linux-kernel - RE: [PATCH 3/6] QE: Add uqe

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Message-ID: <AM3PR04MB11853658AFD54DFEB49EC3B791C00@AM3PR04MB1185.eurprd04.prod.outlook.com>
Date:	Mon, 18 Jan 2016 03:28:37 +0000
From:	Qiang Zhao <qiang.zhao@....com>
To:	Rob Herring <robh@...nel.org>
CC:	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linuxppc-dev@...ts.ozlabs.org" <linuxppc-dev@...ts.ozlabs.org>,
	"Priyanka.Jain@...escale.com" <Priyanka.Jain@...escale.com>,
	"oss@...error.net" <oss@...error.net>
Subject: RE: [PATCH 3/6] QE: Add uqe_serial document to bindings

Hi Rob,

Please, is there any update regarding of my question?
Thank you!

Best Regards
Zhao Qiang

> -----Original Message-----
> From: Qiang Zhao
> Sent: Monday, January 11, 2016 4:19 PM
> To: 'Rob Herring' <robh@...nel.org>
> Cc: devicetree@...r.kernel.org; linux-kernel@...r.kernel.org; linuxppc-
> dev@...ts.ozlabs.org; Priyanka.Jain@...escale.com; oss@...error.net
> Subject: RE: [PATCH 3/6] QE: Add uqe_serial document to bindings
> 
> On Fri, Jan 09, 2016 at 04:12AM, Rob Herring <robh@...nel.org> wrote:
> > -----Original Message-----
> > From: Rob Herring [mailto:robh@...nel.org]
> > Sent: Saturday, January 09, 2016 4:12 AM
> > To: Qiang Zhao <qiang.zhao@....com>
> > Cc: devicetree@...r.kernel.org; linux-kernel@...r.kernel.org;
> > linuxppc- dev@...ts.ozlabs.org; Priyanka.Jain@...escale.com;
> > oss@...error.net
> > Subject: Re: [PATCH 3/6] QE: Add uqe_serial document to bindings
> >
> > On Fri, Jan 08, 2016 at 10:18:11AM +0800, Zhao Qiang wrote:
> > > Add uqe_serial document to
> > > Documentation/devicetree/bindings/powerpc/fsl/cpm_qe/uqe_serial.txt
> > >
> > > Signed-off-by: Zhao Qiang <qiang.zhao@....com>
> > > ---
> > >  .../bindings/powerpc/fsl/cpm_qe/uqe_serial.txt       | 20
> > ++++++++++++++++++++
> > >  1 file changed, 20 insertions(+)
> > >  create mode 100644
> > > Documentation/devicetree/bindings/powerpc/fsl/cpm_qe/uqe_serial.txt
> > >
> > > diff --git
> > > a/Documentation/devicetree/bindings/powerpc/fsl/cpm_qe/uqe_serial.tx
> > > t
> > > b/Documentation/devicetree/bindings/powerpc/fsl/cpm_qe/uqe_serial.tx
> > > t
> > > new file mode 100644
> > > index 0000000..e677599
> > > --- /dev/null
> > > +++
> b/Documentation/devicetree/bindings/powerpc/fsl/cpm_qe/uqe_serial.
> > > +++ txt
> > > @@ -0,0 +1,20 @@
> > > +* Serial
> > > +
> > > +Currently defined compatibles:
> > > +- ucc_uart
> > > +
> > > +Properties for ucc_uart:
> > > +device_type : which type the device is
> >
> > Drop this please.
> 
> Yes, I will drop it in next version.
> 
> >
> > > +port-number : port number of UCC-UART
> >
> > Use aliases instead.
> 
> I don't understand, can you explain more?
> 
> >
> > > +rx-clock-name : which clock QE use for RX tx-clock-name : which
> > > +clock QE use for TX
> >
> > These should use the clock binding.
> 
> This property means which clock source the UCC use, the QE just use this
> property to route UCC clock to clock source.
> The clock source maybe either internal or outside(from clock input pin).
> So clock binding is not apply in this case.
> 
> >
> > > +
> > > +Example:
> > > +
> > > +	serial: ucc@...0 {
> > > +		device_type = "serial";
> > > +		compatible = "ucc_uart";
> > > +		port-number = <1>;
> > > +		rx-clock-name = "brg2";
> > > +		tx-clock-name = "brg2";
> > > +	};
> > > --
> > > 2.1.0.27.g96db324
> > >
> > > --
> > > To unsubscribe from this list: send the line "unsubscribe devicetree"
> > > in the body of a message to majordomo@...r.kernel.org More
> majordomo
> > > info at  http://vger.kernel.org/majordomo-info.html
> Best Regards
> Zhao Qiang