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-rw-r--r--src/mainboard/google/guybrush/variants/baseboard/devicetree.cb5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/mainboard/google/guybrush/variants/baseboard/devicetree.cb b/src/mainboard/google/guybrush/variants/baseboard/devicetree.cb
index c778914b6a..2c0c5d97c4 100644
--- a/src/mainboard/google/guybrush/variants/baseboard/devicetree.cb
+++ b/src/mainboard/google/guybrush/variants/baseboard/devicetree.cb
@@ -51,6 +51,11 @@ chip soc/amd/cezanne
register "i2c_scl_reset" = "GPIO_I2C0_SCL | GPIO_I2C1_SCL |
GPIO_I2C2_SCL | GPIO_I2C3_SCL"
+ # I2C Pad Control RX Select Configuration
+ register "i2c_pad_ctrl_rx_sel[0]" = "I2C_PAD_CTRL_RX_SEL_3_3V" # Trackpad
+ register "i2c_pad_ctrl_rx_sel[1]" = "I2C_PAD_CTRL_RX_SEL_3_3V" # Touchscreen
+ register "i2c_pad_ctrl_rx_sel[2]" = "I2C_PAD_CTRL_RX_SEL_3_3V" # Audio/SAR
+ register "i2c_pad_ctrl_rx_sel[3]" = "I2C_PAD_CTRL_RX_SEL_1_8V" # GSC
register "pspp_policy" = "DXIO_PSPP_POWERSAVE"