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| author | Keith Short <keithshort@chromium.org> | 2020-11-11 12:53:51 -0700 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2020-11-12 22:35:37 +0000 |
| commit | 669500c514d7a262e7f52a29a8badfaddca4dc75 (patch) | |
| tree | 81aad2894fd56fc9058d9ac47fb2ccefc8a082e7 | |
| parent | 53a852f51049643f480f6d394543e4604b973479 (diff) | |
| download | chrome-ec-669500c514d7a262e7f52a29a8badfaddca4dc75.tar.gz | |
boldar: 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: I0d0b003297994cb7a6fc877278ec20d9858a52e4
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2533489
Reviewed-by: Sooraj Govindan <sooraj.govindan@intel.com>
Reviewed-by: Abe Levkoy <alevkoy@chromium.org>
Commit-Queue: Abe Levkoy <alevkoy@chromium.org>
| -rw-r--r-- | board/boldar/board.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/board/boldar/board.h b/board/boldar/board.h index af4ea3e918..99324296b4 100644 --- a/board/boldar/board.h +++ b/board/boldar/board.h @@ -87,6 +87,12 @@ #define CONFIG_USB_PD_USB4 #define USBC_PORT_C0_BB_RETIMER_I2C_ADDR 0x37 #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 */ #define USB_PORT_COUNT 1 |