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The Freescale Generic ASoC Sound Card is a general ASoC DAI Link driver that
can be used, ideally, for all Freescale CPU DAI drivers and external CODECs.
The idea of this generic sound card is a bit like ASoC Simple Card. However,
for Freescale SoCs (especially those released in recent years), most of them
have ASRC (Documentation/devicetree/bindings/sound/fsl,asrc.txt) inside. And
this is a specific feature that might be painstakingly controlled and merged
into the Simple Card driver.
So having this driver will allow all Freescale SoC users to benefit from the
simplification to support a new card and the capability of wide sample rates
support through ASRC.
The driver is initially designed for sound card using I2S or PCM DAI formats.
However, it's also possible to merge those non-I2S/PCM type sound cards, such
as S/PDIF audio and HDMI audio, into this card as long as the merge will not
break the original function and as long as there is something redundant that
can be abstracted along with I2S type sound cards.
As an initial version, it only supports three cards that I can test:
imx-audio-cs42888, a new card that links ESAI with CS42888 CODEC
imx-audio-sgtl5000, just like the old imx-sgtl5000.c driver
imx-audio-wm8962, just like the old imx-wm8962.c driver
The driver is also compatible with the old Device Tree bindings of WM8962 and
SGTL5000. So we may consider to remove those two drivers after this driver is
totally enabled. (It needs to be added into defconfig)
Signed-off-by: Nicolin Chen <nicoleotsuka@gmail.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
- new IR driver: hix5hd2-ir
- the virtual test driver (vivi) was replaced by vivid, with has an
almost complete set of features to emulate most v4l2 devices and
properly test all sorts of userspace apps
- the as102 driver had several bugs fixed and was properly split into a
frontend and a core driver. With that, it got promoted from staging
into mainstream
- one new CI driver got added for CIMaX SP2/SP2HF (sp2 driver)
- one new frontend driver for Toshiba ISDB-T/ISDB-S demod (tc90522)
- one new PCI driver for ISDB-T/ISDB-S (pt3 driver)
- saa7134 driver got support for go7007-based devices
- added a new PCI driver for Techwell 68xx chipsets (tw68)
- a new platform driver was added (coda)
- new tuner drivers: mxl301rf and qm1d1c0042
- a new DVB USB driver was added for DVBSky S860 & similar devices
- added a new SDR driver (hackrf)
- usbtv got audio support
- several platform drivers are now compiled with COMPILE_TEST
- a series of compiler fixup patches, making sparse/spatch happier with
the media stuff and removing several warnings, especially on those
platform drivers that didn't use to compile on x86
- Support for several new modern devices got added
- lots of other fixes, improvements and cleanups
* tag 'media/v3.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (544 commits)
[media] ir-hix5hd2: fix build on c6x arch
[media] pt3: fix DTV FE I2C driver load error paths
Revert "[media] media: em28xx - remove reset_resume interface"
[media] exynos4-is: fix some warnings when compiling on arm64
[media] usb drivers: use %zu instead of %zd
[media] pci drivers: use %zu instead of %zd
[media] dvb-frontends: use %zu instead of %zd
[media] s5p-mfc: Fix several printk warnings
[media] s5p_mfc_opr: Fix warnings
[media] ti-vpe: Fix typecast
[media] s3c-camif: fix dma_addr_t printks
[media] s5p_mfc_opr_v6: get rid of warnings when compiled with 64 bits
[media] s5p_mfc_opr_v5: Fix lots of warnings on x86_64
[media] em28xx: Fix identation
[media] drxd: remove a dead code
[media] saa7146: remove return after BUG()
[media] cx88: remove return after BUG()
[media] cx88: fix cards table CodingStyle
[media] radio-sf16fmr2: declare some structs as static
[media] radio-sf16fmi: declare pnp_attached as static
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* patchwork: (544 commits)
[media] ir-hix5hd2: fix build on c6x arch
[media] pt3: fix DTV FE I2C driver load error paths
Revert "[media] media: em28xx - remove reset_resume interface"
[media] exynos4-is: fix some warnings when compiling on arm64
[media] usb drivers: use %zu instead of %zd
[media] pci drivers: use %zu instead of %zd
[media] dvb-frontends: use %zu instead of %zd
[media] s5p-mfc: Fix several printk warnings
[media] s5p_mfc_opr: Fix warnings
[media] ti-vpe: Fix typecast
[media] s3c-camif: fix dma_addr_t printks
[media] s5p_mfc_opr_v6: get rid of warnings when compiled with 64 bits
[media] s5p_mfc_opr_v5: Fix lots of warnings on x86_64
[media] em28xx: Fix identation
[media] drxd: remove a dead code
[media] saa7146: remove return after BUG()
[media] cx88: remove return after BUG()
[media] cx88: fix cards table CodingStyle
[media] radio-sf16fmr2: declare some structs as static
[media] radio-sf16fmi: declare pnp_attached as static
...
Conflicts:
Documentation/DocBook/media/v4l/compat.xml
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Signed-off-by: Guoxiong Yan <yanguoxiong@huawei.com>
Signed-off-by: Zhangfei Gao <zhangfei.gao@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon updates from Guenter Roeck:
- new driver for menf21bmc.
- convert k10temp, smsc47b397, da9052, da9055 to new hwmon API.
- register ntc_thermistor driver with thermal subsystem.
- add support for F15h M60h to k10temp driver.
- add driver for MEN14F021P00 BMC HWMON driver; this required a merge
with tag mfd-hwmon-leds-watchdog-v3.18
* tag 'hwmon-for-linus-v3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
hwmon: (ab8500) Call kernel_power_off instead of pm_power_off
hwmon: (menf21bmc) Introduce MEN14F021P00 BMC HWMON driver
leds: leds-menf21bmc: Introduce MEN 14F021P00 BMC LED driver
watchdog: menf21bmc_wdt: Introduce MEN 14F021P00 BMC Watchdog driver
mfd: menf21bmc: Introduce MEN 14F021P00 BMC MFD Core driver
hwmon: (ntc_thermistor) Add ntc thermistor to thermal subsystem as a sensor.
hwmon: (smsc47b397) Convert to devm_hwmon_device_register_with_groups
MAINTAINERS: add entry for the PWM fan driver
hwmon: (k10temp) Convert to devm_hwmon_device_register_with_groups
hwmon: (k10temp) Add support for F15h M60h
hwmon: (da9052) Convert to devm_hwmon_device_register_with_groups
hwmon: (da9055) Convert to devm_hwmon_device_register_with_groups
hwmon: (ads1015) Use of_property_read_u32 at appropriate places
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To get more comprehensive and integrated thermal management, it adds ntc
thermistor to thermal framework as a thermal sensor. It's governed thermal
susbsystem only if it is described in DT node. Otherwise, it just notifies
temperature to userspace via sysfs as it used to be.
Signed-off-by: Jonghwa Lee <jonghwa3.lee@samsung.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata
Pull libata update from Tejun Heo:
"AHCI is getting per-port irq handling and locks for better
scalability. The gain is not huge but measureable with multiple high
iops devices connected to the same host; however, the value of
threaded IRQ handling seems negligible for AHCI and it likely will
revert to non-threaded handling soon.
Another noteworthy change is George Spelvin's "libata: Un-break ATA
blacklist". During 3.17 devel cycle, the libata blacklist glob
matching got generalized and rewritten; unfortunately, the patch
forgot to swap arguments to match the new match function and ended up
breaking blacklist matching completely. It got noticed only a couple
days ago so it couldn't make for-3.17-fixes either. :(
Other than the above two, nothing too interesting - the usual cleanup
churns and device-specific changes"
* 'for-3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata: (22 commits)
pata_serverworks: disable 64-KB DMA transfers on Broadcom OSB4 IDE Controller
libata: Un-break ATA blacklist
AHCI: Do not acquire ata_host::lock from single IRQ handler
AHCI: Optimize single IRQ interrupt processing
AHCI: Do not read HOST_IRQ_STAT reg in multi-MSI mode
AHCI: Make few function names more descriptive
AHCI: Move host activation code into ahci_host_activate()
AHCI: Move ahci_host_activate() function to libahci.c
AHCI: Pass SCSI host template as arg to ahci_host_activate()
ata: pata_imx: Use the SIMPLE_DEV_PM_OPS() macro
AHCI: Cleanup checking of multiple MSIs/SLM modes
libata-sff: Fix controllers with no ctl port
ahci_xgene: Fix the error print invalid resource for APM X-Gene SoC AHCI SATA Host Controller driver.
libata: change ata_<foo>_printk routines to return void
ata: qcom: Add device tree bindings information
ahci-platform: Bump max number of clocks to 5
ahci: ahci_p5wdh_workaround - constify DMI table
libahci_platform: Staticize ahci_platform_<en/dis>able_phys()
pata_platform: Remove useless irq_flags field
pata_of_platform: Remove "electra-ide" quirk
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Add device tree binding for Qualcomm AHCI SATA controller and specifically
the sata controller on the IPQ806x family of SoCs.
We can utilize the "generic-ahci" platform driver with the addition of the
sata phy to enable SATA support on Qualcomm SoCs with AHCI controllers.
Signed-off-by: Kumar Gala <galak@codeaurora.org>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI and power management updates from Rafael Wysocki:
"Features-wise, to me the most important this time is a rework of
wakeup interrupts handling in the core that makes them work
consistently across all of the available sleep states, including
suspend-to-idle. Many thanks to Thomas Gleixner for his help with
this work.
Second is an update of the generic PM domains code that has been in
need of some care for quite a while. Unused code is being removed, DT
support is being added and domains are now going to be attached to
devices in bus type code in analogy with the ACPI PM domain. The
majority of work here was done by Ulf Hansson who also has been the
most active developer this time.
Apart from this we have a traditional ACPICA update, this time to
upstream version 20140828 and a few ACPI wakeup interrupts handling
patches on top of the general rework mentioned above. There also are
several cpufreq commits including renaming the cpufreq-cpu0 driver to
cpufreq-dt, as this is what implements generic DT-based cpufreq
support, and a new DT-based idle states infrastructure for cpuidle.
In addition to that, the ACPI LPSS driver is updated, ACPI support for
Apple machines is improved, a few bugs are fixed and a few cleanups
are made all over.
Finally, the Adaptive Voltage Scaling (AVS) subsystem now has a tree
maintained by Kevin Hilman that will be merged through the PM tree.
Numbers-wise, the generic PM domains update takes the lead this time
with 32 non-merge commits, second is cpufreq (15 commits) and the 3rd
place goes to the wakeup interrupts handling rework (13 commits).
Specifics:
- Rework the handling of wakeup IRQs by the IRQ core such that all of
them will be switched over to "wakeup" mode in suspend_device_irqs()
and in that mode the first interrupt will abort system suspend in
progress or wake up the system if already in suspend-to-idle (or
equivalent) without executing any interrupt handlers. Among other
things that eliminates the wakeup-related motivation to use the
IRQF_NO_SUSPEND interrupt flag with interrupts which don't really
need it and should not use it (Thomas Gleixner and Rafael Wysocki)
- Switch over ACPI to handling wakeup interrupts with the help of the
new mechanism introduced by the above IRQ core rework (Rafael Wysocki)
- Rework the core generic PM domains code to eliminate code that's
not used, add DT support and add a generic mechanism by which
devices can be added to PM domains automatically during enumeration
(Ulf Hansson, Geert Uytterhoeven and Tomasz Figa).
- Add debugfs-based mechanics for debugging generic PM domains
(Maciej Matraszek).
- ACPICA update to upstream version 20140828. Included are updates
related to the SRAT and GTDT tables and the _PSx methods are in the
METHOD_NAME list now (Bob Moore and Hanjun Guo).
- Add _OSI("Darwin") support to the ACPI core (unfortunately, that
can't really be done in a straightforward way) to prevent
Thunderbolt from being turned off on Apple systems after boot (or
after resume from system suspend) and rework the ACPI Smart Battery
Subsystem (SBS) driver to work correctly with Apple platforms
(Matthew Garrett and Andreas Noever).
- ACPI LPSS (Low-Power Subsystem) driver update cleaning up the code,
adding support for 133MHz I2C source clock on Intel Baytrail to it
and making it avoid using UART RTS override with Auto Flow Control
(Heikki Krogerus).
- ACPI backlight updates removing the video_set_use_native_backlight
quirk which is not necessary any more, making the code check the
list of output devices returned by the _DOD method to avoid
creating acpi_video interfaces that won't work and adding a quirk
for Lenovo Ideapad Z570 (Hans de Goede, Aaron Lu and Stepan Bujnak)
- New Win8 ACPI OSI quirks for some Dell laptops (Edward Lin)
- Assorted ACPI code cleanups (Fabian Frederick, Rasmus Villemoes,
Sudip Mukherjee, Yijing Wang, and Zhang Rui)
- cpufreq core updates and cleanups (Viresh Kumar, Preeti U Murthy,
Rasmus Villemoes)
- cpufreq driver updates: cpufreq-cpu0/cpufreq-dt (driver name change
among other things), ppc-corenet, powernv (Viresh Kumar, Preeti U
Murthy, Shilpasri G Bhat, Lucas Stach)
- cpuidle support for DT-based idle states infrastructure, new ARM64
cpuidle driver, cpuidle core cleanups (Lorenzo Pieralisi, Rasmus
Villemoes)
- ARM big.LITTLE cpuidle driver updates: support for DT-based
initialization and Exynos5800 compatible string (Lorenzo Pieralisi,
Kevin Hilman)
- Rework of the test_suspend kernel command line argument and a new
trace event for console resume (Srinivas Pandruvada, Todd E Brandt)
- Second attempt to optimize swsusp_free() (hibernation core) to make
it avoid going through all PFNs which may be way too slow on some
systems (Joerg Roedel)
- devfreq updates (Paul Bolle, Punit Agrawal, Ãrjan Eide).
- rockchip-io Adaptive Voltage Scaling (AVS) driver and AVS entry
update in MAINTAINERS (Heiko Stübner, Kevin Hilman)
- PM core fix related to clock management (Geert Uytterhoeven)
- PM core's sysfs code cleanup (Johannes Berg)"
* tag 'pm+acpi-3.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (105 commits)
ACPI / fan: printk replacement
PM / clk: Fix crash in clocks management code if !CONFIG_PM_RUNTIME
PM / Domains: Rename cpu_data to cpuidle_data
cpufreq: cpufreq-dt: fix potential double put of cpu OF node
cpufreq: cpu0: rename driver and internals to 'cpufreq_dt'
PM / hibernate: Iterate over set bits instead of PFNs in swsusp_free()
cpufreq: ppc-corenet: remove duplicate update of cpu_data
ACPI / sleep: Rework the handling of ACPI GPE wakeup from suspend-to-idle
PM / sleep: Rename platform suspend/resume functions in suspend.c
PM / sleep: Export dpm_suspend_late/noirq() and dpm_resume_early/noirq()
ACPICA: Introduce acpi_enable_all_wakeup_gpes()
ACPICA: Clear all non-wakeup GPEs in acpi_hw_enable_wakeup_gpe_block()
ACPI / video: check _DOD list when creating backlight devices
PM / Domains: Move dev_pm_domain_attach|detach() to pm_domain.h
cpufreq: Replace strnicmp with strncasecmp
cpufreq: powernv: Set the cpus to nominal frequency during reboot/kexec
cpufreq: powernv: Set the pstate of the last hotplugged out cpu in policy->cpus to minimum
cpufreq: Allow stop CPU callback to be used by all cpufreq drivers
PM / devfreq: exynos: Enable building exynos PPMU as module
PM / devfreq: Export helper functions for drivers
...
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* pm-avs:
MAINTAINERS: update entry for drivers/power/avs
PM / AVS: rockchip-io: add driver handling Rockchip io domains
regulator: core: Add REGULATOR_EVENT_PRE_VOLTAGE_CHANGE (and ABORT)
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git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux into pm-avs
Pull AVS changes for v3.18 from Kevin Hilman:
- Add new driver for Rockchip IO voltage domains
- update MAINTAINERS to reflect maintenance of drivers/power/avs/*
* tag 'avs-for-3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux:
MAINTAINERS: update entry for drivers/power/avs
PM / AVS: rockchip-io: add driver handling Rockchip io domains
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IO domain voltages on some Rockchip SoCs are variable but need to be
kept in sync between the regulators and the SoC using a special
register.
A specific example using rk3288:
- If the regulator hooked up to a pin like SDMMC0_VDD is 3.3V then
bit 7 of GRF_IO_VSEL needs to be 0. If the regulator hooked up to
that same pin is 1.8V then bit 7 of GRF_IO_VSEL needs to be 1.
Said another way, this driver simply handles keeping bits in the SoC's
general register file (GRF) in sync with the actual value of a voltage
hooked up to the pins.
Note that this driver specifically doesn't include:
- any logic for deciding what voltage we should set regulators to
- any logic for deciding whether regulators (or internal SoC blocks)
should have power or not have power
If there were some other software that had the smarts of making
decisions about regulators, it would work in conjunction with this
driver. When that other software adjusted a regulator's voltage then
this driver would handle telling the SoC about it. A good example is
vqmmc for SD. In that case the dw_mmc driver simply is told about a
regulator. It changes the regulator between 3.3V and 1.8V at the
right time. This driver notices the change and makes sure that the
SoC is on the same page.
Signed-off-by: Heiko Stübner <heiko@sntech.de>
Signed-off-by: Doug Anderson <dianders@chromium.org>
Reviewed-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
[khilman: fix compiler warnings]
Signed-off-by: Kevin Hilman <khilman@linaro.org>
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* pm-cpufreq:
cpufreq: cpufreq-dt: fix potential double put of cpu OF node
cpufreq: cpu0: rename driver and internals to 'cpufreq_dt'
cpufreq: ppc-corenet: remove duplicate update of cpu_data
cpufreq: Replace strnicmp with strncasecmp
cpufreq: powernv: Set the cpus to nominal frequency during reboot/kexec
cpufreq: powernv: Set the pstate of the last hotplugged out cpu in policy->cpus to minimum
cpufreq: Allow stop CPU callback to be used by all cpufreq drivers
cpufreq: cpu0: Make allocate_resources() work for any CPU
cpufreq: cpu0: try regulators with name "cpu-supply"
cpufreq: cpu0: Move per-cluster initialization code to ->init()
cpufreq: cpu0: use dev_{err|warn|dbg} instead of pr_{err|warn|debug}
cpufreq: cpu0: print relevant error when we defer probe
cpufreq: cpu0: don't validate clock on clk_put()
cpufreq: cpu0: Update Module Author
cpufreq: Add support for per-policy driver data
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The naming convention of this driver was always under the scanner, people
complained that it should have a more generic name than cpu0, as it manages all
CPUs that are sharing clock lines.
Also, in future it will be modified to support any number of clusters with
separate clock/voltage lines.
Lets rename it to 'cpufreq_dt' from 'cpufreq_cpu0'.
Tested-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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* pm-cpuidle:
drivers: cpuidle: initialize big.LITTLE driver through DT
drivers: cpuidle: CPU idle ARM64 driver
drivers: cpuidle: implement DT based idle states infrastructure
cpuidle: big.LITTLE: add Exynos5800 compatible string
cpuidle: Replace strnicmp with strncasecmp
arm64: add PSCI CPU_SUSPEND based cpu_suspend support
arm64: kernel: introduce cpu_init_idle CPU operation
arm64: kernel: refactor the CPU suspend API for retention states
Documentation: arm: define DT idle states bindings
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git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux into cpuidle/3.18
These are the specific changes for ARM64 to make it possible to integrate the
DT based generic cpuidle driver in this tree.
It contains:
* The documentation for the DT definitions for ARM
* The refactoring of the cpu_suspend function for ARM64
* Introduce the cpu_idle_init function for ARM64
* Add the PSCI CPU SUSPEND based on the previous changes on cpu_suspend
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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* pm-domains: (32 commits)
PM / Domains: Rename cpu_data to cpuidle_data
PM / Domains: Move dev_pm_domain_attach|detach() to pm_domain.h
PM / Domains: Remove legacy API for adding devices through DT
PM / Domains: Add genpd attach/detach callbacks
PM / Domains: add debugfs listing of struct generic_pm_domain-s
ACPI / PM: Convert acpi_dev_pm_detach() into a static function
ARM: exynos: Move to generic PM domain DT bindings
amba: Add support for attach/detach of PM domains
spi: core: Convert to dev_pm_domain_attach|detach()
mmc: sdio: Convert to dev_pm_domain_attach|detach()
i2c: core: Convert to dev_pm_domain_attach|detach()
drivercore / platform: Convert to dev_pm_domain_attach|detach()
PM / Domains: Add APIs to attach/detach a PM domain for a device
PM / Domains: Add generic OF-based PM domain look-up
ACPI / PM: Assign the ->detach() callback when attaching the PM domain
PM / Domains: Add a detach callback to the struct dev_pm_domain
PM / domains: Spelling s/domian/domain/
PM / domains: Keep declaration of dev_power_governors together
PM / domains: Remove default_stop_ok() API
drivers: sh: Leave disabling of unused PM domains to genpd
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This patch moves Exynos PM domain code to use the new generic PM domain
look-up framework introduced in previous patches, thus also allowing
the new code to be compiled with CONFIG_ARCH_EXYNOS.
This patch was originally submitted by Tomasz Figa when he was employed
by Samsung.
Link: http://marc.info/?l=linux-pm&m=139955336002083&w=2
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Kevin Hilman <khilman@linaro.org>
Reviewed-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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This patch introduces generic code to perform PM domain look-up using
device tree and automatically bind devices to their PM domains.
Generic device tree bindings are introduced to specify PM domains of
devices in their device tree nodes.
Backwards compatibility with legacy Samsung-specific PM domain bindings
is provided, but for now the new code is not compiled when
CONFIG_ARCH_EXYNOS is selected to avoid collision with legacy code.
This will change as soon as the Exynos PM domain code gets converted to
use the generic framework in further patch.
This patch was originally submitted by Tomasz Figa when he was employed
by Samsung.
Link: http://marc.info/?l=linux-pm&m=139955349702152&w=2
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Tested-by: Philipp Zabel <p.zabel@pengutronix.de>
Reviewed-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI updates from Bjorn Helgaas:
"The interesting things here are:
- Turn on Config Request Retry Status Software Visibility. This
caused hangs last time, but we included a fix this time.
- Rework PCI device configuration to use _HPP/_HPX more aggressively
- Allow PCI devices to be put into D3cold during system suspend
- Add arm64 PCI support
- Add APM X-Gene host bridge driver
- Add TI Keystone host bridge driver
- Add Xilinx AXI host bridge driver
More detailed summary:
Enumeration
- Check Vendor ID only for Config Request Retry Status (Rajat Jain)
- Enable Config Request Retry Status when supported (Rajat Jain)
- Add generic domain handling (Catalin Marinas)
- Generate uppercase hex for modalias interface class (Ricardo Ribalda Delgado)
Resource management
- Add missing MEM_64 mask in pci_assign_unassigned_bridge_resources() (Yinghai Lu)
- Increase IBM ipr SAS Crocodile BARs to at least system page size (Douglas Lehr)
PCI device hotplug
- Prevent NULL dereference during pciehp probe (Andreas Noever)
- Move _HPP & _HPX handling into core (Bjorn Helgaas)
- Apply _HPP to PCIe devices as well as PCI (Bjorn Helgaas)
- Apply _HPP/_HPX to display devices (Bjorn Helgaas)
- Preserve SERR & PARITY settings when applying _HPP/_HPX (Bjorn Helgaas)
- Preserve MPS and MRRS settings when applying _HPP/_HPX (Bjorn Helgaas)
- Apply _HPP/_HPX to all devices, not just hot-added ones (Bjorn Helgaas)
- Fix wait time in pciehp timeout message (Yinghai Lu)
- Add more pciehp Slot Control debug output (Yinghai Lu)
- Stop disabling pciehp notifications during init (Yinghai Lu)
MSI
- Remove arch_msi_check_device() (Alexander Gordeev)
- Rename pci_msi_check_device() to pci_msi_supported() (Alexander Gordeev)
- Move D0 check into pci_msi_check_device() (Alexander Gordeev)
- Remove unused kobject from struct msi_desc (Yijing Wang)
- Remove "pos" from the struct msi_desc msi_attrib (Yijing Wang)
- Add "msi_bus" sysfs MSI/MSI-X control for endpoints (Yijing Wang)
- Use __get_cached_msi_msg() instead of get_cached_msi_msg() (Yijing Wang)
- Use __read_msi_msg() instead of read_msi_msg() (Yijing Wang)
- Use __write_msi_msg() instead of write_msi_msg() (Yijing Wang)
Power management
- Drop unused runtime PM support code for PCIe ports (Rafael J. Wysocki)
- Allow PCI devices to be put into D3cold during system suspend (Rafael J. Wysocki)
AER
- Add additional AER error strings (Gong Chen)
- Make <linux/aer.h> standalone includable (Thierry Reding)
Virtualization
- Add ACS quirk for Solarflare SFC9120 & SFC9140 (Alex Williamson)
- Add ACS quirk for Intel 10G NICs (Alex Williamson)
- Add ACS quirk for AMD A88X southbridge (Marti Raudsepp)
- Remove unused pci_find_upstream_pcie_bridge(), pci_get_dma_source() (Alex Williamson)
- Add device flag helpers (Ethan Zhao)
- Assume all Mellanox devices have broken INTx masking (Gavin Shan)
Generic host bridge driver
- Fix ioport_map() for !CONFIG_GENERIC_IOMAP (Liviu Dudau)
- Add pci_register_io_range() and pci_pio_to_address() (Liviu Dudau)
- Define PCI_IOBASE as the base of virtual PCI IO space (Liviu Dudau)
- Fix the conversion of IO ranges into IO resources (Liviu Dudau)
- Add pci_get_new_domain_nr() and of_get_pci_domain_nr() (Liviu Dudau)
- Add support for parsing PCI host bridge resources from DT (Liviu Dudau)
- Add pci_remap_iospace() to map bus I/O resources (Liviu Dudau)
- Add arm64 architectural support for PCI (Liviu Dudau)
APM X-Gene
- Add APM X-Gene PCIe driver (Tanmay Inamdar)
- Add arm64 DT APM X-Gene PCIe device tree nodes (Tanmay Inamdar)
Freescale i.MX6
- Probe in module_init(), not fs_initcall() (Lucas Stach)
- Delay enabling reference clock for SS until it stabilizes (Tim Harvey)
Marvell MVEBU
- Fix uninitialized variable in mvebu_get_tgt_attr() (Thomas Petazzoni)
NVIDIA Tegra
- Make sure the PCIe PLL is really reset (Eric Yuen)
- Add error path tegra_msi_teardown_irq() cleanup (Jisheng Zhang)
- Fix extended configuration space mapping (Peter Daifuku)
- Implement resource hierarchy (Thierry Reding)
- Clear CLKREQ# enable on port disable (Thierry Reding)
- Add Tegra124 support (Thierry Reding)
ST Microelectronics SPEAr13xx
- Pass config resource through reg property (Pratyush Anand)
Synopsys DesignWare
- Use NULL instead of false (Fabio Estevam)
- Parse bus-range property from devicetree (Lucas Stach)
- Use pci_create_root_bus() instead of pci_scan_root_bus() (Lucas Stach)
- Remove pci_assign_unassigned_resources() (Lucas Stach)
- Check private_data validity in single place (Lucas Stach)
- Setup and clear exactly one MSI at a time (Lucas Stach)
- Remove open-coded bitmap operations (Lucas Stach)
- Fix configuration base address when using 'reg' (Minghuan Lian)
- Fix IO resource end address calculation (Minghuan Lian)
- Rename get_msi_data() to get_msi_addr() (Minghuan Lian)
- Add get_msi_data() to pcie_host_ops (Minghuan Lian)
- Add support for v3.65 hardware (Murali Karicheri)
- Fold struct pcie_port_info into struct pcie_port (Pratyush Anand)
TI Keystone
- Add TI Keystone PCIe driver (Murali Karicheri)
- Limit MRSS for all downstream devices (Murali Karicheri)
- Assume controller is already in RC mode (Murali Karicheri)
- Set device ID based on SoC to support multiple ports (Murali Karicheri)
Xilinx AXI
- Add Xilinx AXI PCIe driver (Srikanth Thokala)
- Fix xilinx_pcie_assign_msi() return value test (Dan Carpenter)
Miscellaneous
- Clean up whitespace (Quentin Lambert)
- Remove assignments from "if" conditions (Quentin Lambert)
- Move PCI_VENDOR_ID_VMWARE to pci_ids.h (Francesco Ruggeri)
- x86: Mark DMI tables as initialization data (Mathias Krause)
- x86: Move __init annotation to the correct place (Mathias Krause)
- x86: Mark constants of pci_mmcfg_nvidia_mcp55() as __initconst (Mathias Krause)
- x86: Constify pci_mmcfg_probes[] array (Mathias Krause)
- x86: Mark PCI BIOS initialization code as such (Mathias Krause)
- Parenthesize PCI_DEVID and PCI_VPD_LRDT_ID parameters (Megan Kamiya)
- Remove unnecessary variable in pci_add_dynid() (Tobias Klauser)"
* tag 'pci-v3.18-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (109 commits)
arm64: dts: Add APM X-Gene PCIe device tree nodes
PCI: Add ACS quirk for AMD A88X southbridge devices
PCI: xgene: Add APM X-Gene PCIe driver
PCI: designware: Remove open-coded bitmap operations
PCI/MSI: Remove unnecessary temporary variable
PCI/MSI: Use __write_msi_msg() instead of write_msi_msg()
MSI/powerpc: Use __read_msi_msg() instead of read_msi_msg()
PCI/MSI: Use __get_cached_msi_msg() instead of get_cached_msi_msg()
PCI/MSI: Add "msi_bus" sysfs MSI/MSI-X control for endpoints
PCI/MSI: Remove "pos" from the struct msi_desc msi_attrib
PCI/MSI: Remove unused kobject from struct msi_desc
PCI/MSI: Rename pci_msi_check_device() to pci_msi_supported()
PCI/MSI: Move D0 check into pci_msi_check_device()
PCI/MSI: Remove arch_msi_check_device()
irqchip: armada-370-xp: Remove arch_msi_check_device()
PCI/MSI/PPC: Remove arch_msi_check_device()
arm64: Add architectural support for PCI
PCI: Add pci_remap_iospace() to map bus I/O resources
of/pci: Add support for parsing PCI host bridge resources from DT
of/pci: Add pci_get_new_domain_nr() and of_get_pci_domain_nr()
...
Conflicts:
arch/arm64/boot/dts/apm-storm.dtsi
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* pci/host-xgene:
arm64: dts: Add APM X-Gene PCIe device tree nodes
PCI: xgene: Add APM X-Gene PCIe driver
Conflicts:
drivers/pci/host/Kconfig
drivers/pci/host/Makefile
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Add the AppliedMicro X-Gene SOC PCIe host controller driver. The X-Gene
PCIe controller supports up to 8 lanes and GEN3 speed. The X-Gene SOC
supports up to 5 PCIe ports.
[bhelgaas: folded in MAINTAINERS and bindings updates]
Tested-by: Ming Lei <ming.lei@canonical.com>
Tested-by: Dann Frazier <dann.frazier@canonical.com>
Signed-off-by: Tanmay Inamdar <tinamdar@apm.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Liviu Dudau <Liviu.Dudau@arm.com> (driver)
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'pci/host-tegra' and 'pci/host-xilinx' into next
* pci/host-designware:
PCI: designware: Fold struct pcie_port_info into struct pcie_port
* pci/host-imx6:
PCI: imx6: Delay enabling reference clock for SS until it stabilizes
* pci/host-keystone:
PCI: keystone: Set device ID based on SoC to support multiple ports
PCI: keystone: Assume controller is already in RC mode
PCI: keystone: Limit MRSS for all downstream devices
* pci/host-tegra:
PCI: tegra: Add Tegra124 support
PCI: tegra: Make sure the PCIe PLL is really reset
PCI: tegra: Fix extended configuration space mapping
PCI: tegra: Clear CLKREQ# enable on port disable
* pci/host-xilinx:
PCI: xilinx: Fix xilinx_pcie_assign_msi() return value test
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The PCIe controller on Tegra124 has two root ports that can be used in a
x4/x1 or x2/x1 configuration and can run at PCIe 2.0 link speeds (up to
5 GT/s). The PHY programming has been moved into a separate controller, so
the driver now needs to request an external PHY referenced using the device
tree.
Tested-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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Keystone PCI hardware supports both RC and EP modes and devcfg register has
bits to boot strap the device to either of these modes. It seems proper to
add this functionality to the boot loader rather than in the driver as
device will be operating in either mode, not both any time. Currently the
driver supports only RC mode and hence register configuration in the driver
is not needed and the driver can assume the hardware is in RC mode.
Also update the DT documentation accordingly.
Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
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Keystone PCIe controller has a limitation that memory read request size
must not exceed 256 bytes. This is a hardware limitation. Add a quirk to
force this limit on all downstream devices by updating MRRS.
Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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'pci/host-keystone', 'pci/host-tegra' and 'pci/host-xilinx' into next
* pci/misc:
PCI/AER: Make <linux/aer.h> standalone includable
PCI: Remove unnecessary variable in pci_add_dynid()
* pci/pm:
PCI/PM: Allow PCI devices to be put into D3cold during system suspend
PCI/PM: Drop unused runtime PM support code for PCIe ports
* pci/host-designware:
PCI: designware: Check private_data validity in single place
PCI: designware: Remove pci_assign_unassigned_resources() from dw_pcie_host_init()
PCI: designware: Use pci_create_root_bus() instead of pci_scan_root_bus()
PCI: designware: Parse bus-range property from devicetree
PCI: designware: Add support for v3.65 hardware
* pci/host-imx6:
PCI: imx6: Probe in module_init(), not fs_initcall()
PCI: designware: Remove pci_assign_unassigned_resources() from dw_pcie_host_init()
PCI: designware: Use pci_create_root_bus() instead of pci_scan_root_bus()
PCI: designware: Parse bus-range property from devicetree
PCI: imx6: Put LTSSM in "Detect" state before disabling it
MAINTAINERS: Add Lucas Stach as co-maintainer for i.MX6 PCI driver
PCI: designware: Add support for v3.65 hardware
* pci/host-keystone:
PCI: keystone: Add TI Keystone PCIe driver
PCI: designware: Add support for v3.65 hardware
* pci/host-tegra:
PCI: tegra: Implement a proper resource hierarchy
PCI: tegra: Add missing cleanup in error path and tegra_msi_teardown_irq()
resources: Add device-managed request/release_resource()
* pci/host-xilinx:
PCI: xilinx: Add Xilinx AXI PCIe Host Bridge IP driver
Conflicts:
drivers/pci/host/Kconfig
drivers/pci/host/Makefile
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This is the driver for Xilinx AXI PCIe Host Bridge Soft IP.
[bhelgaas: minor whitespace fixes]
Signed-off-by: Srikanth Thokala <sthokal@xilinx.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
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The Keystone PCIe controller is based on v3.65 version of the Designware
h/w. Main differences are:
1. No ATU support
2. Legacy and MSI IRQ functions are implemented in application register
space
3. MSI interrupts are multiplexed over 8 IRQ lines to the Host side.
All of the application register space handing code is organized into
pci-keystone-dw.c and the functions are called from pci-keystone.c to
implement PCI controller driver. Also add necessary DT documentation and
update the MAINTAINERS file for the driver.
[bhelgaas: spelling and whitespace fixes]
Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
CC: Russell King <linux@arm.linux.org.uk>
CC: Grant Likely <grant.likely@linaro.org>
CC: Rob Herring <robh+dt@kernel.org>
CC: Mohit Kumar <mohit.kumar@st.com>
CC: Pratyush Anand <pratyush.anand@st.com>
CC: Jingoo Han <jg1.han@samsung.com>
CC: Richard Zhu <r65037@freescale.com>
CC: Kishon Vijay Abraham I <kishon@ti.com>
CC: Marek Vasut <marex@denx.de>
CC: Arnd Bergmann <arnd@arndb.de>
CC: Pawel Moll <pawel.moll@arm.com>
CC: Mark Rutland <mark.rutland@arm.com>
CC: Ian Campbell <ijc+devicetree@hellion.org.uk>
CC: Kumar Gala <galak@codeaurora.org>
CC: Randy Dunlap <rdunlap@infradead.org>
CC: Grant Likely <grant.likely@linaro.org>
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This allows to explicitly specify the covered bus numbers in the
devicetree, which will come in handy once we see a SoC with more than one
PCIe host controller instance.
Previously the driver relied on the behavior of pci_scan_root_bus() to fill
in a range of 0x00-0xff if no valid range was found. We fall back to the
same range if no valid DT entry was found to keep backwards compatibility,
but now do it explicitly.
[bhelgaas: use %pR in error message to avoid duplication]
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Pratyush Anand <pratyush.anand@st.com>
Acked-by: Mohit Kumar <mohit.kumar@st.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO changes from Linus Walleij:
"This is the bulk of GPIO changes for the v3.18 development cycle:
- Increase the default ARCH_NR_GPIO from 256 to 512. This was done
to avoid having a custom <asm/gpio.h> header for the x86
architecture - GPIO is custom and complicated enough as it is
already! We want to move to a radix to store the descriptors going
forward, and finally get rid of this fixed array size altogether.
- Endgame patching of the gpio_remove() semantics initiated by
Abdoulaye Berthe. It is not accepted by the system that the
removal of a GPIO chip fails during eg reboot or shutdown, and
therefore the return value has now painfully been refactored away.
For special cases like GPIO expanders on a hot-pluggable bus like
USB, we may later add some gpiochip_try_remove() call, but for the
cases we have now, return values are moot.
- Some incremental refactoring of the gpiolib core and ACPI GPIO
library for more descriptor usage.
- Refactor the chained IRQ handler set-up method to handle also
threaded, nested interrupts and set up the parent IRQ correctly.
Switch STMPE and TC3589x drivers to use this registration method.
- Add a .irq_not_threaded flag to the struct gpio_chip, so that also
GPIO expanders that block but are still not using threaded IRQ
handlers.
- New drivers for the ARM64 X-Gene SoC GPIO controller.
- The syscon GPIO driver has been improved to handle the "DSP GPIO"
found on the TI Keystone 2 SoC:s.
- ADNP driver switched to use gpiolib irqchip helpers.
- Refactor the DWAPB driver to support being instantiated from and
MFD cell (platform device).
- Incremental feature improvement in the Zynq, MCP23S08, DWAPB, OMAP,
Xilinx and Crystalcove drivers.
- Various minor fixes"
* tag 'gpio-v3.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (52 commits)
gpio: pch: Build context save/restore only for PM
pinctrl: abx500: get rid of unused variable
gpio: ks8695: fix 'else should follow close brace '}''
gpio: stmpe: add verbose debug code
gpio: stmpe: fix up interrupt enable logic
gpio: staticize xway_stp_init()
gpio: handle also nested irqchips in the chained handler set-up
gpio: set parent irq on chained handlers
gpiolib: irqchip: use irq_find_mapping while removing irqchip
gpio: crystalcove: support virtual GPIO
pinctrl: bcm281xx: make Kconfig dependency more strict
gpio: kona: enable only on BCM_MOBILE or for compile testing
gpio, bcm-kona, LLVMLinux: Remove use of __initconst
gpio: Fix ngpio in gpio-xilinx driver
gpio: dwapb: fix pointer to integer cast
gpio: xgene: Remove unneeded #ifdef CONFIG_OF guard
gpio: xgene: Remove unneeded forward declation for struct xgene_gpio
gpio: xgene: Fix missing spin_lock_init()
gpio: ks8695: fix switch case indentation
gpiolib: add irq_not_threaded flag to gpio_chip
...
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On Keystone SOCs, ARM host can send interrupts to DSP cores using the
DSP GPIO controller IP. Each DSP GPIO controller provides 28 IRQ signals for
each DSP core. This is one of the component used by the IPC mechanism used
on Keystone SOCs.
Keystone 2 DSP GPIO controller has specific features:
- each GPIO can be configured only as output pin;
- setting GPIO value to 1 causes IRQ generation on target DSP core;
- reading pin value returns 0 - if IRQ was handled or 1 - IRQ is still
pending.
This patch updates gpio-syscon driver to be reused by Keystone 2 SoCs,
because the Keystone 2 DSP GPIO controller is controlled through Syscon
devices and, as requested by Linus Walleij, such kind of GPIO controllers
should be integrated with drivers/gpio/gpio-syscon.c driver.
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Add another example to describe bindings that work for PXA3xx boards.
Signed-off-by: Daniel Mack <zonque@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Documentation for APM X-Gene SoC GPIO controller DTS binding.
Signed-off-by: Feng Kan <fkan@apm.com>
Reviewed-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Add a devicetree binding documentation for the pca953x driver.
Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq updates from Thomas Gleixner:
"The irq departement delivers:
- a cleanup series to get rid of mindlessly copied code.
- another bunch of new pointlessly different interrupt chip drivers.
Adding homebrewn irq chips (and timers) to SoCs must provide a
value add which is beyond the imagination of mere mortals.
- the usual SoC irq controller updates, IOW my second cat herding
project"
* 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (44 commits)
irqchip: gic-v3: Implement CPU PM notifier
irqchip: gic-v3: Refactor gic_enable_redist to support both enabling and disabling
irqchip: renesas-intc-irqpin: Add minimal runtime PM support
irqchip: renesas-intc-irqpin: Add helper variable dev = &pdev->dev
irqchip: atmel-aic5: Add sama5d4 support
irqchip: atmel-aic5: The sama5d3 has 48 IRQs
Documentation: bcm7120-l2: Add Broadcom BCM7120-style L2 binding
irqchip: bcm7120-l2: Add Broadcom BCM7120-style Level 2 interrupt controller
irqchip: renesas-irqc: Add binding docs for new R-Car Gen2 SoCs
irqchip: renesas-irqc: Add DT binding documentation
irqchip: renesas-intc-irqpin: Document SoC-specific bindings
openrisc: Get rid of handle_IRQ
arm64: Get rid of handle_IRQ
ARM: omap2: irq: Convert to handle_domain_irq
ARM: imx: tzic: Convert to handle_domain_irq
ARM: imx: avic: Convert to handle_domain_irq
irqchip: or1k-pic: Convert to handle_domain_irq
irqchip: atmel-aic5: Convert to handle_domain_irq
irqchip: atmel-aic: Convert to handle_domain_irq
irqchip: gic-v3: Convert to handle_domain_irq
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Conflicts:
drivers/irqchip/Makefile
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This patch adds the Device Tree binding document for the Broadcom
BCM7120-style Set-top-box Level 2 interrupt controller hardware.
We provide some ascii art explaining the different roles and reasons why
some properties are introduced to represent that interrupt controller.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Link: https://lkml.kernel.org/r/1410309862-27784-3-git-send-email-f.fainelli@gmail.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
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Add sama5d4 support to irq-atmel-aic5.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Link: https://lkml.kernel.org/r/1410536587-24607-2-git-send-email-alexandre.belloni@free-electrons.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
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On Keystone SOCs, DSP cores can send interrupts to ARM
host using the IRQ controller IP. It provides 28 IRQ
signals to ARM. The IRQ handler running on HOST OS can
identify DSP signal source by analyzing SRCCx bits in
IPCARx registers. This is one of the component used by
the IPC mechanism used on Keystone SOCs.
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Link: https://lkml.kernel.org/r/1406126430-9978-1-git-send-email-grygorii.strashko@ti.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
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- r8a7792 (R-Car V2H)
- r8a7793 (R-Car M2-N)
- r8a7794 (R-Car E2)
r8a7791 is now called "R-Car M2-W".
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lkml.kernel.org/r/1409212800-4957-3-git-send-email-geert+renesas@glider.be
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
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The renesas-irqc driver supports DT, but the DT binding documentation was
missing.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Simon Horman <horms+renesas@verge.net.au>
Link: https://lkml.kernel.org/r/1409212800-4957-2-git-send-email-geert+renesas@glider.be
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
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The documentation only mentioned the generic fallback compatible property.
Add the missing SoC-specific compatible properties, which are already in
use.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Simon Horman <horms+renesas@verge.net.au>
Link: https://lkml.kernel.org/r/1409212800-4957-1-git-send-email-geert+renesas@glider.be
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer updates from Thomas Gleixner:
"Nothing really exciting this time:
- a few fixlets in the NOHZ code
- a new ARM SoC timer abomination. One should expect that we have
enough of them already, but they insist on inventing new ones.
- the usual bunch of ARM SoC timer updates. That feels like herding
cats"
* 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
clocksource: arm_arch_timer: Consolidate arch_timer_evtstrm_enable
clocksource: arm_arch_timer: Enable counter access for 32-bit ARM
clocksource: arm_arch_timer: Change clocksource name if CP15 unavailable
clocksource: sirf: Disable counter before re-setting it
clocksource: cadence_ttc: Add support for 32bit mode
clocksource: tcb_clksrc: Sanitize IRQ request
clocksource: arm_arch_timer: Discard unavailable timers correctly
clocksource: vf_pit_timer: Support shutdown mode
ARM: meson6: clocksource: Add Meson6 timer support
ARM: meson: documentation: Add timer documentation
clocksource: sh_tmu: Document r8a7779 binding
clocksource: sh_mtu2: Document r7s72100 binding
clocksource: sh_cmt: Document SoC specific bindings
timerfd: Remove an always true check
nohz: Avoid tick's double reprogramming in highres mode
nohz: Fix spurious periodic tick behaviour in low-res dynticks mode
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git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into clockevents/3.18
Renesas Clocksource Updates for v3.18
* Document per-SoC bindings
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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In general Renesas hardware is not documented to the extent
where the relationship between IP blocks on different SoCs can be assumed
although they may appear to operate the same way. Furthermore the
documentation typically does not specify a version for individual
IP blocks. For these reasons a convention of using the SoC name in place
of a version and providing SoC-specific compat strings has been adopted.
Although not universally liked this convention is used in the bindings
for a number of drivers for Renesas hardware. The purpose of this patch is
to update the Renesas R-Car Timer Unit (TMU) driver to follow this
convention.
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
---
* I plan to follow up with a patch patch to use the new binding in the
dtsi files for the r8a7779 SoC.
commit 471269b790aec03385dc4fb127ed7094ff83c16d
v2
* Suggestions by Mark Rutland and Sergei Shtylyov
- Compatible strings should be "one or more" not "one" of those listed
- Describe the generic binding as covering any MTU2 device
- Re-order compat strings from most to least specific
v3
* Suggested by Laurent Pinchart
- Reword in keeping with a similar though more extensive patch for CMT
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| | | | | | | | | | | | | | | | | | | | |
In general Renesas hardware is not documented to the extent
where the relationship between IP blocks on different SoCs can be assumed
although they may appear to operate the same way. Furthermore the
documentation typically does not specify a version for individual
IP blocks. For these reasons a convention of using the SoC name in place
of a version and providing SoC-specific compat strings has been adopted.
Although not universally liked this convention is used in the bindings
for a number of drivers for Renesas hardware. The purpose of this patch is
to update the Renesas R-Car Multi-Function Timer Pulse Unit 2 (MTU2) driver
to follow this convention.
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
---
* I plan to follow up with a patch patch to use the new binding in the
dtsi files for the r7s72100 SoC.
v2
* Suggestions by Mark Rutland and Sergei Shtylyov
- Compatible strings should be "one or more" not "one" of those listed
- Describe the generic binding as covering any MTU2 device
- Re-order compat strings from most to least specific
v3
* Suggested by Laurent Pinchart
- Reword compat documentation for consistency with a more extensive
CMT change
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