ | ||
55 | .reg = _reg, \ | ||
56 | .features = CCU_FEATURE_FRACTIONAL, \ | ||
57 | .hw.init = CLK_HW_INIT(_name, \ | ||
58 | _parent, \ | ||
59 | &ccu_nm_ops, \ | ||
60 | _flags), \ | ||
61 | }, \ | ||
62 | } | ||
63 | |||
64 | #define SUNXI_CCU_NM_WITH_GATE_LOCK(_struct, _name, _parent, _reg, \ | ||
65 | _nshift, _nwidth, \ | ||
66 | _mshift, _mwidth, \ | ||
67 | _gate, _lock, _flags) \ | ||
68 | struct ccu_nm _struct = { \ | ||
69 | .enable = _gate, \ | ||
70 | .lock = _lock, \ | ||
71 | .n = _SUNXI_CCU_MULT(_nshift, _nwidth), \ | ||
72 | .m = _SUNXI_CCU_DIV(_mshift, _mwidth), \ | ||
73 | .common = { \ | ||
74 | .reg = _reg, \ | ||
75 | .hw.init = CLK_HW_INIT(_name, \ | ||
76 | _parent, \ | ||
77 | &ccu_nm_ops, \ | ||
78 | _flags), \ | ||
79 | }, \ | ||
80 | } | ||
81 | |||
82 | static inline struct ccu_nm *hw_to_ccu_nm(struct clk_hw *hw) | ||
83 | { | ||
84 | struct ccu_common *common = hw_to_ccu_common(hw); | ||
85 | |||
86 | return container_of(common, struct ccu_nm, common); | ||
87 | } | ||
88 | |||
89 | extern const struct clk_ops ccu_nm_ops; | ||
90 | |||
91 | #endif /* _CCU_NM_H_ */ | ||