diff options
| author | Rabin Vincent <rabin.vincent@stericsson.com> | 2012-01-03 14:30:31 +0530 |
|---|---|---|
| committer | Philippe Langlais <philippe.langlais@stericsson.com> | 2012-05-22 10:59:26 +0200 |
| commit | ba5d9986a256cee0d3061f21ac428e29b3251c20 (patch) | |
| tree | 743ea2855b5c7fbf6ab468676dd8b8005d0a01c9 /arch | |
| parent | a5bcb75c00cdb6a7cd8dcf1b74e1a2bea46f479d (diff) | |
u5500: keep LDO_H always on
The software specification says: "The sub camera is put in
standby by setting GPIO_002 (CAM_SUB_PWDN) high and leaving
the power supplies on, shutting only one power supply off
will result in a leakage current of 1.1mA, Leaving both
supplies on results in a leakage current of 15uA".
Both supplies here are LDO_H and VIO, and since VIO is always
on, keep LDO_H always on too, setting it to low power mode
instead of disabling it.
ST-Ericsson ID: 407971
ST-Ericsson Linux next: NA
ST-Ericsson FOSS-OUT ID: Trivial
Change-Id: I7ce2c30b761e04a26270718e2c92f4a609a07995
Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com>
Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/44142
Reviewed-by: QATOOLS
Reviewed-by: Vijaya Kumar K-1 <vijay.kilari@stericsson.com>
Reviewed-by: QABUILD
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-ux500/board-u5500-regulators.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/arm/mach-ux500/board-u5500-regulators.c b/arch/arm/mach-ux500/board-u5500-regulators.c index 11f61b6cd19..9e343259e53 100644 --- a/arch/arm/mach-ux500/board-u5500-regulators.c +++ b/arch/arm/mach-ux500/board-u5500-regulators.c @@ -150,8 +150,20 @@ ab5500_regulator_init_data[AB5500_NUM_REGULATORS] = { }, }; +static struct ab5500_regulator_data +ab5500_regulator_data[AB5500_NUM_REGULATORS] = { + [AB5500_LDO_H] = { + /* + * The sub camera on the dev boards needs both supplies to be + * on to avoid high leakage. + */ + .off_is_lowpower = true, + }, +}; + struct ab5500_regulator_platform_data u5500_ab5500_regulator_data = { .regulator = ab5500_regulator_init_data, + .data = ab5500_regulator_data, .num_regulator = ARRAY_SIZE(ab5500_regulator_init_data), }; |