| | 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_probe(); |
| | 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 |
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