LXR uboot/drivers/serial/serial

   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 <fdtdec.h>
  10#include <ns16550.h>
  11#include <serial.h>
  12
  13DECLARE_GLOBAL_DATA_PTR;
  14
  15static const struct udevice_id x86_serial_ids[] = {
  16        { .compatible = "x86-uart" },
  17        { }
  18};
  19
  20static int x86_serial_ofdata_to_platdata(struct udevice *dev)
  21{
  22        struct ns16550_platdata *plat = dev_get_platdata(dev);
  23        int ret;
  24
  25        ret = ns16550_serial_ofdata_to_platdata(dev);
  26        if (ret)
  27                return ret;
  28
  29        plat->clock = fdtdec_get_int(gd->fdt_blob, dev->of_offset,
  30                                     "clock-frequency", 1843200);
  31
  32        return 0;
  33}
  34
  35U_BOOT_DRIVER(serial_ns16550) = {
  36        .name   = "serial_x86",
  37        .id     = UCLASS_SERIAL,
  38        .of_match = x86_serial_ids,
  39        .ofdata_to_platdata = x86_serial_ofdata_to_platdata,
  40        .platdata_auto_alloc_size = sizeof(struct ns16550_platdata),
  41        .priv_auto_alloc_size = sizeof(struct NS16550),
  42        .probe = ns16550_serial_probe,
  43        .ops    = &ns16550_serial_ops,
  44};
  45