drivers/soc/brcmstb/common.c

   1 /*
   2  * Copyright © 2014 NVIDIA Corporation
   3  * Copyright © 2015 Broadcom Corporation
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License version 2 as
   7  * published by the Free Software Foundation.
   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 #include <linux/of.h>
  16
  17 #include <soc/brcmstb/common.h>
  18
  19 static const struct of_device_id brcmstb_machine_match[] = {
  20         { .compatible = "brcm,brcmstb", },
  21         { }
  22 };
  23
  24 bool soc_is_brcmstb(void)
  25 {
  26         struct device_node *root;
  27
  28         root = of_find_node_by_path("/");
  29         if (!root)
  30                 return false;
  31
  32         return of_match_node(brcmstb_machine_match, root) != NULL;
  33 }