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/clocksource.h> 14 #include <linux/init.h> 15 #include <linux/of_clk.h> 16 #include <linux/platform_device.h> 17 #include <linux/reset/sunxi.h> 18 19 #include <asm/mach/arch.h> 20 #include <asm/secure_cntvoff.h> 21 22 static const char * const sunxi_board_dt_compat[] = { 23 "allwinner,sun4i-a10", 24 "allwinner,sun5i-a10s", 25 "allwinner,sun5i-a13", 26 "allwinner,sun5i-r8", 27 "nextthing,gr8", 28 NULL, 29 }; 30 31 DT_MACHINE_START(SUNXI_DT, "Allwinner sun4i/sun5i Families") 32 .dt_compat = sunxi_board_dt_compat, 33 MACHINE_END 34 35 static const char * const sun6i_board_dt_compat[] = { 36 "allwinner,sun6i-a31", 37 "allwinner,sun6i-a31s", 38 NULL, 39 }; 40 41 static void __init sun6i_timer_init(void) 42 { 43 of_clk_init(NULL); 44 if (IS_ENABLED(CONFIG_RESET_CONTROLLER)) 45 sun6i_reset_init(); 46 timer_probe(); 47 } 48 49 DT_MACHINE_START(SUN6I_DT, "Allwinner sun6i (A31) Family") 50 .init_time = sun6i_timer_init, 51 .dt_compat = sun6i_board_dt_compat, 52 MACHINE_END 53 54 static const char * const sun7i_board_dt_compat[] = { 55 "allwinner,sun7i-a20", 56 NULL, 57 }; 58 59 DT_MACHINE_START(SUN7I_DT, "Allwinner sun7i (A20) Family") 60 .dt_compat = sun7i_board_dt_compat, 61 MACHINE_END 62 63 static const char * const sun8i_board_dt_compat[] = { 64 "allwinner,sun8i-a23", 65 "allwinner,sun8i-a33", 66 "allwinner,sun8i-h2-plus", 67 "allwinner,sun8i-h3", 68 "allwinner,sun8i-r40", 69 "allwinner,sun8i-v3s", 70 NULL, 71 }; 72 73 DT_MACHINE_START(SUN8I_DT, "Allwinner sun8i Family") 74 .init_time = sun6i_timer_init, 75 .dt_compat = sun8i_board_dt_compat, 76 MACHINE_END 77 78 static void __init sun8i_a83t_cntvoff_init(void) 79 { 80 #ifdef CONFIG_SMP 81 secure_cntvoff_init(); 82 #endif 83 } 84 85 static const char * const sun8i_a83t_cntvoff_board_dt_compat[] = { 86 "allwinner,sun8i-a83t", 87 NULL, 88 }; 89 90 DT_MACHINE_START(SUN8I_A83T_CNTVOFF_DT, "Allwinner A83t board") 91 .init_early = sun8i_a83t_cntvoff_init, 92 .init_time = sun6i_timer_init, 93 .dt_compat = sun8i_a83t_cntvoff_board_dt_compat, 94 MACHINE_END 95 96 static const char * const sun9i_board_dt_compat[] = { 97 "allwinner,sun9i-a80", 98 NULL, 99 }; 100 101 DT_MACHINE_START(SUN9I_DT, "Allwinner sun9i Family") 102 .dt_compat = sun9i_board_dt_compat, 103 MACHINE_END 104 105 static const char * const suniv_board_dt_compat[] = { 106 "allwinner,suniv-f1c100s", 107 NULL, 108 }; 109 110 DT_MACHINE_START(SUNIV_DT, "Allwinner suniv Family") 111 .dt_compat = suniv_board_dt_compat, 112 MACHINE_END 113