diff options
author | Keith Short <keithshort@chromium.org> | 2020-11-11 13:02:49 -0700 |
---|---|---|
committer | Commit Bot <commit-bot@chromium.org> | 2020-11-12 22:36:21 +0000 |
commit | 6149037b9d0cf9f803b43e72f6cfdbe231fa3be1 (patch) | |
tree | 33a0db25a0829e60ca422ff74233c34fecde22d6 /board | |
parent | 0656fe8e9f89e50fbbe76348b9b2326fb65101e8 (diff) | |
download | chrome-ec-6149037b9d0cf9f803b43e72f6cfdbe231fa3be1.tar.gz |
voxel: 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: I5e3e81defa3ef62cd0735481e6efbc0b41f4261e
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2533518
Reviewed-by: Abe Levkoy <alevkoy@chromium.org>
Diffstat (limited to 'board')
-rw-r--r-- | board/voxel/board.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/board/voxel/board.h b/board/voxel/board.h index 798207cf29..feb39136f3 100644 --- a/board/voxel/board.h +++ b/board/voxel/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 0x41 +/* + * 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 */ #define USB_PORT_COUNT 1 |