summaryrefslogtreecommitdiff
path: root/arch/arm/mach-tegra/board-whistler-power.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-tegra/board-whistler-power.c')
-rw-r--r--arch/arm/mach-tegra/board-whistler-power.c25
1 files changed, 22 insertions, 3 deletions
diff --git a/arch/arm/mach-tegra/board-whistler-power.c b/arch/arm/mach-tegra/board-whistler-power.c
index 425a5e6d8828..bbfd4f529ad7 100644
--- a/arch/arm/mach-tegra/board-whistler-power.c
+++ b/arch/arm/mach-tegra/board-whistler-power.c
@@ -207,10 +207,27 @@ static struct platform_device *whistler_max8907c_power_devices[] = {
&max8907c_LDO20_device,
};
+static int whistler_max8907c_setup(void)
+{
+ int ret;
+
+ /*
+ * Configure PWREN, and attach CPU V1 rail to it.
+ * TODO: h/w events (power cycle, reset, battery low) auto-disables PWREN.
+ * Only soft reset (not supported) requires s/w to disable PWREN explicitly
+ */
+ ret = max8907c_pwr_en_config();
+ if (ret != 0)
+ return ret;
+
+ return max8907c_pwr_en_attach();
+}
+
static struct max8907c_platform_data max8907c_pdata = {
.num_subdevs = ARRAY_SIZE(whistler_max8907c_power_devices),
.subdevs = whistler_max8907c_power_devices,
.irq_base = TEGRA_NR_IRQS,
+ .max8907c_setup = whistler_max8907c_setup,
};
static struct i2c_board_info __initdata whistler_regulators[] = {
@@ -225,9 +242,9 @@ static struct tegra_suspend_platform_data whistler_suspend_data = {
.cpu_timer = 2000,
.cpu_off_timer = 1000,
.suspend_mode = TEGRA_SUSPEND_LP0,
- .core_timer = 0x7e7e,
- .core_off_timer = 0xf,
- .separate_req = true,
+ .core_timer = 0x7e,
+ .core_off_timer = 0xc00,
+ .separate_req = false,
.corereq_high = true,
.sysclkreq_high = true,
.wake_enb = TEGRA_WAKE_KBC_EVENT,
@@ -255,6 +272,8 @@ int __init whistler_regulator_init(void)
i2c_register_board_info(4, whistler_regulators, 1);
+ tegra_deep_sleep = max8907c_deep_sleep;
+
tegra_init_suspend(&whistler_suspend_data);
return 0;