s.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
> -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-
> d...@lists.ozlabs.org
> Subject: Re: [PATCH] powerpc: Add I2C bus multiplexer node for B4 and
&
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.
-Scott
___
Linuxppc-dev mailing list
Linuxp
;
>> Thanks.
>>
>> -Hongtao
>>
>>
>>> -Original Message-
>>> From: Yang,Wei [mailto:wei.y...@windriver.com]
>>> Sent: Wednesday, September 04, 2013 9:27 AM
>>> To: Jia Hongtao-B38951
>>> Cc: linuxppc-dev@lists.ozlabs.
i
> Cc: Wood Scott-B07421; linuxppc-dev@lists.ozlabs.org
> Subject: RE: [PATCH] powerpc: Add I2C bus multiplexer node for B4 and
> T4240QDS
>
> Hi,
> I noticed that there are already some nodes in i2c bus.
> You should at least move the existing node into PCA9547.
>
> Tha
> B38951
> Sent: 2013年9月4日 星期三 11:38
> To: Yang,Wei
> Cc: Wood Scott-B07421; linuxppc-dev@lists.ozlabs.org
> Subject: RE: [PATCH] powerpc: Add I2C bus multiplexer node for B4 and
> T4240QDS
>
> Hi Wei,
>
> I totally agree that the i2c nodes topology should end up like you
; Jia Hongtao-B38951
> Subject: Re: [PATCH] powerpc: Add I2C bus multiplexer node for B4 and
> T4240QDS
>
> On 09/03/2013 03:51 PM, Jia Hongtao wrote:
> > In both B4 and T4240QDS platform PCA9547 I2C bus multiplexer is used.
>
> Hi Hongtao,
>
> If you want to supp
8951
> Cc: Wood Scott-B07421; linuxppc-dev@lists.ozlabs.org; Jia Hongtao-B38951
> Subject: Re: [PATCH] powerpc: Add I2C bus multiplexer node for B4 and
> T4240QDS
>
> On 09/03/2013 03:51 PM, Jia Hongtao wrote:
> > In both B4 and T4240QDS platform PCA9547 I2C bus multiplexer is use
On 09/03/2013 03:51 PM, Jia Hongtao wrote:
In both B4 and T4240QDS platform PCA9547 I2C bus multiplexer is used.
Hi Hongtao,
If you want to support I2C bus multiplexer, for T4 and B4QDS platform,
since some eeprom devices is connected to PCA9574 I2C bus
multiplexer, so these devices should be
In both B4 and T4240QDS platform PCA9547 I2C bus multiplexer is used.
Signed-off-by: Jia Hongtao
---
arch/powerpc/boot/dts/b4qds.dtsi | 4
arch/powerpc/boot/dts/t4240qds.dts | 4
2 files changed, 8 insertions(+)
diff --git a/arch/powerpc/boot/dts/b4qds.dtsi b/arch/powerpc/boot/dts/b
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