diff options
| author | Diana Z <dzigterman@chromium.org> | 2021-02-17 11:58:41 -0700 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2021-02-19 00:26:46 +0000 |
| commit | 7898f1c8c3954035d838b1b30621ab59c6944f12 (patch) | |
| tree | c666e288e420c9fd00fcb70512902eaa1d6fdbda /docs | |
| parent | 6eb0592556969bbdf240095e880811c97c89ee6e (diff) | |
| download | chrome-ec-7898f1c8c3954035d838b1b30621ab59c6944f12.tar.gz | |
Docs: Update source-out policy note
Now that the full source-out policy has been implemented in the TCPMv2
DPM, modify the previous note about implementation.
BRANCH=None
BUG=b:141690755
TEST=view in Chrome with Markdown Preview Plus
Signed-off-by: Diana Z <dzigterman@chromium.org>
Change-Id: Ic74c780841c42e1e1d88306d366a00bf0fadb3c7
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2701892
Reviewed-by: Keith Short <keithshort@chromium.org>
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/usb_power.md | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/docs/usb_power.md b/docs/usb_power.md index 41e9f46164..95177dc150 100644 --- a/docs/usb_power.md +++ b/docs/usb_power.md @@ -135,8 +135,9 @@ in-depth information can be found in the [USB Type-C Specification] \(section ### ChromeOS as Source - Policy for Type-C -**Note:** Behavior outlined in this .md file reflects future-planned behavior, -and is not present in the codebase currently. +**Note:** Behavior outlined here is only implemented in the TCPMv2 Device +Policy Manager (DPM) when a board defines a non-zero maximum number of 3A +ports supported through `CONFIG_USB_PD_3A_PORTS`. ChromeOS devices currently source power to external USB devices at 5V with a typical current of 1.5A for each Type-C port. In certain scenarios, a Type-C |