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 13 DECLARE_GLOBAL_DATA_PTR; 14 15 #if CONFIG_IS_ENABLED(OF_CONTROL) 16 static const struct udevice_id omap_serial_ids[] = { 17 { .compatible = "ti,omap3-uart" }, 18 { .compatible = "ti,omap4-uart" }, 19 { } 20 }; 21 22 static int omap_serial_ofdata_to_platdata(struct udevice *dev) 23 { 24 struct ns16550_platdata *plat = dev_get_platdata(dev); 25 int ret; 26 27 ret = ns16550_serial_ofdata_to_platdata(dev); 28 if (ret) 29 return ret; 30 plat->clock = fdtdec_get_int(gd->fdt_blob, dev->of_offset, 31 "clock-frequency", -1); 32 plat->reg_shift = 2; 33 34 return 0; 35 } 36 #endif 37 38 U_BOOT_DRIVER(serial_omap_ns16550) = { 39 .name = "serial_omap", 40 .id = UCLASS_SERIAL, 41 .of_match = of_match_ptr(omap_serial_ids), 42 .ofdata_to_platdata = of_match_ptr(omap_serial_ofdata_to_platdata), 43 .platdata_auto_alloc_size = sizeof(struct ns16550_platdata), 44 .priv_auto_alloc_size = sizeof(struct NS16550), 45 .probe = ns16550_serial_probe, 46 .ops = &ns16550_serial_ops, 47 .flags = DM_FLAG_PRE_RELOC, 48 }; 49