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| author | Scott <scollyer@chromium.org> | 2015-07-30 15:10:11 -0700 |
|---|---|---|
| committer | ChromeOS Commit Bot <chromeos-commit-bot@chromium.org> | 2015-08-21 08:10:03 +0000 |
| commit | d862dd05982198a2f5d450820a02172e0ba6396b (patch) | |
| tree | c9c96e5ea91537a3aae99370952eb2a13156a1af /include/usb_pd_tcpc.h | |
| parent | 646760bb20fde94683d3be2fa4b046d47933d85f (diff) | |
| download | chrome-ec-d862dd05982198a2f5d450820a02172e0ba6396b.tar.gz | |
pd: Enable detection of VBUS via the TCPM/TCPCI interface
Modified TCPC layer to utilize the Power_Status and Power_Status_Mask
registers. VBUS status is stored in Power_Status and when a change
is detected, it's communicated to the TCPM via the ALERT# line.
BUG=chrome-os-partner:43440
BRANCH=none
TEST=Tested the feature on Glados and Oak connecting to both Ziger
and Samus. Verfied that VBUS status is communicated via the TCPCI and
that PD contracts are established without using the VBUS_WAKE GPIO
lines on Glados and Oak.
Change-Id: Ie5aa32eecc887f3cb00880a285f1e710b7064384
Signed-off-by: Scott Collyer <scollyer@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/289931
Reviewed-by: Rong Chang <rongchang@chromium.org>
Reviewed-by: Alec Berg <alecaberg@chromium.org>
Commit-Queue: Rong Chang <rongchang@chromium.org>
Tested-by: Rong Chang <rongchang@chromium.org>
Diffstat (limited to 'include/usb_pd_tcpc.h')
| -rw-r--r-- | include/usb_pd_tcpc.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/usb_pd_tcpc.h b/include/usb_pd_tcpc.h index 64d68f1f3a..a640714c4f 100644 --- a/include/usb_pd_tcpc.h +++ b/include/usb_pd_tcpc.h @@ -35,4 +35,12 @@ void tcpc_i2c_process(int read, int port, int len, uint8_t *payload, void (*send_response)(int)); +/** + * Handle VBUS wake interrupts + * + * @param signal The VBUS wake interrupt signal + */ +void pd_vbus_evt_p0(enum gpio_signal signal); +void pd_vbus_evt_p1(enum gpio_signal signal); + #endif /* __CROS_EC_USB_PD_TCPC_H */ |