From: Mark Brown <broonie@opensource.wolfsonmicro.com>
To: linux-kernel@vger.kernel.org,
Dimitris Papastamos <dp@opensource.wolfsonmicro.com>,
Liam Girdwood <lrg@ti.com>, Samuel Oritz <sameo@linux.intel.com>,
Lars-Peter Clausen <lars@metafoo.de>,
Graeme Gregory <gg@slimlogic.co.uk>
Subject: Re: [PATCH 0/8] Generic I2C and SPI register map library
Date: Thu, 23 Jun 2011 02:25:45 +0100 [thread overview]
Message-ID: <20110623012544.GE20949@opensource.wolfsonmicro.com> (raw)
In-Reply-To: <20110622224828.GA2342@siel.b>
On Thu, Jun 23, 2011 at 12:48:28AM +0200, torbenh wrote:
> you should look at SMBus
> there seems to be quite some code to share.
> in particular i2c rtc devices seem to be using SMBus functions
> to get the exact same semantics you are providing here.
SMBus is an I2C subset with a definition for 8 bit registers layered
onto it, pretty much.
> I just added support for such a device today, and it struck me, that
> this API was necessary.
If you're only using SMBus then the I2C interface includes SMBus based
register support which should do what you want. With the regmap API it
ought to work as a device with 8 bit registers and 8 bit values.
next prev parent reply other threads:[~2011-06-23 1:25 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-22 18:44 [PATCH 0/8] Generic I2C and SPI register map library Mark Brown
2011-06-22 18:45 ` [PATCH 1/8] regmap: Add generic non-memory mapped register access API Mark Brown
2011-06-22 18:45 ` [PATCH 2/8] regmap: Add I2C bus support Mark Brown
2011-06-22 18:45 ` [PATCH 3/8] regmap: Add SPI " Mark Brown
2011-06-22 18:45 ` [PATCH 4/8] ASoC: Use new register map API for ASoC generic physical I/O Mark Brown
2011-06-22 18:45 ` [PATCH 5/8] mfd: Convert WM831x to use regmap API Mark Brown
2011-06-22 18:45 ` [PATCH 6/8] mfd: Convert WM8994 to use new register map API Mark Brown
2011-06-22 18:45 ` [PATCH 7/8] mfd: Convert pcf50633 " Mark Brown
2011-06-22 18:45 ` [PATCH 8/8] regulator: Convert tps65023 to use regmap API Mark Brown
2011-06-22 19:03 ` [PATCH 1/8] regmap: Add generic non-memory mapped register access API Lars-Peter Clausen
2011-06-22 19:11 ` Mark Brown
2011-06-22 19:20 ` Lars-Peter Clausen
2011-06-22 19:42 ` Mark Brown
2011-07-01 0:22 ` Ben Hutchings
2011-07-01 2:38 ` Mark Brown
2011-06-22 22:48 ` [PATCH 0/8] Generic I2C and SPI register map library torbenh
2011-06-23 1:25 ` Mark Brown [this message]
2011-06-23 8:54 ` Jonathan Cameron
2011-06-23 10:44 ` Mark Brown
-- strict thread matches above, loose matches on Subject: below --
2011-06-20 12:46 Mark Brown
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