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-rw-r--r--src/mainboard/google/nyan/mainboard.c6
-rw-r--r--src/mainboard/google/nyan_big/mainboard.c6
-rw-r--r--src/mainboard/google/nyan_blaze/mainboard.c6
3 files changed, 12 insertions, 6 deletions
diff --git a/src/mainboard/google/nyan/mainboard.c b/src/mainboard/google/nyan/mainboard.c
index a54f95d22f..682fdc4db4 100644
--- a/src/mainboard/google/nyan/mainboard.c
+++ b/src/mainboard/google/nyan/mainboard.c
@@ -81,10 +81,12 @@ static void setup_pinmux(void)
PINMUX_GEN1_I2C_SDA_FUNC_I2C1 | PINMUX_INPUT_ENABLE);
// I2C2 clock.
pinmux_set_config(PINMUX_GEN2_I2C_SCL_INDEX,
- PINMUX_GEN2_I2C_SCL_FUNC_I2C2 | PINMUX_INPUT_ENABLE);
+ PINMUX_GEN2_I2C_SCL_FUNC_I2C2 | PINMUX_INPUT_ENABLE |
+ PINMUX_OPEN_DRAIN);
// I2C2 data.
pinmux_set_config(PINMUX_GEN2_I2C_SDA_INDEX,
- PINMUX_GEN2_I2C_SDA_FUNC_I2C2 | PINMUX_INPUT_ENABLE);
+ PINMUX_GEN2_I2C_SDA_FUNC_I2C2 | PINMUX_INPUT_ENABLE |
+ PINMUX_OPEN_DRAIN);
// I2C4 (DDC) clock.
pinmux_set_config(PINMUX_DDC_SCL_INDEX,
PINMUX_DDC_SCL_FUNC_I2C4 | PINMUX_INPUT_ENABLE);
diff --git a/src/mainboard/google/nyan_big/mainboard.c b/src/mainboard/google/nyan_big/mainboard.c
index 4a55e1e3a2..ff147e2c15 100644
--- a/src/mainboard/google/nyan_big/mainboard.c
+++ b/src/mainboard/google/nyan_big/mainboard.c
@@ -81,10 +81,12 @@ static void setup_pinmux(void)
PINMUX_GEN1_I2C_SDA_FUNC_I2C1 | PINMUX_INPUT_ENABLE);
// I2C2 clock.
pinmux_set_config(PINMUX_GEN2_I2C_SCL_INDEX,
- PINMUX_GEN2_I2C_SCL_FUNC_I2C2 | PINMUX_INPUT_ENABLE);
+ PINMUX_GEN2_I2C_SCL_FUNC_I2C2 | PINMUX_INPUT_ENABLE |
+ PINMUX_OPEN_DRAIN);
// I2C2 data.
pinmux_set_config(PINMUX_GEN2_I2C_SDA_INDEX,
- PINMUX_GEN2_I2C_SDA_FUNC_I2C2 | PINMUX_INPUT_ENABLE);
+ PINMUX_GEN2_I2C_SDA_FUNC_I2C2 | PINMUX_INPUT_ENABLE |
+ PINMUX_OPEN_DRAIN);
// I2C4 (DDC) clock.
pinmux_set_config(PINMUX_DDC_SCL_INDEX,
PINMUX_DDC_SCL_FUNC_I2C4 | PINMUX_INPUT_ENABLE);
diff --git a/src/mainboard/google/nyan_blaze/mainboard.c b/src/mainboard/google/nyan_blaze/mainboard.c
index 0c5078ffd1..8d4f553cef 100644
--- a/src/mainboard/google/nyan_blaze/mainboard.c
+++ b/src/mainboard/google/nyan_blaze/mainboard.c
@@ -81,10 +81,12 @@ static void setup_pinmux(void)
PINMUX_GEN1_I2C_SDA_FUNC_I2C1 | PINMUX_INPUT_ENABLE);
// I2C2 clock.
pinmux_set_config(PINMUX_GEN2_I2C_SCL_INDEX,
- PINMUX_GEN2_I2C_SCL_FUNC_I2C2 | PINMUX_INPUT_ENABLE);
+ PINMUX_GEN2_I2C_SCL_FUNC_I2C2 | PINMUX_INPUT_ENABLE |
+ PINMUX_OPEN_DRAIN);
// I2C2 data.
pinmux_set_config(PINMUX_GEN2_I2C_SDA_INDEX,
- PINMUX_GEN2_I2C_SDA_FUNC_I2C2 | PINMUX_INPUT_ENABLE);
+ PINMUX_GEN2_I2C_SDA_FUNC_I2C2 | PINMUX_INPUT_ENABLE |
+ PINMUX_OPEN_DRAIN);
// I2C4 (DDC) clock.
pinmux_set_config(PINMUX_DDC_SCL_INDEX,
PINMUX_DDC_SCL_FUNC_I2C4 | PINMUX_INPUT_ENABLE);