169 lines · c
1/* SPDX-License-Identifier: GPL-2.0 */2//3// Spreadtrum gate clock driver4//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 13struct sprd_gate {14 u32 enable_mask;15 u16 flags;16 u16 sc_offset;17 u16 udelay;18 19 struct sprd_clk_common common;20};21 22/*23 * sprd_gate->flags is used for:24 * CLK_GATE_SET_TO_DISABLE BIT(0)25 * CLK_GATE_HIWORD_MASK BIT(1)26 * CLK_GATE_BIG_ENDIAN BIT(2)27 * so we define new flags from BIT(3)28 */29#define SPRD_GATE_NON_AON BIT(3) /* not alway powered on, check before read */30 31#define SPRD_SC_GATE_CLK_HW_INIT_FN(_struct, _name, _parent, _reg, \32 _sc_offset, _enable_mask, _flags, \33 _gate_flags, _udelay, _ops, _fn) \34 struct sprd_gate _struct = { \35 .enable_mask = _enable_mask, \36 .sc_offset = _sc_offset, \37 .flags = _gate_flags, \38 .udelay = _udelay, \39 .common = { \40 .regmap = NULL, \41 .reg = _reg, \42 .hw.init = _fn(_name, _parent, \43 _ops, _flags), \44 } \45 }46 47#define SPRD_SC_GATE_CLK_OPS_UDELAY(_struct, _name, _parent, _reg, \48 _sc_offset, _enable_mask, _flags, \49 _gate_flags, _udelay, _ops) \50 SPRD_SC_GATE_CLK_HW_INIT_FN(_struct, _name, _parent, _reg, \51 _sc_offset, _enable_mask, _flags, \52 _gate_flags, _udelay, _ops, CLK_HW_INIT)53 54#define SPRD_SC_GATE_CLK_OPS(_struct, _name, _parent, _reg, _sc_offset, \55 _enable_mask, _flags, _gate_flags, _ops) \56 SPRD_SC_GATE_CLK_OPS_UDELAY(_struct, _name, _parent, _reg, \57 _sc_offset, _enable_mask, _flags, \58 _gate_flags, 0, _ops)59 60#define SPRD_SC_GATE_CLK(_struct, _name, _parent, _reg, _sc_offset, \61 _enable_mask, _flags, _gate_flags) \62 SPRD_SC_GATE_CLK_OPS(_struct, _name, _parent, _reg, _sc_offset, \63 _enable_mask, _flags, _gate_flags, \64 &sprd_sc_gate_ops)65 66#define SPRD_GATE_CLK(_struct, _name, _parent, _reg, \67 _enable_mask, _flags, _gate_flags) \68 SPRD_SC_GATE_CLK_OPS(_struct, _name, _parent, _reg, 0, \69 _enable_mask, _flags, _gate_flags, \70 &sprd_gate_ops)71 72#define SPRD_PLL_SC_GATE_CLK(_struct, _name, _parent, _reg, _sc_offset, \73 _enable_mask, _flags, _gate_flags, \74 _udelay) \75 SPRD_SC_GATE_CLK_OPS_UDELAY(_struct, _name, _parent, _reg, \76 _sc_offset, _enable_mask, _flags, \77 _gate_flags, _udelay, \78 &sprd_pll_sc_gate_ops)79 80 81#define SPRD_SC_GATE_CLK_HW_OPS_UDELAY(_struct, _name, _parent, _reg, \82 _sc_offset, _enable_mask, \83 _flags, _gate_flags, \84 _udelay, _ops) \85 SPRD_SC_GATE_CLK_HW_INIT_FN(_struct, _name, _parent, _reg, \86 _sc_offset, _enable_mask, _flags, \87 _gate_flags, _udelay, _ops, \88 CLK_HW_INIT_HW)89 90#define SPRD_SC_GATE_CLK_HW_OPS(_struct, _name, _parent, _reg, \91 _sc_offset, _enable_mask, _flags, \92 _gate_flags, _ops) \93 SPRD_SC_GATE_CLK_HW_OPS_UDELAY(_struct, _name, _parent, _reg, \94 _sc_offset, _enable_mask, \95 _flags, _gate_flags, 0, _ops)96 97#define SPRD_SC_GATE_CLK_HW(_struct, _name, _parent, _reg, \98 _sc_offset, _enable_mask, _flags, \99 _gate_flags) \100 SPRD_SC_GATE_CLK_HW_OPS(_struct, _name, _parent, _reg, \101 _sc_offset, _enable_mask, _flags, \102 _gate_flags, &sprd_sc_gate_ops)103 104#define SPRD_GATE_CLK_HW(_struct, _name, _parent, _reg, \105 _enable_mask, _flags, _gate_flags) \106 SPRD_SC_GATE_CLK_HW_OPS(_struct, _name, _parent, _reg, 0, \107 _enable_mask, _flags, _gate_flags, \108 &sprd_gate_ops)109 110#define SPRD_PLL_SC_GATE_CLK_HW(_struct, _name, _parent, _reg, \111 _sc_offset, _enable_mask, _flags, \112 _gate_flags, _udelay) \113 SPRD_SC_GATE_CLK_HW_OPS_UDELAY(_struct, _name, _parent, _reg, \114 _sc_offset, _enable_mask, \115 _flags, _gate_flags, _udelay, \116 &sprd_pll_sc_gate_ops)117 118#define SPRD_SC_GATE_CLK_FW_NAME_OPS_UDELAY(_struct, _name, _parent, \119 _reg, _sc_offset, \120 _enable_mask, _flags, \121 _gate_flags, _udelay, _ops) \122 SPRD_SC_GATE_CLK_HW_INIT_FN(_struct, _name, _parent, _reg, \123 _sc_offset, _enable_mask, _flags, \124 _gate_flags, _udelay, _ops, \125 CLK_HW_INIT_FW_NAME)126 127#define SPRD_SC_GATE_CLK_FW_NAME_OPS(_struct, _name, _parent, _reg, \128 _sc_offset, _enable_mask, _flags, \129 _gate_flags, _ops) \130 SPRD_SC_GATE_CLK_FW_NAME_OPS_UDELAY(_struct, _name, _parent, \131 _reg, _sc_offset, \132 _enable_mask, _flags, \133 _gate_flags, 0, _ops)134 135#define SPRD_SC_GATE_CLK_FW_NAME(_struct, _name, _parent, _reg, \136 _sc_offset, _enable_mask, _flags, \137 _gate_flags) \138 SPRD_SC_GATE_CLK_FW_NAME_OPS(_struct, _name, _parent, _reg, \139 _sc_offset, _enable_mask, _flags, \140 _gate_flags, &sprd_sc_gate_ops)141 142#define SPRD_GATE_CLK_FW_NAME(_struct, _name, _parent, _reg, \143 _enable_mask, _flags, _gate_flags) \144 SPRD_SC_GATE_CLK_FW_NAME_OPS(_struct, _name, _parent, _reg, 0, \145 _enable_mask, _flags, _gate_flags, \146 &sprd_gate_ops)147 148#define SPRD_PLL_SC_GATE_CLK_FW_NAME(_struct, _name, _parent, _reg, \149 _sc_offset, _enable_mask, _flags, \150 _gate_flags, _udelay) \151 SPRD_SC_GATE_CLK_FW_NAME_OPS_UDELAY(_struct, _name, _parent, \152 _reg, _sc_offset, \153 _enable_mask, _flags, \154 _gate_flags, _udelay, \155 &sprd_pll_sc_gate_ops)156 157static inline struct sprd_gate *hw_to_sprd_gate(const struct clk_hw *hw)158{159 struct sprd_clk_common *common = hw_to_sprd_clk_common(hw);160 161 return container_of(common, struct sprd_gate, common);162}163 164extern const struct clk_ops sprd_gate_ops;165extern const struct clk_ops sprd_sc_gate_ops;166extern const struct clk_ops sprd_pll_sc_gate_ops;167 168#endif /* _SPRD_GATE_H_ */169