mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-12 22:33:18 +00:00
765a1b1eb3
Add support for the Rockchip serial device using the ns16550 driver. This uses driver model and device tree for both SPL and U-Boot proper. Signed-off-by: Simon Glass <sjg@chromium.org>
43 lines
970 B
C
43 lines
970 B
C
/*
|
|
* Copyright (c) 2015 Google, Inc
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <dm.h>
|
|
#include <ns16550.h>
|
|
#include <serial.h>
|
|
#include <asm/arch/clock.h>
|
|
|
|
static const struct udevice_id rockchip_serial_ids[] = {
|
|
{ .compatible = "rockchip,rk3288-uart" },
|
|
{ }
|
|
};
|
|
|
|
static int rockchip_serial_ofdata_to_platdata(struct udevice *dev)
|
|
{
|
|
struct ns16550_platdata *plat = dev_get_platdata(dev);
|
|
int ret;
|
|
|
|
ret = ns16550_serial_ofdata_to_platdata(dev);
|
|
if (ret)
|
|
return ret;
|
|
|
|
/* Do all Rockchip parts use 24MHz? */
|
|
plat->clock = 24 * 1000000;
|
|
|
|
return 0;
|
|
}
|
|
|
|
U_BOOT_DRIVER(serial_ns16550) = {
|
|
.name = "serial_rockchip",
|
|
.id = UCLASS_SERIAL,
|
|
.of_match = rockchip_serial_ids,
|
|
.ofdata_to_platdata = rockchip_serial_ofdata_to_platdata,
|
|
.platdata_auto_alloc_size = sizeof(struct ns16550_platdata),
|
|
.priv_auto_alloc_size = sizeof(struct NS16550),
|
|
.probe = ns16550_serial_probe,
|
|
.ops = &ns16550_serial_ops,
|
|
.flags = DM_FLAG_PRE_RELOC,
|
|
};
|