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No dramatic changes are found in this development cycle, but as usual,
many commits are applied in a wide range of drivers.
Most of big changes are in ASoC, where a few bits of framework work
and quite a lot of cleanups and improvements to existing code have
been done. The rest are usual stuff, a few HD-audio and USB-audio
quirks and fixes, as well as the drop of kthread usages in the whole
subsystem.
Below are some highlights:
ASoC:
- Support for stereo DAPM controls
- Some initial work on the of-graph sound card
- regmap conversions of the remaining AC'97 drivers
- A new version of the topology ABI; this should be backward compatible
- Updates / cleanups of rsnd, sunxi, sti, nau8825, samsung, arizona,
Intel skylake, atom-sst
- New drivers for Cirrus Logic CS42L42, Qualcomm MSM8916-WCD, and
Realtek RT5665
USB-audio:
- Yet another race fix at disconnection
- Tolerated packet size calculation for some Android devices
- Quirks for Axe-Fx II, QuickCam, TEAC 501/503
HD-audio:
- Improvement of Dell pin fixup mapping
- Quirks for HP Z1 Gen3, Alienware 15 R2 2016 and ALC622 headset mic
Misc:
- Replace all kthread usages with simple works
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Merge tag 'sound-4.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound updates from Takashi Iwai:
"No dramatic changes are found in this development cycle, but as usual,
many commits are applied in a wide range of drivers.
Most of big changes are in ASoC, where a few bits of framework work
and quite a lot of cleanups and improvements to existing code have
been done. The rest are usual stuff, a few HD-audio and USB-audio
quirks and fixes, as well as the drop of kthread usages in the whole
subsystem.
Below are some highlights:
ASoC:
- support for stereo DAPM controls
- some initial work on the of-graph sound card
- regmap conversions of the remaining AC'97 drivers
- a new version of the topology ABI; this should be backward
compatible
- updates / cleanups of rsnd, sunxi, sti, nau8825, samsung, arizona,
Intel skylake, atom-sst
- new drivers for Cirrus Logic CS42L42, Qualcomm MSM8916-WCD, and
Realtek RT5665
USB-audio:
- yet another race fix at disconnection
- tolerated packet size calculation for some Android devices
- quirks for Axe-Fx II, QuickCam, TEAC 501/503
HD-audio:
- improvement of Dell pin fixup mapping
- quirks for HP Z1 Gen3, Alienware 15 R2 2016 and ALC622 headset mic
Misc:
- replace all kthread usages with simple works"
* tag 'sound-4.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (296 commits)
ALSA: hiface: Fix M2Tech hiFace driver sampling rate change
ALSA: usb-audio: Eliminate noise at the start of DSD playback.
ALSA: usb-audio: Add native DSD support for TEAC 501/503 DAC
ASoC: wm_adsp: wm_adsp_buf_alloc should use kfree in error path
ASoC: topology: avoid uninitialized kcontrol_type
ALSA: usb-audio: Add QuickCam Communicate Deluxe/S7500 to volume_control_quirks
ALSA: usb-audio: add implicit fb quirk for Axe-Fx II
ASoC: zte: spdif: correct ZX_SPDIF_CLK_RAT define
ASoC: zte: spdif and i2s drivers are not zx296702 specific
ASoC: rsnd: setup BRGCKR/BRRA/BRRB when starting
ASoC: rsnd: enable/disable ADG when suspend/resume timing
ASoC: rsnd: tidyup ssi->usrcnt counter check in hw_params
ALSA: cs46xx: add a new line
ASoC: Intel: update bxt_da7219_max98357a to support quad ch dmic capture
ASoC: nau8825: disable sinc filter for high THD of ADC
ALSA: usb-audio: more tolerant packetsize
ALSA: usb-audio: avoid setting of sample rate multiple times on bus
ASoC: cs35l34: Simplify the logic to set CS35L34_MCLK_CTL setting
ALSA: hda - Gate the mic jack on HP Z1 Gen3 AiO
ALSA: hda: when comparing pin configurations, ignore assoc in addition to seq
...
These regualtors output 0v when vsel is 0. The datasheet will be updated
to reflect this.
Signed-off-by: Andrew F. Davis <afd@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
The BUCK regulators 3, 4, and 5 also have a 10mV step mode,
adjust the tables and logic to reflect the data-sheet for
these regulators.
fixes: d2a2e729a6 ("regulator: tps65086: Add regulator driver for the TPS65086 PMIC")
Signed-off-by: Andrew F. Davis <afd@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Every function handling the mode within the regulator core uses an unsigned
int for mode, except for regulator_mode_constrain. This patch changes the
type of mode within regulator_mode_constrain which fixes several instances
where we are passing pointers to unsigned ints then treating them as an int
within this function.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Adding support to configure regulator POK mapping bit
to control nRST_IO and GPIO1 POK function.
In tegra based platform which uses MAX20024 pmic, when
some of regulators are configured FPS_NONE(flexible power sequencer)
causes PMIC GPIO1 to go low which lead to various other rails turning off,
to avoid this MPOK bit of those regulators need to be set to 0
so that PMIC GPIO1 will not go low.
Signed-off-by: Venkat Reddy Talla <vreddytalla@nvidia.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
The table_len, *table, remap and max_mV fields are not used, so remove
them.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
The min_mV, max_mV and flags fields are not used, so remove them.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
In order to not break existing users, we keep using the same
CONFIG symbol.
This makes it easier to add support for TWL6032 and refactor
mfd/twl-core.
Checkpatch warnings are inherited from twl-regulator.c and will
be addressed in a subsequent patch.
Signed-off-by: Nicolae Rosia <Nicolae_Rosia@mentor.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This code was used by OMAP platform based boards
which are now DT only.
Proper support for SMPS is missing in this driver.
Signed-off-by: Nicolae Rosia <Nicolae_Rosia@mentor.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
TWL603X and TWL4030 are different and have different code logic.
Rework the regulator definition method so we can split the file
easily in twl4030 and twl6030.
Signed-off-by: Nicolae Rosia <Nicolae_Rosia@mentor.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
max77620_reuglator_pdata structure variable reg_idata
is not used anywhere in the regulator driver, so removing it.
Signed-off-by: Venkat Reddy Talla <vreddytalla@nvidia.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
The regulator has never been properly enabled, it has been
dormant all the time. It's strange that MMC was working
at all, but it likely worked by the signals going through
the levelshifter and reaching the card anyways.
Fixes: 3615a34ea1 ("regulator: add STw481x VMMC driver")
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
The function of_get_named_gpio() could return -ENOENT, -EPROBE_DEFER
-EINVAL and so on. Currently, for the optional property "enable-gpio",
we only check -EPROBE_DEFER, this is not enough since there may be
misconfigured "enable-gpio" in the DTB, of_get_named_gpio() will return
-EINVAL in this case, we should return immediately here. And for the
optional property "gpios", we didn't check the return value, the driver
will continue to the point where gpio_request_array() is called, it
doesn't make sense to continue if we got -EPROBE_DEFER or -EINVAL here.
This patch tries to address these two issues by properly checking the
return value of of_get_named_gpio.
Signed-off-by: Jisheng Zhang <jszhang@marvell.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
In order to have a proper topology of regulators for a platform, each
registering regulator needs to populate supply_name field for identifying
its supply's name. Add supply_name field for lp873x regulators.
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Acked-for-MFD-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
The maximum supported voltage for ldo_io# is 3.3V, but on cold boot
the selector comes up at 0x1f, which maps to 3.8V. This was previously
corrected by Allwinner's U-boot, which set all regulators on the PMICs
to some pre-configured voltage. With recent progress in U-boot SPL
support, this is no longer the case. In any case we should handle
this quirk in the kernel driver as well.
This invalid setting causes _regulator_get_voltage() to fail with -EINVAL
which causes regulator registration to fail when constrains are used:
[ 1.054181] vcc-pg: failed to get the current voltage(-22)
[ 1.059670] axp20x-regulator axp20x-regulator.0: Failed to register ldo_io0
[ 1.069749] axp20x-regulator: probe of axp20x-regulator.0 failed with error -22
This commits makes the axp20x regulator driver accept the 0x1f register
value, fixing this.
The datasheet does not guarantee reliable operation above 3.3V, so on
boards where this regulator is used the regulator-max-microvolt setting
must be 3.3V or less.
This is essentially the same as the commit f40d4896bf ("regulator:
axp20x: Fix axp22x ldo_io registration error on cold boot") for AXP22x
PMICs.
Fixes: a51f9f4622 ("regulator: axp20x: support AXP809 variant")
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
The handling of bypass_val_on that was added in
regulator_get_bypass_regmap is done unconditionally however
several drivers don't define a value for bypass_val_on. This
results in those drivers reporting bypass being enabled when
it is not. In regulator_set_bypass_regmap we use bypass_mask
if bypass_val_on is zero. This patch adds similar handling in
regulator_get_bypass_regmap.
Fixes: commit dd1a571dae ("regulator: helpers: Ensure bypass register field matches ON value")
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Regulator consumers can receive event notifications when
errors are reported to the driver, but currently, there is
no way for a regulator consumer to know when the error is over.
To allow a regulator consumer to poll for error conditions
add a new API: regulator_get_error_flags.
Signed-off-by: Axel Haslam <ahaslam@baylibre.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
commit 73e705bf81 ("regulator: core: Add set_voltage_time op")
introduced a new rdev_warn() if the ramp_delay is 0.
Apparently, on omap3/twl4030 platforms with dynamic voltage
management this results in non-ending spurious messages like
[ 511.143066] VDD1: ramp_delay not set
[ 511.662322] VDD1: ramp_delay not set
[ 513.903625] VDD1: ramp_delay not set
[ 514.222198] VDD1: ramp_delay not set
[ 517.062835] VDD1: ramp_delay not set
[ 517.382568] VDD1: ramp_delay not set
[ 520.142791] VDD1: ramp_delay not set
[ 520.502593] VDD1: ramp_delay not set
[ 523.062896] VDD1: ramp_delay not set
[ 523.362701] VDD1: ramp_delay not set
[ 526.143035] VDD1: ramp_delay not set
I have observed this on GTA04 while it is reported to occur on
N900 as well: https://bugzilla.kernel.org/show_bug.cgi?id=178371
This patch makes the warning appear only in debugging mode.
Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Remove all the individual compatibles for all the regulators
and introduce id_table and update the driver accordingly
to parse device tree nodes using the regulator framework.
Signed-off-by: Keerthy <j-keerthy@ti.com>
Acked-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Currently read directly calls the repmap read function. Hence
remove the redundant wrapper and use regmap read wherever
needed.
Signed-off-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
RK808_ID_DCDC1 is 0, no need to do subtract RK808_ID_DCDC1.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Pull thermal managament updates from Zhang Rui:
- Enhance thermal "userspace" governor to export the reason when a
thermal event is triggered and delivered to user space. From Srinivas
Pandruvada
- Introduce a single TSENS thermal driver for the different versions of
the TSENS IP that exist, on different qcom msm/apq SoCs'. Support for
msm8916, msm8960, msm8974 and msm8996 families is also added. From
Rajendra Nayak
- Introduce hardware-tracked trip points support to the device tree
thermal sensor framework. The framework supports an arbitrary number
of trip points. Whenever the current temperature is changed, the trip
points immediately below and above the current temperature are found,
driver callback is invoked to program the hardware to get notified
when either of the two trip points are triggered. Hardware-tracked
trip points support for rockchip thermal driver is also added at the
same time. From Sascha Hauer, Caesar Wang
- Introduce a new thermal driver, which enables TMU (Thermal Monitor
Unit) on QorIQ platform. From Jia Hongtao
- Introduce a new thermal driver for Maxim MAX77620. From Laxman
Dewangan
- Introduce a new thermal driver for Intel platforms using WhiskeyCove
PMIC. From Bin Gao
- Add mt2701 chip support to MTK thermal driver. From Dawei Chien
- Enhance Tegra thermal driver to enable soctherm node and set
"critical", "hot" trips, for Tegra124, Tegra132, Tegra210. From Wei
Ni
- Add resume support for tango thermal driver. From Marc Gonzalez
- several small fixes and improvements for rockchip, qcom, imx, rcar,
mtk thermal drivers and thermal core code. From Caesar Wang, Keerthy,
Rocky Hao, Wei Yongjun, Peter Robinson, Bui Duc Phuc, Axel Lin, Hugh
Kang
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux: (48 commits)
thermal: int3403: Process trip change notification
thermal: int340x: New Interface to read trip and notify
thermal: user_space gov: Add additional information in uevent
thermal: Enhance thermal_zone_device_update for events
arm64: tegra: set hot trips for Tegra210
arm64: tegra: set critical trips for Tegra210
arm64: tegra: add soctherm node for Tegra210
arm64: tegra: set hot trips for Tegra132
arm64: tegra: set critical trips for Tegra132
arm64: tegra: use tegra132-soctherm for Tegra132
arm: tegra: set hot trips for Tegra124
arm: tegra: set critical trips for Tegra124
thermal: tegra: add hw-throttle for Tegra132
thermal: tegra: add hw-throttle function
of: Add bindings of hw throttle for Tegra soctherm
thermal: mtk_thermal: Check return value of devm_thermal_zone_of_sensor_register
thermal: Add Mediatek thermal driver for mt2701.
dt-bindings: thermal: Add binding document for Mediatek thermal controller
thermal: max77620: Add thermal driver for reporting junction temp
thermal: max77620: Add DT binding doc for thermal driver
...
- Add the MFD bindings doc to MAINTAINERS
- New Drivers
- X-Powers AC100 Audio CODEC and RTC
- TI LP873x PMIC
- Rockchip RK808 PMIC
- Samsung Exynos Low Power Audio
- New Device Support
- Add support for STMPE1600 variant to stmpe
- Add support for PM8018 PMIC to pm8921-core
- Add support for AXP806 PMIC in axp20x
- Add support for AXP209 GPIO in axp20x
- New Functionality
- Add support for Reset to all STMPE variants
- Add support for MKBP event support to cros_ec
- Add support for USB to intel_soc_pmic_bxtwc
- Add support for IRQs and Power Button to tps65217
- Fix-ups
- Clean-up defunct author emails; da9063, max14577
- Kconfig fixups; wm8350-i2c, as3722
- Constify; altera-a10sr, sm501
- Supply PCI IDs; intel-lpss-pci
- Improve clocking; qcom_rpm
- Fix IRQ probing; ucb1x00-core
- Ensure fault log is cleared; da9052
- Remove NO_IRQ check; ucb1x00-core
- Supply I2C properties; intel-lpss-acpi, intel-lpss-pci
- Non standard declaration; tps65217, max8997-irq
- Remove unused code; lp873x, db8500-prcmu, ab8500-debugfs,
cros_ec_spi
- Make non-modular; altera-a10sr, intel_msic, smsc-ece1099,
sun6i-prcm, twl-core,
- OF bindings; ac100, stmpe, qcom-pm8xxx, qcom-rpm, rk808,
axp20x, lp873x, exynos5433-lpass, act8945a,
aspeed-scu, twl6040, arizona
- Bug Fixes
- Release OF pointer; qcom_rpm
- Avoid double shifting in suspend/resume; 88pm80x
- Fix 'defined but not used' error; exynos-lpass
- Fix 'sleeping whilst attomic'; atmel-hlcdc
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Merge tag 'mfd-for-linus-4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull MFD updates from Lee Jones:
"Core framework:
- Add the MFD bindings doc to MAINTAINERS
New drivers:
- X-Powers AC100 Audio CODEC and RTC
- TI LP873x PMIC
- Rockchip RK808 PMIC
- Samsung Exynos Low Power Audio
New device support:
- Add support for STMPE1600 variant to stmpe
- Add support for PM8018 PMIC to pm8921-core
- Add support for AXP806 PMIC in axp20x
- Add support for AXP209 GPIO in axp20x
New functionality:
- Add support for Reset to all STMPE variants
- Add support for MKBP event support to cros_ec
- Add support for USB to intel_soc_pmic_bxtwc
- Add support for IRQs and Power Button to tps65217
Fix-ups:
- Clean-up defunct author emails (da9063, max14577)
- Kconfig fixups (wm8350-i2c, as37220
- Constify (altera-a10sr, sm501)
- Supply PCI IDs (intel-lpss-pci)
- Improve clocking (qcom_rpm)
- Fix IRQ probing (ucb1x00-core)
- Ensure fault log is cleared (da9052)
- Remove NO_IRQ check (ucb1x00-core)
- Supply I2C properties (intel-lpss-acpi, intel-lpss-pci)
- Non standard declaration (tps65217, max8997-irq)
- Remove unused code (lp873x, db8500-prcmu, ab8500-debugfs,
cros_ec_spi)
- Make non-modular (altera-a10sr, intel_msic, smsc-ece1099,
sun6i-prcm, twl-core)
- OF bindings (ac100, stmpe, qcom-pm8xxx, qcom-rpm, rk808, axp20x,
lp873x, exynos5433-lpass, act8945a, aspeed-scu, twl6040, arizona)
Bugfixes:
- Release OF pointer (qcom_rpm)
- Avoid double shifting in suspend/resume (88pm80x)
- Fix 'defined but not used' error (exynos-lpass)
- Fix 'sleeping whilst attomic' (atmel-hlcdc)"
* tag 'mfd-for-linus-4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (69 commits)
mfd: arizona: Handle probe deferral for reset GPIO
mfd: arizona: Remove arizona_of_get_named_gpio helper function
mfd: arizona: Add DT options for max_channels_clocked and PDM speaker config
mfd: twl6040: Register child device for twl6040-pdmclk
mfd: cros_ec_spi: Remove unused variable 'request'
mfd: omap-usb-host: Return value is not 'const int'
mfd: ab8500-debugfs: Remove 'weak' function suspend_test_wake_cause_interrupt_is_mine()
mfd: ab8500-debugfs: Remove ab8500_dump_all_banks_to_mem()
mfd: db8500-prcmu: Remove unused *prcmu_set_ddr_opp() calls
mfd: ab8500-debugfs: Prevent initialised field from being over-written
mfd: max8997-irq: 'inline' should be at the beginning of the declaration
mfd: rk808: Fix RK818_IRQ_DISCHG_ILIM initializer
mfd: tps65217: Fix nonstandard declaration
mfd: lp873x: Remove unused mutex lock from struct lp873x
mfd: atmel-hlcdc: Do not sleep in atomic context
mfd: exynos-lpass: Mark PM functions as __maybe_unused
mfd: intel-lpss: Add default I2C device properties for Apollo Lake
mfd: twl-core: Make it explicitly non-modular
mfd: sun6i-prcm: Make it explicitly non-modular
mfd: smsc-ece1099: Make it explicitly non-modular
...
Subsystem improvements:
- Do away with the last users of the obsolete Kconfig options
ARCH_REQUIRE_GPIOLIB and ARCH_WANT_OPTIONAL_GPIOLIB (the latter
always sounded like an item on a wishlist to Santa Claus to
me). We can now select GPIOLIB and be done with it, for all
archs. After some struggle it even work on UM. Not that it has
GPIO, but if it wants to, it can select the library.
- Continued efforts to make drivers properly either tristate or
bool.
- Introduce a warning for drivers assigning default triggers to
their irqchip lines when probed from device tree, so we find and
fix these ambigous drivers. It is agreed that in the OF config
path, the device tree defines trigger characteristics.
- The same warning, mutatis mutandis, for ACPI-probed GPIO
irqchips.
- We introduce the ability to mark certain IRQ lines as "unusable"
as they can be taken by BIOS/firmware, unrouted in silicon and
generally nasty if you use them, and such things. This is
put to good use in the STMPE driver and also in the Cherryview
pin control driver.
- A new "mockup" virtual GPIO device that can be used for testing.
The plan is to add unit tests under tools/* for exercising this
device and verify that the kernel code paths are working as they
should.
- Make memory-mapped I/O-drivers depend on HAS_IOMEM. This was
implicit all the time, but when people started building UM
with allyesconfig or allmodconfig it exploded in their face.
- Move some stray bits of device tree and ACPI HW description
callbacks down into their respective implementation silo. These
were causing issues when compiling on !HAS_IOMEM as well, so
now eventually UM compiles the GPIOLIB library if it wants to.
New drivers:
- New driver for the Aspeed GPIO front-end companion to the
pin controller merged through the pin control tree.
- New driver for the LP873x PMIC GPIO portions.
- New driver for Technologic Systems' I2C FPGA GPIO such as
TS4900, TS-7970, TS-7990 and TS-4100.
- New driver for the Broadcom BCM63xx series including BCM6338
and BCM6345.
- New driver for the Intel WhiskeyCove PMIC GPIO.
- New driver for the Allwinner AXP209 PMIC GPIO portions.
- New driver for Diamond Systems 48 line GPIO-MM, another of
these port-mapped I/O expansion cards.
- Support the STMicroelectronics STMPE1600 variant in the STMPE
driver.
Driver improvements:
- The STMPE driver now supports rising/falling edge detection
properly for IRQs.
- The PCA954x will now fetch and enable its VCC regulator properly.
- Major rework of the PCA953x driver with the goal of eventually
switching it over to use regmap and thus modernize it even more.
- Switch the IOP driver to use the generic MMIO GPIO library.
- Move the ages old HTC EGPIO (extended GPIO) GPIO expander driver
over to this subsystem from MFD, achieveing some separation of
concerns.
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Merge tag 'gpio-v4.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO updates from Linus Walleij:
"This is the bulk of GPIO changes for the v4.9 series:
Subsystem improvements:
- do away with the last users of the obsolete Kconfig options
ARCH_REQUIRE_GPIOLIB and ARCH_WANT_OPTIONAL_GPIOLIB (the latter
always sounded like an item on a wishlist to Santa Claus to me). We
can now select GPIOLIB and be done with it, for all archs. After
some struggle it even work on UM. Not that it has GPIO, but if it
wants to, it can select the library.
- continued efforts to make drivers properly either tristate or bool.
- introduce a warning for drivers assigning default triggers to their
irqchip lines when probed from device tree, so we find and fix
these ambigous drivers. It is agreed that in the OF config path,
the device tree defines trigger characteristics.
- the same warning, mutatis mutandis, for ACPI-probed GPIO irqchips.
- we introduce the ability to mark certain IRQ lines as "unusable" as
they can be taken by BIOS/firmware, unrouted in silicon and
generally nasty if you use them, and such things. This is put to
good use in the STMPE driver and also in the Cherryview pin control
driver.
- a new "mockup" virtual GPIO device that can be used for testing.
The plan is to add unit tests under tools/* for exercising this
device and verify that the kernel code paths are working as they
should.
- make memory-mapped I/O-drivers depend on HAS_IOMEM. This was
implicit all the time, but when people started building UM with
allyesconfig or allmodconfig it exploded in their face.
- move some stray bits of device tree and ACPI HW description
callbacks down into their respective implementation silo. These
were causing issues when compiling on !HAS_IOMEM as well, so now
eventually UM compiles the GPIOLIB library if it wants to.
New drivers:
- new driver for the Aspeed GPIO front-end companion to the pin
controller merged through the pin control tree.
- new driver for the LP873x PMIC GPIO portions.
- new driver for Technologic Systems' I2C FPGA GPIO such as TS4900,
TS-7970, TS-7990 and TS-4100.
- new driver for the Broadcom BCM63xx series including BCM6338 and
BCM6345.
- new driver for the Intel WhiskeyCove PMIC GPIO.
- new driver for the Allwinner AXP209 PMIC GPIO portions.
- new driver for Diamond Systems 48 line GPIO-MM, another of these
port-mapped I/O expansion cards.
- support the STMicroelectronics STMPE1600 variant in the STMPE
driver.
Driver improvements:
- the STMPE driver now supports rising/falling edge detection
properly for IRQs.
- the PCA954x will now fetch and enable its VCC regulator properly.
- major rework of the PCA953x driver with the goal of eventually
switching it over to use regmap and thus modernize it even more.
- switch the IOP driver to use the generic MMIO GPIO library.
- move the ages old HTC EGPIO (extended GPIO) GPIO expander driver
over to this subsystem from MFD, achieveing some separation of
concerns"
* tag 'gpio-v4.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (81 commits)
gpio: add missing static inline
gpio: OF: localize some gpiochip init functions
gpio: acpi: separation of concerns
gpio: OF: separation of concerns
gpio: make memory-mapped drivers depend on HAS_IOMEM
gpio: stmpe: use BIT() macro
gpio: stmpe: forbid unused lines to be mapped as IRQs
mfd/gpio: Move HTC GPIO driver to GPIO subsystem
gpio: MAINTAINERS: Add an entry for GPIO mockup driver
gpio/mockup: add virtual gpio device
gpio: Added zynq specific check for special pins on bank zero
gpio: axp209: Implement get_direction
gpio: aspeed: remove redundant return value check
gpio: loongson1: remove redundant return value check
ARM: omap2: fix missing include
gpio: tc3589x: fix up complaints on unsigned
gpio: tc3589x: add .get_direction() and small cleanup
gpio: f7188x: use gpiochip_get_data instead of container_of
gpio: tps65218: use devm_gpiochip_add_data() for gpio registration
gpio: aspeed: fix return value check in aspeed_gpio_probe()
...
Added one additional parameter to thermal_zone_device_update() to provide
caller with an optional capability to specify reason.
Currently this event is used by user space governor to trigger different
processing based on event code. Also it saves an additional call to read
temperature when the event is received.
The following events are cuurently defined:
- Unspecified event
- New temperature sample
- Trip point violated
- Trip point changed
- thermal device up and down
- thermal device power capability changed
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
We get 2 warnings when building kernel with W=1:
drivers/regulator/dbx500-prcmu.c:78:6: warning: no previous prototype for 'ux500_regulator_suspend_debug' [-Wmissing-prototypes]
drivers/regulator/dbx500-prcmu.c:87:6: warning: no previous prototype for 'ux500_regulator_resume_debug' [-Wmissing-prototypes]
In fact, these functions are unused in
dbx500-prcmu.c, but should be removed.
So this patch removes the unused functions.
Signed-off-by: Baoyou Xie <baoyou.xie@linaro.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
Three files are modified, the driver, header file and the binding document.
Updates for the regulator source file include and .of_match_table entry
and node match checking in the probe() function for a compatible pv88080
silicon type. A new "HVBUCK" is added in source file and added
regsiter definition in header file for pv88080 bb silicion.
The binding documentation changes have been made to reflect these updates.
Signed-off-by: Eric Jeong <eric.jeong.opensource@diasemi.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
drms_uA_update() always returns failure when it cannot find regulator's
input voltage. But if hardware supports load configuration with
ops->set_load() and the input regulator isn't specified with valid reason
such as the input regulator is battery, not finding input voltage is
normal so such case should not return with an error.
Avoid such inadequate error return by checking input/output voltages
only when drms_uA_update() is about to configure load with enum based
ops->set_mode().
Cc: Liam Girdwood <lgirdwood@gmail.com>
Cc: Mark Brown <broonie@kernel.org>
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Joonwoo Park <joonwoop@codeaurora.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
http://www.ti.com/lit/pdf/SWCZ010:
DCDC o/p voltage can go higher than programmed value
Impact:
VDDI, VDD2, and VIO output programmed voltage level can go higher than
expected or crash, when coming out of PFM to PWM mode or using DVFS.
Description:
When DCDC CLK SYNC bits are 11/01:
* VIO 3-MHz oscillator is the source clock of the digital core and input
clock of VDD1 and VDD2
* Turn-on of VDD1 and VDD2 HSD PFETis synchronized or at a constant
phase shift
* Current pulled though VCC1+VCC2 is Iload(VDD1) + Iload(VDD2)
* The 3 HSD PFET will be turned-on at the same time, causing the highest
possible switching noise on the application. This noise level depends
on the layout, the VBAT level, and the load current. The noise level
increases with improper layout.
When DCDC CLK SYNC bits are 00:
* VIO 3-MHz oscillator is the source clock of digital core
* VDD1 and VDD2 are running on their own 3-MHz oscillator
* Current pulled though VCC1+VCC2 average of Iload(VDD1) + Iload(VDD2)
* The switching noise of the 3 SMPS will be randomly spread over time,
causing lower overall switching noise.
Workaround:
Set DCDCCTRL_REG[1:0]= 00.
Signed-off-by: Jan Remmet <j.remmet@phytec.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
The new op is analogous to set_voltage_time_sel. It can be used by
regulators which don't have a table of discrete voltages. The function
returns the time for the regulator output voltage to stabilize after
being set to a new value, in microseconds. If the op is not set a
default implementation is used to calculate the delay.
This change also removes the ramp_delay calculation in the PWM
regulator, since the driver now uses the core code for the calculation
of the delay.
Signed-off-by: Matthias Kaehlcke <mka@chromium.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
The current code assumes that only the ramp_delay is used to determine
the time needed for the voltage to stabilize. This may be true for the
calculation done by regulator_set_voltage_time_sel(), however regulators
can implement their own set_voltage_time_sel() op which would be skipped
if no ramp delay is specified. Remove the check in
_regulator_do_set_voltage(), the functions calculating the ramp delay
return 0 anyway when the ramp delay is not configured.
Signed-off-by: Matthias Kaehlcke <mka@chromium.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
If the voltage can not be set jump to the end of the function. This
avoids having to check for an error multiple times and eliminates one
level of nesting in a follow-up change.
Signed-off-by: Matthias Kaehlcke <mka@chromium.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
