LXR linux/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
  19struct 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 */
  30struct 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
  39int clk_is_enabled_regmap(struct clk_hw *hw);
  40int clk_enable_regmap(struct clk_hw *hw);
  41void clk_disable_regmap(struct clk_hw *hw);
  42struct clk *
  43devm_clk_register_regmap(struct device *dev, struct clk_regmap *rclk);
  44
  45#endif
  46