diff options
| author | Duncan Laurie <dlaurie@google.com> | 2017-07-19 23:26:00 -0700 |
|---|---|---|
| committer | chrome-bot <chrome-bot@chromium.org> | 2017-07-23 03:16:55 -0700 |
| commit | 192be4327fac83f10b754ef69f25fdcdf574cec5 (patch) | |
| tree | fbb79b3e5d40f39f4a18096516d74d3104b26182 /board/eve/board.c | |
| parent | 51d0fbb56c499b392eea8d61564d8b50c4924f9b (diff) | |
| download | chrome-ec-192be4327fac83f10b754ef69f25fdcdf574cec5.tar.gz | |
eve: Enable active discharge on V3.3A and V1.8A
Enable 100ohm discharge on the V3.3A and V1.8A rails.
BUG=b:35581264
TEST=verify power down sequence on scope
Change-Id: Ibdfff5a60bddd9da0d950dae619346d7a3dccd8b
Signed-off-by: Duncan Laurie <dlaurie@google.com>
Reviewed-on: https://chromium-review.googlesource.com/578756
Reviewed-on: https://chromium-review.googlesource.com/579903
Reviewed-by: Furquan Shaikh <furquan@chromium.org>
Diffstat (limited to 'board/eve/board.c')
| -rw-r--r-- | board/eve/board.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/board/eve/board.c b/board/eve/board.c index 86b034e0b8..efe8918bfd 100644 --- a/board/eve/board.c +++ b/board/eve/board.c @@ -350,6 +350,9 @@ static void board_pmic_init(void) if (system_jumped_to_this_image()) return; + /* DISCHGCNT2 - enable 100 ohm discharge on V3.3A and V1.8A */ + i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992, 0x3d, 0x05); + /* DISCHGCNT3 - enable 100 ohm discharge on V1.00A */ i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992, 0x3e, 0x04); |