diff options
Diffstat (limited to 'board/quiche/board.c')
| -rw-r--r-- | board/quiche/board.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/board/quiche/board.c b/board/quiche/board.c index e49b2e1b1a..76004ee37e 100644 --- a/board/quiche/board.c +++ b/board/quiche/board.c @@ -345,6 +345,30 @@ int dock_get_mf_preference(void) return mf; } +static void board_usb_tc_connect(void) +{ + int port = TASK_ID_TO_PD_PORT(task_get_current()); + + /* + * The EC needs to indicate to the MST hub when the host port is + * attached. GPIO_UFP_PLUG_DET is used for this purpose. + */ + if (port == USB_PD_PORT_HOST) + gpio_set_level(GPIO_UFP_PLUG_DET, 0); +} +DECLARE_HOOK(HOOK_USB_PD_CONNECT, board_usb_tc_connect, HOOK_PRIO_DEFAULT); + +static void board_usb_tc_disconnect(void) +{ + int port = TASK_ID_TO_PD_PORT(task_get_current()); + + /* Only the host port disconnect is relevant */ + if (port == USB_PD_PORT_HOST) + gpio_set_level(GPIO_UFP_PLUG_DET, 1); +} +DECLARE_HOOK(HOOK_USB_PD_DISCONNECT, board_usb_tc_disconnect, \ + HOOK_PRIO_DEFAULT); + #endif /* SECTION_IS_RW */ static void board_init(void) |