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| author | Ben Lok <ben.lok@mediatek.com> | 2015-11-24 20:29:34 +0800 |
|---|---|---|
| committer | chrome-bot <chrome-bot@chromium.org> | 2015-11-25 20:08:07 -0800 |
| commit | cefe19e08fa065c1bfb240aec82403f55da85116 (patch) | |
| tree | 296ea8e52c8323752d47cecc11b74266551b2d35 /board/oak | |
| parent | e24ac972e21d60a65d15e957605e8b78bd25e039 (diff) | |
| download | chrome-ec-cefe19e08fa065c1bfb240aec82403f55da85116.tar.gz | |
oak: add VCONN swap ability
refer to commit 776bedc3, enable VCONN swap option for oak.
BUG=chrome-os-partner:41838
BRANCH=none
TEST=test on oak. ask for vconn swap and make sure vconn swap
is successful.
Change-Id: I2afa68e073d088302c2c6ba2315a6c9f4551ef87
Signed-off-by: Ben Lok <ben.lok@mediatek.com>
Reviewed-on: https://chromium-review.googlesource.com/313913
Reviewed-by: Alec Berg <alecaberg@chromium.org>
Diffstat (limited to 'board/oak')
| -rw-r--r-- | board/oak/board.h | 4 | ||||
| -rw-r--r-- | board/oak/usb_pd_policy.c | 6 |
2 files changed, 10 insertions, 0 deletions
diff --git a/board/oak/board.h b/board/oak/board.h index 8e8f68d983..4e74091721 100644 --- a/board/oak/board.h +++ b/board/oak/board.h @@ -69,6 +69,7 @@ #define CONFIG_USBC_SS_MUX #define CONFIG_USBC_SS_MUX_DFP_ONLY #define CONFIG_USBC_VCONN +#define CONFIG_USBC_VCONN_SWAP #define CONFIG_USB_POWER_DELIVERY #define CONFIG_USB_PD_ALT_MODE #define CONFIG_USB_PD_ALT_MODE_DFP @@ -191,6 +192,9 @@ enum temp_sensor_id { #define PD_POWER_SUPPLY_TURN_ON_DELAY 30000 /* us */ #define PD_POWER_SUPPLY_TURN_OFF_DELAY 250000 /* us */ +/* delay to turn on/off vconn */ +#define PD_VCONN_SWAP_DELAY 5000 /* us */ + /* Define typical operating power and max power */ #define PD_OPERATING_POWER_MW 15000 #define PD_MAX_POWER_MW 60000 diff --git a/board/oak/usb_pd_policy.c b/board/oak/usb_pd_policy.c index 23f661d07b..33009e763e 100644 --- a/board/oak/usb_pd_policy.c +++ b/board/oak/usb_pd_policy.c @@ -118,6 +118,12 @@ int pd_check_data_swap(int port, int data_role) return (data_role == PD_ROLE_UFP) ? 1 : 0; } +int pd_check_vconn_swap(int port) +{ + /* in G3, do not allow vconn swap since 5V power source is off */ + return gpio_get_level(GPIO_5V_POWER_GOOD); +} + void pd_execute_data_swap(int port, int data_role) { } |