From 4fdcefc9f6901f03130e2addf8714d3549730e09 Mon Sep 17 00:00:00 2001 From: Raul E Rangel Date: Wed, 16 Mar 2022 11:30:19 -0600 Subject: mb/google/skyrim: Fix I2C voltages Needed so i2c communication works. BUG=b:224618411 TEST=build skyrim Signed-off-by: Raul E Rangel Change-Id: I8ec7c18cae509b5683cb73153fd6d3747cf9d753 Reviewed-on: https://review.coreboot.org/c/coreboot/+/62874 Reviewed-by: Jon Murphy Reviewed-by: Karthik Ramasubramanian Reviewed-by: Felix Held Tested-by: build bot (Jenkins) --- src/mainboard/google/skyrim/variants/baseboard/devicetree.cb | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'src') diff --git a/src/mainboard/google/skyrim/variants/baseboard/devicetree.cb b/src/mainboard/google/skyrim/variants/baseboard/devicetree.cb index 61bc93d8a8..7d4fb7f549 100644 --- a/src/mainboard/google/skyrim/variants/baseboard/devicetree.cb +++ b/src/mainboard/google/skyrim/variants/baseboard/devicetree.cb @@ -41,6 +41,12 @@ chip soc/amd/sabrina 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[0].rx_level" = "I2C_PAD_RX_1_8V" # Touchpad + register "i2c_pad[1].rx_level" = "I2C_PAD_RX_1_8V" # Touchscreen + register "i2c_pad[2].rx_level" = "I2C_PAD_RX_1_8V" # Audio/SAR + register "i2c_pad[3].rx_level" = "I2C_PAD_RX_1_8V" # GSC + device domain 0 on device ref lpc_bridge on chip ec/google/chromeec -- cgit v1.2.3