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_MP_H_ 15 #define _CCU_MP_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 #include "ccu_mux.h" 23 24 /* 25 * struct ccu_mp - Definition of an M-P clock 26 * 27 * Clocks based on the formula parent >> P / M 28 */ 29 struct ccu_mp { 30 u32 enable; 31 32 struct ccu_div_internal m; 33 struct ccu_div_internal p; 34 struct ccu_mux_internal mux; 35 struct ccu_common common; 36 }; 37 38 #define SUNXI_CCU_MP_WITH_MUX_GATE(_struct, _name, _parents, _reg, \ 39 _mshift, _mwidth, \ 40 _pshift, _pwidth, \ 41 _muxshift, _muxwidth, \ 42 _gate, _flags) \ 43 struct ccu_mp _struct = { \ 44 .enable = _gate, \ 45 .m = _SUNXI_CCU_DIV(_mshift, _mwidth), \ 46 .p = _SUNXI_CCU_DIV(_pshift, _pwidth), \ 47 .mux = _SUNXI_CCU_MUX(_muxshift, _muxwidth), \ 48 .common = { \ 49 .reg = _reg, \ 50 .hw.init = CLK_HW_INIT_PARENTS(_name, \ 51 _parents, \ 52 &ccu_mp_ops, \ 53 _flags), \ 54 } \ 55 } 56 57 #define SUNXI_CCU_MP_WITH_MUX(_struct, _name, _parents, _reg, \ 58 _mshift, _mwidth, \ 59 _pshift, _pwidth, \ 60 _muxshift, _muxwidth, \ 61 _flags) \ 62 SUNXI_CCU_MP_WITH_MUX_GATE(_struct, _name, _parents, _reg, \ 63 _mshift, _mwidth, \ 64 _pshift, _pwidth, \ 65 _muxshift, _muxwidth, \ 66 0, _flags) 67 68 static inline struct ccu_mp *hw_to_ccu_mp(struct clk_hw *hw) 69 { 70 struct ccu_common *common = hw_to_ccu_common(hw); 71 72 return container_of(common, struct ccu_mp, common); 73 } 74 75 extern const struct clk_ops ccu_mp_ops; 76 77 #endif /* _CCU_MP_H_ */ 78