diff options
| author | Harry Hong <hhong@nvidia.com> | 2011-09-01 20:22:11 +0900 |
|---|---|---|
| committer | Dan Willemsen <dwillemsen@nvidia.com> | 2011-11-30 21:48:49 -0800 |
| commit | aaa03cbf9ca43689e49d86ebcd6f3a51c4d757f4 (patch) | |
| tree | 080c4ab0a7e3775554abd7fb93f62c8132e4dab9 /drivers/regulator | |
| parent | 88d9501b29bfa2df6486fccf15c8dab8a33e72b9 (diff) | |
regulator: max77663: Active-discharge mode for SDx
Adding Active-discharge option for SDx rails.
bug 859415
Original-Change-Id: Ia4d3933b9dbf4a0ec646c586f99a7411d2a93371
Reviewed-on: http://git-master/r/50281
Tested-by: Harry Hong <hhong@nvidia.com>
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
Rebase-Id: Rac11236a7f0f305f0e821c5a8f911e5751bd2c82
Diffstat (limited to 'drivers/regulator')
| -rw-r--r-- | drivers/regulator/max77663-regulator.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/regulator/max77663-regulator.c b/drivers/regulator/max77663-regulator.c index c7d4e4f267f8..1d5715387ac6 100644 --- a/drivers/regulator/max77663-regulator.c +++ b/drivers/regulator/max77663-regulator.c @@ -86,6 +86,10 @@ #define SD_FPWM_MASK 0x04 #define SD_FPWM_SHIFT 2 +/* SD Failling slew rate Active-Discharge Mode */ +#define SD_FSRADE_MASK 0x01 +#define SD_FSRADE_SHIFT 0 + /* Voltage */ #define SDX_VOLT_MASK 0xFF #define SD1_VOLT_MASK 0x3F @@ -552,6 +556,16 @@ skip_init_apply: } } + if (pdata->flags & SD_FSRADE_DISABLE) { + ret = max77663_set_bits(parent, reg->cfg_reg, + SD_FSRADE_MASK, SD_FSRADE_MASK, 0); + if (ret < 0) { + dev_err(reg->dev, "preinit: " + "Failed to set falling slew-rate discharge mode\n"); + return ret; + } + } + if ((reg->id == MAX77663_REGULATOR_ID_SD0) && (pdata->flags & EN2_CTRL_SD0)) { val = POWER_MODE_DISABLE; |