This file contains APIs for manipulating the AM43xx USB phy. AM43xx has GS70 USB phy which is a USB 2.0 capable phy.
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This file contains APIs for manipulating the AM43xx USB phy. AM43xx has GS70 USB phy which is a USB 2.0 capable phy.
- Copyright
- Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com/
| void USBAm43Gs70PhyEnableWakeUp |
( |
uint32_t |
instNum | ) |
|
This API enables PHy based wake up for USB module. When enabled PHy clock is kept on during Power down and this feature can be used for System bring up.
- Parameters
-
| instNum | instance number of the controller instance whose phy wake feature needs to be enabled. |
| uint32_t USBAm43Gs70PhyGetWakeUpStatus |
( |
uint32_t |
instNum | ) |
|
This function returns the wakeup status of the USB Phy.
- Parameters
-
| instNum | instance number of the controller instance whose phy wake feature needs to be probed. |
- Return values
-
| Value | 1or 0 1 if wakeup is enabled and 0 other wise. |
| void USBAm43Gs70PhyInvPolarity |
( |
uint32_t |
instNum | ) |
|
This API Inverts the DP/DM polarity coopared with the normal polarity of the port.
- Parameters
-
| instNum | instance number of the controller instance whose Phy polarity needs to be inverted. |
| void USBAm43Gs70PhyOn |
( |
uint32_t |
instNum | ) |
|
This API turns on the AM43xx USB GS70 phy. VBUS detect, and session comparators are turned on.
- Parameters
-
| instNum | instance number of the controller instance whose Phy is to be turned on. |