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1 | /* | |
2 | * Device Tree support for Allwinner A1X SoCs | |
3 | * | |
4 | * Copyright (C) 2012 Maxime Ripard | |
5 | * | |
6 | * Maxime Ripard <maxime.ripard@free-electrons.com> | |
7 | * | |
8 | * This file is licensed under the terms of the GNU General Public | |
9 | * License version 2. This program is licensed "as is" without any | |
10 | * warranty of any kind, whether express or implied. | |
11 | */ | |
12 | ||
13 | #include <linux/clk-provider.h> | |
14 | #include <linux/clocksource.h> | |
15 | #include <linux/init.h> | |
16 | #include <linux/platform_device.h> | |
17 | ||
18 | #include <asm/mach/arch.h> | |
19 | ||
20 | static void __init sunxi_dt_cpufreq_init(void) | |
21 | { | |
22 | platform_device_register_simple("cpufreq-dt", -1, NULL, 0); | |
23 | } | |
24 | ||
25 | static const char * const sunxi_board_dt_compat[] = { | |
26 | "allwinner,sun4i-a10", | |
27 | "allwinner,sun5i-a10s", | |
28 | "allwinner,sun5i-a13", | |
29 | "allwinner,sun5i-r8", | |
30 | NULL, | |
31 | }; | |
32 | ||
33 | DT_MACHINE_START(SUNXI_DT, "Allwinner sun4i/sun5i Families") | |
34 | .dt_compat = sunxi_board_dt_compat, | |
35 | .init_late = sunxi_dt_cpufreq_init, | |
36 | MACHINE_END | |
37 | ||
38 | static const char * const sun6i_board_dt_compat[] = { | |
39 | "allwinner,sun6i-a31", | |
40 | "allwinner,sun6i-a31s", | |
41 | NULL, | |
42 | }; | |
43 | ||
44 | extern void __init sun6i_reset_init(void); | |
45 | static void __init sun6i_timer_init(void) | |
46 | { | |
47 | of_clk_init(NULL); | |
48 | if (IS_ENABLED(CONFIG_RESET_CONTROLLER)) | |
49 | sun6i_reset_init(); | |
50 | clocksource_of_init(); | |
51 | } | |
52 | ||
53 | DT_MACHINE_START(SUN6I_DT, "Allwinner sun6i (A31) Family") | |
54 | .init_time = sun6i_timer_init, | |
55 | .dt_compat = sun6i_board_dt_compat, | |
56 | .init_late = sunxi_dt_cpufreq_init, | |
57 | MACHINE_END | |
58 | ||
59 | static const char * const sun7i_board_dt_compat[] = { | |
60 | "allwinner,sun7i-a20", | |
61 | NULL, | |
62 | }; | |
63 | ||
64 | DT_MACHINE_START(SUN7I_DT, "Allwinner sun7i (A20) Family") | |
65 | .dt_compat = sun7i_board_dt_compat, | |
66 | .init_late = sunxi_dt_cpufreq_init, | |
67 | MACHINE_END | |
68 | ||
69 | static const char * const sun8i_board_dt_compat[] = { | |
70 | "allwinner,sun8i-a23", | |
71 | "allwinner,sun8i-a33", | |
72 | "allwinner,sun8i-h3", | |
73 | NULL, | |
74 | }; | |
75 | ||
76 | DT_MACHINE_START(SUN8I_DT, "Allwinner sun8i Family") | |
77 | .init_time = sun6i_timer_init, | |
78 | .dt_compat = sun8i_board_dt_compat, | |
79 | .init_late = sunxi_dt_cpufreq_init, | |
80 | MACHINE_END | |
81 | ||
82 | static const char * const sun9i_board_dt_compat[] = { | |
83 | "allwinner,sun9i-a80", | |
84 | NULL, | |
85 | }; | |
86 | ||
87 | DT_MACHINE_START(SUN9I_DT, "Allwinner sun9i Family") | |
88 | .dt_compat = sun9i_board_dt_compat, | |
89 | MACHINE_END |