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Greg Ungerer df59fa7f4b spi: orion: support armada extended baud rates 
The Armada SoC family implementation of this SPI hardware module has
extended the configuration register to allow for a wider range of SPI
clock rates. Specifically the Serial Baud Rate Pre-selection bits in the
SPI Interface Configuration Register now also use bits 6 and 7 as well.

Modify the baud rate calculation to handle these differences for the
Armada case. Potentially a baud rate can be setup using a number of
different pre-scalar and scalar combinations. This code tries all
possible pre-scalar divisors (8 in total) to try and find the most
accurate set.

This change introduces (and documents) a new device tree compatible
device name "armada-370-spi" to support this.

Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Tested-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Reviewed-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-10-01 19:21:51 +01:00
..
ABI
xfs: update for 3.17-rc1
2014-08-13 17:49:53 -06:00
accounting
Documentation/accounting/getdelays.c: add missing null-terminate after strncpy call
2014-06-23 16:47:44 -07:00
acpi
ACPI / documentation: Remove reference to acpi_platform_device_ids from enumeration.txt
2014-07-12 00:07:05 +02:00
aoe
aoe: remove do-nothing NAME="%k" term from example udev rules
2013-09-11 15:59:28 -07:00
arm
ARM: SoC driver changes for 3.17
2014-08-08 11:34:32 -07:00
arm64
KVM/ARM New features for 3.17 include:
2014-08-05 09:47:45 +02:00
auxdisplay
…
backlight
backlight: lp855x_bl: support new LP8555 device
2013-11-13 12:09:14 +09:00
blackfin
Documentation/: update 00-INDEX files
2014-02-10 16:01:40 -08:00
block
Documentation/: update 00-INDEX files
2014-02-10 16:01:40 -08:00
blockdev
zram: propagate error to user
2014-04-07 16:36:02 -07:00
bus-devices
…
cdrom
…
cgroups
mm: memcontrol: rewrite uncharge API
2014-08-08 15:57:17 -07:00
connector
w1: optional bundling of netlink kernel replies
2014-05-27 13:56:21 -07:00
console
…
cpu-freq
intel_pstate: Update documentation of {max,min}_perf_pct sysfs files
2014-07-07 01:22:19 +02:00
cpuidle
cpuidle: remove cpuidle_unregister_governor()
2013-10-30 01:21:24 +01:00
cris
…
crypto
drivers/dma: remove unused support for MEMSET operations
2013-07-03 16:07:42 -07:00
development-process
Documentation: development-process: Update -mm and -next URLs
2013-07-25 12:37:24 +02:00
device-mapper
dm switch: efficiently support repetitive patterns
2014-08-01 12:30:37 -04:00
devicetree
spi: orion: support armada extended baud rates
2014-10-01 19:21:51 +01:00
DocBook
drm/doc: Refer to proper source file
2014-08-15 09:50:41 +10:00
driver-model
Documentation: devres: Sort managed interfaces
2014-07-11 17:56:55 -07:00
dvb
[media] get_dvb_firmware: Add firmware extractor for si2165
2014-07-27 17:01:12 -03:00
early-userspace
Documentation: remove reference to 2.7 kernel in early-userspace
2013-08-20 12:47:28 +02:00
EDID
drm: Add 800x600 (SVGA) screen resolution to the built-in EDIDs
2014-05-26 12:53:40 +10:00
extcon
extcon: fix switch class porting guide (Documentation)
2014-01-07 11:54:28 +09:00
fault-injection
…
fb
doc: spelling error changes
2014-05-05 15:32:05 +02:00
filesystems
File locking related bugfixes for v3.17 (pile #2)
2014-08-16 08:58:47 -06:00
firmware_class
doc: fix minor typos in firmware_class README
2014-07-17 18:43:40 -07:00
fmc
FMC: make eeprom attribute writable
2014-02-28 15:12:08 -08:00
frv
…
gpio
gpio: add flags argument to gpiod_get*() functions
2014-07-28 12:28:05 +02:00
hid
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial into next
2014-06-04 08:50:34 -07:00
hwmon
hwmon: Add pwm-fan driver
2014-08-04 07:01:38 -07:00
i2c
i2c: i801: Add device ID for Intel Wildcat Point PCH
2014-07-17 19:56:23 +02:00
i2o
…
ia64
…
ide
Documentation/: update 00-INDEX files
2014-02-10 16:01:40 -08:00
infiniband
IB/mad: add new ioctl to ABI to support new registration options
2014-08-10 20:36:00 -07:00
input
Merge branch 'next' into for-linus
2014-08-06 23:36:12 -07:00
ioctl
Documentation: add How to avoid botching up ioctls
2014-08-09 09:13:40 -07:00
isdn
…
ja_JP
Documentation: Update stable address in Chinese and Japanese translations
2014-04-16 14:13:27 -07:00
kbuild
Merge branch 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
2014-08-14 11:14:29 -06:00
kdump
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
2013-07-04 11:40:58 -07:00
ko_KR
Documentation: HOWTO: Updates on subsystem trees, patchwork, -next (vs. -mm) in ko_KR
2014-01-08 15:32:51 -08:00
laptops
Documentation: Add file about toshiba_haps module
2014-08-16 01:23:56 -07:00
leds
Documentation/: update 00-INDEX files
2014-02-10 16:01:40 -08:00
m68k
Documentation/: update 00-INDEX files
2014-02-10 16:01:40 -08:00
memory-devices
…
metag
…
mic
misc: mic: add support for loading/unloading dma driver
2014-07-11 18:31:12 -07:00
mips
…
misc-devices
Merge branch 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging
2014-01-29 18:56:27 -08:00
mmc
…
mn10300
…
mtd
MTD updates for 3.16:
2014-06-11 08:35:34 -07:00
namespaces
…
netlabel
…
networking
i40e: adds FCoE to build and updates its documentation
2014-08-02 19:41:13 -07:00
nfc
…
parisc
parisc: document the shadow registers
2013-07-09 22:09:19 +02:00
PCI
doc: replace "practise" with "practice" in Documentation
2014-06-19 15:28:56 +02:00
pcmcia
…
phy
phy: Add new Exynos USB 2.0 PHY driver
2014-03-08 12:39:44 +05:30
platform
Documentation: Add list of laptop models supported by the Compal driver
2014-06-10 19:11:06 -04:00
power
ACPI and power management updates for 3.17-rc1
2014-08-06 20:34:19 -07:00
powerpc
KVM: PPC: Remove 440 support
2014-07-28 15:23:15 +02:00
pps
USB: serial: invoke dcd_change ldisc's handler.
2013-09-26 09:45:40 -07:00
prctl
…
pti
…
ptp
ptp: In the testptp utility, use clock_adjtime from glibc when available
2014-06-16 21:32:31 -07:00
rapidio
rapidio/tsi721_dma: rework scatter-gather list handling
2014-08-08 15:57:24 -07:00
RCU
list: fix order of arguments for hlist_add_after(_rcu)
2014-08-06 18:01:24 -07:00
s390
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial into next
2014-06-04 08:50:34 -07:00
scheduler
asm/system.h: clean asm/system.h from docs
2014-04-07 16:36:11 -07:00
scsi
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
2014-08-06 21:03:53 -07:00
security
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
2014-08-06 21:03:53 -07:00
serial
tty/serial: Add GPIOLIB helpers for controlling modem lines
2014-05-28 12:49:14 -07:00
sh
…
sound
ALSA: virtuoso: add Xonar Essence STX II support
2014-08-04 15:20:48 +02:00
spi
Merge remote-tracking branches 'spi/topic/s3c64xx', 'spi/topic/sc18is602', 'spi/topic/sh-hspi', 'spi/topic/sh-msiof', 'spi/topic/sh-sci', 'spi/topic/sirf' and 'spi/topic/spidev' into spi-next
2014-03-30 00:51:34 +00:00
sysctl
panic: add TAINT_SOFTLOCKUP
2014-08-08 15:57:24 -07:00
target
target: Remove TF_CIT_TMPL macro
2013-10-16 13:35:02 -07:00
thermal
drm/nouveau/doc: update the thermal documentation
2014-06-17 14:50:17 +10:00
timers
clocksource: document some basic timekeeping concepts
2014-07-23 15:07:13 -07:00
tpm
drivers/tpm: add xen tpmfront interface
2013-08-09 10:57:06 -04:00
trace
mm: trace-vmscan-postprocess.pl: report the number of file/anon pages respectively
2014-08-06 18:01:20 -07:00
usb
usb: doc: hotplug.txt code typos
2014-07-09 16:05:42 -07:00
vDSO
x86/vdso/doc: Make vDSO examples more portable
2014-06-12 19:01:24 -07:00
video4linux
[media] update cx23885 and em28xx cardlists
2014-07-26 11:55:10 -03:00
virtual
Patch queue for ppc - 2014-08-01
2014-08-05 09:58:11 +02:00
vm
mm: mark remap_file_pages() syscall as deprecated
2014-06-06 16:08:17 -07:00
w1
w1: new w1_ds2406 driver
2014-06-19 17:45:14 -07:00
watchdog
Documentation: fix two typos in watchdog-api.txt
2014-08-05 22:43:21 +02:00
wimax
…
x86
x86/mm: New tunable for single vs full TLB flush
2014-07-31 08:48:51 -07:00
xtensa
xtensa: remap io area defined in device tree
2014-01-15 00:25:14 +04:00
zh_CN
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
2014-08-06 21:03:53 -07:00
.gitignore
…
00-INDEX
Merge branch 'x86-nuke-platforms-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2014-04-02 13:15:58 -07:00
applying-patches.txt
…
assoc_array.txt
KEYS: Fix multiple key add into associative array
2013-12-02 11:24:18 +00:00
atomic_ops.txt
arch,doc: Convert smp_mb__*()
2014-04-18 14:20:48 +02:00
bad_memory.txt
…
basic_profiling.txt
…
bcache.txt
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
2013-07-04 11:40:58 -07:00
binfmt_misc.txt
…
braille-console.txt
…
bt8xxgpio.txt
…
btmrvl.txt
…
BUG-HUNTING
…
bus-virt-phys-mapping.txt
…
cachetlb.txt
Documentation: fix typo and update version in cachetlb.txt
2013-08-20 12:46:52 +02:00
Changes
Documentation/Changes: clean up mcelog paragraph
2014-07-12 11:30:36 -07:00
circular-buffers.txt
documentation: Update circular buffer for load-acquire/store-release
2013-12-03 10:08:57 -08:00
clk.txt
clk: Improve clk_ops documentation
2014-05-12 17:08:33 -07:00
coccinelle.txt
…
CodingStyle
Documentation: expand/clarify debug documentation
2014-06-04 16:54:17 -07:00
cpu-hotplug.txt
Doc/cpu-hotplug: Specify race-free way to register CPU hotplug callbacks
2014-03-20 13:43:40 +01:00
cpu-load.txt
…
cputopology.txt
doc: Documentation/cputopology.txt fix typo
2013-09-04 12:59:47 +02:00
crc32.txt
…
dcdbas.txt
…
debugging-modules.txt
…
debugging-via-ohci1394.txt
firewire: revert to 4 GB RDMA, fix protocols using Memory Space
2014-05-29 15:50:30 +02:00
dell_rbu.txt
…
devices.txt
Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
2014-04-04 09:50:07 -07:00
digsig.txt
…
DMA-API-HOWTO.txt
DMA-API: Update dma_pool_create ()and dma_pool_alloc() descriptions
2014-05-26 17:28:28 -06:00
DMA-API.txt
DMA-API: Capitalize "CPU" consistently
2014-05-26 17:28:27 -06:00
DMA-attributes.txt
doc: spelling error changes
2014-05-05 15:32:05 +02:00
dma-buf-sharing.txt
doc: spelling error changes
2014-05-05 15:32:05 +02:00
DMA-ISA-LPC.txt
DMA-API: Clarify physical/bus address distinction
2014-05-20 16:54:21 -06:00
dmaengine.txt
dmaengine: Clarify device parameter for dma_sync_*_for_*()
2014-07-25 14:21:23 +05:30
dmatest.txt
dmatest: add a 'wait' parameter
2013-11-14 11:04:40 -08:00
dontdiff
Documentation: LLVMLinux: Update Documentation/dontdiff
2014-04-09 13:44:34 -07:00
dynamic-debug-howto.txt
doc: spelling error changes
2014-05-05 15:32:05 +02:00
edac.txt
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial into next
2014-06-04 08:50:34 -07:00
efi-stub.txt
doc: arm64: add description of EFI stub support
2014-04-30 19:57:05 +01:00
eisa.txt
…
email-clients.txt
Documentation: add section about git to email-clients.txt
2014-06-29 13:38:33 -07:00
flexible-arrays.txt
…
futex-requeue-pi.txt
doc: fix double words
2014-03-21 13:16:58 +01:00
gcov.txt
gcov: compile specific gcov implementation based on gcc version
2013-11-13 12:09:34 +09:00
highuid.txt
…
HOWTO
Documentation: HOWTO: Update broken links to tpp
2013-12-10 23:09:08 -08:00
hsi.txt
Documentation: HSI: Add some general description for the HSI subsystem
2014-05-04 09:49:46 +02:00
hw_random.txt
…
hwspinlock.txt
doc: documentation/hwspinlock.txt fix typo
2013-08-27 10:46:02 +02:00
init.txt
…
initrd.txt
…
intel_txt.txt
…
Intel-IOMMU.txt
…
io_ordering.txt
…
io-mapping.txt
doc: fix some typos
2013-12-02 14:48:28 +01:00
iostats.txt
…
IPMI.txt
…
IRQ-affinity.txt
doc: fix a typo about irq affinity
2013-08-20 12:59:18 +02:00
IRQ-domain.txt
genirq: Improve documentation to match current implementation
2014-05-27 10:16:44 +02:00
IRQ.txt
…
irqflags-tracing.txt
asm/system.h: clean asm/system.h from docs
2014-04-07 16:36:11 -07:00
isapnp.txt
…
java.txt
Documentation: update java sample wrapper for java 7
2014-05-25 12:39:00 -07:00
kernel-doc-nano-HOWTO.txt
…
kernel-docs.txt
…
kernel-parameters.txt
Merge branch 'x86-xsave-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2014-08-13 18:20:04 -06:00
kernel-per-CPU-kthreads.txt
Documentation/kernel-per-CPU-kthreads.txt: Workqueue affinity
2014-02-17 14:56:08 -08:00
kmemcheck.txt
doc: fix double words
2014-03-21 13:16:58 +01:00
kmemleak.txt
mm: introduce kmemleak_update_trace()
2014-06-06 16:08:17 -07:00
kobject.txt
kobject: remove kset from sysfs immediately in kset_unregister()
2013-12-07 21:20:11 -08:00
kprobes.txt
kprobes: Introduce NOKPROBE_SYMBOL() macro to maintain kprobes blacklist
2014-04-24 10:02:56 +02:00
kref.txt
…
ldm.txt
…
local_ops.txt
…
lockdep-design.txt
…
lockstat.txt
lockstat: Report avg wait and hold times
2013-10-09 08:19:08 +02:00
lockup-watchdogs.txt
…
logo.gif
…
logo.txt
…
magic-number.txt
Documentation/serial: Delete obsolete driver documentation
2014-04-16 14:20:34 -07:00
Makefile
…
ManagementStyle
…
md.txt
doc: fix some typos in documentations
2013-12-02 14:45:19 +01:00
media-framework.txt
Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
2013-07-13 12:09:57 -07:00
memory-barriers.txt
documentation: Add acquire/release barriers to pairing rules
2014-07-08 08:32:51 -07:00
memory-hotplug.txt
mm, hotplug: probe interface is available on several platforms
2014-06-23 16:47:43 -07:00
module-signing.txt
Nothing major: the stricter permissions checking for sysfs broke
2014-04-06 09:38:07 -07:00
mono.txt
…
mutex-design.txt
locking/mutexes: Documentation update/rewrite
2014-06-05 13:29:37 +02:00
nommu-mmap.txt
…
numastat.txt
…
oops-tracing.txt
panic: add TAINT_SOFTLOCKUP
2014-08-08 15:57:24 -07:00
padata.txt
…
parport-lowlevel.txt
…
parport.txt
…
percpu-rw-semaphore.txt
…
phy.txt
phy: core: Let node ptr of PHY point to PHY and not of PHY provider
2014-07-22 12:46:11 +05:30
pi-futex.txt
…
pinctrl.txt
pinctrl: Fix some typos and grammar issues in the documentation
2014-01-15 13:59:50 +01:00
pnp.txt
…
preempt-locking.txt
…
printk-formats.txt
doc: printk-formats: do not mention casts for u64/s64
2014-05-05 15:32:42 +02:00
pwm.txt
pwm: modify PWM_LOOKUP to initialize all struct pwm_lookup members
2014-05-21 11:19:36 +02:00
ramoops.txt
…
rbtree.txt
doc: spelling error changes
2014-05-05 15:32:05 +02:00
remoteproc.txt
…
rfkill.txt
doc: spelling error changes
2014-05-05 15:32:05 +02:00
robust-futex-ABI.txt
Documentation/robust-futex-API: Count properly to 4
2013-11-30 14:08:28 +01:00
robust-futexes.txt
doc: spelling error changes
2014-05-05 15:32:05 +02:00
rpmsg.txt
…
rt-mutex-design.txt
doc: fix some typos in documentations
2013-12-02 14:45:19 +01:00
rt-mutex.txt
…
rtc.txt
rtc: add ability to push out an existing wakealarm using sysfs
2013-07-03 16:07:54 -07:00
SAK.txt
…
SecurityBugs
…
serial-console.txt
…
sgi-ioc4.txt
…
SM501.txt
…
smsc_ece1099.txt
…
sparse.txt
…
spinlocks.txt
…
stable_api_nonsense.txt
…
stable_kernel_rules.txt
stable_kernel_rules: Add pointer to netdev-FAQ for network patches
2014-07-09 15:54:27 -07:00
static-keys.txt
doc: fix some typos in documentations
2013-12-02 14:45:19 +01:00
SubmitChecklist
…
SubmittingDrivers
doc: SubmittingPatches: remove dead link, kerneltrap.org no longer works
2014-06-19 15:15:27 +02:00
SubmittingPatches
Documentation: SubmittingPatches: overhaul changelog description
2014-08-09 09:13:40 -07:00
svga.txt
…
sysfs-rules.txt
doc: Fix typo in doucmentations
2013-07-25 12:34:15 +02:00
sysrq.txt
sysrq: Allow magic SysRq key functions to be disabled through Kconfig
2013-10-16 13:01:44 -07:00
this_cpu_ops.txt
…
unaligned-memory-access.txt
ether_addr_equal: Optimize implementation, remove unused compare_ether_addr
2013-12-06 16:37:43 -05:00
unicode.txt
…
unshare.txt
…
vfio.txt
drivers/vfio: EEH support for VFIO PCI device
2014-08-05 15:28:48 +10:00
VGA-softcursor.txt
…
vgaarbiter.txt
…
video-output.txt
…
vme_api.txt
VME: Rename vme_slot_get to avoid confusion with reference counting
2013-12-03 11:15:58 -08:00
volatile-considered-harmful.txt
…
workqueue.txt
workqueue: Correct/Drop references to gcwq in Documentation
2013-08-21 10:32:09 -04:00
ww-mutex-design.txt
…
xz.txt
…
zorro.txt
zorro/UAPI: Disintegrate include/linux/zorro*.h
2013-11-26 11:09:08 +01:00