1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * Copyright (c) 2016 Maxime Ripard. All rights reserved. 4 */ 5 6 #ifndef _CCU_NK_H_ 7 #define _CCU_NK_H_ 8 9 #include <linux/clk-provider.h> 10 11 #include "ccu_common.h" 12 #include "ccu_div.h" 13 #include "ccu_mult.h" 14 15 /* 16 * struct ccu_nk - Definition of an N-K clock 17 * 18 * Clocks based on the formula parent * N * K 19 */ 20 struct ccu_nk { 21 u16 reg; 22 u32 enable; 23 u32 lock; 24 25 struct ccu_mult_internal n; 26 struct ccu_mult_internal k; 27 28 unsigned int fixed_post_div; 29 30 struct ccu_common common; 31 }; 32 33 #define SUNXI_CCU_NK_WITH_GATE_LOCK_POSTDIV(_struct, _name, _parent, _reg, \ 34 _nshift, _nwidth, \ 35 _kshift, _kwidth, \ 36 _gate, _lock, _postdiv, \ 37 _flags) \ 38 struct ccu_nk _struct = { \ 39 .enable = _gate, \ 40 .lock = _lock, \ 41 .k = _SUNXI_CCU_MULT(_kshift, _kwidth), \ 42 .n = _SUNXI_CCU_MULT(_nshift, _nwidth), \ 43 .fixed_post_div = _postdiv, \ 44 .common = { \ 45 .reg = _reg, \ 46 .features = CCU_FEATURE_FIXED_POSTDIV, \ 47 .hw.init = CLK_HW_INIT(_name, \ 48 _parent, \ 49 &ccu_nk_ops, \ 50 _flags), \ 51 }, \ 52 } 53 54 static inline struct ccu_nk *hw_to_ccu_nk(struct clk_hw *hw) 55 { 56 struct ccu_common *common = hw_to_ccu_common(hw); 57 58 return container_of(common, struct ccu_nk, common); 59 } 60 61 extern const struct clk_ops ccu_nk_ops; 62 63 #endif /* _CCU_NK_H_ */ 64