1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * (C) Copyright 2017 Rockchip Electronics Co., Ltd
4 * Author: Andy Yan <andy.yan@rock-chips.com>
5 * (C) Copyright 2017 Theobroma Systems Design und Consulting GmbH
6 */
7
8 #include <common.h>
9 #include <dm.h>
10 #include <log.h>
11 #include <syscon.h>
12 #include <asm/arch-rockchip/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 .of_match = rk3368_syscon_ids,
30 };
31
32 #if CONFIG_IS_ENABLED(OF_PLATDATA)
rk3368_syscon_bind_of_plat(struct udevice * dev)33 static int rk3368_syscon_bind_of_plat(struct udevice *dev)
34 {
35 dev->driver_data = dev->driver->of_match->data;
36 debug("syscon: %s %d\n", dev->name, (uint)dev->driver_data);
37
38 return 0;
39 }
40
41 U_BOOT_DRIVER(rockchip_rk3368_grf) = {
42 .name = "rockchip_rk3368_grf",
43 .id = UCLASS_SYSCON,
44 .of_match = rk3368_syscon_ids,
45 .bind = rk3368_syscon_bind_of_plat,
46 };
47
48 U_BOOT_DRIVER(rockchip_rk3368_pmugrf) = {
49 .name = "rockchip_rk3368_pmugrf",
50 .id = UCLASS_SYSCON,
51 .of_match = rk3368_syscon_ids + 1,
52 .bind = rk3368_syscon_bind_of_plat,
53 };
54
55 U_BOOT_DRIVER(rockchip_rk3368_msch) = {
56 .name = "rockchip_rk3368_msch",
57 .id = UCLASS_SYSCON,
58 .of_match = rk3368_syscon_ids + 2,
59 .bind = rk3368_syscon_bind_of_plat,
60 };
61
62 U_BOOT_DRIVER(rockchip_rk3368_sgrf) = {
63 .name = "rockchip_rk3368_sgrf",
64 .id = UCLASS_SYSCON,
65 .of_match = rk3368_syscon_ids + 3,
66 .bind = rk3368_syscon_bind_of_plat,
67 };
68 #endif
69