[PATCH v2] i2c: add support for microchip fpga i2c controllers

[Conor Dooley]

On 04/05/2022 09:40, Conor.Dooley at microchip.com wrote:
> On 21/03/2022 12:58, Conor Dooley wrote:
>> EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
>>
>> Add Microchip CoreI2C i2c controller support. This driver supports the
>> "hard" i2c controller on the Microchip PolarFire SoC & the basic feature
>> set for "soft" i2c controller implemtations in the FPGA fabric.
>>
>> Co-developed-by: Daire McNamara <daire.mcnamara at microchip.com>
>> Signed-off-by: Daire McNamara <daire.mcnamara at microchip.com>
>> Signed-off-by: Conor Dooley <conor.dooley at microchip.com>
>> ---
>> Changes from v1:
>> - Use byte write and read functions
> 
> So it turns out that how I made this change, which worked in my
> test app, has issues.
> I will rework and send a v3.
> 

Welp, as it turns out we can chalk the issues up to user error,
aka me entirely forgetting what the correct i2cdetect options
were - d'oh.

Apologies for the noise & unless something else changes, don't
expect a V3.

Sorry,
Conor.