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Diffstat (limited to 'baseboard/intelrvp/adlrvp.c')
| -rw-r--r-- | baseboard/intelrvp/adlrvp.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/baseboard/intelrvp/adlrvp.c b/baseboard/intelrvp/adlrvp.c index 93e521e14a..4d97418d23 100644 --- a/baseboard/intelrvp/adlrvp.c +++ b/baseboard/intelrvp/adlrvp.c @@ -540,3 +540,20 @@ __override void board_pre_task_i2c_peripheral_init(void) /* Configure board specific retimer & mux */ configure_retimer_usbmux(); } + +/* + * ADL RVP has both ITE and FUSB based TCPC chips. By default, the PD + * state of a non-attached port remains in PD_DRP_TOGGLE_ON in active + * state. Also, FUSB TCPC chip does not support dual role auto toggle + * which contradicts the default set S0 state of PD_DRP_TOGGLE_ON, + * while ITE based TCPC can support dual role auto toggle. The + * default PD_DRP_TOGGLE_ON state in Active state doesnot allow TCPC + * ports to enter Low power mode. To fix the issue, added board + * specific code to disable the dual role toggle in S0. + * Note:For ITE based TCPC, low power mode entry does makes no + * difference, as it is controlled by ITE TCPC clk in deep sleepmode. + */ +__override enum pd_dual_role_states pd_get_drp_state_in_s0(void) +{ + return PD_DRP_TOGGLE_OFF; +} |