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