1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 // 3 // OWL composite clock driver 4 // 5 // Copyright (c) 2014 Actions Semi Inc. 6 // Author: David Liu <liuwei@actions-semi.com> 7 // 8 // Copyright (c) 2018 Linaro Ltd. 9 // Author: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> 10 11 #ifndef _OWL_COMPOSITE_H_ 12 #define _OWL_COMPOSITE_H_ 13 14 #include "owl-common.h" 15 #include "owl-mux.h" 16 #include "owl-gate.h" 17 #include "owl-factor.h" 18 #include "owl-fixed-factor.h" 19 #include "owl-divider.h" 20 21 union owl_rate { 22 struct owl_divider_hw div_hw; 23 struct owl_factor_hw factor_hw; 24 struct clk_fixed_factor fix_fact_hw; 25 }; 26 27 struct owl_composite { 28 struct owl_mux_hw mux_hw; 29 struct owl_gate_hw gate_hw; 30 union owl_rate rate; 31 32 const struct clk_ops *fix_fact_ops; 33 34 struct owl_clk_common common; 35 }; 36 37 #define OWL_COMP_DIV(_struct, _name, _parent, \ 38 _mux, _gate, _div, _flags) \ 39 struct owl_composite _struct = { \ 40 .mux_hw = _mux, \ 41 .gate_hw = _gate, \ 42 .rate.div_hw = _div, \ 43 .common = { \ 44 .regmap = NULL, \ 45 .hw.init = CLK_HW_INIT_PARENTS(_name, \ 46 _parent, \ 47 &owl_comp_div_ops,\ 48 _flags), \ 49 }, \ 50 } 51 52 #define OWL_COMP_DIV_FIXED(_struct, _name, _parent, \ 53 _gate, _div, _flags) \ 54 struct owl_composite _struct = { \ 55 .gate_hw = _gate, \ 56 .rate.div_hw = _div, \ 57 .common = { \ 58 .regmap = NULL, \ 59 .hw.init = CLK_HW_INIT(_name, \ 60 _parent, \ 61 &owl_comp_div_ops,\ 62 _flags), \ 63 }, \ 64 } 65 66 #define OWL_COMP_FACTOR(_struct, _name, _parent, \ 67 _mux, _gate, _factor, _flags) \ 68 struct owl_composite _struct = { \ 69 .mux_hw = _mux, \ 70 .gate_hw = _gate, \ 71 .rate.factor_hw = _factor, \ 72 .common = { \ 73 .regmap = NULL, \ 74 .hw.init = CLK_HW_INIT_PARENTS(_name, \ 75 _parent, \ 76 &owl_comp_fact_ops,\ 77 _flags), \ 78 }, \ 79 } 80 81 #define OWL_COMP_FIXED_FACTOR(_struct, _name, _parent, \ 82 _gate, _mul, _div, _flags) \ 83 struct owl_composite _struct = { \ 84 .gate_hw = _gate, \ 85 .rate.fix_fact_hw.mult = _mul, \ 86 .rate.fix_fact_hw.div = _div, \ 87 .fix_fact_ops = &clk_fixed_factor_ops, \ 88 .common = { \ 89 .regmap = NULL, \ 90 .hw.init = CLK_HW_INIT(_name, \ 91 _parent, \ 92 &owl_comp_fix_fact_ops,\ 93 _flags), \ 94 }, \ 95 } 96 97 #define OWL_COMP_PASS(_struct, _name, _parent, \ 98 _mux, _gate, _flags) \ 99 struct owl_composite _struct = { \ 100 .mux_hw = _mux, \ 101 .gate_hw = _gate, \ 102 .common = { \ 103 .regmap = NULL, \ 104 .hw.init = CLK_HW_INIT_PARENTS(_name, \ 105 _parent, \ 106 &owl_comp_pass_ops,\ 107 _flags), \ 108 }, \ 109 } 110 111 static inline struct owl_composite *hw_to_owl_comp(const struct clk_hw *hw) 112 { 113 struct owl_clk_common *common = hw_to_owl_clk_common(hw); 114 115 return container_of(common, struct owl_composite, common); 116 } 117 118 extern const struct clk_ops owl_comp_div_ops; 119 extern const struct clk_ops owl_comp_fact_ops; 120 extern const struct clk_ops owl_comp_fix_fact_ops; 121 extern const struct clk_ops owl_comp_pass_ops; 122 extern const struct clk_ops clk_fixed_factor_ops; 123 124 #endif /* _OWL_COMPOSITE_H_ */ 125