diff options
| author | Andrew Bresticker <abrestic@chromium.org> | 2013-12-26 13:48:46 -0800 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2014-01-06 18:09:36 +0000 |
| commit | 762a8ee808972354ce4bca988309aa7fb63ed5ae (patch) | |
| tree | 19fed2a02e18080a06aef61eae22131e3c494f1f /include/linux/mfd/as3722.h | |
| parent | bc2571f4ba375101c9d0b7d46d8c241822652433 (diff) | |
| download | blackbird-obmc-linux-762a8ee808972354ce4bca988309aa7fb63ed5ae.tar.gz blackbird-obmc-linux-762a8ee808972354ce4bca988309aa7fb63ed5ae.zip | |
regulator: as3722: detect SD0 low-voltage mode
SD0 may operate in low-voltage mode, with a minimum of 0.41V
and a maximum of 1.5V. This is indicated by bit 4 of FUSE7.
Signed-off-by: Andrew Bresticker <abrestic@chromium.org>
Signed-off-by: Vince Hsu <vinceh@nvidia.com>
broonie.e6264@m.evernote.com
Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'include/linux/mfd/as3722.h')
| -rw-r--r-- | include/linux/mfd/as3722.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/mfd/as3722.h b/include/linux/mfd/as3722.h index 16bf8a0dcd97..bb9616dc0efa 100644 --- a/include/linux/mfd/as3722.h +++ b/include/linux/mfd/as3722.h @@ -151,6 +151,7 @@ #define AS3722_ASIC_ID1_REG 0x90 #define AS3722_ASIC_ID2_REG 0x91 #define AS3722_LOCK_REG 0x9E +#define AS3722_FUSE7_REG 0xA7 #define AS3722_MAX_REGISTER 0xF4 #define AS3722_SD0_EXT_ENABLE_MASK 0x03 @@ -224,6 +225,7 @@ #define AS3722_SD_VSEL_MASK 0x7F #define AS3722_SD0_VSEL_MIN 0x01 #define AS3722_SD0_VSEL_MAX 0x5A +#define AS3722_SD0_VSEL_LOW_VOL_MAX 0x6E #define AS3722_SD2_VSEL_MIN 0x01 #define AS3722_SD2_VSEL_MAX 0x7F @@ -341,6 +343,8 @@ #define AS3722_EXT_CONTROL_ENABLE2 0x2 #define AS3722_EXT_CONTROL_ENABLE3 0x3 +#define AS3722_FUSE7_SD0_LOW_VOLTAGE BIT(4) + /* Interrupt IDs */ enum as3722_irq { AS3722_IRQ_LID, |
