Messages in this thread Patch in this message | | | Date | Thu, 5 Dec 2013 10:42:52 +0000 | From | Mark Rutland <> | Subject | Re: [PATCH v4 12/15] usb: phy: msm: Add support for secondary PHY control |
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On Mon, Nov 18, 2013 at 12:57:42PM +0000, Ivan T. Ivanov wrote: > > Hi Mark, > > On Fri, 2013-11-15 at 16:42 +0000, Mark Rutland wrote: > > On Tue, Nov 12, 2013 at 02:51:47PM +0000, Ivan T. Ivanov wrote: > > > From: "Ivan T. Ivanov" <iivanov@mm-sol.com> > > > > > > Allow support to use 2nd HSPHY with USB2 Core. > > > Some platforms may have configuration to allow USB controller > > > work with any of the two HSPHYs present. By default driver > > > configures USB core to use primary HSPHY. Add support to allow > > > user select 2nd HSPHY using DT parameter. > > > > > > Signed-off-by: Ivan T. Ivanov <iivanov@mm-sol.com> > > > Cc: Manu Gautam <mgautam@codeaurora.org> > > > Cc: devicetree@vger.kernel.org > > > --- > > > .../devicetree/bindings/usb/msm-hsusb.txt | 6 +++++ > > > drivers/usb/phy/phy-msm-usb.c | 24 ++++++++++++++++++-- > > > include/linux/usb/msm_hsusb.h | 1 + > > > include/linux/usb/msm_hsusb_hw.h | 1 + > > > 4 files changed, 30 insertions(+), 2 deletions(-) > > > > > > diff --git a/Documentation/devicetree/bindings/usb/msm-hsusb.txt b/Documentation/devicetree/bindings/usb/msm-hsusb.txt > > > index 3f21204..d105ba9 100644 > > > --- a/Documentation/devicetree/bindings/usb/msm-hsusb.txt > > > +++ b/Documentation/devicetree/bindings/usb/msm-hsusb.txt > > > @@ -72,6 +72,12 @@ Optional properties: > > > - qcom,phy-init-sequence: PHY configuration sequence. val, reg pairs > > > terminate with -1 > > > > > > +- qcom,phy-num: Select number of pyco-phy to use, can be one of > > > + 0 - PHY one, default > > > + 1 - Second PHY > > > + Some platforms may have configuration to allow USB > > > + controller work with any of the two HSPHYs present. > > > + > > > > Only one can be used at a time? > > Yes only one of them. Selected at driver init time.
Ok. For a given platform, is it likely that both are wired up and _possibly_ usable?
Thanks Mark.
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