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