diff options
Diffstat (limited to 'src/mainboard/google/reef/variants/baseboard')
-rw-r--r-- | src/mainboard/google/reef/variants/baseboard/devicetree.cb | 73 |
1 files changed, 38 insertions, 35 deletions
diff --git a/src/mainboard/google/reef/variants/baseboard/devicetree.cb b/src/mainboard/google/reef/variants/baseboard/devicetree.cb index da47d42d32..da842ba6e6 100644 --- a/src/mainboard/google/reef/variants/baseboard/devicetree.cb +++ b/src/mainboard/google/reef/variants/baseboard/devicetree.cb @@ -76,41 +76,44 @@ chip soc/intel/apollolake register "gpe0_dw2" = "PMC_GPE_N_63_32" register "gpe0_dw3" = "PMC_GPE_SW_31_0" - # Enable I2C0 for audio codec at 400kHz - register "i2c[0]" = "{ - .speed = I2C_SPEED_FAST, - .rise_time_ns = 104, - .fall_time_ns = 52, - }" - - # Enable I2C2 bus early for TPM at 400kHz - register "i2c[2]" = "{ - .early_init = 1, - .speed = I2C_SPEED_FAST, - .rise_time_ns = 57, - .fall_time_ns = 28, - }" - - # touchscreen at 400kHz - register "i2c[3]" = "{ - .speed = I2C_SPEED_FAST, - .rise_time_ns = 76, - .fall_time_ns = 164, - }" - - # trackpad at 400kHz - register "i2c[4]" = "{ - .speed = I2C_SPEED_FAST, - .rise_time_ns = 114, - .fall_time_ns = 164, - .data_hold_time_ns = 350, - }" - - # digitizer at 400kHz - register "i2c[5]" = "{ - .speed = I2C_SPEED_FAST, - .rise_time_ns = 152, - .fall_time_ns = 30, + # Intel Common SoC Config + #+-------------------+---------------------------+ + #| Field | Value | + #+-------------------+---------------------------+ + #| I2C0 | Audio | + #| I2C2 | TPM | + #| I2C3 | Touchscreen | + #| I2C4 | Trackpad | + #| I2C5 | Digitizer | + #+-------------------+---------------------------+ + register "common_soc_config" = "{ + .i2c[0] = { + .speed = I2C_SPEED_FAST, + .rise_time_ns = 104, + .fall_time_ns = 52, + }, + .i2c[2] = { + .early_init = 1, + .speed = I2C_SPEED_FAST, + .rise_time_ns = 57, + .fall_time_ns = 28, + }, + .i2c[3] = { + .speed = I2C_SPEED_FAST, + .rise_time_ns = 76, + .fall_time_ns = 164, + }, + .i2c[4] = { + .speed = I2C_SPEED_FAST, + .rise_time_ns = 114, + .fall_time_ns = 164, + .data_hold_time_ns = 350, + }, + .i2c[5] = { + .speed = I2C_SPEED_FAST, + .rise_time_ns = 152, + .fall_time_ns = 30, + }, }" # Minimum SLP S3 assertion width 28ms. |