From b58ceaca340e3baba8f87172109c36a600610570 Mon Sep 17 00:00:00 2001 From: Jongpil Jung Date: Thu, 18 Jan 2018 14:56:29 +0900 Subject: 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 Reviewed-on: https://chromium-review.googlesource.com/872810 Commit-Ready: Jongpil Jung Tested-by: Jongpil Jung Reviewed-by: Shawn N --- board/nautilus/board.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) (limited to 'board/nautilus/board.c') 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); } -- cgit v1.2.1