diff options
-rw-r--r-- | board/grunt/gpio.inc | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/board/grunt/gpio.inc b/board/grunt/gpio.inc index de75bbcbc1..76dfca8b3e 100644 --- a/board/grunt/gpio.inc +++ b/board/grunt/gpio.inc @@ -92,7 +92,8 @@ GPIO(SKU_ID1, PIN(F, 0), GPIO_INPUT) GPIO(SKU_ID2, PIN(4, 1), GPIO_INPUT) /* Alternate functions GPIO definitions */ -ALTERNATE(PIN_MASK(6, 0x30), 0, MODULE_UART, GPIO_PULL_UP) /* UART from EC to Servo */ +/* Cr50 requires no pull-ups on UART pins. */ +ALTERNATE(PIN_MASK(6, 0x30), 0, MODULE_UART, 0) /* UART from EC to Servo */ ALTERNATE(PIN_MASK(B, 0x30), 1, MODULE_I2C, 0) /* I2C0 */ ALTERNATE(PIN_MASK(9, 0x07), 1, MODULE_I2C, 0) /* I2C1 SCL / I2C2 */ ALTERNATE(PIN_MASK(8, 0x80), 1, MODULE_I2C, 0) /* I2C1 SDA */ |