tmakin/ack-tegra
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

regulator: as3722: detect SD0 low-voltage mode

Browse Source 
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>
This commit is contained in:
Andrew Bresticker
2013-12-26 13:48:46 -08:00
committed by Mark Brown
parent bc2571f4ba
commit 762a8ee808
2 changed files with 30 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files
include/linux/mfd/as3722.h
+4
View File
@@ -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,