diff options
Diffstat (limited to 'driver/tcpm/it8xxx2.c')
| -rw-r--r-- | driver/tcpm/it8xxx2.c | 26 |
1 files changed, 21 insertions, 5 deletions
diff --git a/driver/tcpm/it8xxx2.c b/driver/tcpm/it8xxx2.c index a8d98becd4..6b7466ae07 100644 --- a/driver/tcpm/it8xxx2.c +++ b/driver/tcpm/it8xxx2.c @@ -14,6 +14,7 @@ #include "task.h" #include "timer.h" #include "util.h" +#include "usb_common.h" #include "usb_pd.h" #include "usb_pd_tcpm.h" #include "hooks.h" @@ -759,6 +760,22 @@ static void it8xxx2_init(enum usbpd_port port, int role) (CONFIG_PD_RETRY_COUNT << 6); /* Disable Rx decode */ it8xxx2_tcpm_set_rx_enable(port, 0); + if (IS_ENABLED(CONFIG_USB_PD_TCPMV1)) { + uint8_t flags = 0; + /* + * If explicit contract is set in bbram when EC boot up, then + * TCPMv1 set soft reset as first state instead of + * unattached.SNK, so we need to enable BMC PHY for tx module. + * + * NOTE: If the platform is without battery and connects to + * adapter, then cold reset EC, our Rd is always asserted on cc, + * so adapter keeps providing 5v and data in BBRAM are still + * alive. + */ + if ((pd_get_saved_port_flags(port, &flags) == EC_SUCCESS) && + (flags & PD_BBRMFLG_EXPLICIT_CONTRACT)) + USBPD_ENABLE_BMC_PHY(port); + } /* Disable all interrupts */ IT83XX_USBPD_IMR(port) = 0xff; /* W/C status */ @@ -819,7 +836,7 @@ static void it8xxx2_set_pd_sleep_mask(int port) bool prevent_deep_sleep = false; /* - * Set SLEEP_MASK_USB_PD for deep sleep mode in TCPMv2: + * Set SLEEP_MASK_USB_PD for deep sleep mode: * 1.Enable deep sleep mode, when all ITE ports are in Unattach.SRC/SNK * state (HOOK_DISCONNECT called) and other ports aren't pd_capable(). * 2.Disable deep sleep mode, when one of ITE port is in Attach.SRC/SNK @@ -849,11 +866,11 @@ static void it8xxx2_set_pd_sleep_mask(int port) enable_sleep(SLEEP_MASK_USB_PD); } -#ifdef CONFIG_USB_PD_TCPMV2 static void it8xxx2_tcpm_hook_connect(void) { int port = TASK_ID_TO_PD_PORT(task_get_current()); +#ifdef CONFIG_USB_PD_TCPMV2 /* * There are five cases that hook_connect() be called by TCPMv2: * 1)AttachWait.SNK -> Attached.SNK: disable detect interrupt. @@ -869,17 +886,16 @@ static void it8xxx2_tcpm_hook_connect(void) * SRC_DISCONNECT and SNK_DISCONNECT in TCPMv1. Every time we go to * Try.SRC/TryWait.SNK state, the plug in interrupt will be enabled and * fire for 3), 4), 5) cases, then set correctly for the SRC detect plug - * out or the SNK disable detect, so TCPMv1 needn't hook connection. + * out or the SNK disable detect, so TCPMv1 needn't this. */ it8xxx2_tcpm_switch_plug_out_type(port); - +#endif /* Enable PD PHY Tx and Rx module since type-c has connected. */ USBPD_ENABLE_BMC_PHY(port); it8xxx2_set_pd_sleep_mask(port); } DECLARE_HOOK(HOOK_USB_PD_CONNECT, it8xxx2_tcpm_hook_connect, HOOK_PRIO_DEFAULT); -#endif static void it8xxx2_tcpm_hook_disconnect(void) { |