| Submitter | Kumar Gala |
|---|---|
| Date | March 7, 2011, 4:17 a.m. |
| Message ID | <1299471449-26715-1-git-send-email-galak@kernel.crashing.org> |
| Download | mbox | patch |
| Permalink | /patch/85665/ |
| State | Accepted |
| Delegated to: | Kumar Gala |
| Headers | show |
Comments
On Mar 6, 2011, at 10:17 PM, Kumar Gala wrote: > From: Ramneek Mehresh <ramneek.mehresh@freescale.com> > > Specify hwconfig usage for USB mode and phy change > > Signed-off-by: Ramneek Mehresh <ramneek.mehresh@freescale.com> > Signed-off-by: Kumar Gala <galak@kernel.crashing.org> > --- > doc/README.fsl-hwconfig | 26 ++++++++++++++++++++++++++ > 1 files changed, 26 insertions(+), 0 deletions(-) applied to 85xx - k
Patch
diff --git a/doc/README.fsl-hwconfig b/doc/README.fsl-hwconfig index 03fea74..6889a70 100644 --- a/doc/README.fsl-hwconfig +++ b/doc/README.fsl-hwconfig @@ -19,3 +19,29 @@ audclk 'audclk:12' Select the 12.288MHz clock + +usb + Specific to boards have USB controller + + This option specifies the following for a USB controller: + + - which controller mode to use + - which USB PHY to use + + This is used by generic USB device-tree fixup function to update + modified values of phy type and controller mode. + + Also used for configuring multiple USB controllers such that + 'usbN' (where N is 1, 2, etc. refers to controller no.) + + 'phy_type' + Select USB phy type: 'utmi' OR 'ulpi' + + 'dr_mode' + Select USB controller mode: 'host', 'peripheral' OR 'otg' + + Examples: + usb1:dr_mode=host;usb2:dr_mode=peripheral' + + usb1:dr_mode=host,phy_type=utmi;usb2:dr_mode=host' +