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 NULL, 30 }; 31 32 DT_MACHINE_START(SUNXI_DT, "Allwinner A1X (Device Tree)") 33 .dt_compat = sunxi_board_dt_compat, 34 .init_late = sunxi_dt_cpufreq_init, 35 MACHINE_END 36 37 static const char * const sun6i_board_dt_compat[] = { 38 "allwinner,sun6i-a31", 39 "allwinner,sun6i-a31s", 40 NULL, 41 }; 42 43 extern void __init sun6i_reset_init(void); 44 static void __init sun6i_timer_init(void) 45 { 46 of_clk_init(NULL); 47 if (IS_ENABLED(CONFIG_RESET_CONTROLLER)) 48 sun6i_reset_init(); 49 clocksource_of_init(); 50 } 51 52 DT_MACHINE_START(SUN6I_DT, "Allwinner sun6i (A31) Family") 53 .init_time = sun6i_timer_init, 54 .dt_compat = sun6i_board_dt_compat, 55 .init_late = sunxi_dt_cpufreq_init, 56 MACHINE_END 57 58 static const char * const sun7i_board_dt_compat[] = { 59 "allwinner,sun7i-a20", 60 NULL, 61 }; 62 63 DT_MACHINE_START(SUN7I_DT, "Allwinner sun7i (A20) Family") 64 .dt_compat = sun7i_board_dt_compat, 65 .init_late = sunxi_dt_cpufreq_init, 66 MACHINE_END 67 68 static const char * const sun8i_board_dt_compat[] = { 69 "allwinner,sun8i-a23", 70 NULL, 71 }; 72 73 DT_MACHINE_START(SUN8I_DT, "Allwinner sun8i (A23) Family") 74 .dt_compat = sun8i_board_dt_compat, 75 .init_late = sunxi_dt_cpufreq_init, 76 MACHINE_END 77 78 static const char * const sun9i_board_dt_compat[] = { 79 "allwinner,sun9i-a80", 80 NULL, 81 }; 82 83 DT_MACHINE_START(SUN9I_DT, "Allwinner sun9i Family") 84 .dt_compat = sun9i_board_dt_compat, 85 MACHINE_END 86