diff options
Diffstat (limited to 'src/mainboard')
| -rw-r--r-- | src/mainboard/google/poppy/variants/nami/devicetree.cb | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/src/mainboard/google/poppy/variants/nami/devicetree.cb b/src/mainboard/google/poppy/variants/nami/devicetree.cb index f23a7fbbac..5e2575ff5a 100644 --- a/src/mainboard/google/poppy/variants/nami/devicetree.cb +++ b/src/mainboard/google/poppy/variants/nami/devicetree.cb @@ -197,15 +197,52 @@ chip soc/intel/skylake # Touchscreen register "i2c_voltage[0]" = "I2C_VOLTAGE_3V3" + register "i2c[0]" = "{ + .speed = I2C_SPEED_FAST, + .speed_config[0] = { + .speed = I2C_SPEED_FAST, + .scl_lcnt = 185, + .scl_hcnt = 90, + .sda_hold = 36, + }, + }" # Trackpad register "i2c_voltage[1]" = "I2C_VOLTAGE_3V3" + register "i2c[1]" = "{ + .early_init = 1, + .speed = I2C_SPEED_FAST, + .speed_config[0] = { + .speed = I2C_SPEED_FAST, + .scl_lcnt = 185, + .scl_hcnt = 90, + .sda_hold = 36, + }, + }" # Pen register "i2c_voltage[2]" = "I2C_VOLTAGE_1V8" + register "i2c[2]" = "{ + .speed = I2C_SPEED_FAST, + .speed_config[0] = { + .speed = I2C_SPEED_FAST, + .scl_lcnt = 185, + .scl_hcnt = 100, + .sda_hold = 36, + }, + }" # Audio register "i2c_voltage[3]" = "I2C_VOLTAGE_1V8" + register "i2c[3]" = "{ + .speed = I2C_SPEED_FAST, + .speed_config[0] = { + .speed = I2C_SPEED_FAST, + .scl_lcnt = 195, + .scl_hcnt = 90, + .sda_hold = 36, + }, + }" # Use GSPI0 for cr50 TPM. Early init is required to set up a BAR for TPM # communication before memory is up. |