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| author | Devin Lu <Devin.Lu@quantatw.com> | 2021-04-23 12:22:10 +0800 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2021-04-27 02:23:07 +0000 |
| commit | a019f80fe9042331d897a23bd5476ecfde92478f (patch) | |
| tree | 86b150f52f661369183fe3b5d7f5effa2550b4b8 /board/elemi/board.h | |
| parent | 0225995a23cb491950d2ea948c2b60dd222879fd (diff) | |
| download | chrome-ec-a019f80fe9042331d897a23bd5476ecfde92478f.tar.gz | |
elemi: Tune Vconn_Swap delay
The Vconn source should ready before PS_RDY.
BUG=b:186079130
BRANCH=firmware-volteer-13672.B-main
TEST=PDtrace to make sure the timing of Vconn_Swap.
Signed-off-by: Devin Lu <Devin.Lu@quantatw.com>
Change-Id: I3c60ea73219497c661b6fec5add77c73a7f116b8
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2847714
Reviewed-by: Abe Levkoy <alevkoy@chromium.org>
Diffstat (limited to 'board/elemi/board.h')
| -rw-r--r-- | board/elemi/board.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/board/elemi/board.h b/board/elemi/board.h index e43999b75a..cca3f1eaa0 100644 --- a/board/elemi/board.h +++ b/board/elemi/board.h @@ -42,6 +42,9 @@ /* TODO: b/144165680 - measure and check these values on Volteer */ #define PD_POWER_SUPPLY_TURN_ON_DELAY 30000 /* us */ #define PD_POWER_SUPPLY_TURN_OFF_DELAY 30000 /* us */ +/* Experimentally determined. See b/186079130. */ +#undef CONFIG_USBC_VCONN_SWAP_DELAY_US +#define CONFIG_USBC_VCONN_SWAP_DELAY_US 10000 /* us */ /* * SN5S30 PPC supports up to 24V VBUS source and sink, however passive USB-C |