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44b12d43 TK |
1 | // SPDX-License-Identifier: GPL-2.0 |
2 | /* | |
3 | * Renesas R-Car E3 System Controller | |
4 | * | |
5 | * Copyright (C) 2018 Renesas Electronics Corp. | |
6 | */ | |
7 | ||
8 | #include <linux/bug.h> | |
9 | #include <linux/kernel.h> | |
086b3999 | 10 | #include <linux/sys_soc.h> |
44b12d43 TK |
11 | |
12 | #include <dt-bindings/power/r8a77990-sysc.h> | |
13 | ||
14 | #include "rcar-sysc.h" | |
15 | ||
086b3999 | 16 | static struct rcar_sysc_area r8a77990_areas[] __initdata = { |
44b12d43 TK |
17 | { "always-on", 0, 0, R8A77990_PD_ALWAYS_ON, -1, PD_ALWAYS_ON }, |
18 | { "ca53-scu", 0x140, 0, R8A77990_PD_CA53_SCU, R8A77990_PD_ALWAYS_ON, | |
19 | PD_SCU }, | |
20 | { "ca53-cpu0", 0x200, 0, R8A77990_PD_CA53_CPU0, R8A77990_PD_CA53_SCU, | |
21 | PD_CPU_NOCR }, | |
22 | { "ca53-cpu1", 0x200, 1, R8A77990_PD_CA53_CPU1, R8A77990_PD_CA53_SCU, | |
23 | PD_CPU_NOCR }, | |
24 | { "cr7", 0x240, 0, R8A77990_PD_CR7, R8A77990_PD_ALWAYS_ON }, | |
25 | { "a3vc", 0x380, 0, R8A77990_PD_A3VC, R8A77990_PD_ALWAYS_ON }, | |
26 | { "a2vc1", 0x3c0, 1, R8A77990_PD_A2VC1, R8A77990_PD_A3VC }, | |
27 | { "3dg-a", 0x100, 0, R8A77990_PD_3DG_A, R8A77990_PD_ALWAYS_ON }, | |
28 | { "3dg-b", 0x100, 1, R8A77990_PD_3DG_B, R8A77990_PD_3DG_A }, | |
29 | }; | |
30 | ||
086b3999 YS |
31 | /* Fixups for R-Car E3 ES1.0 revision */ |
32 | static const struct soc_device_attribute r8a77990[] __initconst = { | |
33 | { .soc_id = "r8a77990", .revision = "ES1.0" }, | |
34 | { /* sentinel */ } | |
35 | }; | |
36 | ||
37 | static int __init r8a77990_sysc_init(void) | |
38 | { | |
39 | if (soc_device_match(r8a77990)) { | |
b0d7fbf8 GU |
40 | /* Fix incorrect 3DG hierarchy */ |
41 | swap(r8a77990_areas[7], r8a77990_areas[8]); | |
42 | r8a77990_areas[7].parent = R8A77990_PD_ALWAYS_ON; | |
43 | r8a77990_areas[8].parent = R8A77990_PD_3DG_B; | |
086b3999 YS |
44 | } |
45 | ||
46 | return 0; | |
47 | } | |
48 | ||
44b12d43 | 49 | const struct rcar_sysc_info r8a77990_sysc_info __initconst = { |
086b3999 | 50 | .init = r8a77990_sysc_init, |
44b12d43 TK |
51 | .areas = r8a77990_areas, |
52 | .num_areas = ARRAY_SIZE(r8a77990_areas), | |
53 | }; |