projects / J-u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 0bf24951 SG |
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 | ||
| 3a64845e M |
15 | #define DEFAULT_CLK_SPEED 48000000 /* 48Mhz */ |
| 16 | ||
| 0f925822 | 17 | #if CONFIG_IS_ENABLED(OF_CONTROL) |
| 0bf24951 | 18 | static const struct udevice_id omap_serial_ids[] = { |
| e5a098b5 | 19 | { .compatible = "ti,omap2-uart" }, |
| 0bf24951 | 20 | { .compatible = "ti,omap3-uart" }, |
| 57cd681b | 21 | { .compatible = "ti,omap4-uart" }, |
| e5a098b5 M |
22 | { .compatible = "ti,am3352-uart" }, |
| 23 | { .compatible = "ti,am4372-uart" }, | |
| 24 | { .compatible = "ti,dra742-uart" }, | |
| 0bf24951 SG |
25 | { } |
| 26 | }; | |
| 27 | ||
| 28 | static int omap_serial_ofdata_to_platdata(struct udevice *dev) | |
| 29 | { | |
| 30 | struct ns16550_platdata *plat = dev_get_platdata(dev); | |
| 31 | int ret; | |
| 32 | ||
| 33 | ret = ns16550_serial_ofdata_to_platdata(dev); | |
| 34 | if (ret) | |
| 35 | return ret; | |
| 36 | plat->clock = fdtdec_get_int(gd->fdt_blob, dev->of_offset, | |
| 3a64845e | 37 | "clock-frequency", DEFAULT_CLK_SPEED); |
| 0bf24951 SG |
38 | plat->reg_shift = 2; |
| 39 | ||
| 40 | return 0; | |
| 41 | } | |
| 42 | #endif | |
| 43 | ||
| 44 | U_BOOT_DRIVER(serial_omap_ns16550) = { | |
| 45 | .name = "serial_omap", | |
| 46 | .id = UCLASS_SERIAL, | |
| 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, | |
| 54 | }; |