1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * Device Tree support for Allwinner A1X SoCs
4 *
5 * Copyright (C) 2012 Maxime Ripard
6 *
7 * Maxime Ripard <maxime.ripard@free-electrons.com>
8 *
9 */
10
11 #include <linux/clocksource.h>
12 #include <linux/init.h>
13 #include <linux/of_clk.h>
14 #include <linux/platform_device.h>
15 #include <linux/reset/sunxi.h>
16
17 #include <asm/mach/arch.h>
18 #include <asm/secure_cntvoff.h>
19
20 static const char * const sunxi_board_dt_compat[] = {
21 "allwinner,sun4i-a10",
22 "allwinner,sun5i-a10s",
23 "allwinner,sun5i-a13",
24 "allwinner,sun5i-r8",
25 "nextthing,gr8",
26 NULL,
27 };
28
29 DT_MACHINE_START(SUNXI_DT, "Allwinner sun4i/sun5i Families")
30 .dt_compat = sunxi_board_dt_compat,
31 MACHINE_END
32
33 static const char * const sun6i_board_dt_compat[] = {
34 "allwinner,sun6i-a31",
35 "allwinner,sun6i-a31s",
36 NULL,
37 };
38
39 static void __init sun6i_timer_init(void)
40 {
41 of_clk_init(NULL);
42 if (IS_ENABLED(CONFIG_RESET_CONTROLLER))
43 sun6i_reset_init();
44 timer_probe();
45 }
46
47 DT_MACHINE_START(SUN6I_DT, "Allwinner sun6i (A31) Family")
48 .init_time = sun6i_timer_init,
49 .dt_compat = sun6i_board_dt_compat,
50 MACHINE_END
51
52 static const char * const sun7i_board_dt_compat[] = {
53 "allwinner,sun7i-a20",
54 NULL,
55 };
56
57 DT_MACHINE_START(SUN7I_DT, "Allwinner sun7i (A20) Family")
58 .dt_compat = sun7i_board_dt_compat,
59 MACHINE_END
60
61 static const char * const sun8i_board_dt_compat[] = {
62 "allwinner,sun8i-a23",
63 "allwinner,sun8i-a33",
64 "allwinner,sun8i-h2-plus",
65 "allwinner,sun8i-h3",
66 "allwinner,sun8i-r40",
67 "allwinner,sun8i-v3",
68 "allwinner,sun8i-v3s",
69 NULL,
70 };
71
72 DT_MACHINE_START(SUN8I_DT, "Allwinner sun8i Family")
73 .init_time = sun6i_timer_init,
74 .dt_compat = sun8i_board_dt_compat,
75 MACHINE_END
76
77 static void __init sun8i_a83t_cntvoff_init(void)
78 {
79 #ifdef CONFIG_SMP
80 secure_cntvoff_init();
81 #endif
82 }
83
84 static const char * const sun8i_a83t_cntvoff_board_dt_compat[] = {
85 "allwinner,sun8i-a83t",
86 NULL,
87 };
88
89 DT_MACHINE_START(SUN8I_A83T_CNTVOFF_DT, "Allwinner A83t board")
90 .init_early = sun8i_a83t_cntvoff_init,
91 .init_time = sun6i_timer_init,
92 .dt_compat = sun8i_a83t_cntvoff_board_dt_compat,
93 MACHINE_END
94
95 static const char * const sun9i_board_dt_compat[] = {
96 "allwinner,sun9i-a80",
97 NULL,
98 };
99
100 DT_MACHINE_START(SUN9I_DT, "Allwinner sun9i Family")
101 .dt_compat = sun9i_board_dt_compat,
102 MACHINE_END
103
104 static const char * const suniv_board_dt_compat[] = {
105 "allwinner,suniv-f1c100s",
106 NULL,
107 };
108
109 DT_MACHINE_START(SUNIV_DT, "Allwinner suniv Family")
110 .dt_compat = suniv_board_dt_compat,
111 MACHINE_END
112
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