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         NULL,
  26 };
  27
  28 DT_MACHINE_START(SUNXI_DT, "Allwinner sun4i/sun5i Families")
  29         .dt_compat      = sunxi_board_dt_compat,
  30 MACHINE_END
  31
  32 static const char * const sun6i_board_dt_compat[] = {
  33         "allwinner,sun6i-a31",
  34         "allwinner,sun6i-a31s",
  35         NULL,
  36 };
  37
  38 extern void __init sun6i_reset_init(void);
  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         clocksource_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-a83t",
  65         "allwinner,sun8i-h3",
  66         NULL,
  67 };
  68
  69 DT_MACHINE_START(SUN8I_DT, "Allwinner sun8i Family")
  70         .init_time      = sun6i_timer_init,
  71         .dt_compat      = sun8i_board_dt_compat,
  72 MACHINE_END
  73
  74 static const char * const sun9i_board_dt_compat[] = {
  75         "allwinner,sun9i-a80",
  76         NULL,
  77 };
  78
  79 DT_MACHINE_START(SUN9I_DT, "Allwinner sun9i Family")
  80         .dt_compat      = sun9i_board_dt_compat,
  81 MACHINE_END