drivers/soc/tegra/common.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Copyright (C) 2014 NVIDIA CORPORATION.  All rights reserved.
   4  */
   5
   6 #include <linux/of.h>
   7
   8 #include <soc/tegra/common.h>
   9
  10 static const struct of_device_id tegra_machine_match[] = {
  11         { .compatible = "nvidia,tegra20", },
  12         { .compatible = "nvidia,tegra30", },
  13         { .compatible = "nvidia,tegra114", },
  14         { .compatible = "nvidia,tegra124", },
  15         { .compatible = "nvidia,tegra132", },
  16         { .compatible = "nvidia,tegra210", },
  17         { }
  18 };
  19
  20 bool soc_is_tegra(void)
  21 {
  22         const struct of_device_id *match;
  23         struct device_node *root;
  24
  25         root = of_find_node_by_path("/");
  26         if (!root)
  27                 return false;
  28
  29         match = of_match_node(tegra_machine_match, root);
  30         of_node_put(root);
  31
  32         return match != NULL;
  33 }