drivers/clk/mediatek/clk-gate.h

   1 /*
   2  * Copyright (c) 2014 MediaTek Inc.
   3  * Author: James Liao <jamesjj.liao@mediatek.com>
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License version 2 as
   7  * published by the Free Software Foundation.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  */
  14
  15 #ifndef __DRV_CLK_GATE_H
  16 #define __DRV_CLK_GATE_H
  17
  18 #include <linux/regmap.h>
  19 #include <linux/clk-provider.h>
  20
  21 struct clk;
  22
  23 struct mtk_clk_gate {
  24         struct clk_hw   hw;
  25         struct regmap   *regmap;
  26         int             set_ofs;
  27         int             clr_ofs;
  28         int             sta_ofs;
  29         u8              bit;
  30 };
  31
  32 static inline struct mtk_clk_gate *to_mtk_clk_gate(struct clk_hw *hw)
  33 {
  34         return container_of(hw, struct mtk_clk_gate, hw);
  35 }
  36
  37 extern const struct clk_ops mtk_clk_gate_ops_setclr;
  38 extern const struct clk_ops mtk_clk_gate_ops_setclr_inv;
  39 extern const struct clk_ops mtk_clk_gate_ops_no_setclr;
  40 extern const struct clk_ops mtk_clk_gate_ops_no_setclr_inv;
  41
  42 struct clk *mtk_clk_register_gate(
  43                 const char *name,
  44                 const char *parent_name,
  45                 struct regmap *regmap,
  46                 int set_ofs,
  47                 int clr_ofs,
  48                 int sta_ofs,
  49                 u8 bit,
  50                 const struct clk_ops *ops);
  51
  52 #endif /* __DRV_CLK_GATE_H */