diff options
| author | Jongpil Jung <jongpil19.jung@samsung.com> | 2018-01-18 14:56:29 +0900 |
|---|---|---|
| committer | chrome-bot <chrome-bot@chromium.org> | 2018-01-23 20:18:29 -0800 |
| commit | b58ceaca340e3baba8f87172109c36a600610570 (patch) | |
| tree | a1d476285b620a771e3eda0bf61862004a2ab8e8 /board/nautilus/board.c | |
| parent | 163ba57cc2507774655d3194aaf4b83fa970202a (diff) | |
| download | chrome-ec-b58ceaca340e3baba8f87172109c36a600610570.tar.gz | |
nautilus: set default level for USB_POWERON
To eanble USB power, USB_POWERON_L should be low.
Default is high. So, turn off USB.
Power On(Low) : chipset startup
Power Off(High) : chipset shutdown
BUG=b:72202322
BRANCH=master
TEST=emerge-nautilus chromeos-ec
flash ec and check if PIN stay low after power on.
Change-Id: I9ab617b72f10645fb2dce7005ddeeb023c67605d
Signed-off-by: Jongpil Jung <jongpil19.jung@samsung.com>
Reviewed-on: https://chromium-review.googlesource.com/872810
Commit-Ready: Jongpil Jung <jongpil19.jung@samsung.corp-partner.google.com>
Tested-by: Jongpil Jung <jongpil19.jung@samsung.corp-partner.google.com>
Reviewed-by: Shawn N <shawnn@chromium.org>
Diffstat (limited to 'board/nautilus/board.c')
| -rw-r--r-- | board/nautilus/board.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/board/nautilus/board.c b/board/nautilus/board.c index 73900d99f9..390f14ea06 100644 --- a/board/nautilus/board.c +++ b/board/nautilus/board.c @@ -746,8 +746,10 @@ DECLARE_HOOK(HOOK_CHIPSET_SUSPEND, board_chipset_suspend, HOOK_PRIO_DEFAULT); static void board_chipset_startup(void) { - /* Enable USB-A port. */ - gpio_set_level(GPIO_USB1_ENABLE, 1); + /* Power On USB-A port */ + gpio_set_level(GPIO_USB_POWERON_L, 0); + /* Enable USB-A port. */ + gpio_set_level(GPIO_USB1_ENABLE, 1); gpio_set_level(GPIO_ENABLE_TOUCHPAD, 1); } @@ -755,8 +757,10 @@ DECLARE_HOOK(HOOK_CHIPSET_STARTUP, board_chipset_startup, HOOK_PRIO_DEFAULT); static void board_chipset_shutdown(void) { - /* Disable USB-A port. */ - gpio_set_level(GPIO_USB1_ENABLE, 0); + /* Power Off USB-A port */ + gpio_set_level(GPIO_USB_POWERON_L, 1); + /* Disable USB-A port. */ + gpio_set_level(GPIO_USB1_ENABLE, 0); gpio_set_level(GPIO_ENABLE_TOUCHPAD, 0); } |