1 /*
2 * (C) Copyright 2017 Rockchip Electronics Co., Ltd
3 * Author: Andy Yan <andy.yan@rock-chips.com>
4 * (C) Copyright 2017 Theobroma Systems Design und Consulting GmbH
5 *
6 * SPDX-License-Identifier: GPL-2.0+
7 */
8
9 #include <common.h>
10 #include <dm.h>
11 #include <syscon.h>
12 #include <asm/arch/clock.h>
13
14 static const struct udevice_id rk3368_syscon_ids[] = {
15 { .compatible = "rockchip,rk3368-grf",
16 .data = ROCKCHIP_SYSCON_GRF },
17 { .compatible = "rockchip,rk3368-pmugrf",
18 .data = ROCKCHIP_SYSCON_PMUGRF },
19 { .compatible = "rockchip,rk3368-msch",
20 .data = ROCKCHIP_SYSCON_MSCH },
21 { .compatible = "rockchip,rk3368-sgrf",
22 .data = ROCKCHIP_SYSCON_SGRF },
23 { }
24 };
25
26 U_BOOT_DRIVER(syscon_rk3368) = {
27 .name = "rk3368_syscon",
28 .id = UCLASS_SYSCON,
29 #if !CONFIG_IS_ENABLED(OF_PLATDATA)
30 .bind = dm_scan_fdt_dev,
31 #endif
32 .of_match = rk3368_syscon_ids,
33 };
34
35 #if CONFIG_IS_ENABLED(OF_PLATDATA)
rk3368_syscon_bind_of_platdata(struct udevice * dev)36 static int rk3368_syscon_bind_of_platdata(struct udevice *dev)
37 {
38 dev->driver_data = dev->driver->of_match->data;
39 debug("syscon: %s %d\n", dev->name, (uint)dev->driver_data);
40
41 return 0;
42 }
43
44 U_BOOT_DRIVER(rockchip_rk3368_grf) = {
45 .name = "rockchip_rk3368_grf",
46 .id = UCLASS_SYSCON,
47 .of_match = rk3368_syscon_ids,
48 .bind = rk3368_syscon_bind_of_platdata,
49 };
50
51 U_BOOT_DRIVER(rockchip_rk3368_pmugrf) = {
52 .name = "rockchip_rk3368_pmugrf",
53 .id = UCLASS_SYSCON,
54 .of_match = rk3368_syscon_ids + 1,
55 .bind = rk3368_syscon_bind_of_platdata,
56 };
57
58 U_BOOT_DRIVER(rockchip_rk3368_msch) = {
59 .name = "rockchip_rk3368_msch",
60 .id = UCLASS_SYSCON,
61 .of_match = rk3368_syscon_ids + 2,
62 .bind = rk3368_syscon_bind_of_platdata,
63 };
64
65 U_BOOT_DRIVER(rockchip_rk3368_sgrf) = {
66 .name = "rockchip_rk3368_sgrf",
67 .id = UCLASS_SYSCON,
68 .of_match = rk3368_syscon_ids + 3,
69 .bind = rk3368_syscon_bind_of_platdata,
70 };
71 #endif
72