arch/arm/mach-sunxi/sunxi.c

   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 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 extern void __init sun6i_reset_init(void);
  40 static void __init sun6i_timer_init(void)
  41 {
  42         of_clk_init(NULL);
  43         if (IS_ENABLED(CONFIG_RESET_CONTROLLER))
  44                 sun6i_reset_init();
  45         clocksource_probe();
  46 }
  47
  48 DT_MACHINE_START(SUN6I_DT, "Allwinner sun6i (A31) Family")
  49         .init_time      = sun6i_timer_init,
  50         .dt_compat      = sun6i_board_dt_compat,
  51 MACHINE_END
  52
  53 static const char * const sun7i_board_dt_compat[] = {
  54         "allwinner,sun7i-a20",
  55         NULL,
  56 };
  57
  58 DT_MACHINE_START(SUN7I_DT, "Allwinner sun7i (A20) Family")
  59         .dt_compat      = sun7i_board_dt_compat,
  60 MACHINE_END
  61
  62 static const char * const sun8i_board_dt_compat[] = {
  63         "allwinner,sun8i-a23",
  64         "allwinner,sun8i-a33",
  65         "allwinner,sun8i-a83t",
  66         "allwinner,sun8i-h2-plus",
  67         "allwinner,sun8i-h3",
  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 const char * const sun9i_board_dt_compat[] = {
  78         "allwinner,sun9i-a80",
  79         NULL,
  80 };
  81
  82 DT_MACHINE_START(SUN9I_DT, "Allwinner sun9i Family")
  83         .dt_compat      = sun9i_board_dt_compat,
  84 MACHINE_END