drivers/clk/qcom/clk-rpm.h

   1 /*
   2  * Copyright (c) 2015, Linaro Limited
   3  * Copyright (c) 2014, The Linux Foundation. All rights reserved.
   4  *
   5  * This software is licensed under the terms of the GNU General Public
   6  * License version 2, as published by the Free Software Foundation, and
   7  * may be copied, distributed, and modified under those terms.
   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 __QCOM_CLK_RPM_H__
  16 #define __QCOM_CLK_RPM_H__
  17
  18 #include <linux/clk-provider.h>
  19
  20 struct qcom_rpm;
  21
  22 struct clk_rpm {
  23         const int rpm_clk_id;
  24         unsigned long rate;
  25         bool enabled;
  26         bool branch;
  27         struct clk_hw hw;
  28         struct qcom_rpm *rpm;
  29 };
  30
  31 extern const struct clk_ops clk_rpm_ops;
  32 extern const struct clk_ops clk_rpm_branch_ops;
  33
  34 #define DEFINE_CLK_RPM(_platform, _name, r_id)                               \
  35         static struct clk_rpm _platform##_##_name = {                        \
  36                 .rpm_clk_id = (r_id),                                        \
  37                 .rate = INT_MAX,                                             \
  38                 .hw.init = &(struct clk_init_data){                          \
  39                         .name = #_name,                                      \
  40                         .parent_names = (const char *[]){ "pxo_board" },     \
  41                         .num_parents = 1,                                    \
  42                         .ops = &clk_rpm_ops,                                 \
  43                 },                                                           \
  44         }
  45
  46 #define DEFINE_CLK_RPM_PXO_BRANCH(_platform, _name, r_id, r)                 \
  47         static struct clk_rpm _platform##_##_name = {                        \
  48                 .rpm_clk_id = (r_id),                                        \
  49                 .branch = true,                                              \
  50                 .rate = (r),                                                 \
  51                 .hw.init = &(struct clk_init_data){                          \
  52                         .name = #_name,                                      \
  53                         .parent_names = (const char *[]){ "pxo_board" },     \
  54                         .num_parents = 1,                                    \
  55                         .ops = &clk_rpm_branch_ops,                          \
  56                 },                                                           \
  57         }
  58
  59 #define DEFINE_CLK_RPM_CXO_BRANCH(_platform, _name, r_id, r)                 \
  60         static struct clk_rpm _platform##_##_name = {                        \
  61                 .rpm_clk_id = (r_id),                                        \
  62                 .branch = true,                                              \
  63                 .rate = (r),                                                 \
  64                 .hw.init = &(struct clk_init_data){                          \
  65                         .name = #_name,                                      \
  66                         .parent_names = (const char *[]){ "cxo_board" },     \
  67                         .num_parents = 1,                                    \
  68                         .ops = &clk_rpm_branch_ops,                          \
  69                 },                                                           \
  70         }
  71 #endif