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168 lines
5.6 KiB
168 lines
5.6 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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// |
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// Spreadtrum gate clock driver |
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// |
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// Copyright (C) 2017 Spreadtrum, Inc. |
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// Author: Chunyan Zhang <[email protected]> |
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#ifndef _SPRD_GATE_H_ |
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#define _SPRD_GATE_H_ |
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#include "common.h" |
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struct sprd_gate { |
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u32 enable_mask; |
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u16 flags; |
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u16 sc_offset; |
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u16 udelay; |
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struct sprd_clk_common common; |
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}; |
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/* |
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* sprd_gate->flags is used for: |
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* CLK_GATE_SET_TO_DISABLE BIT(0) |
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* CLK_GATE_HIWORD_MASK BIT(1) |
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* CLK_GATE_BIG_ENDIAN BIT(2) |
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* so we define new flags from BIT(3) |
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*/ |
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#define SPRD_GATE_NON_AON BIT(3) /* not alway powered on, check before read */ |
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#define SPRD_SC_GATE_CLK_HW_INIT_FN(_struct, _name, _parent, _reg, \ |
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_sc_offset, _enable_mask, _flags, \ |
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_gate_flags, _udelay, _ops, _fn) \ |
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struct sprd_gate _struct = { \ |
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.enable_mask = _enable_mask, \ |
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.sc_offset = _sc_offset, \ |
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.flags = _gate_flags, \ |
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.udelay = _udelay, \ |
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.common = { \ |
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.regmap = NULL, \ |
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.reg = _reg, \ |
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.hw.init = _fn(_name, _parent, \ |
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_ops, _flags), \ |
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} \ |
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} |
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#define SPRD_SC_GATE_CLK_OPS_UDELAY(_struct, _name, _parent, _reg, \ |
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_sc_offset, _enable_mask, _flags, \ |
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_gate_flags, _udelay, _ops) \ |
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SPRD_SC_GATE_CLK_HW_INIT_FN(_struct, _name, _parent, _reg, \ |
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_sc_offset, _enable_mask, _flags, \ |
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_gate_flags, _udelay, _ops, CLK_HW_INIT) |
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#define SPRD_SC_GATE_CLK_OPS(_struct, _name, _parent, _reg, _sc_offset, \ |
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_enable_mask, _flags, _gate_flags, _ops) \ |
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SPRD_SC_GATE_CLK_OPS_UDELAY(_struct, _name, _parent, _reg, \ |
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_sc_offset, _enable_mask, _flags, \ |
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_gate_flags, 0, _ops) |
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#define SPRD_SC_GATE_CLK(_struct, _name, _parent, _reg, _sc_offset, \ |
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_enable_mask, _flags, _gate_flags) \ |
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SPRD_SC_GATE_CLK_OPS(_struct, _name, _parent, _reg, _sc_offset, \ |
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_enable_mask, _flags, _gate_flags, \ |
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&sprd_sc_gate_ops) |
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#define SPRD_GATE_CLK(_struct, _name, _parent, _reg, \ |
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_enable_mask, _flags, _gate_flags) \ |
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SPRD_SC_GATE_CLK_OPS(_struct, _name, _parent, _reg, 0, \ |
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_enable_mask, _flags, _gate_flags, \ |
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&sprd_gate_ops) |
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#define SPRD_PLL_SC_GATE_CLK(_struct, _name, _parent, _reg, _sc_offset, \ |
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_enable_mask, _flags, _gate_flags, \ |
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_udelay) \ |
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SPRD_SC_GATE_CLK_OPS_UDELAY(_struct, _name, _parent, _reg, \ |
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_sc_offset, _enable_mask, _flags, \ |
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_gate_flags, _udelay, \ |
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&sprd_pll_sc_gate_ops) |
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#define SPRD_SC_GATE_CLK_HW_OPS_UDELAY(_struct, _name, _parent, _reg, \ |
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_sc_offset, _enable_mask, \ |
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_flags, _gate_flags, \ |
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_udelay, _ops) \ |
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SPRD_SC_GATE_CLK_HW_INIT_FN(_struct, _name, _parent, _reg, \ |
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_sc_offset, _enable_mask, _flags, \ |
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_gate_flags, _udelay, _ops, \ |
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CLK_HW_INIT_HW) |
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#define SPRD_SC_GATE_CLK_HW_OPS(_struct, _name, _parent, _reg, \ |
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_sc_offset, _enable_mask, _flags, \ |
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_gate_flags, _ops) \ |
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SPRD_SC_GATE_CLK_HW_OPS_UDELAY(_struct, _name, _parent, _reg, \ |
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_sc_offset, _enable_mask, \ |
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_flags, _gate_flags, 0, _ops) |
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#define SPRD_SC_GATE_CLK_HW(_struct, _name, _parent, _reg, \ |
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_sc_offset, _enable_mask, _flags, \ |
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_gate_flags) \ |
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SPRD_SC_GATE_CLK_HW_OPS(_struct, _name, _parent, _reg, \ |
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_sc_offset, _enable_mask, _flags, \ |
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_gate_flags, &sprd_sc_gate_ops) |
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#define SPRD_GATE_CLK_HW(_struct, _name, _parent, _reg, \ |
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_enable_mask, _flags, _gate_flags) \ |
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SPRD_SC_GATE_CLK_HW_OPS(_struct, _name, _parent, _reg, 0, \ |
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_enable_mask, _flags, _gate_flags, \ |
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&sprd_gate_ops) |
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#define SPRD_PLL_SC_GATE_CLK_HW(_struct, _name, _parent, _reg, \ |
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_sc_offset, _enable_mask, _flags, \ |
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_gate_flags, _udelay) \ |
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SPRD_SC_GATE_CLK_HW_OPS_UDELAY(_struct, _name, _parent, _reg, \ |
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_sc_offset, _enable_mask, \ |
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_flags, _gate_flags, _udelay, \ |
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&sprd_pll_sc_gate_ops) |
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#define SPRD_SC_GATE_CLK_FW_NAME_OPS_UDELAY(_struct, _name, _parent, \ |
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_reg, _sc_offset, \ |
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_enable_mask, _flags, \ |
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_gate_flags, _udelay, _ops) \ |
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SPRD_SC_GATE_CLK_HW_INIT_FN(_struct, _name, _parent, _reg, \ |
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_sc_offset, _enable_mask, _flags, \ |
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_gate_flags, _udelay, _ops, \ |
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CLK_HW_INIT_FW_NAME) |
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#define SPRD_SC_GATE_CLK_FW_NAME_OPS(_struct, _name, _parent, _reg, \ |
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_sc_offset, _enable_mask, _flags, \ |
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_gate_flags, _ops) \ |
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SPRD_SC_GATE_CLK_FW_NAME_OPS_UDELAY(_struct, _name, _parent, \ |
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_reg, _sc_offset, \ |
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_enable_mask, _flags, \ |
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_gate_flags, 0, _ops) |
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#define SPRD_SC_GATE_CLK_FW_NAME(_struct, _name, _parent, _reg, \ |
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_sc_offset, _enable_mask, _flags, \ |
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_gate_flags) \ |
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SPRD_SC_GATE_CLK_FW_NAME_OPS(_struct, _name, _parent, _reg, \ |
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_sc_offset, _enable_mask, _flags, \ |
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_gate_flags, &sprd_sc_gate_ops) |
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#define SPRD_GATE_CLK_FW_NAME(_struct, _name, _parent, _reg, \ |
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_enable_mask, _flags, _gate_flags) \ |
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SPRD_SC_GATE_CLK_FW_NAME_OPS(_struct, _name, _parent, _reg, 0, \ |
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_enable_mask, _flags, _gate_flags, \ |
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&sprd_gate_ops) |
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#define SPRD_PLL_SC_GATE_CLK_FW_NAME(_struct, _name, _parent, _reg, \ |
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_sc_offset, _enable_mask, _flags, \ |
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_gate_flags, _udelay) \ |
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SPRD_SC_GATE_CLK_FW_NAME_OPS_UDELAY(_struct, _name, _parent, \ |
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_reg, _sc_offset, \ |
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_enable_mask, _flags, \ |
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_gate_flags, _udelay, \ |
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&sprd_pll_sc_gate_ops) |
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static inline struct sprd_gate *hw_to_sprd_gate(const struct clk_hw *hw) |
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{ |
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struct sprd_clk_common *common = hw_to_sprd_clk_common(hw); |
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return container_of(common, struct sprd_gate, common); |
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} |
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extern const struct clk_ops sprd_gate_ops; |
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extern const struct clk_ops sprd_sc_gate_ops; |
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extern const struct clk_ops sprd_pll_sc_gate_ops; |
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#endif /* _SPRD_GATE_H_ */
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