MPC8260 I2C Problem

[jimmy liu]

I got it.

In the board environment, we have to define the
BOARD_CHIP_NAME. It looks like:
#define BOARD_CHIP_NAME "8260"

--- Li Yang-r58472 <LeoLi at freescale.com> wrote:

> You are talking about the wrong i2c driver.  For
> 8260, you need a cpm
> i2c driver, not the i2c-mpc driver.
> 
> - Leo
> 
> > -----Original Message-----
> > From:
>
linuxppc-embedded-bounces+leoli=freescale.com at ozlabs.org
> >
>
[mailto:linuxppc-embedded-bounces+leoli=freescale.com at ozlabs.org]
> On
> Behalf Of
> > jimmy liu
> > Sent: Friday, January 26, 2007 1:06 AM
> > To: embedded linuxppc
> > Subject: RE: MPC8260 I2C Problem
> > 
> > In the arch\ppc\syslib\pq2_devices.c, there has
> the
> > device descriptions.
> > Do I still need manually create the plateform bus
> > tree?
> > 
> > --- Li Yang-r58472 <LeoLi at freescale.com> wrote:
> > 
> > > > -----Original Message-----
> > > > From:
> > >
> >
>
linuxppc-embedded-bounces+leoli=freescale.com at ozlabs.org
> > > >
> > >
> >
>
[mailto:linuxppc-embedded-bounces+leoli=freescale.com at ozlabs.org]
> > > On
> > > Behalf Of
> > > > jimmy liu
> > > > Sent: Thursday, January 25, 2007 11:22 AM
> > > > To: embedded linuxppc
> > > > Subject: MPC8260 I2C Problem
> > > >
> > > > I download the linux kernel 2.6.19 from
> > > > ftp://ftp.denx.de/pub/linux/ site.
> > > >
> > > > When I add mpc8260 I2C driver to Linux kernel
> > > 2.6.19,
> > > > the init function looks like that
> > > > static int __init fsl_i2c_init(void)
> > > > {
> > > > 	return driver_register(&fsl_i2c_driver);
> > > > }
> > > > I set the debug on, and found that the
> > > fsl_i2c_probe()
> > > > function is never called, so there is not I2C
> > > device
> > > > enabled, and the user space function
> > > > open("/dev/i2c-0",O_RDWR) always return error.
> I
> > > set
> > > > something wrong? Could somebody help me?
> > >
> > > Do you have an fsl-i2c node in your device tree?
> > >
> > > - Leo
> > >
> > 
> > 
> > 
> > 
> >
>
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> 



 
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