linux/arch/arm/mach-at91/sama5.c
Alexandre Belloni 24a0f5c539 ARM: at91: pm: Add sama5d2 backup mode
The sama5d2 has a mode were it is possible to cut power to the SoC while
keeping the RAM in self refresh.
Resuming from that mode needs support in the firmware/bootloader.

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Wenyou Yang <wenyou.yang@atmel.com>
2017-05-15 11:55:17 +02:00

65 lines
1.3 KiB
C

/*
* Setup code for SAMA5
*
* Copyright (C) 2013 Atmel,
* 2013 Ludovic Desroches <ludovic.desroches@atmel.com>
*
* Licensed under GPLv2 or later.
*/
#include <linux/of.h>
#include <linux/of_platform.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/system_misc.h>
#include "generic.h"
static void __init sama5_dt_device_init(void)
{
of_platform_default_populate(NULL, NULL, NULL);
sama5_pm_init();
}
static const char *const sama5_dt_board_compat[] __initconst = {
"atmel,sama5",
NULL
};
DT_MACHINE_START(sama5_dt, "Atmel SAMA5")
/* Maintainer: Atmel */
.init_machine = sama5_dt_device_init,
.dt_compat = sama5_dt_board_compat,
MACHINE_END
static const char *const sama5_alt_dt_board_compat[] __initconst = {
"atmel,sama5d4",
NULL
};
DT_MACHINE_START(sama5_alt_dt, "Atmel SAMA5")
/* Maintainer: Atmel */
.init_machine = sama5_dt_device_init,
.dt_compat = sama5_alt_dt_board_compat,
.l2c_aux_mask = ~0UL,
MACHINE_END
static void __init sama5d2_init(void)
{
of_platform_default_populate(NULL, NULL, NULL);
sama5d2_pm_init();
}
static const char *const sama5d2_compat[] __initconst = {
"atmel,sama5d2",
NULL
};
DT_MACHINE_START(sama5d2, "Atmel SAMA5")
/* Maintainer: Atmel */
.init_machine = sama5d2_init,
.dt_compat = sama5d2_compat,
.l2c_aux_mask = ~0UL,
MACHINE_END