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Date: Sun, 19 Jun 2011 15:40:11 +0800
From: Shawn Guo <shawn.guo@freescale.com>
To: Arnd Bergmann <arnd@arndb.de>
CC: <linux-arm-kernel@lists.infradead.org>, Shawn Guo <shawn.guo@linaro.org>,
        <patches@linaro.org>, <netdev@vger.kernel.org>,
        <devicetree-discuss@lists.ozlabs.org>,
        Jason Liu <jason.hui@linaro.org>, <linux-kernel@vger.kernel.org>,
        Jeremy Kerr <jeremy.kerr@canonical.com>,
        Sascha Hauer <s.hauer@pengutronix.de>
Subject: Re: [PATCH 1/3] serial/imx: add device tree support
Message-ID: <20110619074010.GB23171@S2100-06.ap.freescale.net>
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On Sat, Jun 18, 2011 at 06:21:46PM +0200, Arnd Bergmann wrote:
> On Saturday 18 June 2011 17:19:12 Shawn Guo wrote:
> >
> > +Required properties:
> > +- compatible : should be "fsl,<soc>-uart", "fsl,imx-uart"
> > +- reg : address and length of the register set for the device
> > +- interrupts : should contain uart interrupt
> > +- id : should be the port ID defined by soc
> > +
> > +Optional properties:
> > +- fsl,has-rts-cts : indicate it has rts-cts
> > +- fsl,irda-mode : support irda mode
> > +
> > +Example:
> > +
> > +uart@73fbc000 {
> > +	compatible = "fsl,imx51-uart", "fsl,imx-uart";
> > +	reg = <0x73fbc000 0x4000>;
> > +	interrupts = <31>;
> > +	id = <1>;
> > +	fsl,has-rts-cts;
> > +};
> 
> Should this also support the "clock-frequency" property that 8250-style
> serial ports support [1]?
> 
I would ignore it for a while until we have common clock api and
corresponding binding settled.  For now, I would have nothing clock
related parsed from device tree.

-- 
Regards,
Shawn

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