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

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>

diff --git a/arch/arm/mach-tegra/board-ventana-power.c b/arch/arm/mach-tegra/board-ventana-power.c
index 5cbd63f48b9653e826bbf07d74d5f4bb040ecaf4..1ecaace26813cc99e3437e938010a07faa3bf793 100644 (file)
--- a/arch/arm/mach-tegra/board-ventana-power.c
+++ b/arch/arm/mach-tegra/board-ventana-power.c
@@ -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;
 }