drivers/pinctrl/devicetree.h

   1 /*
   2  * Internal interface to pinctrl device tree integration
   3  *
   4  * Copyright (C) 2012 NVIDIA CORPORATION. All rights reserved.
   5  *
   6  * This program is free software; you can redistribute it and/or modify it
   7  * under the terms and conditions of the GNU General Public License,
   8  * version 2, as published by the Free Software Foundation.
   9  *
  10  * This program is distributed in the hope it will be useful, but WITHOUT
  11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  13  * more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17  */
  18
  19 struct of_phandle_args;
  20
  21 #ifdef CONFIG_OF
  22
  23 bool pinctrl_dt_has_hogs(struct pinctrl_dev *pctldev);
  24
  25 void pinctrl_dt_free_maps(struct pinctrl *p);
  26 int pinctrl_dt_to_map(struct pinctrl *p, struct pinctrl_dev *pctldev);
  27
  28 int pinctrl_count_index_with_args(const struct device_node *np,
  29                                   const char *list_name);
  30
  31 int pinctrl_parse_index_with_args(const struct device_node *np,
  32                                   const char *list_name, int index,
  33                                   struct of_phandle_args *out_args);
  34
  35 #else
  36
  37 static inline bool pinctrl_dt_has_hogs(struct pinctrl_dev *pctldev)
  38 {
  39         return false;
  40 }
  41
  42 static inline int pinctrl_dt_to_map(struct pinctrl *p,
  43                                     struct pinctrl_dev *pctldev)
  44 {
  45         return 0;
  46 }
  47
  48 static inline void pinctrl_dt_free_maps(struct pinctrl *p)
  49 {
  50 }
  51
  52 static inline int pinctrl_count_index_with_args(const struct device_node *np,
  53                                                 const char *list_name)
  54 {
  55         return -ENODEV;
  56 }
  57
  58 static inline int
  59 pinctrl_parse_index_with_args(const struct device_node *np,
  60                               const char *list_name, int index,
  61                               struct of_phandle_args *out_args)
  62 {
  63         return -ENODEV;
  64 }
  65
  66 #endif