arch/nios2/platform/platform.c

   1 /*
   2  * Copyright (C) 2013 Altera Corporation
   3  * Copyright (C) 2011 Thomas Chou
   4  * Copyright (C) 2011 Walter Goossens
   5  *
   6  * This file is subject to the terms and conditions of the GNU General
   7  * Public License. See the file COPYING in the main directory of this
   8  * archive for more details.
   9  */
  10
  11 #include <linux/init.h>
  12 #include <linux/of_address.h>
  13 #include <linux/of_fdt.h>
  14 #include <linux/err.h>
  15 #include <linux/slab.h>
  16 #include <linux/sys_soc.h>
  17 #include <linux/io.h>
  18 #include <linux/clk-provider.h>
  19
  20 static const struct of_device_id clk_match[] __initconst = {
  21         { .compatible = "fixed-clock", .data = of_fixed_clk_setup, },
  22         {}
  23 };
  24
  25 static int __init nios2_soc_device_init(void)
  26 {
  27         struct soc_device *soc_dev;
  28         struct soc_device_attribute *soc_dev_attr;
  29         const char *machine;
  30
  31         soc_dev_attr = kzalloc(sizeof(*soc_dev_attr), GFP_KERNEL);
  32         if (soc_dev_attr) {
  33                 machine = of_flat_dt_get_machine_name();
  34                 if (machine)
  35                         soc_dev_attr->machine = kasprintf(GFP_KERNEL, "%s",
  36                                                 machine);
  37
  38                 soc_dev_attr->family = "Nios II";
  39
  40                 soc_dev = soc_device_register(soc_dev_attr);
  41                 if (IS_ERR(soc_dev)) {
  42                         kfree(soc_dev_attr->machine);
  43                         kfree(soc_dev_attr);
  44                 }
  45         }
  46
  47         of_clk_init(clk_match);
  48
  49         return 0;
  50 }
  51
  52 device_initcall(nios2_soc_device_init);