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 | |
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')
-rw-r--r-- | board/nautilus/board.c | 12 | ||||
-rw-r--r-- | board/nautilus/gpio.inc | 4 |
2 files changed, 11 insertions, 5 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); } diff --git a/board/nautilus/gpio.inc b/board/nautilus/gpio.inc index 7832ab5ed4..12bae4f512 100644 --- a/board/nautilus/gpio.inc +++ b/board/nautilus/gpio.inc @@ -92,9 +92,11 @@ GPIO(USB_C0_TCPC_PWR, PIN(8, 4), GPIO_OUT_LOW) /* Enable C0 TCPC Power */ GPIO(USB2_OTG_ID, PIN(A, 1), GPIO_ODR_LOW) /* OTG ID */ GPIO(USB2_OTG_VBUSSENSE, PIN(9, 5), GPIO_OUT_LOW) /* OTG VBUS Sense */ +GPIO(USB_POWERON_L, PIN(3, 2), GPIO_OUT_HIGH) /* USBPWRON */ + /* USB Type-A control */ GPIO(USB_A_ILIM_SEL, PIN(0, 0), GPIO_OUT_LOW) -GPIO(USB1_ENABLE, PIN(0, 1), GPIO_OUT_LOW) +GPIO(USB1_ENABLE, PIN(0, 1), GPIO_OUT_LOW) /* LEDs (2 colors on each port) */ GPIO(LED_ACIN, PIN(B, 6), GPIO_OUT_LOW) /* ACIN LED */ |