drivers/clk/mediatek/clk-gate.h

root/drivers/clk/mediatek/clk-gate.h
/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Copyright (c) 2014 MediaTek Inc.
 * Author: James Liao <jamesjj.liao@mediatek.com>
 */

#ifndef __DRV_CLK_GATE_H
#define __DRV_CLK_GATE_H

#include <linux/types.h>

struct clk;
struct clk_hw_onecell_data;
struct clk_ops;
struct device;
struct device_node;

extern const struct clk_ops mtk_clk_gate_ops_setclr;
extern const struct clk_ops mtk_clk_gate_ops_setclr_inv;
extern const struct clk_ops mtk_clk_gate_ops_no_setclr;
extern const struct clk_ops mtk_clk_gate_ops_no_setclr_inv;
extern const struct clk_ops mtk_clk_gate_hwv_ops_setclr;
extern const struct clk_ops mtk_clk_gate_hwv_ops_setclr_inv;

struct mtk_gate_regs {
        u32 sta_ofs;
        u32 clr_ofs;
        u32 set_ofs;
};

struct mtk_gate {
        int id;
        const char *name;
        const char *parent_name;
        const struct mtk_gate_regs *regs;
        const struct mtk_gate_regs *hwv_regs;
        int shift;
        const struct clk_ops *ops;
        unsigned long flags;
};

#define GATE_MTK_FLAGS(_id, _name, _parent, _regs, _shift,      \
                        _ops, _flags) {                         \
                .id = _id,                                      \
                .name = _name,                                  \
                .parent_name = _parent,                         \
                .regs = _regs,                                  \
                .shift = _shift,                                \
                .ops = _ops,                                    \
                .flags = _flags,                                \
        }

#define GATE_MTK(_id, _name, _parent, _regs, _shift, _ops)              \
        GATE_MTK_FLAGS(_id, _name, _parent, _regs, _shift, _ops, 0)

int mtk_clk_register_gates(struct device *dev, struct device_node *node,
                           const struct mtk_gate *clks, int num,
                           struct clk_hw_onecell_data *clk_data);

void mtk_clk_unregister_gates(const struct mtk_gate *clks, int num,
                              struct clk_hw_onecell_data *clk_data);

#endif /* __DRV_CLK_GATE_H */
Linux
