[PATCH linux dev-4.10] arm/dts: Add I2C master and ports to FSI cfam

[Joel Stanley]

On Wed, Jun 28, 2017 at 11:39 PM, Eddie James
<eajames at linux.vnet.ibm.com> wrote:
>
>
> On 06/27/2017 11:57 PM, Joel Stanley wrote:
>>
>> On Tue, Jun 27, 2017 at 5:03 AM, Eddie James <eajames at linux.vnet.ibm.com>
>> wrote:
>>>
>>> From: "Edward A. James" <eajames at us.ibm.com>
>>>
>>> FSI I2C master algorithm probes port devices based on dts.
>>
>> Do you need all 28 ports enabled?
>
>
> I think so. All of those are valid I2C busses on P9. I'm not sure who uses
> them all.

Convention has been to only enable the buses that are active. Set the
default to be status = "disabled"; and then in the .dts files for each
machine that uses these will set the status = "okay".

I know that the Cronus tools use one of these for updating the SBE EEPROM.

Cheers,

Joel