diff options
| author | Thinh Nguyen <Thinh.Nguyen@synopsys.com> | 2021-01-19 17:36:28 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-02-06 14:21:21 +0100 |
| commit | 072cab8a0fe276282272e57138d83299e35455eb (patch) | |
| tree | f094738d4c5988134ca3ee74fa6c333c9d0adeb4 /drivers/usb/dwc3/core.h | |
| parent | 678481467d2e1460a49e626d8e9ba0c7e9742f53 (diff) | |
usb: dwc3: gadget: Implement setting of SSP rate
Implement gadget ops udc_set_ssp_rate(). This allows the gadget/core
driver to select SSP signaling rate and number of lanes to for DWC_usb32
controller.
Signed-off-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Link: https://lore.kernel.org/r/8998b65fddfa02cab57bfc6aa35e9f101b252068.1611106162.git.Thinh.Nguyen@synopsys.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/dwc3/core.h')
| -rw-r--r-- | drivers/usb/dwc3/core.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h index a482f4e954cb..61ac298f3e8e 100644 --- a/drivers/usb/dwc3/core.h +++ b/drivers/usb/dwc3/core.h @@ -386,6 +386,8 @@ #define DWC3_GUCTL3_SPLITDISABLE BIT(14) /* Device Configuration Register */ +#define DWC3_DCFG_NUMLANES(n) (((n) & 0x3) << 30) /* DWC_usb32 only */ + #define DWC3_DCFG_DEVADDR(addr) ((addr) << 3) #define DWC3_DCFG_DEVADDR_MASK DWC3_DCFG_DEVADDR(0x7f) @@ -966,6 +968,8 @@ struct dwc3_scratchpad_array { * @maximum_speed: maximum speed requested (mainly for testing purposes) * @max_ssp_rate: SuperSpeed Plus maximum signaling rate and lane count * @gadget_max_speed: maximum gadget speed requested + * @gadget_ssp_rate: Gadget driver's maximum supported SuperSpeed Plus signaling + * rate and lane count. * @ip: controller's ID * @revision: controller's version of an IP * @version_type: VERSIONTYPE register contents, a sub release of a revision @@ -1130,6 +1134,7 @@ struct dwc3 { u32 maximum_speed; u32 gadget_max_speed; enum usb_ssp_rate max_ssp_rate; + enum usb_ssp_rate gadget_ssp_rate; u32 ip; |