tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * Renesas R-Car H3 System Controller
3 *
4 * Copyright (C) 2016-2017 Glider bvba
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; version 2 of the License.
9 */
10
11#include <linux/bug.h>
12#include <linux/kernel.h>
13#include <linux/sys_soc.h>
14
15#include <dt-bindings/power/r8a7795-sysc.h>
16
17#include "rcar-sysc.h"
18
19static struct rcar_sysc_area r8a7795_areas[] __initdata = {
20 { "always-on", 0, 0, R8A7795_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
21 { "ca57-scu", 0x1c0, 0, R8A7795_PD_CA57_SCU, R8A7795_PD_ALWAYS_ON,
22 PD_SCU },
23 { "ca57-cpu0", 0x80, 0, R8A7795_PD_CA57_CPU0, R8A7795_PD_CA57_SCU,
24 PD_CPU_NOCR },
25 { "ca57-cpu1", 0x80, 1, R8A7795_PD_CA57_CPU1, R8A7795_PD_CA57_SCU,
26 PD_CPU_NOCR },
27 { "ca57-cpu2", 0x80, 2, R8A7795_PD_CA57_CPU2, R8A7795_PD_CA57_SCU,
28 PD_CPU_NOCR },
29 { "ca57-cpu3", 0x80, 3, R8A7795_PD_CA57_CPU3, R8A7795_PD_CA57_SCU,
30 PD_CPU_NOCR },
31 { "ca53-scu", 0x140, 0, R8A7795_PD_CA53_SCU, R8A7795_PD_ALWAYS_ON,
32 PD_SCU },
33 { "ca53-cpu0", 0x200, 0, R8A7795_PD_CA53_CPU0, R8A7795_PD_CA53_SCU,
34 PD_CPU_NOCR },
35 { "ca53-cpu1", 0x200, 1, R8A7795_PD_CA53_CPU1, R8A7795_PD_CA53_SCU,
36 PD_CPU_NOCR },
37 { "ca53-cpu2", 0x200, 2, R8A7795_PD_CA53_CPU2, R8A7795_PD_CA53_SCU,
38 PD_CPU_NOCR },
39 { "ca53-cpu3", 0x200, 3, R8A7795_PD_CA53_CPU3, R8A7795_PD_CA53_SCU,
40 PD_CPU_NOCR },
41 { "a3vp", 0x340, 0, R8A7795_PD_A3VP, R8A7795_PD_ALWAYS_ON },
42 { "cr7", 0x240, 0, R8A7795_PD_CR7, R8A7795_PD_ALWAYS_ON },
43 { "a3vc", 0x380, 0, R8A7795_PD_A3VC, R8A7795_PD_ALWAYS_ON },
44 /* A2VC0 exists on ES1.x only */
45 { "a2vc0", 0x3c0, 0, R8A7795_PD_A2VC0, R8A7795_PD_A3VC },
46 { "a2vc1", 0x3c0, 1, R8A7795_PD_A2VC1, R8A7795_PD_A3VC },
47 { "3dg-a", 0x100, 0, R8A7795_PD_3DG_A, R8A7795_PD_ALWAYS_ON },
48 { "3dg-b", 0x100, 1, R8A7795_PD_3DG_B, R8A7795_PD_3DG_A },
49 { "3dg-c", 0x100, 2, R8A7795_PD_3DG_C, R8A7795_PD_3DG_B },
50 { "3dg-d", 0x100, 3, R8A7795_PD_3DG_D, R8A7795_PD_3DG_C },
51 { "3dg-e", 0x100, 4, R8A7795_PD_3DG_E, R8A7795_PD_3DG_D },
52 { "a3ir", 0x180, 0, R8A7795_PD_A3IR, R8A7795_PD_ALWAYS_ON },
53};
54
55
56 /*
57 * Fixups for R-Car H3 revisions after ES1.x
58 */
59
60static const struct soc_device_attribute r8a7795es1[] __initconst = {
61 { .soc_id = "r8a7795", .revision = "ES1.*" },
62 { /* sentinel */ }
63};
64
65static int __init r8a7795_sysc_init(void)
66{
67 if (!soc_device_match(r8a7795es1))
68 rcar_sysc_nullify(r8a7795_areas, ARRAY_SIZE(r8a7795_areas),
69 R8A7795_PD_A2VC0);
70
71 return 0;
72}
73
74const struct rcar_sysc_info r8a7795_sysc_info __initconst = {
75 .init = r8a7795_sysc_init,
76 .areas = r8a7795_areas,
77 .num_areas = ARRAY_SIZE(r8a7795_areas),
78};