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From: Ahmad Fatoum <>
To: Antony Pavlov <>,
Subject: Re: do we need regmap-i2c in barebox?
Date: Wed, 3 Nov 2021 18:39:32 +0100	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

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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  reply	other threads:[~2021-11-03 17:40 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-11-03 17:35 Antony Pavlov
2021-11-03 17:39 ` Ahmad Fatoum [this message]
2021-11-03 17:54   ` Antony Pavlov

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