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_NKM_H_ 15 #define _CCU_NKM_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_nkm - Definition of an N-K-M clock 25 * 26 * Clocks based on the formula parent * N * K / M 27 */ 28 struct ccu_nkm { 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_mux_internal mux; 36 37 struct ccu_common common; 38 }; 39 40 #define SUNXI_CCU_NKM_WITH_MUX_GATE_LOCK(_struct, _name, _parents, _reg, \ 41 _nshift, _nwidth, \ 42 _kshift, _kwidth, \ 43 _mshift, _mwidth, \ 44 _muxshift, _muxwidth, \ 45 _gate, _lock, _flags) \ 46 struct ccu_nkm _struct = { \ 47 .enable = _gate, \ 48 .lock = _lock, \ 49 .k = _SUNXI_CCU_MULT(_kshift, _kwidth), \ 50 .n = _SUNXI_CCU_MULT(_nshift, _nwidth), \ 51 .m = _SUNXI_CCU_DIV(_mshift, _mwidth), \ 52 .mux = _SUNXI_CCU_MUX(_muxshift, _muxwidth), \ 53 .common = { \ 54 .reg = _reg, \ 55 .hw.init = CLK_HW_INIT_PARENTS(_name, \ 56 _parents, \ 57 &ccu_nkm_ops, \ 58 _flags), \ 59 }, \ 60 } 61 62 #define SUNXI_CCU_NKM_WITH_GATE_LOCK(_struct, _name, _parent, _reg, \ 63 _nshift, _nwidth, \ 64 _kshift, _kwidth, \ 65 _mshift, _mwidth, \ 66 _gate, _lock, _flags) \ 67 struct ccu_nkm _struct = { \ 68 .enable = _gate, \ 69 .lock = _lock, \ 70 .k = _SUNXI_CCU_MULT(_kshift, _kwidth), \ 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_nkm_ops, \ 78 _flags), \ 79 }, \ 80 } 81 82 static inline struct ccu_nkm *hw_to_ccu_nkm(struct clk_hw *hw) 83 { 84 struct ccu_common *common = hw_to_ccu_common(hw); 85 86 return container_of(common, struct ccu_nkm, common); 87 } 88 89 extern const struct clk_ops ccu_nkm_ops; 90 91 #endif /* _CCU_NKM_H_ */ 92