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