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kernel/linux-rt-4.4.41/drivers/clk/mediatek/clk-gate.h 1.21 KB
5113f6f70   김현기   kernel add
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  /*
   * Copyright (c) 2014 MediaTek Inc.
   * Author: James Liao <jamesjj.liao@mediatek.com>
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License version 2 as
   * published by the Free Software Foundation.
   *
   * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU General Public License for more details.
   */
  
  #ifndef __DRV_CLK_GATE_H
  #define __DRV_CLK_GATE_H
  
  #include <linux/regmap.h>
  #include <linux/clk-provider.h>
  
  struct clk;
  
  struct mtk_clk_gate {
  	struct clk_hw	hw;
  	struct regmap	*regmap;
  	int		set_ofs;
  	int		clr_ofs;
  	int		sta_ofs;
  	u8		bit;
  };
  
  static inline struct mtk_clk_gate *to_clk_gate(struct clk_hw *hw)
  {
  	return container_of(hw, struct mtk_clk_gate, hw);
  }
  
  extern const struct clk_ops mtk_clk_gate_ops_setclr;
  extern const struct clk_ops mtk_clk_gate_ops_setclr_inv;
  
  struct clk *mtk_clk_register_gate(
  		const char *name,
  		const char *parent_name,
  		struct regmap *regmap,
  		int set_ofs,
  		int clr_ofs,
  		int sta_ofs,
  		u8 bit,
  		const struct clk_ops *ops);
  
  #endif /* __DRV_CLK_GATE_H */