SPRUI30H November 2015 – May 2024 DRA745 , DRA746 , DRA750 , DRA756
This section describes the USB3_PHY subsystem-related components (USB3_PHY module, DPLL_USB_OTG_SS, DPLLCTRL_USB_OTG_SS, and OCP2SPC1) integration in the device, including information about clocks, resets, and hardware requests.
Figure 26-10 shows the USB3_PHY integration.
The USB3_PHY module integration features:
The DPLL_USB_OTG_SS integration features:
The DPLLCTRL_USB_OTG_SS integration features:
Table 26-11 through Table 26-13 summarize the integration of the module in the device.
Module Instance | Attributes | |
Power Domain | Interconnect | |
USB3_PHY_TX | PD_L3INIT | OCP2SCP1 SCP interconnects |
USB3_PHY_RX | OCP2SCP1 SCP interconnects | |
USB3_PHY (wrapper) | CTRL_CORE_MODULE power control | |
DPLLCTRL_USB_OTG_SS | OCP2SCP1 adapter SCP interconnect | |
DPLL_USB_OTG_SS | PD_COREAON | |
OCP2SCP1 | L4_CFG |
Clocks | ||||
Module Instance | Destination Signal Name | Source Signal Name | Source | Description |
DPLL_USB_OTG_SS | CLKINP | USB_OTG_SS_REF_CLK(1) | PRCM | DPLL_USB_OTG_SS reference functional clock (SYS_CLK based) |
USB3_PHY | USB3PHY_PWRS_CLK | USB_OTG_SS_REF_CLK | PRCM | USB3_PHY wrapper power sequencer functional clock (SYS_CLK) |
USB3_PHY_TX | USB3PHY_LFPS_CLK | CORE_USB_OTG_SS_LFPS_TX_CLK | PRCM | Fixed frequency USB3TX functional clock used for LFPS pattern generation |
USB3_PHY_RX | USB3PHY_WKUP_CLK | COREAON_32K_GFCLK | PRCM | I/O wakeup and debounce 32-kHz functional clock at USB3_PHY_RX Receiver side |
OCP2SCP1 | L4CFG_ADAPTER_CLKIN | L3INIT_L4_GICLK | PRCM | L4_CFG adapter interface clock |
Resets | ||||
Module Instance | Destination Signal Name | Source Signal Name | Source | Description |
USB3_PHY subsystem | RESET_N | L3INIT_RST | PRCM | A nonretention reset to all USB3_PHY subsystem components |
The USB3_PHY_RX generates a hardware wakeup request to the PRCM module.