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author | Keith Short <keithshort@chromium.org> | 2020-11-11 13:00:34 -0700 |
---|---|---|
committer | Commit Bot <commit-bot@chromium.org> | 2020-11-12 22:36:10 +0000 |
commit | 0e31b208513e9a674602bc67e902dae205874ef8 (patch) | |
tree | ff83e56420ad3867413c3775e06422f040ecf5ec | |
parent | 57bc4dfcb886bc79cbcc8d285ad85c49a807ac8f (diff) | |
download | chrome-ec-0e31b208513e9a674602bc67e902dae205874ef8.tar.gz |
todor: Enabling sourcing of 4.5A on type-C ports
To support USB4, source a total of 4.5A on the type-C ports. This
ensures that if the first device requests 3A (15W), the chromebook
continues to source 3A even after a second device is connected.
BUG=none
BRANCH=firmware-volteer-13521.B-master
TEST=make buildall
Signed-off-by: Keith Short <keithshort@chromium.org>
Change-Id: I9504cfbd5f48573638a784784019a4f808c17041
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2533515
Reviewed-by: Abe Levkoy <alevkoy@chromium.org>
-rw-r--r-- | board/todor/board.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/board/todor/board.h b/board/todor/board.h index d73130cd07..2dd671fc6e 100644 --- a/board/todor/board.h +++ b/board/todor/board.h @@ -76,6 +76,12 @@ #define CONFIG_USB_PD_USB4 #define USBC_PORT_C0_BB_RETIMER_I2C_ADDR 0x40 #define USBC_PORT_C1_BB_RETIMER_I2C_ADDR 0x40 +/* + * For USB4, set the total budget for source current to 4.5A so that the first + * connected port is allowed to source 3A while sourcing 1.5A on other type-C + * ports. + */ +#define CONFIG_USB_PD_MAX_TOTAL_SOURCE_CURRENT 4500 /* USB Type A Features */ |