From: ben-i2c@fluff.org (Ben Dooks)
To: linux-arm-kernel@lists.infradead.org
Subject: I2C support for CE4100, v3
Date: Wed, 5 Jan 2011 21:51:59 +0000 [thread overview]
Message-ID: <20110105215159.GU817@trinity.fluff.org> (raw)
In-Reply-To: <1294246263-31960-1-git-send-email-bigeasy@linutronix.de>
On Wed, Jan 05, 2011 at 05:50:57PM +0100, Sebastian Andrzej Siewior wrote:
> The I2C core inside CE4100 is very much the same as in PXA25x.
> I Cc the ARM folks because patch 2 reorganizes some files so that they
> can be accessed from x86.
> The I2C device is behind a PCI bus. The PCI probe code simply creates
> three platform devices so we don't have much changes to the platform
> driver. There is no clock framework on x86 and the peripherals don't
> support changing their clocks or to enable/disable them. So I provided
> dummy function which keep the driver happy.
> This series indirectly depends on the SPI series because both modify
> include files and spi & i2c includes are sometimes too close to each
> other.
>
> History:
> v1: Initial post
> v2: - ISAR is still touched if not in SLAVE mode except on X86 where it
> is not touched at all.
> - There are no files created in include/asm
> - register defines are in common code
> - the PCI controller now requires a device tree. It is used to obtain
> an id (which is used as device & i2c bus id).
> - the PCI part now uses ARRAY_SIZE(). As it turns out pci_select_bars()
> is not useable.
> - the patch which resetted the chip if the i2c bus was not available
> has been dropped.
> v3: - introduced dynamic register mapping. With this change I can avoid
> accessing the unavailable ISAR register without an #ifdef around
> it.
> - modified the DT part of the pci driver to address latest DT review
> comments.
>
> The patch series has been created with the -M option so file moves can
> be easily noticed. The whole series (including the spi rename) is also
> available at
> git://git.linutronix.de/users/bigeasy/soda.git spi-i2c
>
> Sebastian Andrzej Siewior (6):
> i2c/pxa: use dynamic register layout
> arm/pxa2xx: reorganize I2C files
> i2c/pxa2xx: Add PCI support for PXA I2C controller
> i2c/pxa2xx: add support for shared IRQ handler
> i2c/pxa2xx: check timeout correctly
> i2c/pxa2xx: pass of_node from platform driver to adapter and publish
please rename these i2c-pxa2xx
and for the ARM, use ARM: pxa2xx as the prefix
> arch/arm/mach-mmp/include/mach/mmp2.h | 2 +-
> arch/arm/mach-mmp/include/mach/pxa168.h | 2 +-
> arch/arm/mach-mmp/include/mach/pxa910.h | 2 +-
> arch/arm/mach-pxa/balloon3.c | 3 +-
> arch/arm/mach-pxa/cm-x300.c | 2 +-
> arch/arm/mach-pxa/colibri-pxa270-income.c | 3 +-
> arch/arm/mach-pxa/corgi.c | 2 +-
> arch/arm/mach-pxa/csb726.c | 2 +-
> arch/arm/mach-pxa/devices.c | 2 +-
> arch/arm/mach-pxa/em-x270.c | 2 +-
> arch/arm/mach-pxa/ezx.c | 2 +-
> arch/arm/mach-pxa/hx4700.c | 2 +-
> arch/arm/mach-pxa/littleton.c | 2 +-
> arch/arm/mach-pxa/magician.c | 2 +-
> arch/arm/mach-pxa/mainstone.c | 2 +-
> arch/arm/mach-pxa/mioa701.c | 2 +-
> arch/arm/mach-pxa/mxm8x10.c | 2 +-
> arch/arm/mach-pxa/palm27x.c | 3 +-
> arch/arm/mach-pxa/pcm990-baseboard.c | 2 +-
> arch/arm/mach-pxa/poodle.c | 2 +-
> arch/arm/mach-pxa/pxa27x.c | 2 +-
> arch/arm/mach-pxa/pxa3xx.c | 2 +-
> arch/arm/mach-pxa/raumfeld.c | 2 +-
> arch/arm/mach-pxa/saar.c | 2 +-
> arch/arm/mach-pxa/spitz.c | 3 +-
> arch/arm/mach-pxa/stargate2.c | 2 +-
> arch/arm/mach-pxa/tavorevb3.c | 3 +-
> arch/arm/mach-pxa/tosa.c | 2 +-
> arch/arm/mach-pxa/trizeps4.c | 2 +-
> arch/arm/mach-pxa/viper.c | 2 +-
> arch/arm/mach-pxa/vpac270.c | 3 +-
> arch/arm/mach-pxa/xcep.c | 3 +-
> arch/arm/mach-pxa/z2.c | 3 +-
> arch/arm/mach-pxa/zeus.c | 3 +-
> arch/arm/mach-pxa/zylonite_pxa300.c | 2 +-
> drivers/i2c/busses/Kconfig | 7 +-
> drivers/i2c/busses/Makefile | 1 +
> drivers/i2c/busses/i2c-pxa-pci.c | 173 ++++++++++++++++++++
> drivers/i2c/busses/i2c-pxa.c | 116 ++++++++++---
> .../plat/i2c.h => include/linux/i2c/pxa-i2c.h | 0
> 40 files changed, 304 insertions(+), 72 deletions(-)
> create mode 100644 drivers/i2c/busses/i2c-pxa-pci.c
> rename arch/arm/plat-pxa/include/plat/i2c.h => include/linux/i2c/pxa-i2c.h (100%)
>
> Sebastian
>
> --
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--
Ben Dooks, ben at fluff.org, http://www.fluff.org/ben/
Large Hadron Colada: A large Pina Colada that makes the universe disappear.
next prev parent reply other threads:[~2011-01-05 21:51 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-05 16:50 I2C support for CE4100, v3 Sebastian Andrzej Siewior
2011-01-05 16:50 ` [PATCH 1/6] i2c/pxa: use dynamic register layout Sebastian Andrzej Siewior
2011-01-05 16:50 ` [PATCH 2/6] arm/pxa2xx: reorganize I2C files Sebastian Andrzej Siewior
2011-01-05 16:51 ` [PATCH 3/6] i2c/pxa2xx: Add PCI support for PXA I2C controller Sebastian Andrzej Siewior
2011-01-05 20:21 ` Ben Dooks
2011-01-05 22:18 ` Sebastian Andrzej Siewior
2011-01-14 14:31 ` Sebastian Andrzej Siewior
2011-02-07 17:56 ` Sebastian Andrzej Siewior
2011-02-23 1:14 ` Ben Dooks
2011-01-05 23:03 ` Russell King - ARM Linux
2011-01-05 23:08 ` Greg KH
2011-01-06 9:20 ` Russell King - ARM Linux
2011-01-06 21:57 ` Greg KH
2011-01-07 12:31 ` [PATCH] i2c-pxa2xx: " Sebastian Andrzej Siewior
2011-01-06 10:50 ` [PATCH 3/6] i2c/pxa2xx: " Sebastian Andrzej Siewior
2011-01-06 11:12 ` Russell King - ARM Linux
2011-01-06 11:50 ` Sebastian Andrzej Siewior
2011-01-07 15:57 ` Grant Likely
2011-01-05 16:51 ` [PATCH 4/6] i2c/pxa2xx: add support for shared IRQ handler Sebastian Andrzej Siewior
2011-01-05 16:51 ` [PATCH 5/6] i2c/pxa2xx: check timeout correctly Sebastian Andrzej Siewior
2011-01-05 16:51 ` [PATCH 6/6] i2c/pxa2xx: pass of_node from platform driver to adapter and publish Sebastian Andrzej Siewior
2011-01-21 19:32 ` Grant Likely
2011-01-05 21:51 ` Ben Dooks [this message]
2011-01-07 11:20 ` I2C support for CE4100, v3 Sebastian Andrzej Siewior
-- strict thread matches above, loose matches on Subject: below --
2011-02-23 11:38 Sebastian Andrzej Siewior
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