diff options
Diffstat (limited to 'src/mainboard/google')
| -rw-r--r-- | src/mainboard/google/eve/devicetree.cb | 28 |
1 files changed, 24 insertions, 4 deletions
diff --git a/src/mainboard/google/eve/devicetree.cb b/src/mainboard/google/eve/devicetree.cb index e5ac17f738..0de7a263f7 100644 --- a/src/mainboard/google/eve/devicetree.cb +++ b/src/mainboard/google/eve/devicetree.cb @@ -162,12 +162,16 @@ chip soc/intel/skylake register "usb3_ports[2]" = "USB3_PORT_EMPTY" # Empty register "usb3_ports[3]" = "USB3_PORT_EMPTY" # Empty - register "i2c_voltage[0]" = "I2C_VOLTAGE_3V3" # Touchscreen - register "i2c_voltage[1]" = "I2C_VOLTAGE_3V3" # TPM - register "i2c_voltage[2]" = "I2C_VOLTAGE_1V8" # Touchpad - register "i2c_voltage[4]" = "I2C_VOLTAGE_1V8" # Audio + # Touchscreen + register "i2c_voltage[0]" = "I2C_VOLTAGE_3V3" + register "i2c[0]" = "{ + .speed = I2C_SPEED_FAST_PLUS, + .rise_time_ns = 17, + .fall_time_ns = 38, + }" # Enable I2C1 bus early for TPM access + register "i2c_voltage[1]" = "I2C_VOLTAGE_3V3" register "i2c[1]" = "{ .early_init = 1, .speed = I2C_SPEED_FAST, @@ -175,6 +179,22 @@ chip soc/intel/skylake .fall_time_ns = 32, }" + # Touchpad + register "i2c_voltage[2]" = "I2C_VOLTAGE_1V8" + register "i2c[2]" = "{ + .speed = I2C_SPEED_FAST, + .rise_time_ns = 247, + .fall_time_ns = 17, + }" + + # Audio + register "i2c_voltage[4]" = "I2C_VOLTAGE_1V8" + register "i2c[4]" = "{ + .speed = I2C_SPEED_FAST, + .rise_time_ns = 240, + .fall_time_ns = 30, + }" + # Must leave UART0 enabled or SD/eMMC will not work as PCI register "SerialIoDevMode" = "{ [PchSerialIoIndexI2C0] = PchSerialIoPci, |