drivers/pinctrl/devicetree.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * Internal interface to pinctrl device tree integration
   4  *
   5  * Copyright (C) 2012 NVIDIA CORPORATION. All rights reserved.
   6  */
   7
   8 #include <linux/errno.h>
   9
  10 struct device_node;
  11 struct of_phandle_args;
  12
  13 struct pinctrl;
  14 struct pinctrl_dev;
  15
  16 #ifdef CONFIG_OF
  17
  18 void pinctrl_dt_free_maps(struct pinctrl *p);
  19 int pinctrl_dt_to_map(struct pinctrl *p, struct pinctrl_dev *pctldev);
  20
  21 int pinctrl_count_index_with_args(const struct device_node *np,
  22                                   const char *list_name);
  23
  24 int pinctrl_parse_index_with_args(const struct device_node *np,
  25                                   const char *list_name, int index,
  26                                   struct of_phandle_args *out_args);
  27
  28 #else
  29
  30 static inline int pinctrl_dt_to_map(struct pinctrl *p,
  31                                     struct pinctrl_dev *pctldev)
  32 {
  33         return 0;
  34 }
  35
  36 static inline void pinctrl_dt_free_maps(struct pinctrl *p)
  37 {
  38 }
  39
  40 static inline int pinctrl_count_index_with_args(const struct device_node *np,
  41                                                 const char *list_name)
  42 {
  43         return -ENODEV;
  44 }
  45
  46 static inline int
  47 pinctrl_parse_index_with_args(const struct device_node *np,
  48                               const char *list_name, int index,
  49                               struct of_phandle_args *out_args)
  50 {
  51         return -ENODEV;
  52 }
  53
  54 #endif