Maxime Ripard | 4f728b5 | 2016-06-29 21:05:33 +0200 | [diff] [blame] | 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_NKMP_H_ |
| 15 | #define _CCU_NKMP_H_ |
| 16 | |
| 17 | #include <linux/clk-provider.h> |
| 18 | |
| 19 | #include "ccu_common.h" |
| 20 | #include "ccu_div.h" |
| 21 | #include "ccu_mult.h" |
| 22 | |
| 23 | /* |
| 24 | * struct ccu_nkmp - Definition of an N-K-M-P clock |
| 25 | * |
| 26 | * Clocks based on the formula parent * N * K >> P / M |
| 27 | */ |
| 28 | struct ccu_nkmp { |
| 29 | u32 enable; |
| 30 | u32 lock; |
| 31 | |
| 32 | struct _ccu_mult n; |
| 33 | struct _ccu_mult k; |
| 34 | struct _ccu_div m; |
| 35 | struct _ccu_div p; |
| 36 | |
| 37 | struct ccu_common common; |
| 38 | }; |
| 39 | |
| 40 | #define SUNXI_CCU_NKMP_WITH_GATE_LOCK(_struct, _name, _parent, _reg, \ |
| 41 | _nshift, _nwidth, \ |
| 42 | _kshift, _kwidth, \ |
| 43 | _mshift, _mwidth, \ |
| 44 | _pshift, _pwidth, \ |
| 45 | _gate, _lock, _flags) \ |
| 46 | struct ccu_nkmp _struct = { \ |
| 47 | .enable = _gate, \ |
| 48 | .lock = _lock, \ |
| 49 | .n = _SUNXI_CCU_MULT(_nshift, _nwidth), \ |
| 50 | .k = _SUNXI_CCU_MULT(_kshift, _kwidth), \ |
| 51 | .m = _SUNXI_CCU_DIV(_mshift, _mwidth), \ |
| 52 | .p = _SUNXI_CCU_DIV(_pshift, _pwidth), \ |
| 53 | .common = { \ |
| 54 | .reg = _reg, \ |
| 55 | .hw.init = CLK_HW_INIT(_name, \ |
| 56 | _parent, \ |
| 57 | &ccu_nkmp_ops, \ |
| 58 | _flags), \ |
| 59 | }, \ |
| 60 | } |
| 61 | |
| 62 | static inline struct ccu_nkmp *hw_to_ccu_nkmp(struct clk_hw *hw) |
| 63 | { |
| 64 | struct ccu_common *common = hw_to_ccu_common(hw); |
| 65 | |
| 66 | return container_of(common, struct ccu_nkmp, common); |
| 67 | } |
| 68 | |
| 69 | extern const struct clk_ops ccu_nkmp_ops; |
| 70 | |
| 71 | #endif /* _CCU_NKMP_H_ */ |