[PATCH] powerpc: Add I2C bus multiplexer node for B4 and T4240QDS

Tang Yuantian-B29983 B29983 at freescale.com
Fri Sep 6 12:30:06 EST 2013


> -----Original Message-----
> From: Wood Scott-B07421
> Sent: 2013年9月6日 星期五 2:41
> To: Tang Yuantian-B29983
> Cc: Yang,Wei; Jia Hongtao-B38951; Wood Scott-B07421; linuxppc-
> dev at lists.ozlabs.org
> Subject: Re: [PATCH] powerpc: Add I2C bus multiplexer node for B4 and
> T4240QDS
> 
> On Tue, 2013-09-03 at 22:30 -0500, Tang Yuantian-B29983 wrote:
> > Hi,
> >
> > These eeproms are never used by kernel. So no need to add them.
> 
> The device tree describes the hardware, not what Linux does with it.
> 
Missing some nodes doesn't mean it is not describing the hardware.
There are almost fifty I2C devices on T4 connected to PCA9547.
Do you think we need to list them all?

Regards,
Yuantian

> -Scott
> 



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