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
  17 #include <asm/mach/arch.h>
  18
  19 static const char * const sunxi_board_dt_compat[] = {
  20         "allwinner,sun4i-a10",
  21         "allwinner,sun5i-a10s",
  22         "allwinner,sun5i-a13",
  23         NULL,
  24 };
  25
  26 DT_MACHINE_START(SUNXI_DT, "Allwinner A1X (Device Tree)")
  27         .dt_compat      = sunxi_board_dt_compat,
  28 MACHINE_END
  29
  30 static const char * const sun6i_board_dt_compat[] = {
  31         "allwinner,sun6i-a31",
  32         NULL,
  33 };
  34
  35 extern void __init sun6i_reset_init(void);
  36 static void __init sun6i_timer_init(void)
  37 {
  38         of_clk_init(NULL);
  39         if (IS_ENABLED(CONFIG_RESET_CONTROLLER))
  40                 sun6i_reset_init();
  41         clocksource_of_init();
  42 }
  43
  44 DT_MACHINE_START(SUN6I_DT, "Allwinner sun6i (A31) Family")
  45         .init_time      = sun6i_timer_init,
  46         .dt_compat      = sun6i_board_dt_compat,
  47 MACHINE_END
  48
  49 static const char * const sun7i_board_dt_compat[] = {
  50         "allwinner,sun7i-a20",
  51         NULL,
  52 };
  53
  54 DT_MACHINE_START(SUN7I_DT, "Allwinner sun7i (A20) Family")
  55         .dt_compat      = sun7i_board_dt_compat,
  56 MACHINE_END
  57
  58 static const char * const sun8i_board_dt_compat[] = {
  59         "allwinner,sun8i-a23",
  60         NULL,
  61 };
  62
  63 DT_MACHINE_START(SUN8I_DT, "Allwinner sun8i (A23) Family")
  64         .dt_compat      = sun8i_board_dt_compat,
  65 MACHINE_END