linux-kernel - Re: [PATCH v6 2/5] dt-bindings: Add a binding for Mediatek xHCI host controller

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Date:	Tue, 1 Sep 2015 19:46:05 +0800
From:	chunfeng yun <chunfeng.yun@...iatek.com>
To:	Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
CC:	Mathias Nyman <mathias.nyman@...el.com>,
	Rob Herring <robh+dt@...nel.org>,
	Mark Rutland <mark.rutland@....com>,
	"Matthias Brugger" <matthias.bgg@...il.com>,
	Felipe Balbi <balbi@...com>,
	"Sascha Hauer" <s.hauer@...gutronix.de>,
	<devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	"Roger Quadros" <rogerq@...com>, <linux-usb@...r.kernel.org>,
	<linux-mediatek@...ts.infradead.org>,
	John Crispin <blogic@...nwrt.org>,
	Daniel Kurtz <djkurtz@...omium.org>,
	Kishon Vijay Abraham I <kishon@...com>
Subject: Re: [PATCH v6 2/5] dt-bindings: Add a binding for Mediatek xHCI
 host controller

hi, 
On Sat, 2015-08-22 at 16:23 +0300, Sergei Shtylyov wrote:
> Hello.
> 
> On 8/22/2015 4:45 AM, Chunfeng Yun wrote:
> 
> > add a DT binding documentation of xHCI host controller for the
> > MT8173 SoC from Mediatek.
> 
> > Signed-off-by: Chunfeng Yun <chunfeng.yun@...iatek.com>
> > ---
> >   .../devicetree/bindings/usb/mt8173-xhci.txt        | 52 ++++++++++++++++++++++
> >   1 file changed, 52 insertions(+)
> >   create mode 100644 Documentation/devicetree/bindings/usb/mt8173-xhci.txt
> >
> > diff --git a/Documentation/devicetree/bindings/usb/mt8173-xhci.txt b/Documentation/devicetree/bindings/usb/mt8173-xhci.txt
> > new file mode 100644
> > index 0000000..8e6e463
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/usb/mt8173-xhci.txt
> > @@ -0,0 +1,52 @@
> > +mt65XX xHCI
> 
>     The file is called mt8173-xhci.txt. Are you sure MT65xx should be here?
> 
I will revise it later.

> > +
> > +The device node for Mediatek SOC usb3.0 host controller
> > +
> > +Required properties:
> > + - compatible : should contain "mediatek,mt8173-xhci"
> > + - reg : specifies physical base address and size of the registers,
> > +	the first one for MAC, the second for IPPC
> > + - interrupts : interrupt used by the controller
> > + - power-domains : a phandle to USB power domain node to control usb's
> 
>     USB's -- be consistent, please.
> 
> > +	mtcmos
> > + - vusb33-supply : regulator of usb avdd3.3v
> > +
> > + - clocks : a list of phandle + clock-specifier pairs, one for each
> > +	entry in clock-names
> > + - clock-names : must contain
> > +	"sys_ck": for clock of xHCI MAC
> > +	"wakeup_deb_p0": for usb wakeup debounce clock of port0
> > +	"wakeup_deb_p0": for usb wakeup debounce clock of port1
> 
>     USB.
> 
> > +
> > + - phys : a list of phandle + phy specifier pairs
> > + - usb3-lpm-capable : supports USB3 LPM
> > + - mediatek,syscon-wakeup : phandle to syscon used to access usb wakeup
> > +	control register
> > + - mediatek,wakeup-src : 1: ip sleep wakeup mode; 2: line state wakeup
> > +	mode; others means don't enable wakeup source of usb
> 
>     "Others mean" and "USB".
> 
I will replace all 'usb' by "USB"

Thanks a lot, and sorry for later reply.
> [...]
> 
> MBR, Sergei
> 


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