drivers/clk/qcom/common.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 #ifndef __QCOM_CLK_COMMON_H__
  14 #define __QCOM_CLK_COMMON_H__
  15
  16 struct platform_device;
  17 struct regmap_config;
  18 struct clk_regmap;
  19 struct qcom_reset_map;
  20 struct regmap;
  21 struct freq_tbl;
  22 struct clk_hw;
  23 struct parent_map;
  24
  25 struct qcom_cc_desc {
  26         const struct regmap_config *config;
  27         struct clk_regmap **clks;
  28         size_t num_clks;
  29         const struct qcom_reset_map *resets;
  30         size_t num_resets;
  31         struct gdsc **gdscs;
  32         size_t num_gdscs;
  33 };
  34
  35 extern const struct freq_tbl *qcom_find_freq(const struct freq_tbl *f,
  36                                              unsigned long rate);
  37 extern int qcom_find_src_index(struct clk_hw *hw, const struct parent_map *map,
  38                                u8 src);
  39
  40 extern int qcom_cc_register_board_clk(struct device *dev, const char *path,
  41                                       const char *name, unsigned long rate);
  42 extern int qcom_cc_register_sleep_clk(struct device *dev);
  43
  44 extern struct regmap *qcom_cc_map(struct platform_device *pdev,
  45                                   const struct qcom_cc_desc *desc);
  46 extern int qcom_cc_really_probe(struct platform_device *pdev,
  47                                 const struct qcom_cc_desc *desc,
  48                                 struct regmap *regmap);
  49 extern int qcom_cc_probe(struct platform_device *pdev,
  50                          const struct qcom_cc_desc *desc);
  51
  52 #endif