1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * (C) Copyright 2016 Rockchip Electronics Co., Ltd
4 */
5
6 #include <common.h>
7 #include <dm.h>
8 #include <log.h>
9 #include <syscon.h>
10 #include <asm/arch-rockchip/clock.h>
11
12 static const struct udevice_id rk3399_syscon_ids[] = {
13 { .compatible = "rockchip,rk3399-grf", .data = ROCKCHIP_SYSCON_GRF },
14 { .compatible = "rockchip,rk3399-pmugrf", .data = ROCKCHIP_SYSCON_PMUGRF },
15 { .compatible = "rockchip,rk3399-pmusgrf", .data = ROCKCHIP_SYSCON_PMUSGRF },
16 { .compatible = "rockchip,rk3399-cic", .data = ROCKCHIP_SYSCON_CIC },
17 { .compatible = "rockchip,rk3399-pmu", .data = ROCKCHIP_SYSCON_PMU },
18 { }
19 };
20
21 U_BOOT_DRIVER(syscon_rk3399) = {
22 .name = "rk3399_syscon",
23 .id = UCLASS_SYSCON,
24 #if !CONFIG_IS_ENABLED(OF_PLATDATA)
25 .bind = dm_scan_fdt_dev,
26 #endif
27 .of_match = rk3399_syscon_ids,
28 };
29
30 #if CONFIG_IS_ENABLED(OF_PLATDATA)
rk3399_syscon_bind_of_plat(struct udevice * dev)31 static int rk3399_syscon_bind_of_plat(struct udevice *dev)
32 {
33 dev->driver_data = dev->driver->of_match->data;
34 debug("syscon: %s %d\n", dev->name, (uint)dev->driver_data);
35
36 return 0;
37 }
38
39 U_BOOT_DRIVER(rockchip_rk3399_grf) = {
40 .name = "rockchip_rk3399_grf",
41 .id = UCLASS_SYSCON,
42 .of_match = rk3399_syscon_ids,
43 .bind = rk3399_syscon_bind_of_plat,
44 };
45
46 U_BOOT_DRIVER(rockchip_rk3399_pmugrf) = {
47 .name = "rockchip_rk3399_pmugrf",
48 .id = UCLASS_SYSCON,
49 .of_match = rk3399_syscon_ids + 1,
50 .bind = rk3399_syscon_bind_of_plat,
51 };
52
53 U_BOOT_DRIVER(rockchip_rk3399_pmusgrf) = {
54 .name = "rockchip_rk3399_pmusgrf",
55 .id = UCLASS_SYSCON,
56 .of_match = rk3399_syscon_ids + 2,
57 .bind = rk3399_syscon_bind_of_plat,
58 };
59
60 U_BOOT_DRIVER(rockchip_rk3399_cic) = {
61 .name = "rockchip_rk3399_cic",
62 .id = UCLASS_SYSCON,
63 .of_match = rk3399_syscon_ids + 3,
64 .bind = rk3399_syscon_bind_of_plat,
65 };
66
67 U_BOOT_DRIVER(rockchip_rk3399_pmu) = {
68 .name = "rockchip_rk3399_pmu",
69 .id = UCLASS_SYSCON,
70 .of_match = rk3399_syscon_ids + 4,
71 .bind = rk3399_syscon_bind_of_plat,
72 };
73 #endif
74