diff options
Diffstat (limited to 'baseboard/octopus/variant_usbc_standalone_tcpcs.c')
| -rw-r--r-- | baseboard/octopus/variant_usbc_standalone_tcpcs.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/baseboard/octopus/variant_usbc_standalone_tcpcs.c b/baseboard/octopus/variant_usbc_standalone_tcpcs.c index 2068231519..b4affc197c 100644 --- a/baseboard/octopus/variant_usbc_standalone_tcpcs.c +++ b/baseboard/octopus/variant_usbc_standalone_tcpcs.c @@ -124,7 +124,23 @@ uint16_t tcpc_get_alert_status(void) */ void board_reset_pd_mcu(void) { - /* C0: ANX7447 does not have a reset pin. */ + /* + * C0: Assert reset to TCPC0 (ANX7447) for required delay (1ms) only if + * we have a battery + * + * Note: The TEST_R pin is not hooked up to a GPIO on all boards, so + * verify the name exists before setting it. After the name is + * introduced for later board firmware, this pin will still be wired + * to USB2_OTG_ID on the proto boards, which should be set to open + * drain so it can't be driven high. + */ + if (gpio_is_implemented(GPIO_USB_C0_PD_RST) && + battery_is_present() == BP_YES) { + gpio_set_level(GPIO_USB_C0_PD_RST, 1); + msleep(ANX74XX_RESET_HOLD_MS); + gpio_set_level(GPIO_USB_C0_PD_RST, 0); + msleep(ANX74XX_RESET_FINISH_MS); + } /* * C1: Assert reset to TCPC1 (PS8751) for required delay (1ms) only if |