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| author | Rong Chang <rongchang@chromium.org> | 2017-10-17 11:16:39 +0800 |
|---|---|---|
| committer | ChromeOS Commit Bot <chromeos-commit-bot@chromium.org> | 2017-10-20 07:53:57 +0000 |
| commit | ecfdf3a920e89c854383bc79b7b78b4e93365167 (patch) | |
| tree | 8be3ec47f6d23a4b633e76ef3f45083eca3602cd | |
| parent | 5a52614b8c87ab1de84c461b7bbd0b4a14dc7fdb (diff) | |
| download | chrome-ec-ecfdf3a920e89c854383bc79b7b78b4e93365167.tar.gz | |
hana: Add EC console USART internal pull-up
This change prevents the floating RX console pin from entering unwanted
commands.
BRANCH=oak
BUG=b:67033247
TEST=manual
load on hana and probe USART RX pin
Change-Id: I6dc05e03f82dcc71ea6f957f93c5fe7c6b65d2bf
Signed-off-by: Rong Chang <rongchang@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/729721
Reviewed-by: Nicolas Boichat <drinkcat@chromium.org>
| -rw-r--r-- | board/elm/gpio.inc | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/board/elm/gpio.inc b/board/elm/gpio.inc index e48290c4ab..246c97edcd 100644 --- a/board/elm/gpio.inc +++ b/board/elm/gpio.inc @@ -106,7 +106,7 @@ GPIO(SPI2_NSS_DB, PIN(F, 6), GPIO_OUT_HIGH) /* daughterboard */ /* sensor power control */ GPIO(SENSOR_PWR_EN_L, PIN(D, 11), GPIO_OUT_LOW) -ALTERNATE(PIN_MASK(A, 0x0600), 1, MODULE_UART, 0) /* USART1: PA9/PA10 */ +ALTERNATE(PIN_MASK(A, 0x0600), 1, MODULE_UART, GPIO_PULL_UP) /* USART1: PA9/PA10 */ ALTERNATE(PIN_MASK(B, 0x00c0), 1, MODULE_I2C, 0) /* I2C MASTER:PB6/7 */ ALTERNATE(PIN_MASK(B, 0x6000), 5, MODULE_I2C, 0) /* I2C MASTER:PB13/14 */ ALTERNATE(PIN_MASK(A, 0x00f0), 0, MODULE_SPI, 0) /* SPI SLAVE:PA4/5/6/7 */ |