Commit Graph

161 Commits

Author SHA1 Message Date
Linus Torvalds
06991c28f3 Driver core patches for 3.9-rc1
Here is the big driver core merge for 3.9-rc1
 
 There are two major series here, both of which touch lots of drivers all
 over the kernel, and will cause you some merge conflicts:
   - add a new function called devm_ioremap_resource() to properly be
     able to check return values.
   - remove CONFIG_EXPERIMENTAL
 
 If you need me to provide a merged tree to handle these resolutions,
 please let me know.
 
 Other than those patches, there's not much here, some minor fixes and
 updates.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core patches from Greg Kroah-Hartman:
 "Here is the big driver core merge for 3.9-rc1

  There are two major series here, both of which touch lots of drivers
  all over the kernel, and will cause you some merge conflicts:

   - add a new function called devm_ioremap_resource() to properly be
     able to check return values.

   - remove CONFIG_EXPERIMENTAL

  Other than those patches, there's not much here, some minor fixes and
  updates"

Fix up trivial conflicts

* tag 'driver-core-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (221 commits)
  base: memory: fix soft/hard_offline_page permissions
  drivercore: Fix ordering between deferred_probe and exiting initcalls
  backlight: fix class_find_device() arguments
  TTY: mark tty_get_device call with the proper const values
  driver-core: constify data for class_find_device()
  firmware: Ignore abort check when no user-helper is used
  firmware: Reduce ifdef CONFIG_FW_LOADER_USER_HELPER
  firmware: Make user-mode helper optional
  firmware: Refactoring for splitting user-mode helper code
  Driver core: treat unregistered bus_types as having no devices
  watchdog: Convert to devm_ioremap_resource()
  thermal: Convert to devm_ioremap_resource()
  spi: Convert to devm_ioremap_resource()
  power: Convert to devm_ioremap_resource()
  mtd: Convert to devm_ioremap_resource()
  mmc: Convert to devm_ioremap_resource()
  mfd: Convert to devm_ioremap_resource()
  media: Convert to devm_ioremap_resource()
  iommu: Convert to devm_ioremap_resource()
  drm: Convert to devm_ioremap_resource()
  ...
2013-02-21 12:05:51 -08:00
Mika Westerberg
a3496855d9 spi/pxa2xx: add support for Lynxpoint SPI controllers
Intel Lynxpoint PCH Low Power Subsystem has two general purpose SPI
controllers that are LPSS_SSP compatible. These controllers are enumerated
from ACPI namespace with ACPI IDs INT33C0 and INT33C1.

Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Tested-by: Lu Cao <lucao@marvell.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2013-02-08 13:15:34 +00:00
Mika Westerberg
5928808ef6 spi/pxa2xx: add support for DMA engine
To be able to use DMA with this driver on non-PXA platforms we implement
support for the generic DMA engine API. This lets user to use different DMA
engines with little or no modification to the driver.

Request lines and channel numbers can be passed to the driver from the
platform specific data.

The DMA engine implementation will be selected by default even on PXA
platform. User can select the legacy DMA API by enabling Kconfig option
CONFIG_SPI_PXA2XX_PXADMA.

Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Lu Cao <lucao@marvell.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2013-02-08 12:15:28 +00:00
Mika Westerberg
cd7bed0034 spi/pxa2xx: break out the private DMA API usage into a separate file
The PXA SPI driver uses PXA platform specific private DMA implementation
which does not work on non-PXA platforms. In order to use this driver on
other platforms we break out the private DMA implementation into a separate
file that gets compiled only when CONFIG_SPI_PXA2XX_PXADMA is set. The DMA
functions are stubbed out if there is no DMA implementation selected (i.e
we are building on non-PXA platform).

While we are there we can kill the dummy DMA bits in pxa2xx_spi.h as they
are not needed anymore for CE4100.

Once this is done we can add the generic DMA engine support to the driver
that allows usage of any DMA controller that implements DMA engine API.

Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Lu Cao <lucao@marvell.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2013-02-08 12:15:21 +00:00
Mika Westerberg
2b49ebda39 spi/pxa2xx: allow building on a 64-bit kernel
We are going to use it on 64-bit kernel on Intel Lynxpoint so make sure we
can build it into such kernel.

Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2013-01-26 15:21:36 +08:00
Kees Cook
6d1f56aa51 drivers/spi: remove depends on CONFIG_EXPERIMENTAL
The CONFIG_EXPERIMENTAL config item has not carried much meaning for a
while now and is almost always enabled by default. As agreed during the
Linux kernel summit, remove it from any "depends on" lines in Kconfigs.

CC: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-01-21 14:52:45 -08:00
Bastian Hecht
746aeffdd9 spi/sh: Add SH Mobile series as dependency to MSIOF controller
The MSIOF hardware block is used in the SH Mobile series as well, so we
add it here.

Signed-off-by: Bastian Hecht <hechtb@gmail.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2012-12-06 14:05:54 +00:00
Wolfram Sang
266904c779 spi/stmp: remove obsolete driver
This driver is obsolete and can't even be built anymore since the
platform it depends has been removed.

The STMP series is completely covered by the MXS platform these days, so
spi-mxs can be used instead.

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2012-12-06 14:02:53 +00:00
Grant Likely
a34fc82e23 Merge branch 'spi-next' from git://git.kernel.org/pub/scm/linux/kernel/git/broonie/misc.git
Pull in the changes Mark has queued up for SPI
2012-12-06 13:58:31 +00:00
Alexander Shiyan
161b96c383 spi/clps711x: New SPI master driver
This patch add new driver for CLPS711X SPI master controller.
Due to platform limitations driver supports only 8 bit transfer mode.
Chip select control is handled via GPIO.

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2012-12-05 23:14:38 +00:00
Laxman Dewangan
8528547bcc spi: tegra: add spi driver for sflash controller
NVIDIA's Tegra20 have the SPI (SFLASH) controller to
interface with spi flash device which is used for system
boot. Add the spi driver for this controller.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Tested-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-11-14 11:04:53 +09:00
Laxman Dewangan
dc4dc36056 spi: tegra: add spi driver for SLINK controller
Tegra20/Tegra30 supports the spi interface through its SLINK
controller. Add spi driver for SLINK controller.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-10-30 18:38:35 +00:00
Linus Torvalds
b7e97d2211 Merge branch 'next' of git://git.infradead.org/users/vkoul/slave-dma
Pull slave-dmaengine updates from Vinod Koul:
 "This time we have Andy updates on dw_dmac which is attempting to make
  this IP block available as PCI and platform device though not fully
  complete this time.

  We also have TI EDMA moving the dma driver to use dmaengine APIs, also
  have a new driver for mmp-tdma, along with bunch of small updates.

  Now for your excitement the merge is little unusual here, while
  merging the auto merge on linux-next picks wrong choice for pl330
  (drivers/dma/pl330.c) and this causes build failure.  The correct
  resolution is in linux-next.  (DMA: PL330: Fix build error) I didn't
  back merge your tree this time as you are better than me so no point
  in doing that for me :)"

Fixed the pl330 conflict as in linux-next, along with trivial header
file conflicts due to changed includes.

* 'next' of git://git.infradead.org/users/vkoul/slave-dma: (29 commits)
  dma: tegra: fix interrupt name issue with apb dma.
  dw_dmac: fix a regression in dwc_prep_dma_memcpy
  dw_dmac: introduce software emulation of LLP transfers
  dw_dmac: autoconfigure data_width or get it via platform data
  dw_dmac: autoconfigure block_size or use platform data
  dw_dmac: get number of channels from hardware if possible
  dw_dmac: fill optional encoded parameters in register structure
  dw_dmac: mark dwc_dump_chan_regs as inline
  DMA: PL330: return ENOMEM instead of 0 from pl330_alloc_chan_resources
  DMA: PL330: Remove redundant runtime_suspend/resume functions
  DMA: PL330: Remove controller clock enable/disable
  dmaengine: use kmem_cache_zalloc instead of kmem_cache_alloc/memset
  DMA: PL330: Set the capability of pdm0 and pdm1 as DMA_PRIVATE
  ARM: EXYNOS: Set the capability of pdm0 and pdm1 as DMA_PRIVATE
  dma: tegra: use list_move_tail instead of list_del/list_add_tail
  mxs/dma: Enlarge the CCW descriptor area to 4 pages
  dw_dmac: utilize slave_id to pass request line
  dmaengine: mmp_tdma: add dt support
  dmaengine: mmp-pdma support
  spi: davici - make davinci select edma
  ...
2012-10-10 11:10:41 +09:00
Linus Torvalds
de390bba79 Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus
Pull MIPS update from Ralf Baechle:
 "This is the MIPS update for 3.7.

  A fair chunk of them are platform updates to the Cavium Octeon SOC
  (which involves machine generated header files of considerable size),
  Atheros ATH79xx, RMI aka Netlogic aka Broadcom XLP, Broadcom BCM63xx
  platforms.

  Support for the commercial MIPS simulator MIPSsim has been removed as
  MIPS Technologies is shifting away from this product and Qemu is
  offering various more powerful platforms.  The generic MIPS code can
  now also probe for no-execute / write-only TLB features implemented
  without the full SmartMIPS extension as permitted by the latest MIPS
  processor architecture.  Lots of small changes to generic code."

* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: (78 commits)
  MIPS: ath79: Fix CPU/DDR frequency calculation for SRIF PLLs
  MIPS: ath79: use correct fractional dividers for {CPU,DDR}_PLL on AR934x
  MIPS: BCM63XX: Properly handle mac address octet overflow
  MIPS: Kconfig: Avoid build errors by hiding USE_OF from the user.
  MIPS: Replace `-' in defconfig filename wth `_' for consistency.
  MIPS: Wire kcmp syscall.
  MIPS: MIPSsim: Remove the MIPSsim platform.
  MIPS: NOTIFY_RESUME is not needed in TIF masks
  MIPS: Merge the identical "return from syscall" per-ABI code
  MIPS: Unobfuscate _TIF..._MASK
  MIPS: Prevent hitting do_notify_resume() with !user_mode(regs).
  MIPS: Replace 'kernel_uses_smartmips_rixi' with 'cpu_has_rixi'.
  MIPS: Add base architecture support for RI and XI.
  MIPS: Optimise TLB handlers for MIPS32/64 R2 cores.
  MIPS: uasm: Add INS and EXT instructions.
  MIPS: Avoid pipeline stalls on some MIPS32R2 cores.
  MIPS: Make VPE count to be one-based.
  MIPS: Add new end of interrupt functionality for GIC.
  MIPS: Add EIC support for GIC.
  MIPS: Code clean-ups for the GIC.
  ...
2012-10-09 16:08:04 +09:00
Stephen Warren
536a53a300 spi: remove completely broken Tegra driver
The current SPI driver has many issues. Examples are:

* Segfaulting on most transfers due to expecting all transfers to have
  both RX and TX buffers.
* Hanging on TX transfers since the whole driver flow is driven by RX
  DMA completion, but the HW is only told to enable RX for RX transfers.
* Use of clk_disable_unprepare() from atomic context.
* Once those and other minor issues are fixed, the driver still doesn't
  actually work.
* The driver also implements a deprecated API to the SPI core.

For this reason, simply remove the driver completely. This has two
advantages:

1) This will remove the last use of Tegra's <mach/dma.h>, which will
   allow that file to be removed, which is required for single zImage
   work.

2) The downstream driver is significaly different from the current
   code. I believe a patch to re-add the downstream driver (with
   appropriate cleanup) will be much simpler to review if it's a new
   file rather than randomly interspered with essentially unrelated
   existing code.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-10-01 13:29:49 +01:00
Mark Brown
f4b81dd83e Merge branches 'spi-drivers' and 'spi-mxs' into spi-next 2012-09-28 14:05:29 +01:00
Vinod Koul
b5f1433059 spi: davici - make davinci select edma
Reported-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
2012-09-01 06:29:22 +05:30
David Daney
6b52c00f2b spi: Add SPI master controller for OCTEON SOCs.
Add the driver, link it into the kbuild system and provide device tree
binding documentation.

Signed-off-by: David Daney <david.daney@cavium.com>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Patchwork: http://patchwork.linux-mips.org/patch/4292/
Signed-off-by: John Crispin <blogic@openwrt.org>
2012-08-22 23:46:38 +02:00
Guenter Roeck
3ce8859e2e spi: Master driver for NXP SC18IS602/603
This driver adds support for NXP SC18IS602/603 I2C to SPI bus bridge.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-08-22 19:34:51 +01:00
Marek Vasut
646781d332 spi/mxs: Add SPI driver for mx233/mx28
This is slightly reworked version of the SPI driver.
Support for DT has been added and it's been converted
to queued API.

Based on previous attempt by:
Fabio Estevam <fabio.estevam@freescale.com>

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Marek Vasut <marex@denx.de>
Acked-by: Chris Ball <cjb@laptop.org>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-08-17 22:54:10 +01:00
Linus Torvalds
287dc4b764 Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus
Pull MIPS updates from Ralf Baechle:
 "More hardware support across the field including a bunch of device
  drivers.  The highlight however really are further steps towards
  device tree.

  This has been sitting in -next for ages.  All MIPS _defconfigs have
  been tested to boot or where I don't have hardware available, to at
  least build fine."

* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: (77 commits)
  MIPS: Loongson 1B: Add defconfig
  MIPS: Loongson 1B: Add board support
  MIPS: Netlogic: early console fix
  MIPS: Netlogic: Fix indentation of smpboot.S
  MIPS: Netlogic: remove cpu_has_dc_aliases define for XLP
  MIPS: Netlogic: Remove unused pcibios_fixups
  MIPS: Netlogic: Add XLP SoC devices in FDT
  MIPS: Netlogic: Add IRQ mappings for more devices
  MIPS: Netlogic: USB support for XLP
  MIPS: Netlogic: XLP PCIe controller support.
  MIPS: Netlogic: Platform changes for XLR/XLS I2C
  MIPS: Netlogic: Platform NAND/NOR flash support
  MIPS: Netlogic: Platform changes for XLS USB
  MIPS: Netlogic: Remove NETLOGIC_ prefix
  MIPS: Netlogic: SMP wakeup code update
  MIPS: Netlogic: Update comments in smpboot.S
  MIPS: BCM63XX: Add 96328avng reference board
  MIPS: Expose PCIe drivers for MIPS
  MIPS: BCM63XX: Add PCIe Support for BCM6328
  MIPS: BCM63XX: Move the PCI initialization into its own function
  ...
2012-07-30 11:45:52 -07:00
Linus Torvalds
0082c16e3a spi: Updates for 3.6
Since Grant is even more specacularly busy than usual for the time being
 I've been collecting SPI patches for him for this release - probably
 things will revert back to Grant before the next release.  There's
 nothing too exciting here, mostly it's simple driver specific stuff:
 
 - Add spi: to the modaliases of SPI devices to provide namespacing.
 - A driver for AD-FMCOMMS1-EBZ.
 - DT binding for Orion.
 - Fixes and cleanups for i.MX, PL0022, OMAP and bitbang drivers.
 
 There may be a few more fixes I've missed, people keep sending me new
 things.
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Merge tag 'spi-3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/misc

Pull spi updates from Mark Brown:
 "Since Grant is even more specacularly busy than usual for the time
  being I've been collecting SPI patches for him for this release -
  probably things will revert back to Grant before the next release.

  There's nothing too exciting here, mostly it's simple driver specific
  stuff:

   - Add spi: to the modaliases of SPI devices to provide namespacing.
   - A driver for AD-FMCOMMS1-EBZ.
   - DT binding for Orion.
   - Fixes and cleanups for i.MX, PL0022, OMAP and bitbang drivers.

   There may be a few more fixes I've missed, people keep sending me new
   things."

* tag 'spi-3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/misc:
  spi/orion: remove uneeded spi_info
  spi/bcm63xx: fix clock configuration selection
  spi/orion: add device tree binding
  spi/omap2: mark omap2_mcspi_master_setup as __devinit
  spi: omap2-mcspi: Fix the below warning
  spi: Add AD-FMCOMMS1-EBZ I2C-SPI bridge driver
  spi/imx: use gpio_is_valid to determine if a gpio is valid
  spi/imx: remove redundant config.speed_hz setting
  spi/gpio: start with CS non-active
  spi: tegra: use dmaengine based dma driver
  spi/pl022: cleanup pl022 header documentation
  spi/pl022: enable runtime PM
  spi/pl022: delete DB5500 support
  spi/pl022: disable port when unused
  spi: Add "spi:" prefix to modalias attribute of spi devices
2012-07-26 12:57:41 -07:00
Thomas Langer
6cd3c7e2b1 SPI: MIPS: lantiq: add FALCON spi driver
The external bus unit (EBU) found on the FALCON SoC has spi emulation that is
designed for serial flash access. This driver has only been tested with m25p80
type chips. The hardware has no support for other types of spi peripherals.

Signed-off-by: Thomas Langer <thomas.langer@lantiq.com>
Signed-off-by: John Crispin <blogic@openwrt.org>
Cc: spi-devel-general@lists.sourceforge.net
Cc: linux-mips@linux-mips.org
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Patchwork: https://patchwork.linux-mips.org/patch/3844/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2012-07-23 13:56:30 +01:00
Lars-Peter Clausen
b316590043 spi: Add AD-FMCOMMS1-EBZ I2C-SPI bridge driver
This patch adds support for the I2C-SPI bridge which can be found on the Analog
Devices AD-FMCOMMS1-EBZ board.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-07-20 11:08:44 +01:00
Steven King
bce4d12bf8 coldfire-qspi: Add support for the Coldfire 5251/5253.
The Coldfire 5251/5253 have a QSPI controller.  Enable selection of the
coldfire-qspi driver if the M525x is selected.

Signed-off-by: Steven King <sfking@fdwdc.com>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2012-07-16 09:59:21 +10:00
Mark Brown
9e9fd65d1f Merge branch 'pl022' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson into spi-next 2012-07-11 10:31:07 +01:00
Laxman Dewangan
619ac8d3e5 spi: tegra: use dmaengine based dma driver
Use the dmaengine based Tegra APB DMA driver for
data transfer between SPI FIFO and memory in
place of legacy Tegra APB DMA.

The new driver is selected if legacy driver is not
selected and new DMA driver is enabled through config
file.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-07-10 15:28:56 +01:00
Kukjin Kim
f1cb86ece2 Merge branch 'next/devel-s3c24xx-hsspi' into next/devel-samsung 2012-05-14 18:22:46 +09:00
Scott Jiang
22ac3e82e1 spi/bfin5xx: rename config macro name for bfin5xx spi controller driver
This controller is only for blackfin 5xx soc, so rename it to BFIN5XX

Signed-off-by: Scott Jiang <scott.jiang.linux@gmail.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2012-04-27 12:15:45 -06:00
Heiko Stuebner
c4bec60383 spi/s3c64xx: Allow usage for ARCH_S3C24XX
Newer SoCs from the S3C24XX line, namely S3C2416/2443/2450 contain
hsspi-controllers compatible with the s3c64xx type.

The previous patches enabled platform support for it, so make the
driver also usable for the S3C24xx architecture.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2012-04-24 18:07:16 -07:00
Linus Torvalds
d61b7a572b ARM: global cleanups
Quite a bit of code gets removed, and some stuff moved around, mostly
 the old samsung s3c24xx stuff. There should be no functional changes
 in this series otherwise. Some cleanups have dependencies on other
 arm-soc branches and will be sent in the second round.
 
 Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull "ARM: global cleanups" from Arnd Bergmann:
 "Quite a bit of code gets removed, and some stuff moved around, mostly
  the old samsung s3c24xx stuff.  There should be no functional changes
  in this series otherwise.  Some cleanups have dependencies on other
  arm-soc branches and will be sent in the second round.

  Signed-off-by: Arnd Bergmann <arnd@arndb.de>"

Fixed up trivial conflicts mainly due to #include's being changes on
both sides.

* tag 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (121 commits)
  ep93xx: Remove unnecessary includes of ep93xx-regs.h
  ep93xx: Move EP93XX_SYSCON defines to SoC private header
  ep93xx: Move crunch code to mach-ep93xx directory
  ep93xx: Make syscon access functions private to SoC
  ep93xx: Configure GPIO ports in core code
  ep93xx: Move peripheral defines to local SoC header
  ep93xx: Convert the watchdog driver into a platform device.
  ep93xx: Use ioremap for backlight driver
  ep93xx: Move GPIO defines to gpio-ep93xx.h
  ep93xx: Don't use system controller defines in audio drivers
  ep93xx: Move PHYS_BASE defines to local SoC header file
  ARM: EXYNOS: Add clock register addresses for EXYNOS4X12 bus devfreq driver
  ARM: EXYNOS: add clock registers for exynos4x12-cpufreq
  PM / devfreq: update the name of EXYNOS clock registers that were omitted
  PM / devfreq: update the name of EXYNOS clock register
  ARM: EXYNOS: change the prefix S5P_ to EXYNOS4_ for clock
  ARM: EXYNOS: use static declaration on regarding clock
  ARM: EXYNOS: replace clock.c for other new EXYNOS SoCs
  ARM: OMAP2+: Fix build error after merge
  ARM: S3C24XX: remove call to s3c24xx_setup_clocks
  ...
2012-03-27 16:03:32 -07:00
Linus Torvalds
5f0e685f31 SPI changes for v3.4.
Mostly a bunch of new drivers and driver bug fixes; but this also
 includes a few patches that create a core message queue infrastructure
 for the spi subsystem instead of making each driver open code it.
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Merge tag 'spi-for-linus' of git://git.secretlab.ca/git/linux-2.6

Pull SPI changes for v3.4 from Grant Likely:
 "Mostly a bunch of new drivers and driver bug fixes; but this also
  includes a few patches that create a core message queue infrastructure
  for the spi subsystem instead of making each driver open code it."

* tag 'spi-for-linus' of git://git.secretlab.ca/git/linux-2.6: (34 commits)
  spi/fsl-espi: Make sure pm is within 2..32
  spi/fsl-espi: make the clock computation easier to read
  spi: sh-hspi: modify write/read method
  spi: sh-hspi: control spi clock more correctly
  spi: sh-hspi: convert to using core message queue
  spi: s3c64xx: Fix build
  spi: s3c64xx: remove unnecessary callback msg->complete
  spi: remove redundant variable assignment
  spi: release lock on error path in spi_pump_messages()
  spi: Compatibility with direction which is used in samsung DMA operation
  spi-topcliff-pch: add recovery processing in case wait-event timeout
  spi-topcliff-pch: supports a spi mode setup and bit order setup by IO control
  spi-topcliff-pch: Fix issue for transmitting over 4KByte
  spi-topcliff-pch: Modify pci-bus number dynamically to get DMA device info
  spi/imx: simplify error handling to free gpios
  spi: Convert to DEFINE_PCI_DEVICE_TABLE
  spi: add Broadcom BCM63xx SPI controller driver
  SPI: add CSR SiRFprimaII SPI controller driver
  spi-topcliff-pch: fix -Wuninitialized warning
  spi: Mark spi_register_board_info() __devinit
  ...
2012-03-21 10:32:00 -07:00
Florian Fainelli
b42dfed83d spi: add Broadcom BCM63xx SPI controller driver
This patch adds support for the SPI controller found on the Broadcom BCM63xx
SoCs.

Signed-off-by: Tanguy Bouzeloc <tanguy.bouzeloc@efixo.com>
Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2012-03-09 15:03:03 -07:00
Zhiwu Song
1cc2df9d6f SPI: add CSR SiRFprimaII SPI controller driver
CSR SiRFprimaII has two SPIs (SPI0 and SPI1). Features:
* Master and slave modes
* 8-/12-/16-/32-bit data unit
* 256 bytes receive data FIFO and 256 bytes transmit data FIFO
* Multi-unit frame
* Configurable SPI_EN (chip select pin) active state
* Configurable SPI_CLK polarity
* Configurable SPI_CLK phase
* Configurable MSB/LSB first

Signed-off-by: Zhiwu Song <zhiwu.song@csr.com>
Signed-off-by: Barry Song <Baohua.Song@csr.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2012-03-09 14:51:11 -07:00
Uwe Kleine-König
5e8afa34cc spi: controller drivers don't need to depend on SPI_MASTER explicitly
They are all defined in an if SPI_MASTER ... endif block.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2012-03-09 14:39:08 -07:00
Kuninori Morimoto
d1c8bbd793 spi: Add SuperH HSPI prototype driver
This patch adds SuperH HSPI driver.
It is still prototype driver, but has enough function at this point.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2012-03-09 09:50:09 -07:00
Olof Johansson
d60d506e6b Merge branch 'next/cleanup-s3c24xx' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/cleanup
* 'next/cleanup-s3c24xx' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung: (24 commits)
  ARM: S3C24XX: remove call to s3c24xx_setup_clocks
  ARM: S3C24XX: add get_rate for clk_p on S3C2416/2443
  ARM: S3C24XX: add get_rate for clk_h on S3C2416/2443
  ARM: S3C24XX: remove XXX_setup_clocks method from S3C2443
  ARM: S3C24XX: remove obsolete S3C2416_DMA option
  ARM: S3C24XX: Reuse S3C2443 dma for S3C2416
  ARM: S3C24XX: Fix indentation of dma-s3c2443
  ARM: S3C24XX: Move device setup files to mach directory
  ARM: S3C24XX: Consolidate Simtec extensions
  ARM: S3C24XX: move simtec-specific code to mach directory
  ARM: S3C24XX: Move common-smdk code to mach directory
  ARM: S3C24XX: Move s3c2443-clock.c to mach-s3c24xx
  ARM: s3c2410_defconfig: update s3c2410_defconfig
  ARM: S3C2443: move mach-s3c2443/* into mach-s3c24xx/
  ARM: S3C2440: move mach-s3c2440/* into mach-s3c24xx/
  ARM: S3C2416: move mach-s3c2416/* into mach-s3c24xx/
  ARM: S3C2412: move mach-s3c2412/* into mach-s3c24xx/
  ARM: S3C2410: move mach-s3c2410/* into mach-s3c24xx/
  ARM: S3C24XX: change the ARCH_S3C2410 to ARCH_S3C24XX
  ARM: S3C2410: move s3c2410_baseclk_add to clock.h
  ...
2012-03-08 08:53:14 -08:00
Shimoda, Yoshihiro
0b2182ddac spi: add support for Renesas RSPI
The SH7757 has RSPI module. This patch supports it.

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2012-03-07 19:18:49 -07:00
Kukjin Kim
b130d5c295 ARM: S3C24XX: change the ARCH_S3C2410 to ARCH_S3C24XX
This patch changes the ARCH name to "ARCH_S3C24XX" for Samsung
S3C2410, S3C2412, S3C2413, S3C2416, S3C2440, S3C2442, S3C2443,
and S3C2450 SoCs so that we can merge the mach-xxx directories
and plat-s3c24xx dir. to just one mach-s3c24xx for them.

I think this should be sent to upstream via samsung tree because
this touches many samsung stuff.

Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
Cc: Chris Ball <cjb@laptop.org>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Greg Kroah-Hartman <gregkh@suse.de>
[for the gadget part:]
Acked-by: Felipe Balbi <balbi@ti.com>
[for the framebuffer (video) part:]
Acked-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
[For the watchdog-part:]
Acked-by: Wim Van Sebroeck <wim@iguana.be>
Cc: Sangbeom Kim <sbkim73@samsung.com>
Cc: Liam Girdwood <lrg@ti.com>
Cc: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2012-03-03 07:44:51 +09:00
Sylwester Nawrocki
b1a4874e0d spi: Add spi-s3c64xx driver dependency on ARCH_EXYNOS4
The spi-s3c64xx driver is also used on Exynos4 so update the dependency
to enable build on those platforms.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
[grant.likely: relax depends to ARCH_EXYNOS instead of ARCH_EXYNOS4]
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2012-02-05 23:23:43 -07:00
Linus Torvalds
81d48f0aee 2nd set of device tree changes for v3.3
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mergetag object 14c173eb63
 type commit
 tag spi-for-linus
 tagger Grant Likely <grant.likely@secretlab.ca> 1326520366 -0700
 
 SPI bug fixes for v3.3
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Merge tags 'devicetree-for-linus' and 'spi-for-linus' of git://git.secretlab.ca/git/linux-2.6

2nd set of device tree changes and SPI bug fixes for v3.3

* tag 'devicetree-for-linus' of git://git.secretlab.ca/git/linux-2.6:
  of/irq: Add interrupts-names property to name an irq resource
  of/address: Add reg-names property to name an iomem resource

* tag 'spi-for-linus' of git://git.secretlab.ca/git/linux-2.6:
  spi/tegra: depend instead of select TEGRA_SYSTEM_DMA
2012-01-14 13:25:55 -08:00
Linus Torvalds
4964e0664c Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus
* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: (119 commits)
  MIPS: Delete unused function add_temporary_entry.
  MIPS: Set default pci cache line size.
  MIPS: Flush huge TLB
  MIPS: Octeon: Remove SYS_SUPPORTS_HIGHMEM.
  MIPS: Octeon: Add support for OCTEON II PCIe
  MIPS: Octeon: Update PCI Latency timer and enable more error reporting.
  MIPS: Alchemy: Update cpu-feature-overrides
  MIPS: Alchemy: db1200: Improve PB1200 detection.
  MIPS: Alchemy: merge Au1000 and Au1300-style IRQ controller code.
  MIPS: Alchemy: chain IRQ controllers to MIPS IRQ controller
  MIPS: Alchemy: irq: register pm at irq init time
  MIPS: Alchemy: Touchscreen support on DB1100
  MIPS: Alchemy: Hook up IrDA on DB1000/DB1100
  net/irda: convert au1k_ir to platform driver.
  MIPS: Alchemy: remove unused board headers
  MTD: nand: make au1550nd.c a platform_driver
  MIPS: Netlogic: Mark Netlogic chips as SMT capable
  MIPS: Netlogic: Add support for XLP 3XX cores
  MIPS: Netlogic: Merge some of XLR/XLP wakup code
  MIPS: Netlogic: Add default XLP config.
  ...

Fix up trivial conflicts in arch/mips/kernel/{perf_event_mipsxx.c,
traps.c} and drivers/tty/serial/Makefile
2012-01-14 13:05:21 -08:00
Linus Torvalds
98793265b4 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (53 commits)
  Kconfig: acpi: Fix typo in comment.
  misc latin1 to utf8 conversions
  devres: Fix a typo in devm_kfree comment
  btrfs: free-space-cache.c: remove extra semicolon.
  fat: Spelling s/obsolate/obsolete/g
  SCSI, pmcraid: Fix spelling error in a pmcraid_err() call
  tools/power turbostat: update fields in manpage
  mac80211: drop spelling fix
  types.h: fix comment spelling for 'architectures'
  typo fixes: aera -> area, exntension -> extension
  devices.txt: Fix typo of 'VMware'.
  sis900: Fix enum typo 'sis900_rx_bufer_status'
  decompress_bunzip2: remove invalid vi modeline
  treewide: Fix comment and string typo 'bufer'
  hyper-v: Update MAINTAINERS
  treewide: Fix typos in various parts of the kernel, and fix some comments.
  clockevents: drop unknown Kconfig symbol GENERIC_CLOCKEVENTS_MIGR
  gpio: Kconfig: drop unknown symbol 'CS5535_GPIO'
  leds: Kconfig: Fix typo 'D2NET_V2'
  sound: Kconfig: drop unknown symbol ARCH_CLPS7500
  ...

Fix up trivial conflicts in arch/powerpc/platforms/40x/Kconfig (some new
kconfig additions, close to removed commented-out old ones)
2012-01-08 13:21:22 -08:00
Grant Likely
e583685e99 Merge branch 'spi/next' (early part) into spi/merge 2012-01-04 21:39:29 -07:00
Olof Johansson
14c173eb63 spi/tegra: depend instead of select TEGRA_SYSTEM_DMA
It's unlikely that anyone ever wants to turn off SYSTEM_DMA, but just in
case, it makes more sense to have the driver depend on it than select it.

Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2012-01-02 02:01:30 -07:00
Manuel Lauss
809f36c6f4 MIPS: Alchemy: Au1300 SoC support
Add basic support for the Au1300 variant(s):
- New GPIO/Interrupt controller
- DBDMA ids
- USB setup
- MMC support
- enable various PSC drivers
- detection code.

Signed-off-by: Manuel Lauss <manuel.lauss@googlemail.com>
To: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/2866/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2011-12-07 22:02:05 +00:00
Jiri Slaby
d9ddcec35d spi/fsl-espi: disable CONFIG_SPI_FSL_ESPI=m build
When spi_fsl_espi is chosen to be built as a module, there is a build
error because we test only CONFIG_SPI_FSL_ESPI in declaration of
struct mpc8xxx_spi in drivers/spi/spi_fsl_lib.h. Also some called
functions are not exported.

So we forbid CONFIG_SPI_FSL_ESPI to be tristate here.

The error looks like:
drivers/spi/spi_fsl_espi.c: In function 'fsl_espi_bufs':
drivers/spi/spi_fsl_espi.c:232: error: 'struct mpc8xxx_spi' has no member named 'len'
...

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Acked-by: Kumar Gala <galak@kernel.crashing.org>
Cc: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
2011-12-07 21:58:25 +01:00
Paul Bolle
7433f2b78c spi: drop "select SPI_MASTER_OF"
There is no Kconfig symbol named SPI_MASTER_OF. The select statement for
that symbol is a nop. Drop it.

While we're touching that Kconfig entry also drop a superfluous
dependency on SPI (this entry is wrapped in "if SPI" / "endif").

Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2011-11-14 11:14:37 +01:00
Tomoya MORINAGA
92b3a5c1bc spi-topcliff-pch: Support new device LAPIS Semiconductor ML7831 IOH
ML7831 is companion chip for Intel Atom E6xx series.

Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.lapis-semi.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2011-10-29 17:02:31 +02:00
Manuel Lauss
3766386037 MIPS: Alchemy: remove all CONFIG_SOC_AU1??? defines
Now that no driver any longer depends on the CONFIG_SOC_AU1???  symbols,
it's time to get rid of them: Move some of the platform devices to the
boards which can use them, Rename a few (unused) constants in the header,
Replace them with MIPS_ALCHEMY in the various Kconfig files.  Finally
delete them altogether from the Alchemy Kconfig file.

Signed-off-by: Manuel Lauss <manuel.lauss@googlemail.com>
To: Linux-MIPS <linux-mips@linux-mips.org>
Patchwork: https://patchwork.linux-mips.org/patch/2707/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2011-10-24 23:34:24 +01:00