Commit Graph

664 Commits

Author SHA1 Message Date
Linus Torvalds
3af49062b0 - New Drivers
- Add support for  Renesas RZ/G2L MTU3
 
  - New Device Support
    - Add support for Lenovo Yoga Book X90F to Intel CHT WC
    - Add support for MAX5970 and MAX5978 to Simple MFD (I2C)
    - Add support for Meteor Lake PCH-S LPSS PCI to Intel LPSS PCI
    - Add support for AXP15060 PMIC to X-Powers PMIC collection
 
  - Remove Device Support
    - Remove support for Samsung 5M8751 and S5M8763 PMIC devices
 
  - New Functionality
    - Convert deprecated QCOM IRQ Chip to config registers
    - Add support for 32-bit address spaces to Renesas SMUs
 
  - Fix-ups
    - Make use of APIs / MACROs designed to simplify and demystify
    - Add / improve Device Tree bindings
    - Memory saving struct layout optimisations
    - Remove old / deprecated functionality
    - Factor out unassigned register addresses from ranges
    - Trivial: Spelling fixes, renames and coding style fixes
    - Rid 'defined but not used' warnings
    - Remove ineffective casts and pointer stubs
 
  - Bug Fixes
    - Fix incorrectly non-inverted mask/unmask IRQs on QCOM platforms
    - Remove MODULE_*() helpers from non-tristate drivers
    - Do not attempt to use out-of-range memory addresses associated with io_base
    - Provide missing export helpers
    - Fix remap bulk read optimisation fallout
    - Fix memory leak issues in error paths
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Merge tag 'mfd-next-6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd

Pull MFD updates from Lee Jones:
 "New Drivers:
   - Add support for  Renesas RZ/G2L MTU3

  New Device Support:
   - Add support for Lenovo Yoga Book X90F to Intel CHT WC
   - Add support for MAX5970 and MAX5978 to Simple MFD (I2C)
   - Add support for Meteor Lake PCH-S LPSS PCI to Intel LPSS PCI
   - Add support for AXP15060 PMIC to X-Powers PMIC collection

  Remove Device Support:
   - Remove support for Samsung 5M8751 and S5M8763 PMIC devices

  New Functionality:
   - Convert deprecated QCOM IRQ Chip to config registers
   - Add support for 32-bit address spaces to Renesas SMUs

  Fix-ups:
   - Make use of APIs / MACROs designed to simplify and demystify
   - Add / improve Device Tree bindings
   - Memory saving struct layout optimisations
   - Remove old / deprecated functionality
   - Factor out unassigned register addresses from ranges
   - Trivial: Spelling fixes, renames and coding style fixes
   - Rid 'defined but not used' warnings
   - Remove ineffective casts and pointer stubs

  Bug Fixes:
   - Fix incorrectly non-inverted mask/unmask IRQs on QCOM platforms
   - Remove MODULE_*() helpers from non-tristate drivers
   - Do not attempt to use out-of-range memory addresses associated with io_base
   - Provide missing export helpers
   - Fix remap bulk read optimisation fallout
   - Fix memory leak issues in error paths"

* tag 'mfd-next-6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (88 commits)
  dt-bindings: mfd: ti,j721e-system-controller: Add SoC chip ID
  leds: bd2606mvv: Driver for the Rohm 6 Channel i2c LED driver
  dt-bindings: mfd: qcom,spmi-pmic: Document flash LED controller
  dt-bindings: mfd: x-powers,axp152: Document the AXP15060 variant
  mfd: axp20x: Add support for AXP15060 PMIC
  dt-bindings: mfd: x-powers,axp152: Document the AXP313a variant
  counter: rz-mtu3-cnt: Unlock on error in rz_mtu3_count_ceiling_write()
  dt-bindings: mfd: dlg,da9063: Document voltage monitoring
  dt-bindings: mfd: stm32: Remove unnecessary blank lines
  dt-bindings: mfd: qcom,spmi-pmic: Use generic ADC node name in examples
  dt-bindings: mfd: syscon: Add nuvoton,ma35d1-sys compatible
  MAINTAINERS: Add entries for Renesas RZ/G2L MTU3a counter driver
  counter: Add Renesas RZ/G2L MTU3a counter driver
  Documentation: ABI: sysfs-bus-counter: add cascade_counts_enable and external_input_phase_clock_select
  mfd: Add Renesas RZ/G2L MTU3a core driver
  dt-bindings: timer: Document RZ/G2L MTU3a bindings
  mfd: rsmu_i2c: Convert to i2c's .probe_new() again
  mfd: intel-lpss: Add Intel Meteor Lake PCH-S LPSS PCI IDs
  mfd: dln2: Fix memory leak in dln2_probe()
  mfd: axp20x: Fix axp288 writable-ranges
  ...
2023-05-02 10:41:31 -07:00
Ye Xiang
c5a4b6fd31 gpio: Add support for Intel LJCA USB GPIO driver
This patch implements the GPIO function of Intel USB-I2C/GPIO/SPI adapter
device named "La Jolla Cove Adapter" (LJCA). It communicate with LJCA
GPIO module with specific protocol through interfaces exported by LJCA USB
driver.

Signed-off-by: Ye Xiang <xiang.ye@intel.com>
Signed-off-by: Lee Jones <lee@kernel.org>
Link: https://lore.kernel.org/r/20230225140118.2037220-3-xiang.ye@intel.com
2023-04-26 11:40:29 +01:00
Linus Torvalds
2c96606a0f gpio updates for v6.4-rc1
New drivers:
 - add a driver for the Loongson GPIO controller
 - add a driver for the fxl6408 I2C GPIO expander
 - add a GPIO module containing code common for Intel Elkhart Lake and
   Merrifield platforms
 - add a driver for the Intel Elkhart Lake platform reusing the code from
   the intel tangier library
 
 GPIOLIB core:
 - GPIO ACPI improvements
 - simplify gpiochip_add_data_with_keys() fwnode handling
 - cleanup header inclusions (remove unneeded ones, order the rest
   alphabetically)
 - remove duplicate code (reuse krealloc() instead of open-coding it, drop
   a duplicated check in gpiod_find_and_request())
 - reshuffle the code to remove unnecessary forward declarations
 - coding style cleanups and improvements
 - add a helper for accessing device fwnodes
 - small updates in docs
 
 Driver improvements:
 - convert all remaining GPIO irqchip drivers to using immutable irqchips
 - drop unnecessary of_match_ptr() macro expansions
 - shrink the code in gpio-merrifield significantly by reusing the code from
   gpio-tangier + minor tweaks to the driver code
 - remove MODULE_LICENSE() from drivers that can only be built-in
 - add device-tree support to gpio-loongson1
 - use new regmap features in gpio-104-dio-48e and gpio-pcie-idio-24
 - minor tweaks and fixes to gpio-xra1403, gpio-sim, gpio-tegra194, gpio-omap,
   gpio-aspeed, gpio-raspberrypi-exp
 - shrink code in gpio-ich and gpio-pxa
 - Kconfig tweak for gpio-pmic-eic-sprd
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Merge tag 'gpio-updates-for-v6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux

Pull gpio updates from Bartosz Golaszewski:
 "We have some new drivers, significant refactoring of existing intel
  platforms, lots of improvements all around, mass conversion to using
  immutable irqchips by drivers that had not been converted individually
  yet and some changes in the core library code.

  Summary:

  New drivers:
   - add a driver for the Loongson GPIO controller
   - add a driver for the fxl6408 I2C GPIO expander
   - add a GPIO module containing code common for Intel Elkhart Lake and
     Merrifield platforms
   - add a driver for the Intel Elkhart Lake platform reusing the code
     from the intel tangier library

  GPIOLIB core:
   - GPIO ACPI improvements
   - simplify gpiochip_add_data_with_keys() fwnode handling
   - cleanup header inclusions (remove unneeded ones, order the rest
     alphabetically)
   - remove duplicate code (reuse krealloc() instead of open-coding it,
     drop a duplicated check in gpiod_find_and_request())
   - reshuffle the code to remove unnecessary forward declarations
   - coding style cleanups and improvements
   - add a helper for accessing device fwnodes
   - small updates in docs

  Driver improvements:
   - convert all remaining GPIO irqchip drivers to using immutable
     irqchips
   - drop unnecessary of_match_ptr() macro expansions
   - shrink the code in gpio-merrifield significantly by reusing the
     code from gpio-tangier + minor tweaks to the driver code
   - remove MODULE_LICENSE() from drivers that can only be built-in
   - add device-tree support to gpio-loongson1
   - use new regmap features in gpio-104-dio-48e and gpio-pcie-idio-24
   - minor tweaks and fixes to gpio-xra1403, gpio-sim, gpio-tegra194,
     gpio-omap, gpio-aspeed, gpio-raspberrypi-exp
   - shrink code in gpio-ich and gpio-pxa
   - Kconfig tweak for gpio-pmic-eic-sprd"

* tag 'gpio-updates-for-v6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux: (99 commits)
  gpio: gpiolib: Simplify gpiochip_add_data_with_key() fwnode
  gpiolib: Add gpiochip_set_data() helper
  gpiolib: Move gpiochip_get_data() higher in the code
  gpiolib: Check array_info for NULL only once in gpiod_get_array()
  gpiolib: Replace open coded krealloc()
  gpiolib: acpi: Add a ignore wakeup quirk for Clevo NL5xNU
  gpiolib: acpi: Move ACPI device NULL check to acpi_get_driver_gpio_data()
  gpiolib: acpi: use the fwnode in acpi_gpiochip_find()
  gpio: mm-lantiq: Fix typo in the newly added header filename
  sh: mach-x3proto: Add missing #include <linux/gpio/driver.h>
  powerpc/40x: Add missing select OF_GPIO_MM_GPIOCHIP
  gpio: xlp: Convert to immutable irq_chip
  gpio: xilinx: Convert to immutable irq_chip
  gpio: xgs-iproc: Convert to immutable irq_chip
  gpio: visconti: Convert to immutable irq_chip
  gpio: tqmx86: Convert to immutable irq_chip
  gpio: thunderx: Convert to immutable irq_chip
  gpio: stmpe: Convert to immutable irq_chip
  gpio: siox: Convert to immutable irq_chip
  gpio: rda: Convert to immutable irq_chip
  ...
2023-04-25 17:18:18 -07:00
Bartosz Golaszewski
f09673770e intel-gpio for v6.4-2
* Fixed suspend issue on Clevo NL5xNU
 * Split a new Intel Tangier (library) driver for current and new platforms
 * Introduced a new driver for Intel Elkhart Lake PSE GPIO (see also above)
 * Contained a few fixes for the previous of_gpio.h cleanup
 * Miscellaneous cleanups here and there
 
 The following is an automated git shortlog grouped by driver:
 
 elkhartlake:
  -  Introduce Intel Elkhart Lake PSE GPIO
 
 gpiolib:
  -  acpi: Add a ignore wakeup quirk for Clevo NL5xNU
  -  acpi: Move ACPI device NULL check to acpi_get_driver_gpio_data()
  -  acpi: use the fwnode in acpi_gpiochip_find()
 
 ich:
  -  Use devm_gpiochip_add_data() to simplify remove path
 
 merrifield:
  -  Utilise temporary variable for struct device
  -  Use dev_err_probe()
  -  Adapt to Intel Tangier GPIO driver
 
 mips:
  -  ar7: include linux/gpio/driver.h
 
 mm-lantiq:
  -  Fix typo in the newly added header filename
 
 powerpc/40x:
  -  Add missing select OF_GPIO_MM_GPIOCHIP
 
 sh:
  -  mach-x3proto: Add missing #include <linux/gpio/driver.h>
 
 tangier:
  -  Introduce Intel Tangier GPIO driver
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Merge tag 'intel-gpio-v6.4-2' of git://git.kernel.org/pub/scm/linux/kernel/git/andy/linux-gpio-intel into gpio/for-next

intel-gpio for v6.4-2

* Fixed suspend issue on Clevo NL5xNU
* Split a new Intel Tangier (library) driver for current and new platforms
* Introduced a new driver for Intel Elkhart Lake PSE GPIO (see also above)
* Contained a few fixes for the previous of_gpio.h cleanup
* Miscellaneous cleanups here and there

The following is an automated git shortlog grouped by driver:

elkhartlake:
 -  Introduce Intel Elkhart Lake PSE GPIO

gpiolib:
 -  acpi: Add a ignore wakeup quirk for Clevo NL5xNU
 -  acpi: Move ACPI device NULL check to acpi_get_driver_gpio_data()
 -  acpi: use the fwnode in acpi_gpiochip_find()

ich:
 -  Use devm_gpiochip_add_data() to simplify remove path

merrifield:
 -  Utilise temporary variable for struct device
 -  Use dev_err_probe()
 -  Adapt to Intel Tangier GPIO driver

mips:
 -  ar7: include linux/gpio/driver.h

mm-lantiq:
 -  Fix typo in the newly added header filename

powerpc/40x:
 -  Add missing select OF_GPIO_MM_GPIOCHIP

sh:
 -  mach-x3proto: Add missing #include <linux/gpio/driver.h>

tangier:
 -  Introduce Intel Tangier GPIO driver
2023-04-06 10:39:45 +02:00
Emanuele Ghidoli
03810031c9 gpio: fxl6408: add I2C GPIO expander driver
Add minimal driver for Fairchild FXL6408 8-bit I2C-controlled GPIO expander
using the generic regmap based GPIO driver (GPIO_REGMAP).

The driver implements setting the GPIO direction, reading inputs
and writing outputs.

In addition to that the FXL6408 has the following functionalities:
- allows to monitor input ports for data transitions with an interrupt pin
- all inputs can be configured with pull-up or pull-down resistors

Datasheet: https://www.onsemi.com/download/data-sheet/pdf/fxl6408-d.pdf
Signed-off-by: Emanuele Ghidoli <emanuele.ghidoli@toradex.com>
Co-developed-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
[Bartosz: order includes alphabetically]
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
2023-03-15 13:49:18 +01:00
Yinbo Zhu
b96eb88f59 gpio: loongson: fixup the warning about OF_GPIO direct dependencies
WARNING: unmet direct dependencies detected for OF_GPIO
  Depends on [n]: GPIOLIB [=y] && OF [=n] && HAS_IOMEM [=y]
  Selected by [y]:
  - GPIO_LOONGSON_64BIT [=y] && GPIOLIB [=y] && HAS_IOMEM [=y] && (LOONGARCH || COMPILE_TEST [=y])

Signed-off-by: Yinbo Zhu <zhuyinbo@loongson.cn>
Reported-by: kernel test robot <lkp@intel.com>
Link: https://lore.kernel.org/oe-kbuild-all/202303091728.UUe6LWye-lkp@intel.com
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
2023-03-09 15:49:48 +01:00
Bartosz Golaszewski
aea92b54ee intel-gpio for v6.4-1
* Remove some of the legacy APIs that are not used anymore
 * Clean up headers in the GPIO library and drivers
 
 The following is an automated git shortlog grouped by driver:
 
 aggregator:
  -  Add missing header(s)
 
 ARM:
  -  s3c64xx: Use the right include
  -  orion/gpio: Use the right include
 
 gpiolib:
  -  Clean up headers
  -  Group forward declarations in consumer.h
  -  Deduplicate forward declarations in consumer.h
  -  Drop unused forward declaration from driver.h
  -  split of_mm_gpio_chip out of linux/of_gpio.h
  -  split linux/gpio/driver.h out of linux/gpio.h
  -  remove legacy gpio_export()
  -  remove gpio_set_debounce()
  -  remove asm-generic/gpio.h
  -  coldfire: remove custom asm/gpio.h
  -  remove empty asm/gpio.h files
  -  Make the legacy <linux/gpio.h> consumer-only
 
 hte:
  -  tegra-194: Use proper includes
 
 reg:
  -  Add missing header(s)
 
 regmap:
  -  Add missing header(s)
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Merge tag 'intel-gpio-v6.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/andy/linux-gpio-intel into gpio/for-next

intel-gpio for v6.4-1

* Remove some of the legacy APIs that are not used anymore
* Clean up headers in the GPIO library and drivers

The following is an automated git shortlog grouped by driver:

aggregator:
 -  Add missing header(s)

ARM:
 -  s3c64xx: Use the right include
 -  orion/gpio: Use the right include

gpiolib:
 -  Clean up headers
 -  Group forward declarations in consumer.h
 -  Deduplicate forward declarations in consumer.h
 -  Drop unused forward declaration from driver.h
 -  split of_mm_gpio_chip out of linux/of_gpio.h
 -  split linux/gpio/driver.h out of linux/gpio.h
 -  remove legacy gpio_export()
 -  remove gpio_set_debounce()
 -  remove asm-generic/gpio.h
 -  coldfire: remove custom asm/gpio.h
 -  remove empty asm/gpio.h files
 -  Make the legacy <linux/gpio.h> consumer-only

hte:
 -  tegra-194: Use proper includes

reg:
 -  Add missing header(s)

regmap:
 -  Add missing header(s)
2023-03-08 11:04:32 +01:00
Pandith N
9409d8cf78 gpio: elkhartlake: Introduce Intel Elkhart Lake PSE GPIO
This driver adds support for Intel Elkhart Lake PSE GPIO controller,
using Intel Tangier as a library driver.

Signed-off-by: Pandith N <pandith.n@intel.com>
Co-developed-by: Raag Jadav <raag.jadav@intel.com>
Signed-off-by: Raag Jadav <raag.jadav@intel.com>
Co-developed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2023-03-06 17:10:46 +02:00
Pandith N
34840be534 gpio: merrifield: Adapt to Intel Tangier GPIO driver
Make use of Intel Tangier GPIO as a library driver for Merrifield.

Signed-off-by: Pandith N <pandith.n@intel.com>
Co-developed-by: Raag Jadav <raag.jadav@intel.com>
Signed-off-by: Raag Jadav <raag.jadav@intel.com>
Co-developed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2023-03-06 17:10:46 +02:00
Pandith N
d2c19e89e0 gpio: tangier: Introduce Intel Tangier GPIO driver
Intel Elkhart Lake and Merrifield platforms have same GPIO IP.
Intel Tangier implements the common GPIO functionalities for both
Elkhart Lake and Merrifield platforms.

Signed-off-by: Pandith N <pandith.n@intel.com>
Co-developed-by: Raag Jadav <raag.jadav@intel.com>
Signed-off-by: Raag Jadav <raag.jadav@intel.com>
Co-developed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2023-03-06 17:10:46 +02:00
Arnd Bergmann
a99cc66807 gpiolib: split of_mm_gpio_chip out of linux/of_gpio.h
This is a rarely used feature that has nothing to do with the
client-side of_gpio.h.

Split it out with a separate header file and Kconfig option
so it can be removed on its own timeline aside from removing
the of_gpio consumer interfaces.

Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2023-03-06 12:33:01 +02:00
Arnd Bergmann
94d20f7d67 gpiolib: coldfire: remove custom asm/gpio.h
Now that coldfire is the only user of a custom asm/gpio.h, it seems
better to remove this as well, and have the same interface everywhere.

For the gpio_get_value()/gpio_set_value()/gpio_to_irq(), gpio_cansleep()
functions, the custom version is only a micro-optimization to inline the
function for constant GPIO numbers. However, in the coldfire defconfigs,
I was unable to find a single instance where this micro-optimization
was even used, and according to Geert the only user appears to be the
QSPI chip that is disabled everywhere.

The custom gpio_request_one() function is even less useful, as it is
guarded by an #ifdef that is never true.

Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2023-03-06 12:33:01 +02:00
Randy Dunlap
d49765b5f4 gpio: GPIO_REGMAP: select REGMAP instead of depending on it
REGMAP is a hidden (not user visible) symbol. Users cannot set it
directly thru "make *config", so drivers should select it instead of
depending on it if they need it.

Consistently using "select" or "depends on" can also help reduce
Kconfig circular dependency issues.

Therefore, change the use of "depends on REGMAP" to "select REGMAP".

Fixes: ebe363197e ("gpio: add a reusable generic gpio_chip using regmap")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Michael Walle <michael@walle.cc>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Bartosz Golaszewski <brgl@bgdev.pl>
Cc: linux-gpio@vger.kernel.org
Acked-by: Michael Walle <michael@walle.cc>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
2023-03-06 11:16:56 +01:00
Linus Walleij
63de20ca24 gpio: pmic-eic-sprd: Move Kconfig to MFD expanders
The Spreadtrum PMIC EIC interrupt controller is part of an
MFD expander and should thus be in the MFD GPIO expander
menu section with the rest. Move it.

Cc: Cixi Geng <cixi.geng1@unisoc.com>
Cc: Baolin Wang <baolin.wang@linux.alibaba.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Baolin Wang <baolin.wang@linux.alibaba.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
2023-03-06 10:51:02 +01:00
Yinbo Zhu
7944d3b7fe gpio: loongson: add gpio driver support
The Loongson platforms GPIO controller contains 60 GPIO pins in total,
4 of which are dedicated GPIO pins, and the remaining 56 are reused
with other functions. Each GPIO can set input/output and has the
interrupt capability.

This driver added support for Loongson GPIO controller and support to
use DTS or ACPI to descibe GPIO device resources.

Signed-off-by: Jianmin Lv <lvjianmin@loongson.cn>
Signed-off-by: Hongchen Zhang <zhanghongchen@loongson.cn>
Signed-off-by: Liu Peibao <liupeibao@loongson.cn>
Signed-off-by: Juxin Gao <gaojuxin@loongson.cn>
Signed-off-by: Yinbo Zhu <zhuyinbo@loongson.cn>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
2023-03-06 10:44:28 +01:00
Linus Torvalds
17bbc46fc9 gpio updates for v6.3
Core GPIOLIB:
 - drop several OF interfaces after moving a significant part of the code to
   using software nodes
 - remove more interfaces referring to the global GPIO numberspace that we're
   getting rid of
 - improvements in the gpio-regmap library
 - add helper for GPIO device reference counting
 - remove unused APIs
 - minor tweaks like sorting headers alphabetically
 
 Extended support in existing drivers:
 - add support for Tegra 234 PMC to gpio-tegra186
 
 Driver improvements:
 - migrate the 104-dio/idi family of drivers to using the regmap-irq API
 - migrate gpio-i8255 and gpio-mm to the GPIO regmap API
 - clean-ups in gpio-pca953x
 - remove duplicate assignments of of_gpio_n_cells in gpio-davinci, gpio-ge,
   gpio-xilinx, gpio-zevio and gpio-wcd934x
 - improvements to gpio-pcf857x: implement get/set_multiple callbacks, use
   generic device properties instead of OF + minor tweaks
 - fix OF-related header includes and Kconfig dependencies in gpio-zevio
 - dynamically allocate the GPIO base in gpio-omap
 - use a dedicated printf specifier for printing fwnode info in gpio-sim
 - use dev_name() for the GPIO chip label in gpio-vf610
 - other minor tweaks and fixes
 
 Documentation:
 - remove mentions of legacy API from comments in various places
 - convert the DT binding documents to YAML schema for Fujitsu MB86S7x, Unisoc
   GPIO and Unisoc EIC
 - document the Unisoc UMS512 controller in DT bindings
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Merge tag 'gpio-updates-for-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux

Pull gpio updates from Bartosz Golaszewski:
 "A rather small update, there are no new drivers, just improvements and
  refactoring in existing ones.

  Thanks to migrating of several drivers to using generalized APIs and
  dropping of OF interfaces in favor of using software nodes we're
  actually removing more code than we're adding.

  Core GPIOLIB:
   - drop several OF interfaces after moving a significant part of the
     code to using software nodes
   - remove more interfaces referring to the global GPIO numberspace
     that we're getting rid of
   - improvements in the gpio-regmap library
   - add helper for GPIO device reference counting
   - remove unused APIs
   - minor tweaks like sorting headers alphabetically

  Extended support in existing drivers:
   - add support for Tegra 234 PMC to gpio-tegra186

  Driver improvements:
   - migrate the 104-dio/idi family of drivers to using the regmap-irq
     API
   - migrate gpio-i8255 and gpio-mm to the GPIO regmap API
   - clean-ups in gpio-pca953x
   - remove duplicate assignments of of_gpio_n_cells in gpio-davinci,
     gpio-ge, gpio-xilinx, gpio-zevio and gpio-wcd934x
   - improvements to gpio-pcf857x: implement get/set_multiple callbacks,
     use generic device properties instead of OF + minor tweaks
   - fix OF-related header includes and Kconfig dependencies in
     gpio-zevio
   - dynamically allocate the GPIO base in gpio-omap
   - use a dedicated printf specifier for printing fwnode info in
     gpio-sim
   - use dev_name() for the GPIO chip label in gpio-vf610
   - other minor tweaks and fixes

  Documentation:
   - remove mentions of legacy API from comments in various places
   - convert the DT binding documents to YAML schema for Fujitsu
     MB86S7x, Unisoc GPIO and Unisoc EIC
   - document the Unisoc UMS512 controller in DT bindings"

* tag 'gpio-updates-for-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux: (54 commits)
  gpio: sim: Use %pfwP specifier instead of calling fwnode API directly
  gpio: tegra186: remove unneeded loop in tegra186_gpio_init_route_mapping()
  gpiolib: of: Move enum of_gpio_flags to its only user
  gpio: mvebu: Use IS_REACHABLE instead of IS_ENABLED for CONFIG_PWM
  gpio: zevio: Add missing header
  gpio: Get rid of gpio_to_chip()
  gpio: pcf857x: Drop unneeded explicit casting
  gpio: pcf857x: Make use of device properties
  gpio: pcf857x: Get rid of legacy platform data
  gpio: rockchip: Do not mention legacy API in the code
  gpio: wcd934x: Remove duplicate assignment of of_gpio_n_cells
  gpio: zevio: Use proper headers and drop OF_GPIO dependency
  gpio: zevio: Remove duplicate assignment of of_gpio_n_cells
  gpio: xilinx: Remove duplicate assignment of of_gpio_n_cells
  dt-bindings: gpio: Add compatible string for Unisoc UMS512
  dt-bindings: gpio: Convert Unisoc EIC controller binding to yaml
  dt-bindings: gpio: Convert Unisoc GPIO controller binding to yaml
  gpio: ge: Remove duplicate assignment of of_gpio_n_cells
  gpio: davinci: Remove duplicate assignment of of_gpio_n_cells
  gpio: omap: use dynamic allocation of base
  ...
2023-02-22 11:01:17 -08:00
Linus Torvalds
ff0c7e1862 ARM: unused boardfile removal for 6.3
This is a follow-up to the deprecation of most of the old-style board
 files that was merged in linux-6.0, removing them for good.
 
 This branch is almost exclusively dead code removal based on those
 annotations. Some device driver removals went through separate subsystem
 trees, but the majority is in the same branch, in order to better handle
 dependencies between the patches and avoid breaking bisection.
 
 Unfortunately that leads to merge conflicts against other changes in the
 subsystem trees, but they should all be trivial to resolve by removing
 the files.
 
 See commit 7d0d3fa733 ("Merge tag 'arm-boardfiles-6.0' of
 git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc") for the
 description of which machines were marked unused and are now removed. The
 only removals that got postponed are Terastation WXL (mv78xx0) and
 Jornada720 (StrongARM1100), which turned out to still have potential
 users.
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Merge tag 'arm-boardfile-remove-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC boardfile updates from Arnd Bergmann
 "Unused boardfile removal for 6.3

  This is a follow-up to the deprecation of most of the old-style board
  files that was merged in linux-6.0, removing them for good.

  This branch is almost exclusively dead code removal based on those
  annotations. Some device driver removals went through separate
  subsystem trees, but the majority is in the same branch, in order to
  better handle dependencies between the patches and avoid breaking
  bisection.

  Unfortunately that leads to merge conflicts against other changes in
  the subsystem trees, but they should all be trivial to resolve by
  removing the files.

  See commit 7d0d3fa733 ("Merge tag 'arm-boardfiles-6.0' of
  git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc") for the
  description of which machines were marked unused and are now removed.

  The only removals that got postponed are Terastation WXL (mv78xx0) and
  Jornada720 (StrongARM1100), which turned out to still have potential
  users"

* tag 'arm-boardfile-remove-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (91 commits)
  mmc: omap: drop TPS65010 dependency
  ARM: pxa: restore mfp-pxa320.h
  usb: ohci-omap: avoid unused-variable warning
  ARM: debug: remove references in DEBUG_UART_8250_SHIFT to removed configs
  ARM: s3c: remove obsolete s3c-cpu-freq header
  MAINTAINERS: adjust SAMSUNG SOC CLOCK DRIVERS after s3c24xx support removal
  MAINTAINERS: update file entries after arm multi-platform rework and mach-pxa removal
  ARM: remove CONFIG_UNUSED_BOARD_FILES
  mfd: remove htc-pasic3 driver
  w1: remove ds1wm driver
  usb: remove ohci-tmio driver
  fbdev: remove w100fb driver
  fbdev: remove tmiofb driver
  mmc: remove tmio_mmc driver
  mfd: remove ucb1400 support
  mfd: remove toshiba tmio drivers
  rtc: remove v3020 driver
  power: remove pda_power supply driver
  ASoC: pxa: remove unused board support
  pcmcia: remove unused pxa/sa1100 drivers
  ...
2023-02-20 15:28:57 -08:00
Linus Walleij
2f43f6020c gpio: mlxbf2: select GPIOLIB_IRQCHIP
This driver uncondictionally uses the GPIOLIB_IRQCHIP so
select it.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
2023-02-15 16:34:54 +01:00
Arnd Bergmann
2e99b1b065 mfd: remove ucb1400 support
The ucb1400 MFD driver and its gpio and touchscreen child
drivers were only used on a few PXA machines that were unused
for a while and are now removed.

Removing these leaves the AC97 support as ALSA specific,
no other drivers are now connected through this interface.

Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Bartosz Golaszewski <brgl@bgdev.pl>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Lee Jones <lee@kernel.org>
Cc: Jaroslav Kysela <perex@perex.cz>
Cc: Takashi Iwai <tiwai@suse.com>
Cc: Marek Vasut <marex@denx.de>
Cc: linux-kernel@vger.kernel.org
Cc: linux-gpio@vger.kernel.org
Cc: linux-input@vger.kernel.org
Cc: alsa-devel@alsa-project.org
Acked-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2023-02-01 17:23:38 +01:00
Andy Shevchenko
9c8224d04b gpio: zevio: Use proper headers and drop OF_GPIO dependency
The driver doesn't depend on the OF_GPIO to be compiled. Hence
the proper header to use is mod_devicetable.h. Replace of*.h with
the above mentioned and drop redundant dependency.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
2023-01-30 15:55:30 +01:00
William Breathitt Gray
1c05004f99 gpio: gpio-mm: Migrate to regmap API
The regmap API supports IO port accessors so we can take advantage of
regmap abstractions rather than handling access to the device registers
directly in the driver. The gpio-mm module is migrated to the new i8255
library interface leveraging the gpio-regmap API.

Suggested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: William Breathitt Gray <william.gray@linaro.org>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
2023-01-30 15:55:28 +01:00
William Breathitt Gray
0b7c490d7d gpio: i8255: Migrate to gpio-regmap API
The regmap API supports IO port accessors so we can take advantage of
regmap abstractions rather than handling access to the device registers
directly in the driver.

By leveraging the gpio-regmap API, the i8255 library is reduced to
simply a devm_i8255_regmap_register() function, a configuration
structure struct i8255_regmap_config, and a helper macro
i8255_volatile_regmap_range() provided to simplify volatile PPI register
hinting for the regmap.

Legacy functions and code will be removed once all consumers have
migrated to the new i8255 library interface.

Suggested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: William Breathitt Gray <william.gray@linaro.org>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
2023-01-30 15:55:28 +01:00
William Breathitt Gray
59e2131acc gpio: 104-idi-48: Migrate to gpio-regmap API
The regmap API supports IO port accessors so we can take advantage of
regmap abstractions rather than handling access to the device registers
directly in the driver. Despite the underlying interface being based on
i8255, it is simpler to use the gpio-regmap API directly because the
104-IDI-48 device features only input signals. Therefore, the dependence
on the i8255 GPIO library is removed in this patch.

Suggested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: William Breathitt Gray <william.gray@linaro.org>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
2023-01-30 15:55:28 +01:00
William Breathitt Gray
e28432a773 gpio: 104-idi-48: Migrate to the regmap-irq API
The regmap API supports IO port accessors so we can take advantage of
regmap abstractions rather than handling access to the device registers
directly in the driver.

For the 104-idi-48, we get an IRQ register with some status information
and basic masking, but it's broken down by banks rather than individual
GPIO. There are six banks (8 GPIO lines each) that correspond to the
lower six bits of the IRQ register (bits 0-5):

    Base Address + 7 (Read): IRQ Status Register/IRQ Clear
        Bit 0-5: Respective Bank IRQ Statuses
        Bit 6: IRQ Status (Active Low)
        Bit 7: IRQ Enable Status
    Base Address + 7 (Write): IRQ Enable/Disable
        Bit 0-5: Respective Bank IRQ Enable/Disable

Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: William Breathitt Gray <william.gray@linaro.org>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
2023-01-30 15:55:28 +01:00
William Breathitt Gray
2f7e845f51 gpio: 104-dio-48e: Migrate to the regmap-irq API
The regmap API supports IO port accessors so we can take advantage of
regmap abstractions rather than handling access to the device registers
directly in the driver.

For the 104-dio-48e we have the following IRQ registers (0xB and 0xF):

    Base Address +B (Write): Enable Interrupt
    Base Address +B (Read): Disable Interrupt
    Base Address +F (Read/Write): Clear Interrupt

Any write to 0xB will enable interrupts, while any read will disable
interrupts. Interrupts are cleared by a write to 0xF. There's no IRQ
status register, so software has to assume that if an interrupt is
raised then it was for the 104-DIO-48E device.

Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: William Breathitt Gray <william.gray@linaro.org>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
2023-01-30 15:55:27 +01:00
Arnd Bergmann
046cd3c698 gpio: remove iop driver
The iop32x platform was removed, and its gpio driver is now
orphaned.

Cc: Lennert Buytenhek <buytenh@wantstofly.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2023-01-10 23:10:27 +01:00
Guillaume La Roque
8dab99c9ea gpio: davinci: add support of module build
Added module build support for the davinci gpio driver

Signed-off-by: Guillaume La Roque <glaroque@baylibre.com>
Signed-off-by: Nicolas Frayer <nfrayer@baylibre.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
2022-11-10 15:24:34 +01:00
Weilong Chen
80280df758 gpio: hisi: Add initial device tree support
Add support for HiSilicon GPIO controller in embedded platform, which
boot from devicetree.

Signed-off-by: Weilong Chen <chenweilong@huawei.com>
Acked-by: Jay Fang <f.fangjian@huawei.com>
Reviewed-by: Yicong Yang <yangyicong@hisilicon.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
2022-11-07 21:37:07 +01:00
Sascha Hauer
1454a928b6 gpio: Add gpio latch driver
This driver implements a GPIO multiplexer based on latches connected to
other GPIOs. A set of data GPIOs is connected to the data input of
multiple latches. The clock input of each latch is driven by another
set of GPIOs. With two 8-bit latches 10 GPIOs can be multiplexed into
16 GPIOs. GPOs might be a better term as in fact the multiplexed pins
are output only.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Reviewed-by: Serge Semin <fancer.lancer@gmail.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
[Bartosz: fixed the strange of_device_id formatting]
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
2022-10-26 14:52:01 +02:00
William Breathitt Gray
e7f758fa9b gpio: pci-idio-16: Utilize the idio-16 GPIO library
The ACCES PCI-IDIO-16 device is part of the ACCES IDIO-16 family, so the
idio-16 GPIO library module is selected and utilized to consolidate
code.

Signed-off-by: William Breathitt Gray <william.gray@linaro.org>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
2022-10-25 09:58:27 +02:00
William Breathitt Gray
c4ec384cf7 gpio: 104-idio-16: Utilize the idio-16 GPIO library
The ACCES 104-IDIO-16 device is part of the ACCES IDIO-16 family, so the
idio-16 GPIO library module is selected and utilized to consolidate
code.

Signed-off-by: William Breathitt Gray <william.gray@linaro.org>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
2022-10-25 09:57:57 +02:00
William Breathitt Gray
b9b1fc1ae1 gpio: idio-16: Introduce the ACCES IDIO-16 GPIO library module
Exposes consumer library functions to facilitate communication with
devices within the ACCES IDIO-16 family such as the 104-IDIO-16 and
the PCI-IDIO-16.

A CONFIG_GPIO_IDIO_16 Kconfig option is introduced by this patch.
Modules wanting access to these idio-16 library functions should select
this Kconfig option and import the GPIO_IDIO_16 symbol namespace.

Cc: Andy Shevchenko <andriy.shevchenko@intel.com>
Signed-off-by: William Breathitt Gray <william.gray@linaro.org>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
2022-10-25 09:56:46 +02:00
Davide Ciminaghi
317627a4a1 gpio: Remove sta2x11 GPIO driver
The Connext chip has 4 gpio cells looking very similar to those of the
Nomadik, whose gpio/pinctrl driver (already featuring devicetree support)
will be used instead of the sta2x11 specific one.

Signed-off-by: Davide Ciminaghi <ciminaghi@gnudd.com>
Acked-by: Giancarlo Asnaghi <giancarlo.asnaghi@st.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
2022-10-17 11:02:25 +02:00
Linus Torvalds
694b37a5dd Input updates for 6.1 merge window:
- a new driver for IBM Operational Panel
 
 - a new driver for PinePhone keyboards
 
 - RT5120 PMIC power key support
 
 - various enhancements and support for new models in xpad (Xbox) driver
 
 - a new compatible ID for Elan touchscreen driver
 
 - rework of adp5588-keys driver to support configuring via device
   properties (OF, ACPI, etc) instead of platform data, and proper support
   of optional gpiochip functionality (and removal of gpio-adp5588 driver)
 
 - improvements to firmware update handling in Synaptics RMI4 driver
 
 - support for double key matrix in mt6779-keypad
 
 - support for polled mode in adc-joystick driver
 
 - other assorted driver fixes, cleanups and improvements.
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Merge tag 'input-for-v6.1-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input

Pull input updates from Dmitry Torokhov:

 - a new driver for IBM Operational Panel

 - a new driver for PinePhone keyboards

 - RT5120 PMIC power key support

 - various enhancements and support for new models in xpad (Xbox) driver

 - a new compatible ID for Elan touchscreen driver

 - rework of adp5588-keys driver to support configuring via device
   properties (OF, ACPI, etc) instead of platform data, and proper
   support of optional gpiochip functionality (and removal of
   gpio-adp5588 driver)

 - improvements to firmware update handling in Synaptics RMI4 driver

 - support for double key matrix in mt6779-keypad

 - support for polled mode in adc-joystick driver

 - other assorted driver fixes, cleanups and improvements

* tag 'input-for-v6.1-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (90 commits)
  Input: i8042 - fix refount leak on sparc
  Input: i8042 - add LoongArch support in i8042-acpipnpio.h
  Input: i8042 - rename i8042-x86ia64io.h to i8042-acpipnpio.h
  Input: pinephone-keyboard - support the proxied I2C bus
  Input: pinephone-keyboard - add PinePhone keyboard driver
  dt-bindings: input: Add the PinePhone keyboard binding
  dt-bindings: input: Convert hid-over-i2c to DT schema
  input: drop empty comment blocks
  Input: xpad - add X-Box Adaptive Profile button
  Input: add ABS_PROFILE to uapi and documentation
  Input: xpad - add X-Box Adaptive XBox button
  Input: xpad - add X-Box Adaptive support
  Input: ims-pcu - fix spelling mistake "BOOLTLOADER" -> "BOOTLOADER"
  Input: ibm-panel - add missing MODULE_DEVICE_TABLE
  Input: icn8505 - utilize acpi_get_subsystem_id()
  Input: xpad - decipher xpadone packages with GIP defines
  Input: xpad - refactor using BIT() macro
  Input: synaptics-rmi4 - convert to use sysfs_emit() APIs
  Input: twl4030-pwrbutton - add missing of.h include
  Input: applespi - replace zero-length array with DECLARE_FLEX_ARRAY() helper
  ...
2022-10-11 10:53:25 -07:00
Bartosz Golaszewski
6ae8e1d0d5 Tag (immutable branch) for:
v6.0-rc1 + "[PATCH v6 0/7] add support for another simatic board" series
 for merging into the gpio, leds and pdx86 subsystems.
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Merge tag 'platform-drivers-x86-simatec-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86 into gpio/for-next

Tag (immutable branch) for:
v6.0-rc1 + "[PATCH v6 0/7] add support for another simatic board" series
for merging into the gpio, leds and pdx86 subsystems.
2022-09-01 17:19:15 +02:00
Henning Schild
d0918a84af gpio-f7188x: Add GPIO support for Nuvoton NCT6116
Add GPIO support for Nuvoton NCT6116 chip. Nuvoton SuperIO chips are
very similar to the ones from Fintek. In other subsystems they also
share drivers and are called a family of drivers.

For the GPIO subsystem the only difference is that the direction bit is
reversed and that there is only one data bit per pin. On the SuperIO
level the logical device is another one.

On a chip level we do not have a manufacturer ID to check and also no
revision.

Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Simon Guinot <simon.guinot@sequanux.org>
Signed-off-by: Henning Schild <henning.schild@siemens.com>
Acked-by: Bartosz Golaszewski <brgl@bgdev.pl>
Link: https://lore.kernel.org/r/20220825104422.14156-4-henning.schild@siemens.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2022-09-01 16:14:27 +02:00
Shenwei Wang
0bd459ddf9 gpio: imx-scu: add imx-scu GPIO driver
The SCU firmware on i.MX8 platforms provides a set of APIs to
control the GPIO PINs on the SCU domain. This patch implements the
standard GPIO driver interface to access those PINs on the
SCU domain over the SCU APIs.

Signed-off-by: Shenwei Wang <shenwei.wang@nxp.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
2022-08-31 17:21:23 +02:00
Nuno Sá
5ddc896088 gpio: gpio-adp5588: drop the driver
With commit 9d2b2e83ef ("Input: adp5588-keys - support gpi key events as
'gpio keys'") the irchip functionality is directly supported in the input
driver as the main goal of these pins is to be used as gpio keys. Hence,
this driver can be removed.

Signed-off-by: Nuno Sá <nuno.sa@analog.com>
Acked-by: Bartosz Golaszewski <brgl@bgdev.pl>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20220829131553.690063-3-nuno.sa@analog.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2022-08-30 21:16:03 -07:00
William Breathitt Gray
949506dc60 gpio: gpio-mm: Implement and utilize register structures
Reduce magic numbers and improve code readability by implementing and
utilizing named register data structures. The GPIO-MM device features an
Intel 8255 compatible GPIO interface, so the i8255 GPIO module is
selected and utilized as well.

Tested-by: Fred Eckert <Frede@cmslaser.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: William Breathitt Gray <william.gray@linaro.org>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
2022-07-20 17:44:47 +02:00
William Breathitt Gray
3ce632fdd1 gpio: 104-idi-48: Implement and utilize register structures
Reduce magic numbers and improve code readability by implementing and
utilizing named register data structures. The 104-IDI-48 device features
an Intel 8255 compatible GPIO interface, so the i8255 GPIO module is
selected and utilized as well.

Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Cc: John Hentges <jhentges@accesio.com>
Cc: Jay Dolan <jay.dolan@accesio.com>
Signed-off-by: William Breathitt Gray <william.gray@linaro.org>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
2022-07-20 17:44:44 +02:00
William Breathitt Gray
71b7b39725 gpio: 104-dio-48e: Implement and utilize register structures
Reduce magic numbers and improve code readability by implementing and
utilizing named register data structures. The 104-DIO-48E device
features an Intel 8255 compatible GPIO interface, so the i8255 GPIO
module is selected and utilized as well.

Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Cc: John Hentges <jhentges@accesio.com>
Cc: Jay Dolan <jay.dolan@accesio.com>
Signed-off-by: William Breathitt Gray <william.gray@linaro.org>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
2022-07-20 17:44:40 +02:00
William Breathitt Gray
fb38af4a3a gpio: i8255: Introduce the Intel 8255 interface library module
Exposes consumer library functions providing support for interfaces
compatible with the venerable Intel 8255 Programmable Peripheral
Interface (PPI).

The Intel 8255 PPI first appeared in the early 1970s, initially for the
Intel 8080 and later appearing in the original IBM-PC. The popularity of
the original Intel 8255 chip led to many subsequent variants and clones
of the interface in various chips and integrated circuits. Although
still popular, interfaces compatible with the Intel 8255 PPI are
nowdays typically found embedded in larger VLSI processing chips and
FPGA components rather than as discrete ICs.

A CONFIG_GPIO_I8255 Kconfig option is introduced by this patch. Modules
wanting access to these i8255 library functions should select this
Kconfig option, and import the I8255 symbol namespace.

Tested-by: Fred Eckert <Frede@cmslaser.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Cc: John Hentges <jhentges@accesio.com>
Cc: Jay Dolan <jay.dolan@accesio.com>
Cc: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: William Breathitt Gray <william.gray@linaro.org>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
2022-07-20 17:44:36 +02:00
Thomas Bogendoerfer
c4371c5639 gpio: remove VR41XX related gpio driver
Commit d3164e2f3b ("MIPS: Remove VR41xx support") removed support
for MIPS VR41xx platform, so remove exclusive drivers for this
platform, too.

Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Acked-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
2022-07-19 11:27:06 +02:00
Geert Uytterhoeven
b06d7b458a gpio: GPIO_SAMA5D2_PIOBU should depend on ARCH_AT91
The SAMA5D2 PIOBU is only present on some AT91/Microchip SoCs.  Hence
add a dependency on ARCH_AT91, to prevent asking the user about this
driver when configuring a kernel without AT91/Microchip SoC support.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
2022-07-19 09:57:41 +02:00
Peng Fan
30a35c07d9 gpio: vf610: drop the SOC_VF610 dependency for GPIO_VF610
i.MX7ULP, i.MX8 and i.MX9 use this driver, so drop
the SOC_VF610 dependcy to make the driver could be built
for i.MX platform.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
2022-05-02 14:12:30 +02:00
Linus Walleij
c83227a5d0 irq/gpio: ixp4xx: Drop boardfile probe path
The boardfiles for IXP4xx have been deleted. Delete all the
quirks and code dealing with that boot path and rely solely on
device tree boot.

Fix some missing static keywords that the kernel test robot
was complaining about while we're at it.

Cc: Bartosz Golaszewski <brgl@bgdev.pl>
Acked-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
2022-04-25 20:53:18 +02:00
Linus Walleij
4f3e79b36d gpio: ixp4xx: Detect special machines by compatible
There are some special clock amendments for two machines
formerly detected by their machine_is() boardfile macro.

They are now migrated to device tree so use
of_machine_is_compatible() instead.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
2022-04-18 21:42:05 +02:00
Linus Torvalds
02e2af20f4 Char/Misc and other driver updates for 5.18-rc1
Here is the big set of char/misc and other small driver subsystem
 updates for 5.18-rc1.
 
 Included in here are merges from driver subsystems which contain:
 	- iio driver updates and new drivers
 	- fsi driver updates
 	- fpga driver updates
 	- habanalabs driver updates and support for new hardware
 	- soundwire driver updates and new drivers
 	- phy driver updates and new drivers
 	- coresight driver updates
 	- icc driver updates
 
 Individual changes include:
 	- mei driver updates
 	- interconnect driver updates
 	- new PECI driver subsystem added
 	- vmci driver updates
 	- lots of tiny misc/char driver updates
 
 There will be two merge conflicts with your tree, one in MAINTAINERS
 which is obvious to fix up, and one in drivers/phy/freescale/Kconfig
 which also should be easy to resolve.
 
 All of these have been in linux-next for a while with no reported
 problems.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc and other driver updates from Greg KH:
 "Here is the big set of char/misc and other small driver subsystem
  updates for 5.18-rc1.

  Included in here are merges from driver subsystems which contain:

   - iio driver updates and new drivers

   - fsi driver updates

   - fpga driver updates

   - habanalabs driver updates and support for new hardware

   - soundwire driver updates and new drivers

   - phy driver updates and new drivers

   - coresight driver updates

   - icc driver updates

  Individual changes include:

   - mei driver updates

   - interconnect driver updates

   - new PECI driver subsystem added

   - vmci driver updates

   - lots of tiny misc/char driver updates

  All of these have been in linux-next for a while with no reported
  problems"

* tag 'char-misc-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (556 commits)
  firmware: google: Properly state IOMEM dependency
  kgdbts: fix return value of __setup handler
  firmware: sysfb: fix platform-device leak in error path
  firmware: stratix10-svc: add missing callback parameter on RSU
  arm64: dts: qcom: add non-secure domain property to fastrpc nodes
  misc: fastrpc: Add dma handle implementation
  misc: fastrpc: Add fdlist implementation
  misc: fastrpc: Add helper function to get list and page
  misc: fastrpc: Add support to secure memory map
  dt-bindings: misc: add fastrpc domain vmid property
  misc: fastrpc: check before loading process to the DSP
  misc: fastrpc: add secure domain support
  dt-bindings: misc: add property to support non-secure DSP
  misc: fastrpc: Add support to get DSP capabilities
  misc: fastrpc: add support for FASTRPC_IOCTL_MEM_MAP/UNMAP
  misc: fastrpc: separate fastrpc device from channel context
  dt-bindings: nvmem: brcm,nvram: add basic NVMEM cells
  dt-bindings: nvmem: make "reg" property optional
  nvmem: brcm_nvram: parse NVRAM content into NVMEM cells
  nvmem: dt-bindings: Fix the error of dt-bindings check
  ...
2022-03-28 12:27:35 -07:00
Bartosz Golaszewski
37db988c36 intel-gpio for v5.18-1
* Set IRQ bus token in gpio-crystalcove to avoid debugfs error
 * Check return value of kstrdup() in gpio-merrifield to error out earlier
 * Clean up couple of drivers from unneeded of_node usage
 * Allow gpio-tps68470 to be built as module to reduce memory foot print
 
 The following is an automated git shortlog grouped by driver:
 
 altera-a10sr:
  -  Switch to use fwnode instead of of_node
 
 crystalcove:
  -  Set IRQ domain bus token to DOMAIN_BUS_WIRED
 
 merrifield:
  -  check the return value of devm_kstrdup()
 
 tegra:
  -  Get rid of duplicate of_node assignment
 
 tps68470:
  -  Allow building as module
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Merge tag 'intel-gpio-v5.18-1' of gitolite.kernel.org:pub/scm/linux/kernel/git/andy/linux-gpio-intel into gpio/for-next

intel-gpio for v5.18-1

* Set IRQ bus token in gpio-crystalcove to avoid debugfs error
* Check return value of kstrdup() in gpio-merrifield to error out earlier
* Clean up couple of drivers from unneeded of_node usage
* Allow gpio-tps68470 to be built as module to reduce memory foot print
2022-03-01 16:52:26 +01:00
Robert Marko
b3dcb5de62 gpio: Add Delta TN48M CPLD GPIO driver
Delta TN48M switch has an onboard Lattice CPLD that is used as a GPIO
expander.

The CPLD provides 12 pins in total on the TN48M, but on more advanced
switch models it provides up to 192 pins, so the driver is extendable
to support more switches.

Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Michael Walle <michael@walle.cc>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Bartosz Golaszewski <brgl@bgdev.pl>
Signed-off-by: Robert Marko <robert.marko@sartura.hr>
Link: https://lore.kernel.org/r/20220131133049.77780-3-robert.marko@sartura.hr
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-02-25 09:59:35 +01:00