LXR linux/drivers/clk/mediatek/clk-gate.h

   1/* SPDX-License-Identifier: GPL-2.0-only */
   2/*
   3 * Copyright (c) 2014 MediaTek Inc.
   4 * Author: James Liao <jamesjj.liao@mediatek.com>
   5 */
   6
   7#ifndef __DRV_CLK_GATE_H
   8#define __DRV_CLK_GATE_H
   9
  10#include <linux/regmap.h>
  11#include <linux/clk-provider.h>
  12
  13struct clk;
  14
  15struct mtk_clk_gate {
  16        struct clk_hw   hw;
  17        struct regmap   *regmap;
  18        int             set_ofs;
  19        int             clr_ofs;
  20        int             sta_ofs;
  21        u8              bit;
  22};
  23
  24static inline struct mtk_clk_gate *to_mtk_clk_gate(struct clk_hw *hw)
  25{
  26        return container_of(hw, struct mtk_clk_gate, hw);
  27}
  28
  29extern const struct clk_ops mtk_clk_gate_ops_setclr;
  30extern const struct clk_ops mtk_clk_gate_ops_setclr_inv;
  31extern const struct clk_ops mtk_clk_gate_ops_no_setclr;
  32extern const struct clk_ops mtk_clk_gate_ops_no_setclr_inv;
  33
  34struct clk *mtk_clk_register_gate(
  35                const char *name,
  36                const char *parent_name,
  37                struct regmap *regmap,
  38                int set_ofs,
  39                int clr_ofs,
  40                int sta_ofs,
  41                u8 bit,
  42                const struct clk_ops *ops,
  43                unsigned long flags,
  44                struct device *dev);
  45
  46#define GATE_MTK_FLAGS(_id, _name, _parent, _regs, _shift,      \
  47                        _ops, _flags) {                         \
  48                .id = _id,                                      \
  49                .name = _name,                                  \
  50                .parent_name = _parent,                         \
  51                .regs = _regs,                                  \
  52                .shift = _shift,                                \
  53                .ops = _ops,                                    \
  54                .flags = _flags,                                \
  55        }
  56
  57#define GATE_MTK(_id, _name, _parent, _regs, _shift, _ops)              \
  58        GATE_MTK_FLAGS(_id, _name, _parent, _regs, _shift, _ops, 0)
  59
  60#endif /* __DRV_CLK_GATE_H */
  61