diff options
| -rw-r--r-- | board/daisy/board.c | 9 | ||||
| -rw-r--r-- | board/daisy/board.h | 4 |
2 files changed, 12 insertions, 1 deletions
diff --git a/board/daisy/board.c b/board/daisy/board.c index 7a2a0083f2..2d09a79a04 100644 --- a/board/daisy/board.c +++ b/board/daisy/board.c @@ -64,7 +64,14 @@ const struct gpio_info gpio_list[GPIO_COUNT] = { /* Other inputs */ {"AC_PWRBTN_L", GPIO_A, (1<<0), GPIO_INT_BOTH, NULL}, {"SPI1_NSS", GPIO_A, (1<<4), GPIO_PULL_UP, NULL}, - + /* + * I2C pins should be configured as inputs until I2C module is + * initialized. This will avoid driving the lines unintentionally. + */ + {"I2C1_SCL", GPIO_B, (1<<6), GPIO_INPUT, NULL}, + {"I2C1_SDA", GPIO_B, (1<<7), GPIO_INPUT, NULL}, + {"I2C2_SCL", GPIO_B, (1<<10), GPIO_INPUT, NULL}, + {"I2C2_SDA", GPIO_B, (1<<11), GPIO_INPUT, NULL}, /* Outputs */ {"AC_STATUS", GPIO_A, (1<<5), GPIO_OUT_HIGH, NULL}, {"SPI1_MISO", GPIO_A, (1<<6), GPIO_OUT_HIGH, NULL}, diff --git a/board/daisy/board.h b/board/daisy/board.h index 887df7e758..91d7ed473f 100644 --- a/board/daisy/board.h +++ b/board/daisy/board.h @@ -71,6 +71,10 @@ enum gpio_signal { /* Other inputs */ GPIO_AC_PWRBTN_L, GPIO_SPI1_NSS, + GPIO_I2C1_SCL, + GPIO_I2C1_SDA, + GPIO_I2C2_SCL, + GPIO_I2C2_SDA, /* Outputs */ GPIO_AC_STATUS, GPIO_SPI1_MISO, |