2 * Copyright (c) 2014 Google, Inc
4 * SPDX-License-Identifier: GPL-2.0+
13 DECLARE_GLOBAL_DATA_PTR;
15 #define DEFAULT_CLK_SPEED 48000000 /* 48Mhz */
17 #if CONFIG_IS_ENABLED(OF_CONTROL)
18 static const struct udevice_id omap_serial_ids[] = {
19 { .compatible = "ti,omap2-uart" },
20 { .compatible = "ti,omap3-uart" },
21 { .compatible = "ti,omap4-uart" },
22 { .compatible = "ti,am3352-uart" },
23 { .compatible = "ti,am4372-uart" },
24 { .compatible = "ti,dra742-uart" },
28 static int omap_serial_ofdata_to_platdata(struct udevice *dev)
30 struct ns16550_platdata *plat = dev_get_platdata(dev);
33 ret = ns16550_serial_ofdata_to_platdata(dev);
36 plat->clock = fdtdec_get_int(gd->fdt_blob, dev->of_offset,
37 "clock-frequency", DEFAULT_CLK_SPEED);
44 U_BOOT_DRIVER(serial_omap_ns16550) = {
45 .name = "serial_omap",
47 .of_match = of_match_ptr(omap_serial_ids),
48 .ofdata_to_platdata = of_match_ptr(omap_serial_ofdata_to_platdata),
49 .platdata_auto_alloc_size = sizeof(struct ns16550_platdata),
50 .priv_auto_alloc_size = sizeof(struct NS16550),
51 .probe = ns16550_serial_probe,
52 .ops = &ns16550_serial_ops,
53 .flags = DM_FLAG_PRE_RELOC,