diff options
Diffstat (limited to 'driver/tcpm/stm32gx.c')
| -rw-r--r-- | driver/tcpm/stm32gx.c | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/driver/tcpm/stm32gx.c b/driver/tcpm/stm32gx.c index 61bffacd53..654bf73652 100644 --- a/driver/tcpm/stm32gx.c +++ b/driver/tcpm/stm32gx.c @@ -20,8 +20,13 @@ #include "usb_pd_tcpm.h" #include "hooks.h" -#if defined(CONFIG_USB_PD_VBUS_DETECT_TCPC) || \ - defined(CONFIG_USB_PD_TCPC_LOW_POWER) +/* + * STM32G4 UCPD peripheral does not have the ability to detect VBUS, but + * CONFIG_USB_PD_VBUS_DETECT_TCPC maybe still be defined for another port on the + * same board which uses a TCPC that does have this feature. Therefore, this + * config option is not considered an error. + */ +#if defined(CONFIG_USB_PD_TCPC_LOW_POWER) #error "Unsupported config options of Stm32gx PD driver" #endif @@ -147,10 +152,23 @@ enum ec_error_list stm32gx_tcpm_set_bist_test_mode(const int port, return stm32gx_ucpd_set_bist_test_mode(port, enable); } +bool stm32gx_tcpm_check_vbus_level(int port, enum vbus_level level) +{ + /* + * UCPD peripheral can't detect VBUS, so always return 0. Any port which + * uses the stm32g4 UCPD peripheral for its TCPC would also have a PPC + * that will handle VBUS detection. However, there may be products which + * don't have a PPC on some ports that will rely on a TCPC to do VBUS + * detection. + */ + return 0; +} + const struct tcpm_drv stm32gx_tcpm_drv = { .init = &stm32gx_tcpm_init, .release = &stm32gx_tcpm_release, .get_cc = &stm32gx_tcpm_get_cc, + .check_vbus_level = &stm32gx_tcpm_check_vbus_level, .select_rp_value = &stm32gx_tcpm_select_rp_value, .set_cc = &stm32gx_tcpm_set_cc, .set_polarity = &stm32gx_tcpm_set_polarity, |