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Pull battery updates from Dmitry Eremin-Solenikov:
"I'm picking up power supply maintainership from Anton Vorontov. Could
you please pull battery-2.6 git tree changes prepared for the v3.14
release.
Highlights:
- Power supply notifier
- Several drivers gained DT support
- Added Maxim 14577 driver
- Change of maintainer"
* tag 'for-v3.14' of git://git.infradead.org/battery-2.6:
MAINTAINERS: Pick up power supply maintainership
max17042_battery: Add IRQF_ONESHOT flag to use default irq handler
gpio-charger: Support wakeup events
power_supply: Add charger support for Maxim 14577
dt: Binding documentation for isp1704 charger
isp1704_charger: Add DT support
charger-manager: of_cm_parse_desc() should be static
bq2415x_charger: Add DT support
power_supply: Add power_supply_get_by_phandle
bq2415x_charger: Use power_supply notifier for automode
power: reset: Add as3722 power-off driver
mfd: AS3722: Add dt node properties for system power controller
charger-manager: Support deivce tree in charger manager driver
charger-manager: Modify the way of checking battery's temperature
power_supply: Add power_supply notifier
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Add devicetree binding documentation for isp1704-charger.
Signed-off-by: Sebastian Reichel <sre@debian.org>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
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ams AS3722 device supports the power off by turning off its all rails.
Add dt node properties to enable this functionality on this device.
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Tested-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
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Charger-manager can parse charger_desc data from devicetree which is used
to register charger manager.
Signed-off-by: Jonghwa Lee <jonghwa3.lee@samsung.com>
Signed-off-by: Myungjoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
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Pull MFD changes from Lee Jones:
"New drivers
- Samsung Maxim 14577; Micro USB, Regulator, IRQ Controller and
Battery Charger
- TI/National Semiconductor LP3943 I2C GPIO Expander and PWM
Generator
Existing driver adaptions
- Expansion of Wolfson Arizona DSP and High-Pass filter controls
- TI TWL6040 default Regmap support and Regcache addition/bypass
- Some nice Smatch catch fixes
- Conversion of TI OMAP-USB and TI TWL6030 to endian neutralness
- ChromeOS EC timing (delay) adaptions and added dependency on OF
- Many constifications of 'struct {mfd_cell,regmap_irq,et.al}'
- Watchdog support added for NVIDIA AS3722
- Convert functions to static in TI AM335x
- Realigned previously defeated functionality in TI AM335x
- IIO ADC-TSC concurrency dead-lock/timeout resolution
- Addition of Power Management and Clock support for Samsung core
- DEFINE_PCI_DEVICE_TABLE macro removal from MFD Subsystem
- Greater use of irqdomain functionality in ST-E AB8500
- Removal of 'include/linux/mfd/abx500/ab8500-gpio.h'
- Wolfson WM831x PMIC Power Management changes s/poweroff/shutdown/
- Device Tree documentation added for TI/Nat Semi LP3943
- Version detection and voltage tables for TI TPS6586x PMIC devices
- Simplification of Freescale MC13XXX (de-)initialisation routines
- Clean-up and simplification of the Realtek parent driver
- Added support for RTL8402 Realtek PCI-Express card reader
- Resource leak fix for Maxim 77686
- Possible suspend BUG() fix in OMAP USB TLL
- Support for new Wolfson WM5110 Revision (D)
- Testing of automatic assignment of of_node in mfd_add_device()
- Reversion of the above when it started to cause issues
- Remove legacy Platform Data from;
TI TWL Core, Qualcomm SSBI and ST-E ABx500 Pinctrl
- Clean-ups; tabbing issues, function name changes, 'drvdata = NULL'
removal, unused uninitialised warning mitigation, error
message clarity, removal of redundant/duplicate checks,
licensing (GPL -> GPL2), coding consistency, duplicate
function declaration, ret checks, commit corrections,
redundant of_match_ptr() helper removal, spelling,
#if-deffery removal and header guards name changes"
* tag 'mfd-3.14-1' of git://git.linaro.org/people/ljones/mfd: (78 commits)
mfd: wm5110: Add register patch for rev D chip
mfd: omap-usb-tll: Don't hold lock during pm_runtime_get/put_sync()
gpio: lp3943: Remove redundant of_match_ptr helper
mfd: sta2x11-mfd: Use named constants for pci_power_t values
Documentation: mfd: Fix LDO index in s2mps11.txt
mfd: Cleanup mfd-mcp-sa11x0.h header
mfd: max8997: Use "IS_ENABLED(CONFIG_OF)" for DT code.
mfd: twl6030: Fix endianness problem in IRQ handler
mfd: sec-core: Add cells for S5M8767-clocks
mfd: max14577: Remove redundant of_match_ptr helper
mfd: twl6040: Fix sparse non static symbol warning
mfd: Revert "mfd: Always assign of_node in mfd_add_device()"
mfd: rtsx: Fix sparse non static symbol warning
mfd: max77693: Set proper maximum register for MUIC regmap
mfd: max77686: Fix regmap resource leak on driver remove
mfd: Represent correct filenames in file headers
mfd: rtsx: Add support for card reader rtl8402
mfd: rtsx: Add set pull control macro and simplify rtl8411
mfd: max8997: Enforce mfd_add_devices() return value check
mfd: mc13xxx: Simplify probe() & remove()
...
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LDO indices start from 1. Fix the example appropriately.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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The EC has specific timing it requires. Add support for an optional delay
after raising CS to fix timing issues. This is configurable based on
a DT property "google,cros-ec-spi-msg-delay".
If this property isn't set, then no delay will be added. However, if set
it will cause a delay equal to the value passed to it to be inserted at
the end of a transaction.
Signed-off-by: Rhyland Klein <rklein@nvidia.com>
Reviewed-by: Bernie Thompson <bhthompson@chromium.org>
Reviewed-by: Andrew Bresticker <abrestic@chromium.org>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Bindings for LP3943 MFD, GPIO and PWM controller are added.
Signed-off-by: Milo Kim <milo.kim@ti.com>
Acked-by: Thierry Reding <thierry.reding@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound updates from Takashi Iwai:
"It was holiday season, so no wonder that there are little changes in
framework level, although diffstat shows quite many changes spreaded
over sound/* directories. Most of changes are cleanups, code
refactoring and fixes.
Some highlights:
- Removal of OSS sleep_on usages by Arnd
- Simplified memalloc helper codes, drop obsoleted features; now it's
built into PCM driver instead of an individual module
- Warn if PCM buffer preallocation fails, which will show page
allocation issues more clearly
- Compress offload API updates for sample rates by Vinod
- PCM glitch workaround on ctxfi emu20k1 by Sarah
- Drop cs46xx DSP blobs, using firmware loader now
- USB-audio quitks for Plantronics Gamecom 780, Creative VF0420, and
Focusrite Saffire 6
HD-audio specifics:
- Standardize Kconfigs of HD-audio codec drivers; now "make
localmodconfig" recognizes configs properly (finally!)
- Parallel PM implementation by Mengdong
- BayleyBay/ValleyView2 board fixups
- Broadwell audio support
- Runtime PM improvement (PantherPoint, etc)
- Quirks: Dell subwooer, Gigabyte mobo jack detection oddity, Dell
AiO click noise fixes, Dell headset mic fixes, etc
- Automatic bind with HDMI codec parser without generic parser
- More AD codec fixes (since 3.12 regression) including the automatic
stereo mix support
- Common Thinkpad ACPI helper for Realtek and Conexant codecs
ASoC specifics:
- Update to the generic DMA code to support deferred probe and
managed resources
- New drivers for BCM2835 (used in Raspberry Pi), Tegra with MAX98090
and Analog Devices AXI I2S and S/PDIF controller IPs
- Device tree support for the simple card, max98090 and cs42l52
- Conversion of the Samsung drivers to native dmaengine, making them
multiplatform compatible and hopefully helping keep them more
modern and up to date.
- More regmap conversions, including a very welcome one for twl6040
from Peter Ujfalusi
- A big overhaul of the DaVinci drivers also from Peter Ujfalusi
- Lots of DMA updates from Lars-Peter
- Improvements to the constraints handling code from Lars-Peter
- A very helpful conversion of the TWL4030 driver to regmap from Peter
- A new driver for the Freescale ESAI controller from Nicolin Chen
- Conversion of some of the drivers to use params_width()
- Extensions to DPCM for use with compressed audio from Liam"
* tag 'sound-3.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (396 commits)
ASoC: dapm: Fix double prefix addition
ASoC: compress: Add suport for DPCM into compressed audio
ASoC: DPCM: make some DPCM API calls non static for compressed usage
ASoC: core: Fix possible NULL pointer dereference of pcm->config
ALSA: hda - add headset mic detect quirks for some Dell machines
ASoC: tlv320aic32x4: Fix regmap range_min
ASoC: core: Return -ENOTSUPP from set_sysclk() if no operation provided
ASoC: dapm: Change prototype of soc_widget_read
ASoC: samsung: Remove SND_DMAENGINE_PCM_FLAG_NO_RESIDUE flag
ASoC: axi-{spdif,i2s}: Remove SND_DMAENGINE_PCM_FLAG_NO_RESIDUE flag
ASoC: generic-dmaengine-pcm: Check DMA residue granularity
ASoC: generic-dmaengine-pcm: Check NO_RESIDUE flag at runtime
dma: pl330: Set residue_granularity
dma: Indicate residue granularity in dma_slave_caps
ASoC: simple-card: fix one bug to writing to the platform data
ASoC: pcm: Use snd_pcm_rate_mask_intersect() helper
ALSA: Add helper function for intersecting two rate masks
ASoC: s6000: Don't mix SNDRV_PCM_RATE_CONTINUOUS with specific rates
ASoC: fsl: Don't mix SNDRV_PCM_RATE_CONTINUOUS with specific rates
ASoC: pcm: Properly initialize hw->rate_max
...
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'asoc/topic/bcm2835', 'asoc/topic/docs', 'asoc/topic/fsl', 'asoc/topic/generic', 'asoc/topic/kirkwood', 'asoc/topic/mc13783', 'asoc/topic/mxs', 'asoc/topic/nuc900', 'asoc/topic/sai', 'asoc/topic/sh', 'asoc/topic/ssm2602', 'asoc/topic/tlv320aic3x', 'asoc/topic/twl4030', 'asoc/topic/ux500', 'asoc/topic/width' and 'asoc/topic/x86' into for-tiwai
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Add tlv320aic32x4 to the compatible list in the binding documentation.
Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
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This patch implements a device-tree-only CPU DAI driver for Freescale ESAI
controller that supports:
- 12 channels playback and 8 channels record.
[ Some of the inner transmitters and receivers are sharing same group of
pins. So the maxmium 12 output or 8 input channels are only valid if
there is no pin conflict occurring to it. ]
- Independent (asynchronous mode) or shared (synchronous mode) transmit and
receive sections with separate or shared internal/external clocks and frame
syncs, operating in Master or Slave mode.
[ Current ALSA seems not to allow CPU DAI drivers to configure DAI format
separately for PLAYBACK and CAPTURE. So this first version only supports
the case that uses the same DAI format for both directions. ]
- Various DAI formats: I2S, Left-Justified, Right-Justified, DSP-A and DSP-B.
- Programmable word length (8, 16, 20 or 24bits)
- Flexible selection between system clock or external oscillator as input
clock source, programmable internal clock divider and frame sync generation.
Signed-off-by: Nicolin Chen <Guangyu.Chen@freescale.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Even though we might not have rigor rule for the simple card property names,
according to the existing ones, they are all in a same pattern:
[simple-audio-card,]XXX;
Rename simple-audio-routing to simple-audio-card,routing, and make the simple
card's properties has one unified name.
Signed-off-by: Xiubo Li <Li.Xiubo@freescale.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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There is no list of compatibles that are supported. This patch adds a
list of compatibles to the documentation.
Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Update the ASoC overview to bring it up to date with the current code base
and include multi-component.
Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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'asoc/topic/adav80x', 'asoc/topic/adsp', 'asoc/topic/ak4641', 'asoc/topic/ak4642', 'asoc/topic/arizona', 'asoc/topic/atmel', 'asoc/topic/au1x', 'asoc/topic/axi', 'asoc/topic/bcm2835', 'asoc/topic/blackfin', 'asoc/topic/cs4271', 'asoc/topic/cs42l52', 'asoc/topic/da7210', 'asoc/topic/davinci', 'asoc/topic/ep93xx', 'asoc/topic/fsl', 'asoc/topic/fsl-mxs', 'asoc/topic/generic', 'asoc/topic/hdmi', 'asoc/topic/jack', 'asoc/topic/jz4740', 'asoc/topic/max98090', 'asoc/topic/mxs', 'asoc/topic/omap', 'asoc/topic/pxa', 'asoc/topic/rcar', 'asoc/topic/s6000', 'asoc/topic/sai', 'asoc/topic/samsung', 'asoc/topic/sgtl5000', 'asoc/topic/spear', 'asoc/topic/ssm2518', 'asoc/topic/ssm2602', 'asoc/topic/tegra', 'asoc/topic/tlv320aic3x', 'asoc/topic/twl6040', 'asoc/topic/txx9', 'asoc/topic/uda1380', 'asoc/topic/width', 'asoc/topic/wm8510', 'asoc/topic/wm8523', 'asoc/topic/wm8580', 'asoc/topic/wm8711', 'asoc/topic/wm8728', 'asoc/topic/wm8731', 'asoc/topic/wm8741', 'asoc/topic/wm8750', 'asoc/topic/wm8753', 'asoc/topic/wm8776', 'asoc/topic/wm8804', 'asoc/topic/wm8900', 'asoc/topic/wm8901', 'asoc/topic/wm8940', 'asoc/topic/wm8962', 'asoc/topic/wm8974', 'asoc/topic/wm8985', 'asoc/topic/wm8988', 'asoc/topic/wm8990', 'asoc/topic/wm8991', 'asoc/topic/wm8994', 'asoc/topic/wm8995', 'asoc/topic/wm9081' and 'asoc/topic/x86' into asoc-next
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Initially, this binding and driver only describe/support playback to
headphones and speakers, and capture from the external microphone, with
GPIO-based jack detection for the headphone jack only.
This driver is useful for the Venice2 board.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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This adds the Document for Freescale SAI driver under
Documentation/devicetree/bindings/sound/.
Signed-off-by: Xiubo Li <Li.Xiubo@freescale.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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This binding mainly serves to document the list of input and output pins
that may be used in a sound card's audio routing table.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Signed-off-by: Jyri Sarha <jsarha@ti.com>
cc: bcousson@baylibre.com
Signed-off-by: Mark Brown <broonie@linaro.org>
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Parses a simple DAPM route table from device tree.
Signed-off-by: Xiubo Li <Li.Xiubo@freescale.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Optional DT property to specify the desired parent clock for the McASP fck
clock.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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The IP in DRA7xx is similar to the IP found in TI81xxAM3xxx/AM4xxx type of
SoCs but it is is integrated with sDMA instead of eDMA. The suitable pcm
driver for DRA7xx is the omap-pcm driver which is using dmaengine.
In the driver we can configure both dma related structures used for eDMA and
sDMA. The only thing we need to make sure that we set the correct dma_data
at startup with snd_soc_dai_set_dma_data()
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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AM43xx have the same McASP IP as AM33xx and both platform uses eDMA. Modify
the Kconfig so it will be possible to add audio support for AM43xx based
boards later.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Signed-off-by: Brian Austin <brian.austin@cirrus.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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This driver adds support for digital audio (I2S)
for the BCM2835 SoC that is used by the
Raspberry Pi. External audio codecs can be
connected to the Raspberry Pi via P5 header.
It relies on cyclic DMA engine support for BCM2835.
Signed-off-by: Florian Meier <florian.meier@koalo.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
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This patch adds the devicetree documentation for the ADI AXI-SPDIF audio
controller. The controller has:
* One set of memory mapped register
* Two clocks, one for the memory mapped register interface, one used as the
audio reference clock
* A DMA interface for the transmit data
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Cc: Rob Herring <rob.herring@calxeda.com>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Stephen Warren <swarren@wwwdotorg.org>
Cc: Ian Campbell <ijc+devicetree@hellion.org.uk>
Cc: devicetree@vger.kernel.org
Signed-off-by: Mark Brown <broonie@linaro.org>
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This patch adds the devicetree documentation for the ADI AXI-SPDIF audio
controller. The controller has:
* One set of memory mapped register
* Two clocks, one for the memory mapped register interface, one used as the
audio reference clock
* One DMA interface each for the transmit and receive data
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Cc: Rob Herring <rob.herring@calxeda.com>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Stephen Warren <swarren@wwwdotorg.org>
Cc: Ian Campbell <ijc+devicetree@hellion.org.uk>
Cc: devicetree@vger.kernel.org
Signed-off-by: Mark Brown <broonie@linaro.org>
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Support for loading the simple-card module via DeviceTree.
It requests CPU/CODEC information.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull bulk pin control changes from Linus Walleij:
"This has been queued and tested for a while. Lots of action here,
like in the GPIO tree, embedded stuff like this is really hot now it
seems. Details in the signed tag. I'm especially happy about the
Qualcomm driver as it is used in such a huge subset of mobile handsets
out there, and these platforms in general need better upstream support
- New driver for the Qualcomm TLMM pin controller and its msm8x74
subdriver.
- New driver for the Broadcom Capri BCM281xx SoC.
- New subdriver for the imx25 pin controller.
- New subdriver for the Tegra124 pin controller.
- Lock GPIO lines as IRQs for select combined pin control and GPIO
drivers for baytrail and sirf.
- Some semi-big refactorings and extenstions to the sirf driver.
- Lots of patching, cleanup and fixing in the Renesas "PFC" driver
and associated subdrivers as usual. It is settling down a little
bit now it seems.
- Minor fixes and incremental updates here and there as usual"
* tag 'pinctrl-v3.14-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (72 commits)
pinctrl: sunxi: Honor GPIO output initial vaules
pinctrl: capri: add dependency on OF
ARM: bcm11351: Enable pinctrl for Broadcom Capri SoCs
ARM: pinctrl: Add Broadcom Capri pinctrl driver
pinctrl: Add pinctrl binding for Broadcom Capri SoCs
pinctrl: Add void * to pinctrl_pin_desc
pinctrl: st: Fix a typo in probe
pinctrl: Fix some typos and grammar issues in the documentation
pinctrl: sirf: lock IRQs when starting them
pinctrl: sirf: put gpio interrupt pin into input status automatically
pinctrl: sirf: use only one irq_domain for the whole device node
pinctrl: single: fix infinite loop caused by bad mask
pinctrl: single: fix pcs_disable with bits_per_mux
pinctrl: single: fix DT bindings documentation
pinctrl: as3722: Set pin to output mode for some function
pinctrl: sirf: add pin group for USP0 with only RX or TX frame sync
pinctrl: sirf: fix the pins of sdmmc5 connected with TriG
pinctrl: sirf: add lost usp1_uart_nostreamctrl group for atlas6
pinctrl: sunxi: Add Allwinner A20 clock output pin functions
pinctrl/lantiq: fix typo
...
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Adds pinctrl driver devicetree binding for Broadcom Capri (BCM281xx) SoCs.
v4: Changed valid values for "bias-pull-up" property for I2C pins.
Expanded pin configuration node example.
v3: Use generic pin config properties instead of brcm-specific ones.
Clarified pin types (standard, i2c, hdmi).
v2: Use hyphens instead of underscore in DT property names.
Device tree bindings maintainers ECG:
_ _ _ _ _
__________/ \ ________/ \ _____/ \ ___/ \ ___/ \ __
\_/ \_/ \_/ \_/ \_/
Signed-off-by: Sherman Yin <syin@broadcom.com>
Reviewed-by: Christian Daudt <bcm@fixthebug.org>
Reviewed-by: Matt Porter <matt.porter@linaro.org>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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I had been trying to learn a bit more about the pinctrl subsystem, and I
realized several typos and grammar issues while going through the documentation.
I have probably not caught all the possible issues, but this change is
addressing several places for improvement.
Signed-off-by: Laszlo Papp <lpapp@kde.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Remove extra comma in pinctrl-single documentation.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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This commit adds slew-rate and input-enable/disable support for pinconf
-generic.
Signed-off-by: Sherman Yin <syin@broadcom.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Use the more specific form 8974 for the compatible to reduce the
risk of future mishaps.
Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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This device tree binding document describes the Tegra124 pincontrol
DT bindings. This document lists all valid properties, names, mux
options of Tegra124 pins.
Changes from V1:
- Referred the dt-binding header file on describing the nodes.
Changes from V2:
- Rewording reg properties.
- drop drv_type as it is not applicable.
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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On non-DT platforms IRQ controllers associated with the GPIOs have a
fixed IRQ base value known at compile time. The sh-pfc driver translates
GPIO number to IRQ numbers using a hardcoded table. This mechanism
breaks on DT platforms, as the IRQ base values are dynamic in that case.
Fix this by specifying IRQs associated with GPIOs in IRQ resources,
populated automatically from the device tree. When IRQ resources are
specified the driver requires one IRQ resource per GPIO able to generate
an interrupt, and uses the translation table to compute the IRQ resource
offset instead of the IRQ number.
Cc: devicetree@vger.kernel.org
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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This adds initial documentation for the pinctrl-msm8x74 driver.
Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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This is mostly cut and paste from the imx35 pinctrl driver.
The data was generated using sed and awk on
arch/arm/plat-mxc/include/mach/iomux-mx25.h.
Cc: Rob Herring <rob.herring@calxeda.com>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Stephen Warren <swarren@wwwdotorg.org>
Cc: Ian Campbell <ijc+devicetree@hellion.org.uk>
Cc: devicetree@vger.kernel.org
Cc: Shawn Guo <shawn.guo@linaro.org>
Cc: Sascha Hauer <kernel@pengutronix.de>
Cc: linux-arm-kernel@lists.infradead.org
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Eric Bénard <eric@eukrea.com>
Signed-off-by: Denis Carikli <denis@eukrea.com>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Support gpio devicetree subnodes to allow a more detailed DT hardware
description.
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/linusw/linux-gpio
Pull GPIO tree bulk changes from Linus Walleij:
"A big set this merge window, as we have much going on in this
subsystem. The changes to other subsystems (notably a slew of ARM
machines as I am doing away with their custom APIs) have all been
ACKed to the extent possible.
Major changes this time:
- Some core improvements and cleanups to the new GPIO descriptor API.
This seems to be working now so we can start the exodus to this
API, moving gradually away from the global GPIO numberspace.
- Incremental improvements to the ACPI GPIO core, and move the few
GPIO ACPI clients we have to the GPIO descriptor API right *now*
before we go any further. We actually managed to contain this
*before* we started to litter the kernel with yet another hackish
global numberspace for the ACPI GPIOs, which is a big win.
- The RFkill GPIO driver and all platforms using it have been
migrated to use the GPIO descriptors rather than fixed number
assignments. Tegra machine has been migrated as part of this.
- New drivers for MOXA ART, Xtensa GPIO32 and SMSC SCH311x. Those
should be really good examples of how I expect a nice GPIO driver
to look these days.
- Do away with custom GPIO implementations on a major part of the ARM
machines: ks8695, lpc32xx, mv78xx0. Make a first step towards the
same in the horribly convoluted Samsung S3C include forest. We
expect to continue to clean this up as we move forward.
- Flag GPIO lines used for IRQ on adnp, bcm-kona, em, intel-mid and
lynxpoint.
This makes the GPIOlib core aware that a certain GPIO line is used
for IRQs and can then enforce some semantics such as disallowing a
GPIO line marked as in use for IRQ to be switched to output mode.
- Drop all use of irq_set_chip_and_handler_name(). The name provided
in these cases were just unhelpful tags like "mux" or "demux".
- Extend the MCP23s08 driver to handle interrupts.
- Minor incremental improvements for rcar, lynxpoint, em 74x164 and
msm drivers.
- Some non-urgent bug fixes here and there, duplicate #includes and
that usual kind of cleanups"
Fix up broken Kconfig file manually to make this all compile.
* tag 'gpio-v3.14-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (71 commits)
gpio: mcp23s08: fix casting caused build warning
gpio: mcp23s08: depend on OF_GPIO
gpio: mcp23s08: Add irq functionality for i2c chips
ARM: S5P[v210|c100|64x0]: Fix build error
gpio: pxa: clamp gpio get value to [0,1]
ARM: s3c24xx: explicit dependency on <plat/gpio-cfg.h>
ARM: S3C[24|64]xx: move includes back under <mach/> scope
Documentation / ACPI: update to GPIO descriptor API
gpio / ACPI: get rid of acpi_gpio.h
gpio / ACPI: register to ACPI events automatically
mmc: sdhci-acpi: convert to use GPIO descriptor API
ARM: s3c24xx: fix build error
gpio: f7188x: set can_sleep attribute
gpio: samsung: Update documentation
gpio: samsung: Remove hardware.h inclusion
gpio: xtensa: depend on HAVE_XTENSA_GPIO32
gpio: clps711x: Enable driver compilation with COMPILE_TEST
gpio: clps711x: Use of_match_ptr()
net: rfkill: gpio: convert to descriptor-based GPIO interface
leds: s3c24xx: Fix build failure
...
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This adds interrupt functionality for i2c chips to the driver.
They can act as a interrupt-controller and generate interrupts, if
the inputs change.
This is tested with a mcp23017 chip on an arm based platform.
v3:
- be a bit more clear that the irq functionality is also available
on spi versions of the chips, but the linux driver does not support
this yet
v2:
- some more word about irq-mirror property in binding doc
- use of_read_bool instead of of_find_property for
"interrupt-contrller" and "irq-mirror"
- cache the "interrupt-controller" for remove function
- do set the irq-mirror bit only if device is marked as
interrupt-controller
- do create the irq mapping and setup of irq_desc of all possible
interrupts in probe path instead of in gpio_to_irq
- mark gpios as in use as interrupts in irq in irq_startup and
unlock it in irq_shutdown
- rename virq to child_irq
- remove dev argument from mcp23s08_irq_setup function
- move gpiochip_add before mcp23s08_irq_setup in probe path
Signed-off-by: Lars Poeschel <poeschel@lemonage.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Update the documentation also to reflect the fact that there are no ACPI
specific GPIO interfaces anymore but drivers should instead use the
descriptor based GPIO APIs.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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hardware.h inclusion is no longer needed. Update the documentation section
related to it and fix a file path.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Some devices drivers make use of optional GPIO parameters. For such
drivers, it is important to discriminate between the case where no
GPIO mapping has been defined for the function they are requesting, and
the case where a mapping exists but an error occured while resolving it
or when acquiring the GPIO.
This patch changes the family of gpiod_get() functions such that they
will return -ENOENT if and only if no GPIO mapping is defined for the
requested function. Other error codes are used when an actual error
occured during the GPIO resolution.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Change the format of the platform GPIO lookup tables to make them less
confusing and improve lookup efficiency.
The previous format was a single linked-list that required to compare
the device name and function ID of every single GPIO defined for each
lookup. Switch that to a list of per-device tables, so that the lookup
can be done in two steps, omitting the GPIOs that are not relevant for a
particular device.
The matching rules are now defined as follows:
- The device name must match *exactly*, and can be NULL for GPIOs not
assigned to a particular device,
- If the function ID in the lookup table is NULL, the con_id argument of
gpiod_get() will not be used for lookup. However, if it is defined, it
must match exactly.
- The index must always match.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Linux 3.13-rc3
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Add GPIO driver for MOXA ART SoCs.
Signed-off-by: Jonas Jensen <jonas.jensen@gmail.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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