From: Scott Wood <scottwood@freescale.com>
To: Rune Torgersen <runet@innovsys.com>
Cc: linuxppc-dev@ozlabs.org
Subject: Re: Help with device tree binding for SMC serial
Date: Wed, 09 Jan 2008 13:45:49 -0600 [thread overview]
Message-ID: <4785246D.6090206@freescale.com> (raw)
In-Reply-To: <DCEAAC0833DD314AB0B58112AD99B93B03D58A34@ismail.innsys.innovsys.com>
Rune Torgersen wrote:
> Hi
>
> We're trying to get a SMC serial port on a8280 to work.
> I cannot find any ecxamples on the binding, so we've tried to make one.
>
> is this anywhere close to workable?
>
> serial@11a80 {
> device_type = "serial";
> compatible = "fsl,mpc8280-smc-uart",
> "fsl,cpm2-smc-uart";
> reg = <11a80 10 87fc 2>;
The current binding has the actual parameter ram block as the second reg
property, not the two-byte pointer. If your firmware doesn't initialize
the pointer, you'll have to do it in platform code.
> interrupts = <4 8>;
> interrupt-parent = <&PIC>;
> fsl,cpm-brg = <7>;
> fsl,cpm-command = <01000000>;
> };
cpm-command should be <1d000000> for SMC1.
Otherwise, it looks OK.
-Scott
next prev parent reply other threads:[~2008-01-09 19:46 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-09 19:18 Help with device tree binding for SMC serial Rune Torgersen
2008-01-09 19:45 ` Scott Wood [this message]
2008-01-09 22:22 ` Rune Torgersen
2008-01-09 22:29 ` Scott Wood
2008-01-09 22:37 ` Rune Torgersen
2008-01-09 22:40 ` Scott Wood
2008-01-09 23:07 ` Rune Torgersen
2008-01-10 17:53 ` Scott Wood
2008-01-10 19:10 ` Rune Torgersen
2008-01-10 19:19 ` Scott Wood
2008-01-11 0:07 ` Rune Torgersen
2008-01-11 14:13 ` Rune Torgersen
2008-01-11 17:24 ` Scott Wood
2008-01-11 18:11 ` Rune Torgersen
2008-01-11 18:15 ` Scott Wood
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