hi,
On Fri, 2015-07-10 at 07:10 +0200, Sascha Hauer wrote:
> On Wed, Jul 08, 2015 at 05:41:03PM +0800, Chunfeng Yun wrote:
> > add a DT binding documentation of usb3.0 phy for MT65xx
> > SoCs from Mediatek.
> >
> > Signed-off-by: Chunfeng Yun <chunfeng.yun@xxxxxxxxxxxx>
> > ---
> > .../devicetree/bindings/usb/mt65xx-u3phy.txt | 34 ++++++++++++++++++++++
> > 1 file changed, 34 insertions(+)
> > create mode 100644 Documentation/devicetree/bindings/usb/mt65xx-u3phy.txt
> >
> > diff --git a/Documentation/devicetree/bindings/usb/mt65xx-u3phy.txt b/Documentation/devicetree/bindings/usb/mt65xx-u3phy.txt
> > new file mode 100644
> > index 0000000..056b2aa
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/usb/mt65xx-u3phy.txt
> > @@ -0,0 +1,34 @@
> > +MT65xx U3PHY
> > +
> > +The device node for Mediatek SOC usb3.0 phy
> > +
> > +Required properties:
> > + - compatible : Should be "mediatek,mt8173-u3phy"
> > + - reg : Offset and length of registers, the first is for mac domain,
> > + another for phy domain
> > + - power-domains: to enable usb's mtcmos
> > + - usb-wakeup-ctrl : to access usb wakeup control register
> > + - wakeup-src : 1: ip sleep wakeup mode; 2: line state wakeup mode; others
> > + means don't enable wakeup source of usb
> > + - u2port-num : number of usb2.0 ports to support which should be 1 or 2
> > + - clocks : must support all clocks that phy need
> > + - clock-names: should be "wakeup_deb_p0", "wakeup_deb_p1" for wakeup
> > + debounce control clocks, and "u3phya_ref" for u3phya reference clock.
> > +
> > +Example:
> > +
> > +u3phy: usb-phy@11271000 {
> > + compatible = "mediatek,mt8173-u3phy";
> > + reg = <0 0x11271000 0 0x3000>,
> > + <0 0x11280000 0 0x20000>;
>
> 0x11271000 is the register space the xhci controller takes. You should
> not expose the same register space to two different drivers.
>
usb: usb30@11270000 {
compatible = "mediatek,mt8173-xhci";
reg = <0 0x11270000 0 0x1000>;
the size of xhci register space is 0x1000, and the range is
[0x11270000, 0x11271000 - 1], so the address of 0x11271000 is not
included.
> Sascha
>
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