Re: do we need regmap-i2c in barebox?

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Hello Antony,

On 03.11.21 18:35, Antony Pavlov wrote:
> Hi!
> 
> I have made draft version of pcf85363 i2c rtc driver for barebox.
> I used drivers/rtc/rtc-pcf85363.c from linux kernel as a prototype.
> The linux driver uses REGMAP_I2C linux feature. Barebox has regmap
> framework, but no special i2c regmap features.

There is d827f61e149b ("regmap: implement regmap_init_i2c")
since barebox v2021.07.0. What extra functionality are you missing?

> 
> In barebox source tree I have found drivers/mfd/stpmic1.c which
> uses regmap for i2c device without REGMAP_I2C linux feature.
> So I have just stolen i2c regmap code from stpmic1.c for pcf85363
> driver. I'll send pcf85363 i2c rtc driver for barebox in a separate
> message.
> 
> Is there any sense in porting drivers/base/regmap/regmap-i2c.c from
> linux into barebox?
> 


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