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Merge pull request #3518 from espressif/fix/dcd_esp32p4_phy

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fix(dcd/dwc2): Do not modify FS PHY registers on HS PHY ESP32-P4
This commit is contained in:
Ha Thach
2026-03-02 22:20:44 +07:00
committed by GitHub
parent bf76bb88e0 4fa4d39883
commit a8a4db3721
1 changed files with 20 additions and 16 deletions
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36
src/portable/synopsys/dwc2/dcd_dwc2.c
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@ -527,34 +527,38 @@ void dcd_remote_wakeup(uint8_t rhport) {
}
void dcd_connect(uint8_t rhport) {
(void) rhport;
dwc2_regs_t* dwc2 = DWC2_REG(rhport);
#ifdef TUP_USBIP_DWC2_ESP32
usb_wrap_otg_conf_reg_t conf = USB_WRAP.otg_conf;
conf.pad_pull_override = 0;
conf.dp_pullup = 0;
conf.dp_pulldown = 0;
conf.dm_pullup = 0;
conf.dm_pulldown = 0;
USB_WRAP.otg_conf = conf;
// On ESP32-P4 HS PHY, do not write to USB_WRAP register which belongs to FS PHY
if (rhport == 0) {
usb_wrap_otg_conf_reg_t conf = USB_WRAP.otg_conf;
conf.pad_pull_override = 0;
conf.dp_pullup = 0;
conf.dp_pulldown = 0;
conf.dm_pullup = 0;
conf.dm_pulldown = 0;
USB_WRAP.otg_conf = conf;
}
#endif
dwc2->dctl &= ~DCTL_SDIS;
}
void dcd_disconnect(uint8_t rhport) {
(void) rhport;
dwc2_regs_t* dwc2 = DWC2_REG(rhport);
#ifdef TUP_USBIP_DWC2_ESP32
usb_wrap_otg_conf_reg_t conf = USB_WRAP.otg_conf;
conf.pad_pull_override = 1;
conf.dp_pullup = 0;
conf.dp_pulldown = 1;
conf.dm_pullup = 0;
conf.dm_pulldown = 1;
USB_WRAP.otg_conf = conf;
// On ESP32-P4 HS PHY, do not write to USB_WRAP register which belongs to FS PHY
if (rhport == 0) {
usb_wrap_otg_conf_reg_t conf = USB_WRAP.otg_conf;
conf.pad_pull_override = 1;
conf.dp_pullup = 0;
conf.dp_pulldown = 1;
conf.dm_pullup = 0;
conf.dm_pulldown = 1;
USB_WRAP.otg_conf = conf;
}
#endif
dwc2->dctl |= DCTL_SDIS;