From: Scott Wood <scottwood@freescale.com>
To: Vijay Nikam <vijay.t.nikam@gmail.com>
Cc: linuxppc-dev@ozlabs.org
Subject: Re: Regarding irq_of_parse_and_map
Date: Tue, 17 Feb 2009 11:14:51 -0600 [thread overview]
Message-ID: <499AF08B.6010702@freescale.com> (raw)
In-Reply-To: <f234e2140902170341y31662e8fla8a8cf87473ed419@mail.gmail.com>
Vijay Nikam wrote:
> I added the gpio node as follows to mpc8313erdb.dts;
>
> gpio@c00 {
> linux,phandle = <c00>;
Don't specify this explicitly. Please base new development off of the
device tree that is in upstream Linux, not the very old tree in your BSP.
> device_type = "gpio";
No device_type.
> The only thing I need to know what should I write at 'compatible' tag
> ? ? ? the compatible tag format is "manufacturer,model" the
> manufacturer is 'fsl' i.e. I think freescale but the model, as it is
> the model number where I can find this model ? ? ? Please let me know
> ... thanks ...
compatible = "fsl,mpc8313-gpio", "fsl,mpc8349-gpio";
> Also I would like to ask if the above device node is written according
> to bindings ... I think it should be right as I referred
> 'bootingwithout-of.txt' ... but please correct me if I am worng ? ? ?
See also Documentation/powerpc/dts-bindings/fsl/8xxx_gpio.txt.
Also note that current Linux has a driver in
arch/powerpc/sysdev/mpc8xxx_gpio.c.
-Scott
next prev parent reply other threads:[~2009-02-17 17:15 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-02-16 11:55 Regarding irq_of_parse_and_map Vijay Nikam
2009-02-16 18:08 ` Scott Wood
2009-02-17 11:41 ` Vijay Nikam
2009-02-17 17:14 ` Scott Wood [this message]
2009-02-18 12:01 ` Vijay Nikam
2009-02-18 16:57 ` Scott Wood
2009-02-19 11:51 ` Vijay Nikam
2009-02-19 17:24 ` Jon Loeliger
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