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[ARM] tegra: stingray: Configure CPCAP Switchers for low power

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CPCAP switchers 2, 3, and 4 need to be set to PSM mode in normal mode
and PFM mode in low power mode.  CPCAP switchers 2 and 4 should be set
to 0.95v in low power mode.  This will provide some current drain
savings.

Change-Id: Ie506305dd011dfc14fda5fd24562539149352bb9
Signed-off-by: Greg Meiste <w30289@motorola.com>
Signed-off-by: Nick Pelly <npelly@google.com>
This commit is contained in:
Greg Meiste
2010-08-16 11:13:27 -05:00
committed by Colin Cross
parent bb7951a29a
commit 9c31f973fd
1 changed files with 7 additions and 2 deletions
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9
arch/arm/mach-tegra/board-stingray-power.c
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@@ -267,6 +267,11 @@ static struct platform_device *cpcap_devices[] = {
struct cpcap_spi_init_data stingray_cpcap_spi_init[] = {
{CPCAP_REG_S1C1, 0x0000},
{CPCAP_REG_S1C2, 0x0000},
{CPCAP_REG_S2C1, 0x2730},
{CPCAP_REG_S2C2, 0x301C},
{CPCAP_REG_S3C, 0x0139},
{CPCAP_REG_S4C1, 0x2730},
{CPCAP_REG_S4C2, 0x301C},
{CPCAP_REG_S6C, 0x0000},
{CPCAP_REG_VRF1C, 0x0000},
{CPCAP_REG_VRF2C, 0x0000},
@@ -279,8 +284,8 @@ struct cpcap_spi_init_data stingray_cpcap_spi_init[] = {
};
unsigned short cpcap_regulator_mode_values[CPCAP_NUM_REGULATORS] = {
[CPCAP_SW2] = 0x0100,
[CPCAP_SW4] = 0x0100,
[CPCAP_SW2] = 0x0700,
[CPCAP_SW4] = 0x0700,
[CPCAP_SW5] = 0x0022,
[CPCAP_VCAM] = 0x0003,
[CPCAP_VCSI] = 0x0003,