diff options
Diffstat (limited to 'src/soc/intel/alderlake/chip.h')
| -rw-r--r-- | src/soc/intel/alderlake/chip.h | 17 |
1 files changed, 7 insertions, 10 deletions
diff --git a/src/soc/intel/alderlake/chip.h b/src/soc/intel/alderlake/chip.h index fb9dd73730..57b78688ee 100644 --- a/src/soc/intel/alderlake/chip.h +++ b/src/soc/intel/alderlake/chip.h @@ -212,17 +212,14 @@ struct soc_intel_alderlake_config { bool CnviBtAudioOffload; /* - * IOM Port Config - * If a port orientation needs to be controlled by the SOC this setting must be - * updated to reflect the correct GPIOs being used for the SOC port flipping. - * There are 4 ports each with a pair of GPIOs for Pull Up and Pull Down - * 0,1 are pull up and pull down for port 0 - * 2,3 are pull up and pull down for port 1 - * 4,5 are pull up and pull down for port 2 - * 6,7 are pull up and pull down for port 3 - * values to be programmed correspond to the GPIO family and offsets + * These GPIOs will be programmed by the IOM to handle biasing of the + * Type-C aux (SBU) signals when certain alternate modes are used. + * `pad_auxn_dc` should be assigned to the GPIO pad providing negative + * bias (name usually contains `AUXN_DC` or `AUX_N`); similarly, + * `pad_auxp_dc` should be assigned to the GPIO providing positive bias + * (name often contains `AUXP_DC` or `_AUX_P`). */ - uint32_t IomTypeCPortPadCfg[8]; + struct typec_aux_bias_pads typec_aux_bias_pads[MAX_TYPE_C_PORTS]; /* * SOC Aux orientation override: |