drivers/clk/qcom/clk-regmap.h

   1 /*
   2  * Copyright (c) 2014, The Linux Foundation. All rights reserved.
   3  *
   4  * This software is licensed under the terms of the GNU General Public
   5  * License version 2, as published by the Free Software Foundation, and
   6  * may be copied, distributed, and modified under those terms.
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  * GNU General Public License for more details.
  12  */
  13
  14 #ifndef __QCOM_CLK_REGMAP_H__
  15 #define __QCOM_CLK_REGMAP_H__
  16
  17 #include <linux/clk-provider.h>
  18
  19 struct regmap;
  20
  21 /**
  22  * struct clk_regmap - regmap supporting clock
  23  * @hw:         handle between common and hardware-specific interfaces
  24  * @regmap:     regmap to use for regmap helpers and/or by providers
  25  * @enable_reg: register when using regmap enable/disable ops
  26  * @enable_mask: mask when using regmap enable/disable ops
  27  * @enable_is_inverted: flag to indicate set enable_mask bits to disable
  28  *                      when using clock_enable_regmap and friends APIs.
  29  */
  30 struct clk_regmap {
  31         struct clk_hw hw;
  32         struct regmap *regmap;
  33         unsigned int enable_reg;
  34         unsigned int enable_mask;
  35         bool enable_is_inverted;
  36 };
  37 #define to_clk_regmap(_hw) container_of(_hw, struct clk_regmap, hw)
  38
  39 int clk_is_enabled_regmap(struct clk_hw *hw);
  40 int clk_enable_regmap(struct clk_hw *hw);
  41 void clk_disable_regmap(struct clk_hw *hw);
  42 struct clk *
  43 devm_clk_register_regmap(struct device *dev, struct clk_regmap *rclk);
  44
  45 #endif