1// SPDX-License-Identifier: GPL-2.0+
2/*
3 * Copyright (c) 2015 Google, Inc
4 */
5
6#include <common.h>
7#include <debug_uart.h>
8#include <dm.h>
9#include <dt-structs.h>
10#include <ns16550.h>
11#include <serial.h>
12#include <asm/arch-rockchip/clock.h>
13#include <dm/device-internal.h>
14
15struct rockchip_uart_plat {
16#if CONFIG_IS_ENABLED(OF_PLATDATA)
17	struct dtd_rockchip_uart dtplat;
18#endif
19	struct ns16550_plat plat;
20};
21
22#if CONFIG_IS_ENABLED(OF_PLATDATA)
23struct dtd_rockchip_uart *dtplat, s_dtplat;
24#endif
25
26static int rockchip_serial_probe(struct udevice *dev)
27{
28#if CONFIG_IS_ENABLED(OF_PLATDATA)
29	struct rockchip_uart_plat *plat = dev_get_plat(dev);
30
31	/* Create some new platform data for the standard driver */
32	plat->plat.base = plat->dtplat.reg[0];
33	plat->plat.reg_shift = plat->dtplat.reg_shift;
34	plat->plat.clock = plat->dtplat.clock_frequency;
35	plat->plat.fcr = UART_FCR_DEFVAL;
36	dev_set_plat(dev, &plat->plat);
37
38	return ns16550_serial_probe(dev);
39#else
40	return -ENODEV;
41#endif
42}
43
44U_BOOT_DRIVER(rockchip_uart) = {
45	.name		= "rockchip_uart",
46	.id		= UCLASS_SERIAL,
47	.priv_auto	= sizeof(struct ns16550),
48	.plat_auto	= sizeof(struct rockchip_uart_plat),
49	.probe		= rockchip_serial_probe,
50	.ops		= &ns16550_serial_ops,
51	.flags		= DM_FLAG_PRE_RELOC,
52};
53DM_DRIVER_ALIAS(rockchip_uart, rockchip_rk3066_uart)
54DM_DRIVER_ALIAS(rockchip_uart, rockchip_rk3188_uart)
55DM_DRIVER_ALIAS(rockchip_uart, rockchip_rk3288_uart)
56DM_DRIVER_ALIAS(rockchip_uart, rockchip_rk3328_uart)
57DM_DRIVER_ALIAS(rockchip_uart, rockchip_rk3368_uart)
58