1 // SPDX-License-Identifier: GPL-2.0 2 // 3 // Spreadtrum gate clock driver 4 // 5 // Copyright (C) 2017 Spreadtrum, Inc. 6 // Author: Chunyan Zhang <chunyan.zhang@spreadtrum.com> 7 8 #ifndef _SPRD_GATE_H_ 9 #define _SPRD_GATE_H_ 10 11 #include "common.h" 12 13 struct sprd_gate { 14 u32 enable_mask; 15 u16 flags; 16 u16 sc_offset; 17 18 struct sprd_clk_common common; 19 }; 20 21 #define SPRD_SC_GATE_CLK_OPS(_struct, _name, _parent, _reg, _sc_offset, \ 22 _enable_mask, _flags, _gate_flags, _ops) \ 23 struct sprd_gate _struct = { \ 24 .enable_mask = _enable_mask, \ 25 .sc_offset = _sc_offset, \ 26 .flags = _gate_flags, \ 27 .common = { \ 28 .regmap = NULL, \ 29 .reg = _reg, \ 30 .hw.init = CLK_HW_INIT(_name, \ 31 _parent, \ 32 _ops, \ 33 _flags), \ 34 } \ 35 } 36 37 #define SPRD_GATE_CLK(_struct, _name, _parent, _reg, \ 38 _enable_mask, _flags, _gate_flags) \ 39 SPRD_SC_GATE_CLK_OPS(_struct, _name, _parent, _reg, 0, \ 40 _enable_mask, _flags, _gate_flags, \ 41 &sprd_gate_ops) 42 43 #define SPRD_SC_GATE_CLK(_struct, _name, _parent, _reg, _sc_offset, \ 44 _enable_mask, _flags, _gate_flags) \ 45 SPRD_SC_GATE_CLK_OPS(_struct, _name, _parent, _reg, _sc_offset, \ 46 _enable_mask, _flags, _gate_flags, \ 47 &sprd_sc_gate_ops) 48 49 static inline struct sprd_gate *hw_to_sprd_gate(const struct clk_hw *hw) 50 { 51 struct sprd_clk_common *common = hw_to_sprd_clk_common(hw); 52 53 return container_of(common, struct sprd_gate, common); 54 } 55 56 extern const struct clk_ops sprd_gate_ops; 57 extern const struct clk_ops sprd_sc_gate_ops; 58 59 #endif /* _SPRD_GATE_H_ */ 60