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[ARM] tegra: ventana: add suspend support to ventana

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add support for system suspend to ventana; currently LP1 (DRAM in
self-refresh, CPU power-gated, core power active) is used.

Change-Id: Idb223a7da94c3b87ea61e0eef1de77206c4171e4
Signed-off-by: Gary King <gking@nvidia.com>
This commit is contained in:
Gary King
2010-08-03 17:48:42 -07:00
committed by Colin Cross
parent 53ab084b41
commit 23d7d05c8c
1 changed files with 20 additions and 0 deletions
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20
arch/arm/mach-tegra/board-ventana-power.c
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@@ -19,6 +19,9 @@
#include <linux/regulator/machine.h>
#include <linux/mfd/tps6586x.h>
#include <linux/gpio.h>
#include "power.h"
#include "wakeups-t2.h"
#include "board.h"
static struct regulator_consumer_supply tps658621_sm0_supply[] = {
REGULATOR_SUPPLY("vdd_core", NULL),
@@ -131,8 +134,25 @@ static struct i2c_board_info __initdata ventana_regulators[] = {
},
};
static struct tegra_suspend_platform_data ventana_suspend_data = {
.cpu_timer = 2000,
.cpu_off_timer = 0,
.dram_suspend = true,
.core_off = false,
.core_timer = 0x7e7e,
.core_off_timer = 0,
.separate_req = true,
.corereq_high = false,
.sysclkreq_high = true,
.wake_enb = TEGRA_WAKE_GPIO_PV2,
.wake_high = 0,
.wake_low = TEGRA_WAKE_GPIO_PV2,
.wake_any = 0,
};
int __init ventana_regulator_init(void)
{
i2c_register_board_info(4, ventana_regulators, 1);
tegra_init_suspend(&ventana_suspend_data);
return 0;
}