MPC8260 I2C Problem
Li Yang-r58472
LeoLi at freescale.com
Thu Jan 25 14:36:23 EST 2007
> -----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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