drivers/serial/serial_dw.c

   1 /*
   2  * Copyright (c) 2014 Google, Inc
   3  *
   4  * SPDX-License-Identifier:     GPL-2.0+
   5  */
   6
   7 #include <common.h>
   8 #include <dm.h>
   9 #include <ns16550.h>
  10 #include <serial.h>
  11
  12 static const struct udevice_id dw_serial_ids[] = {
  13         { .compatible = "snps,dw-apb-uart" },
  14         { }
  15 };
  16
  17 static int dw_serial_ofdata_to_platdata(struct udevice *dev)
  18 {
  19         struct ns16550_platdata *plat = dev_get_platdata(dev);
  20         int ret;
  21
  22         ret = ns16550_serial_ofdata_to_platdata(dev);
  23         if (ret)
  24                 return ret;
  25         plat->clock = CONFIG_SYS_NS16550_CLK;
  26
  27         return 0;
  28 }
  29
  30 U_BOOT_DRIVER(serial_ns16550) = {
  31         .name   = "serial_dw",
  32         .id     = UCLASS_SERIAL,
  33         .of_match = dw_serial_ids,
  34         .ofdata_to_platdata = dw_serial_ofdata_to_platdata,
  35         .platdata_auto_alloc_size = sizeof(struct ns16550_platdata),
  36         .priv_auto_alloc_size = sizeof(struct NS16550),
  37         .probe = ns16550_serial_probe,
  38         .ops    = &ns16550_serial_ops,
  39 };