Commit Graph

1463 Commits

Author SHA1 Message Date
Linus Torvalds
12e7b0a627 Merge tag 'mfd-for-linus-4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull MFD updates from Lee Jones:
 "New Drivers:
   - Freescale Touch Screen ADC
   - X-Powers AXP PMIC with RSB
   - TI TPS65086 Power Management IC (PMIC)

  New Device Support:
   - Supply device PCI IDs for Intel Broxton

  Fix-ups:
   - Move to clkdev_create() API; intel_quark_i2c_gpio
   - Complete re-write of TI's TPS65912 Power Management IC (PMIC)
   - Remove unnecessary function argument; axp20x
   - Separate out bus related code; axp20x
   - Coding Style changes; axp20x
   - Allow more drivers to be compiled as modules
   - Work around false positive 'used uninitialised' warning; db8500-prcmu

  Bug Fixes:
   - Remove do_div(); fsl-imx25-gcq
   - Fix driver init when built-in; tps65010
   - Fix clock-unregister leak; intel-lpss"

* tag 'mfd-for-linus-4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (53 commits)
  mfd: intel-lpss: Pass I2C configuration via properties on BXT
  mfd: imx6sx: Add PCIe register definitions for iomuxc gpr
  mfd: ipaq-micro: Use __maybe_unused to hide pm functions
  mfd: max77686: Add max77802 to I2C device ID table
  mfd: max77686: Export OF module alias information
  mfd: max77686: Allow driver to be built as a module
  mfd: stmpe: Add the proper PWM resources
  mfd: tps65090: Set regmap config reg counts properly
  mfd: syscon: Return ENOTSUPP instead of ENOSYS when disabled
  mfd: as3711: Set regmap config reg counts properly
  mfd: rc5t583: Set regmap config reg counts properly
  gpio: tps65086: Add GPO driver for the TPS65086 PMIC
  mfd: mt6397: Add platform device ID table
  mfd: da9063: Fix missing volatile registers in the core regmap_range volatile lists
  mfd: mt6397: Add MT6323 support to MT6397 driver
  mfd: mt6397: Add support for different Slave types
  mfd: mt6397: int_con and int_status may vary in location
  dt-bindings: mfd: Add bindings for the MediaTek MT6323 PMIC
  mfd: da9062: Fix missing volatile registers in the core regmap_range volatile lists
  mfd: Add documentation for ACT8945A DT bindings
  ...
2016-03-18 10:15:11 -07:00
Linus Torvalds
1a46712aa9 Merge tag 'gpio-v4.6-1' 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 kernel v4.6.  There is quite a
  lot of interesting stuff going on.

  The patches to other subsystems and arch-wide are ACKed as far as
  possible, though I consider things like per-arch <asm/gpio.h> as
  essentially a part of the GPIO subsystem so it should not be needed.

  Core changes:

   - The gpio_chip is now a *real device*.  Until now the gpio chips
     were just piggybacking the parent device or (gasp) floating in
     space outside of the device model.

     We now finally make GPIO chips devices.  The gpio_chip will create
     a gpio_device which contains a struct device, and this gpio_device
     struct is kept private.  Anything that needs to be kept private
     from the rest of the kernel will gradually be moved over to the
     gpio_device.

   - As a result of making the gpio_device a real device, we have added
     resource management, so devm_gpiochip_add_data() will cut down on
     overhead and reduce code lines.  A huge slew of patches convert
     almost all drivers in the subsystem to use this.

   - Building on making the GPIO a real device, we add the first step of
     a new userspace ABI: the GPIO character device.  We take small
     steps here, so we first add a pure *information* ABI and the tool
     "lsgpio" that will list all GPIO devices on the system and all
     lines on these devices.

     We can now discover GPIOs properly from userspace.  We still have
     not come up with a way to actually *use* GPIOs from userspace.

   - To encourage people to use the character device for the future, we
     have it always-enabled when using GPIO.  The old sysfs ABI is still
     opt-in (and can be used in parallel), but is marked as deprecated.

     We will keep it around for the foreseeable future, but it will not
     be extended to cover ever more use cases.

  Cleanup:

   - Bjorn Helgaas removed a whole slew of per-architecture <asm/gpio.h>
     includes.

     This dates back to when GPIO was an opt-in feature and no shared
     library even existed: just a header file with proper prototypes was
     provided and all semantics were up to the arch to implement.  These
     patches make the GPIO chip even more a proper device and cleans out
     leftovers of the old in-kernel API here and there.

     Still some cruft is left but it's very little now.

   - There is still some clamping of return values for .get() going on,
     but we now return sane values in the vast majority of drivers and
     the errorpath is sanitized.  Some patches for powerpc, blackfin and
     unicore still drop in.

   - We continue to switch the ARM, MIPS, blackfin, m68k local GPIO
     implementations to use gpiochip_add_data() and cut down on code
     lines.

   - MPC8xxx is converted to use the generic GPIO helpers.

   - ATH79 is converted to use the generic GPIO helpers.

  New drivers:

   - WinSystems WS16C48

   - Acces 104-DIO-48E

   - F81866 (a F7188x variant)

   - Qoric (a MPC8xxx variant)

   - TS-4800

   - SPI serializers (pisosr): simple 74xx shift registers connected to
     SPI to obtain a dirt-cheap output-only GPIO expander.

   - Texas Instruments TPIC2810

   - Texas Instruments TPS65218

   - Texas Instruments TPS65912

   - X-Gene (ARM64) standby GPIO controller"

* tag 'gpio-v4.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (194 commits)
  Revert "Share upstreaming patches"
  gpio: mcp23s08: Fix clearing of interrupt.
  gpiolib: Fix comment referring to gpio_*() in gpiod_*()
  gpio: pca953x: Fix pca953x_gpio_set_multiple() on 64-bit
  gpio: xgene: Fix kconfig for standby GIPO contoller
  gpio: Add generic serializer DT binding
  gpio: uapi: use 0xB4 as ioctl() major
  gpio: tps65912: fix bad merge
  Revert "gpio: lp3943: Drop pin_used and lp3943_gpio_request/lp3943_gpio_free"
  gpio: omap: drop dev field from gpio_bank structure
  gpio: mpc8xxx: Slightly update the code for better readability
  gpio: mpc8xxx: Remove *read_reg and *write_reg from struct mpc8xxx_gpio_chip
  gpio: mpc8xxx: Fixup setting gpio direction output
  gpio: mcp23s08: Add support for mcp23s18
  dt-bindings: gpio: altera: Fix altr,interrupt-type property
  gpio: add driver for MEN 16Z127 GPIO controller
  gpio: lp3943: Drop pin_used and lp3943_gpio_request/lp3943_gpio_free
  gpio: timberdale: Switch to devm_ioremap_resource()
  gpio: ts4800: Add IMX51 dependency
  gpiolib: rewrite gpiodev_add_to_list
  ...
2016-03-17 21:05:32 -07:00
Linus Torvalds
8eee93e257 Merge tag 'char-misc-4.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc updates from Greg KH:
 "Here is the big char/misc driver update for 4.6-rc1.

  The majority of the patches here is hwtracing and some new mic
  drivers, but there's a lot of other driver updates as well.  Full
  details in the shortlog.

  All have been in linux-next for a while with no reported issues"

* tag 'char-misc-4.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (238 commits)
  goldfish: Fix build error of missing ioremap on UM
  nvmem: mediatek: Fix later provider initialization
  nvmem: imx-ocotp: Fix return value of imx_ocotp_read
  nvmem: Fix dependencies for !HAS_IOMEM archs
  char: genrtc: replace blacklist with whitelist
  drivers/hwtracing: make coresight-etm-perf.c explicitly non-modular
  drivers: char: mem: fix IS_ERROR_VALUE usage
  char: xillybus: Fix internal data structure initialization
  pch_phub: return -ENODATA if ROM can't be mapped
  Drivers: hv: vmbus: Support kexec on ws2012 r2 and above
  Drivers: hv: vmbus: Support handling messages on multiple CPUs
  Drivers: hv: utils: Remove util transport handler from list if registration fails
  Drivers: hv: util: Pass the channel information during the init call
  Drivers: hv: vmbus: avoid unneeded compiler optimizations in vmbus_wait_for_unload()
  Drivers: hv: vmbus: remove code duplication in message handling
  Drivers: hv: vmbus: avoid wait_for_completion() on crash
  Drivers: hv: vmbus: don't loose HVMSG_TIMER_EXPIRED messages
  misc: at24: replace memory_accessor with nvmem_device_read
  eeprom: 93xx46: extend driver to plug into the NVMEM framework
  eeprom: at25: extend driver to plug into the NVMEM framework
  ...
2016-03-17 13:47:50 -07:00
Christoph Fritz
2609e4daaa mfd: imx6sx: Add PCIe register definitions for iomuxc gpr
This patch adds macros to define masks and bits for imx6sx
PCIe registers. This is based on a patch by Richard Zhu.

Signed-off-by: Christoph Fritz <chf.fritz@googlemail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-03-16 08:50:41 +00:00
Maciej S. Szmigiero
5c1488906f mfd: tps65090: Set regmap config reg counts properly
Regmap config max_register field should contain number of
device last register, however num_reg_defaults_raw field
should be set to register count instead
(usually one register more than max_register).

tps65090 driver had both of these fields set to the same value,
fix this by introducing separate defines for max register
number and total count of registers.

Signed-off-by: Maciej S. Szmigiero <mail@maciej.szmigiero.name>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-03-16 08:50:36 +00:00
Philipp Zabel
8c037e0c8e mfd: syscon: Return ENOTSUPP instead of ENOSYS when disabled
When CONFIG_MFD_SYSCON is disabled, have the function stubs return
ENOTSUPP to indicate the syscon functionality is not available.
There are currently no callers that depend on the ENOSYS return value.

This patchfixes a checkpatch warning:
    WARNING: ENOSYS means 'invalid syscall nr' and nothing else

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-03-16 08:50:35 +00:00
Maciej S. Szmigiero
e9b7ba7954 mfd: as3711: Set regmap config reg counts properly
Regmap config max_register field should contain number of
device last register, however num_reg_defaults_raw field
should be set to register count instead
(usually one register more than max_register).

as3711 driver had both of these fields set to the same value,
fix this by introducing separate defines for max register
number and total count of registers.

Signed-off-by: Maciej S. Szmigiero <mail@maciej.szmigiero.name>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-03-16 08:50:34 +00:00
Maciej S. Szmigiero
a862dc3ea7 mfd: rc5t583: Set regmap config reg counts properly
Regmap config max_register field should contain number of
device last register, however num_reg_defaults_raw field
should be set to register count instead
(usually one register more than max_register).

rc5t583 driver had both of these fields set to the same value,
fix this by introducing separate defines for max register
number and total count of registers.

Signed-off-by: Maciej S. Szmigiero <mail@maciej.szmigiero.name>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-03-16 08:50:34 +00:00
John Crispin
44760cf3bf mfd: mt6397: Add MT6323 support to MT6397 driver
Signed-off-by: John Crispin <blogic@openwrt.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-03-16 08:50:30 +00:00
John Crispin
feec4799ac mfd: mt6397: int_con and int_status may vary in location
MT6323 has the INT_CON and INT_STATUS located at a different position.
Make the registers locations configurable.

Signed-off-by: John Crispin <blogic@openwrt.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-03-16 08:50:28 +00:00
Tomeu Vizoso
f4bcf5a29d mfd: cros_ec: Small kerneldoc fix
s/cros_ec_register/cros_ec_query_all

Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-03-16 08:50:24 +00:00
Andrew F. Davis
b45b719ee0 mfd: tps65086: Add driver for the TPS65086 PMIC
Add support for the TPS65912 device. It provides communication
through I2C and contains the following components:

 - Regulators
 - Load switches
 - GPO controller

Signed-off-by: Andrew F. Davis <afd@ti.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-03-16 08:50:15 +00:00
Laxman Dewangan
f3937549a9 rtc: max77686: move initialisation of rtc regmap, irq chip locally
To make RTC block of MAX77686/MAX77802 as independent driver,
move the registration of i2c device, regmap for register access
and irq_chip for interrupt support inside the RTC driver.
Removed the same initialisation from MFD driver.

Having this change will allow to reuse this driver for different
PMIC/devices from Maxim Semiconductor if they kept same RTC IP on
different PMIC. Some of examples as PMIC MAX77620, MAX20024 where
same RTC IP used and hence driver for these chips will use this
driver only for RTC support.

Suggested-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Tested-by: Javier Martinez Canillas <javier@osg.samsung.com>
Reviewed-by: Javier Martinez Canillas <javier@osg.samsung.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Tested-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
2016-03-14 17:08:13 +01:00
Linus Walleij
70aba44b6c Revert "gpio: lp3943: Drop pin_used and lp3943_gpio_request/lp3943_gpio_free"
This reverts commit 3fab91ea28.
2016-03-09 22:00:27 +07:00
Linus Walleij
0bae2f1732 Merge branch 'ib-mfd-regulator-gpio-4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd into devel 2016-03-09 17:40:37 +07:00
Lee Jones
bab070620e Merge branches 'ib-mfd-clk-4.6', 'ib-mfd-input-iio-4.6', 'ib-mfd-regulator-4.6' and 'ib-mfd-regulator-gpio-4.6' into ibs-for-mfd-merged 2016-03-09 12:56:47 +07:00
Axel Lin
3fab91ea28 gpio: lp3943: Drop pin_used and lp3943_gpio_request/lp3943_gpio_free
The implementation of lp3943_gpio_request/lp3943_gpio_free test pin_used
for tracing the pin usage. However, gpiolib already checks FLAG_REQUESTED
flag for the same purpose. So remove the redundant implementation.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-03-09 09:17:55 +07:00
Chen-Yu Tsai
02071f0f79 mfd: axp20x: Add support for RSB based AXP223 PMIC
The AXP223 is a new PMIC commonly paired with Allwinner A23/A33 SoCs.
It is functionally identical to AXP221; only the regulator default
voltage/status and the external host interface are different.

Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-02-12 08:54:42 +00:00
Chen-Yu Tsai
4fd4115142 mfd: axp20x: Split the driver into core and i2c bits
The axp20x driver assumes the device is i2c based. This is not the
case with later chips, which use a proprietary 2 wire serial bus
by Allwinner called "Reduced Serial Bus".

This patch follows the example of mfd/wm831x and splits it into
an interface independent core, and an i2c specific glue layer.
MFD_AXP20X and the new MFD_AXP20X_I2C are changed to tristate
symbols, allowing the driver to be built as modules.

Whitespace and other style errors in the moved i2c specific code
have been fixed. Included but unused header files are removed as
well.

Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-02-12 08:53:03 +00:00
Andrew F. Davis
796f5692da mfd: tps65912: Add driver for the TPS65912 PMIC
This patch adds support for TPS65912 PMIC MFD core. It provides
communication through the I2C and SPI interfaces. It contains
the following components:

 - Regulators
 - GPIO controller

Signed-off-by: Andrew F. Davis <afd@ti.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-02-11 16:30:59 +00:00
Andrew F. Davis
65b6555971 mfd: tps65912: Remove old driver in preparation for new driver
The old tps65912 driver is being replaced, delete old driver.

Signed-off-by: Andrew F. Davis <afd@ti.com>
Acked-by: Mark Brown <broonie@kernel.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-02-11 16:30:31 +00:00
Markus Pargmann
e2fccf5c15 mfd: fsl-imx25-tsadc: Register touchscreen ADC driver
This is the core driver for imx25 touchscreen/adc driver. The module
has one shared ADC and two different conversion queues which use the
ADC. The two queues are identical. Both can be used for general purpose
ADC but one is meant to be used for touchscreens.

This driver is the core which manages the central components and
registers of the TSC/ADC unit. It manages the IRQs and forwards them to
the correct components.

Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
Signed-off-by: Denis Carikli <denis@eukrea.com>
[ensure correct ADC clock depending on the IPG clock]
Signed-off-by: Juergen Borleis <jbe@pengutronix.de>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-02-11 15:40:41 +00:00
Felipe Balbi
b7aad8e268 extcon: palmas: Add the support for VBUS detection by using GPIO
This patch support for VBUS detection by using GPIO pin.

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
2016-02-05 14:15:31 +09:00
Linus Torvalds
c38dec7166 Merge tag 'rtc-4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
Pull RTC updates from Alexandre Belloni:
 "Core:
   - fix module reference count in rtc-proc
   - Replace simple_strtoul by kstrtoul

  New driver:
   - Epson RX8010SJ

  Subsystem wide cleanups:
   - use %ph for short hex dumps
   - constify *_chip_ops structures

  Drivers:
   - abx80x: Microcrystal rv1805 support, alarm support
   - cmos: prevent kernel warning on IRQ flags mismatch
   - s5m: various cleanups
   - rv8803: rx8900 compatibility, small error path fix
   - sunxi: various cleanups
   - lpc32xx: remove irq > NR_IRQS check from probe()
   - imxdi: fix spelling mistake in warning message
   - ds1685: don't try to micromanage sysfs output size
   - da9063: avoid writing undefined data to rtc
   - gemini: Remove unnecessary platform_set_drvdata()
   - efi: add efi_procfs in efi_rtc_ops
   - pcf8523: refuse to write dates later than 2099"

* tag 'rtc-4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (24 commits)
  rtc: cmos: prevent kernel warning on IRQ flags mismatch
  rtc: rtc-ds2404: constify ds2404_chip_ops structures
  rtc: s5m: Make register configuration per S2MPS device to remove exceptions
  rtc: s5m: Add separate field for storing auto-cleared mask in register config
  rtc: s5m: Cleanup by removing useless 'rtc' prefix from fields
  rtc: Replace simple_strtoul by kstrtoul
  rtc: abx80x: add alarm support
  rtc: abx80x: Add Microcrystal rv1805 support
  rtc: v3020: constify v3020_chip_ops structures
  rtc: rv8803: Extend compatibility with the rx8900
  rtc: rv8803: fix handling return value of i2c_smbus_read_byte_data
  rtc: Add Epson RX8010SJ RTC driver
  rtc: lpc32xx: remove irq > NR_IRQS check from probe()
  rtc: imxdi: fix spelling mistake in warning message
  rtc: ds1685: don't try to micromanage sysfs output size
  rtc: use %ph for short hex dumps
  rtc: da9063: avoid writing undefined data to rtc
  rtc: sunxi: use of_device_get_match_data
  rtc: sunxi: constify the data_year_param structure
  rtc: sunxi: fix signedness issues
  ...
2016-01-18 12:10:45 -08:00
Linus Torvalds
4b43ea2a7c Merge tag 'regulator-v4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator updates from Mark Brown:
 "Aside from a fix for a spurious warning (which caused more problems
  than it fixed in the fixing really) this is all driver updates,
  including new drivers for Dialog PV88060/90 and TI LM363x and TPS65086
  devices.  The qcom_smd driver has had PM8916 and PMA8084 support
  added"

* tag 'regulator-v4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (36 commits)
  regulator: core: remove some dead code
  regulator: core: use dev_to_rdev
  regulator: lp872x: Get rid of duplicate reference to DVS GPIO
  regulator: lp872x: Add missing of_match in regulators descriptions
  regulator: axp20x: Fix GPIO LDO enable value for AXP22x
  regulator: lp8788: constify regulator_ops structures
  regulator: wm8*: constify regulator_ops structures
  regulator: da9*: constify regulator_ops structures
  regulator: mt6311: Use REGCACHE_RBTREE
  regulator: tps65917/palmas: Add bypass ops for LDOs with bypass capability
  regulator: qcom-smd: Add support for PMA8084
  regulator: qcom-smd: Add PM8916 support
  soc: qcom: documentation: Update SMD/RPM Docs
  regulator: pv88090: logical vs bitwise AND typo
  regulator: pv88090: Fix irq leak
  regulator: pv88090: new regulator driver
  regulator: wm831x-ldo: Use platform_register/unregister_drivers()
  regulator: wm831x-dcdc: Use platform_register/unregister_drivers()
  regulator: lp8788-ldo: Use platform_register/unregister_drivers()
  regulator: core: Fix nested locking of supplies
  ...
2016-01-15 12:14:47 -08:00