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
...
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
...
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
- 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
...
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.
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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
...
* 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
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>
Airoha's GPIO controller on their ARM EN7523 SoCs consists of two banks of 32
GPIOs. Each instance in DT is for a single bank.
Acked-by: Bartosz Golaszewski <brgl@bgdev.pl>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: John Crispin <john@phrozen.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
The gpio-tps68470 driver binds to a tps68470-gpio platform-device which
itself gets instantiated by a special MFD driver from
drivers/platform/x86/intel/int3472/tps68470.c
This MFD driver itself can be built as a module, so it makes no sense to
force the gpio-tps68470 driver to always be built-in.
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
- new testing module: gpio-sim that is scheduled to replace gpio-mockup
- initial changes aiming at converting all GPIO drivers to using the fwnode
interface and limiting any references to OF symbols to gpiolib-of.c
- add support for Tegra234 and Tegra241 to gpio-tegra186
- add support for new models (SSD201 and SSD202D) to gpio-msc313
- add basic support for interrupts to gpio-aggregator
- add support for AMDIF031 HID device to gpio-amdpt
- drop support for unused platforms in gpio-xlp
- cleanup leftovers from the removal of the legacy Samsung Exynos GPIO driver
- use raw spinlocks in gpio-aspeed and gpio-aspeed-sgpio to make PREEMPT_RT
happy
- generalize the common 'ngpios' device property by reading it in the core
gpiolib code so that we can remove duplicate reads from drivers
- allow line names from device properties to override names set by drivers
- code shrink in gpiod_add_lookup_table()
- add new model to the DT bindings for gpio-vf610
- convert DT bindings for tegra devices to YAML
- improvements to interrupt handling in gpio-rcar and gpio-rockchip
- updates to intel drivers from Andy (details in the merge commit)
- some minor tweaks, improvements and coding-style fixes all around the
subsystem
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Merge tag 'gpio-updates-for-v5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio updates from Bartosz Golaszewski:
"The gpio-sim module is back, this time without any changes to
configfs. This results in a less elegant user-space interface but I
never got any follow-up on the committable items and didn't want to
delay this module for several more months.
Other than that we have support for several new models and some
support going away. We started working on converting GPIO drivers to
using fwnode exclusively in order to limit references to OF symbols to
gpiolib-of.c exclusively. We also have regular tweaks and improvements
all over the place.
Summary:
- new testing module: gpio-sim that is scheduled to replace
gpio-mockup
- initial changes aiming at converting all GPIO drivers to using the
fwnode interface and limiting any references to OF symbols to
gpiolib-of.c
- add support for Tegra234 and Tegra241 to gpio-tegra186
- add support for new models (SSD201 and SSD202D) to gpio-msc313
- add basic support for interrupts to gpio-aggregator
- add support for AMDIF031 HID device to gpio-amdpt
- drop support for unused platforms in gpio-xlp
- cleanup leftovers from the removal of the legacy Samsung Exynos
GPIO driver
- use raw spinlocks in gpio-aspeed and gpio-aspeed-sgpio to make
PREEMPT_RT happy
- generalize the common 'ngpios' device property by reading it in the
core gpiolib code so that we can remove duplicate reads from
drivers
- allow line names from device properties to override names set by
drivers
- code shrink in gpiod_add_lookup_table()
- add new model to the DT bindings for gpio-vf610
- convert DT bindings for tegra devices to YAML
- improvements to interrupt handling in gpio-rcar and gpio-rockchip
- updates to intel drivers from Andy (details in the merge commit)
- some minor tweaks, improvements and coding-style fixes all around
the subsystem"
* tag 'gpio-updates-for-v5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux: (59 commits)
gpio: rcar: Propagate errors from devm_request_irq()
gpio: rcar: Use platform_get_irq() to get the interrupt
gpio: ts5500: Use platform_get_irq() to get the interrupt
gpio: dwapb: Switch to use fwnode instead of of_node
gpiolib: acpi: make fwnode take precedence in struct gpio_chip
dt-bindings: gpio: samsung: drop unused bindings
gpio: max3191x: Use bitmap_free() to free bitmap
gpio: regmap: Switch to use fwnode instead of of_node
gpio: tegra186: Add support for Tegra241
dt-bindings: gpio: Add Tegra241 support
gpio: brcmstb: Use local variable to access OF node
gpio: Remove unused local OF node pointers
gpio: sim: add missing fwnode_handle_put() in gpio_sim_probe()
gpio: msc313: Add support for SSD201 and SSD202D
gpio: msc313: Code clean ups
dt-bindings: gpio: msc313: Add offsets for ssd20xd
dt-bindings: gpio: msc313: Add compatible for ssd20xd
gpio: sim: fix uninitialized ret variable
gpio: Propagate firmware node from a parent device
gpio: Setup parent device and get rid of unnecessary of_node assignment
...
- Add support for Lakefield PCH to Intel LPSS PCI
- Remove Device Support
- Remove support for ROHM BD70528 Power Management IC
- New Functionality
- Add support for SMBus and I2C mode to Dialog DA9062/61 PMIC
- Enable I2C4 on Microsoft Surface Go & Go 2
- Fix-ups
- Device Tree changes (inc. YAML conversion); maxim,max77686,
rohm,bd9571mwv, syscon, brcm,twd, google,cros-ec
- Use __maybe_unused instead of #ifery; atmel-flexcom
- Allow the Regmap API to handle endianess internally; ntxec
- Utilise I2C's .resume_noirq call-back; atmel-flexcom
- Remove unused code; ti_am335x_tscadc
- Use CPU-id instead of ACPI _HRV to ID variants; intel_soc_pmic_core
- Allow device to power-off right from .probe(); tps65910
- Trivial (whitespace, typos, etc); da9063
- Bug Fixes
- Fix ordering issues during probe; intel-lpss-acpi
- Fix correct clock speed; intel-lpss-pci
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Merge tag 'mfd-next-5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull MFD updates from Lee Jones:
"New Device Support:
- Add support for Lakefield PCH to Intel LPSS PCI
Remove Device Support:
- Remove support for ROHM BD70528 Power Management IC
New Functionality:
- Add support for SMBus and I2C mode to Dialog DA9062/61 PMIC
- Enable I2C4 on Microsoft Surface Go & Go 2
Fix-ups:
- Device Tree changes (inc. YAML conversion); maxim,max77686,
rohm,bd9571mwv, syscon, brcm,twd, google,cros-ec
- Use __maybe_unused instead of #ifery; atmel-flexcom
- Allow the Regmap API to handle endianess internally; ntxec
- Utilise I2C's .resume_noirq call-back; atmel-flexcom
- Remove unused code; ti_am335x_tscadc
- Use CPU-id instead of ACPI _HRV to ID variants; intel_soc_pmic_core
- Allow device to power-off right from .probe(); tps65910
- Trivial (whitespace, typos, etc); da9063
Bug Fixes:
- Fix ordering issues during probe; intel-lpss-acpi
- Fix correct clock speed; intel-lpss-pci"
* tag 'mfd-next-5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (25 commits)
mfd: google,cros-ec: Fix property name for MediaTek rpmsg
dt-bindings: mfd: Fix typo "DA9093" -> "DA9063"
mfd: ntxec: Change return type of ntxec_reg8 from __be16 to u16
mfd: tps65910: Set PWR_OFF bit during driver probe
mfd: intel_soc_pmic: Use CPU-id check instead of _HRV check to differentiate variants
mfd: intel-lpss: Fix I2C4 not being available on the Microsoft Surface Go & Go 2
dt-bindings: mfd: Add Broadcom's Timer-Watchdog block
dt-bindings: mfd: Add Freecom system controller
mfd: Kconfig: Change INTEL_SOC_PMIC_CHTDC_TI to bool
dt-bindings: mfd: syscon: Add samsung,exynos850-sysreg
mfd: da9062: Support SMBus and I2C mode
mfd: intel-lpss-pci: Fix clock speed for 38a8 UART
mfd: intel-lpss: Fix too early PM enablement in the ACPI ->probe()
mfd: ti_am335x_tscadc: Drop the CNTRLREG_TSC_8WIRE macro
mfd: stmpe: Support disabling sub-functions
mfd: atmel-flexcom: Use .resume_noirq
mfd: atmel-flexcom: Remove #ifdef CONFIG_PM_SLEEP
dt-bindings: mfd: bd9571mwv: Convert to json-schema
mfd: intel-lpss: Add Intel Lakefield PCH PCI IDs
dt-bindings: mfd: maxim,max77686: Convert to dtschema
...
Implement a new, modern GPIO testing module controlled by configfs
attributes instead of module parameters. The goal of this driver is
to provide a replacement for gpio-mockup that will be easily extensible
with new features and doesn't require reloading the module to change
the setup.
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
The only known BD70528 use-cases are such that the PMIC is controlled
from separate MCU which is not running Linux. I am not aware of
any Linux driver users. Furthermore, it seems there is no demand for
this IC. Let's ease the maintenance burden and drop the driver. We can
always add it back if there is sudden need for it.
Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Acked-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/4eff6bd5eff8afc137dd8c1697cb5c6b2e3aacd2.1637066805.git.matti.vaittinen@fi.rohmeurope.com
gpio-rockchip uses interfaces that are provided by the Kconfig
symbol GENERIC_IRQ_CHIP, so the driver should select that symbol
in order to prevent build errors.
Fixes these build errors (and more):
aarch64-linux-ld: drivers/gpio/gpio-rockchip.o: in function `rockchip_irq_disable':
gpio-rockchip.c:(.text+0x454): undefined reference to `irq_gc_mask_set_bit'
aarch64-linux-ld: drivers/gpio/gpio-rockchip.o: in function `rockchip_irq_enable':
gpio-rockchip.c:(.text+0x478): undefined reference to `irq_gc_mask_clr_bit'
aarch64-linux-ld: drivers/gpio/gpio-rockchip.o: in function `rockchip_interrupts_register':
gpio-rockchip.c:(.text+0x518): undefined reference to `irq_generic_chip_ops'
aarch64-linux-ld: gpio-rockchip.c:(.text+0x594): undefined reference to `__irq_alloc_domain_generic_chips'
aarch64-linux-ld: gpio-rockchip.c:(.text+0x5cc): undefined reference to `irq_get_domain_generic_chip'
aarch64-linux-ld: gpio-rockchip.c:(.text+0x5e0): undefined reference to `irq_gc_ack_set_bit'
aarch64-linux-ld: gpio-rockchip.c:(.text+0x604): undefined reference to `irq_gc_set_wake'
Fixes: 936ee2675e ("gpio/rockchip: add driver for rockchip gpio")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
Netlogic XLP was removed in commit 95b8a5e011 ("MIPS: Remove NETLOGIC
support"). With those gone, the single platform left to support is
Cavium ThunderX2. Remove all the Netlogic variants and DT support.
For simplicity, the existing kconfig name is retained.
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Bartosz Golaszewski <brgl@bgdev.pl>
Cc: linux-gpio@vger.kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
This patch adds IRQ support for the virtio GPIO driver. Note that this
uses the irq_bus_lock/unlock() callbacks, since those operations over
virtio may sleep.
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
This patch adds driver support for the zynqmp modepin GPIO controller.
GPIO modepin driver set and get the value and status of the PS_MODE pin,
based on device-tree pin configuration. These four mode pins are
configurable as input/output. The mode pin has a control register, which
have lower four-bits [0:3] are configurable as input/output, next four-bits
can be used for reading the data as input[4:7], and next setting the
output pin state output[8:11]. By default value of mode pin register is 0.
Signed-off-by: Piyush Mehta <piyush.mehta@xilinx.com>
Acked-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
This patch adds a new driver for Virtio based GPIO devices.
This allows a guest VM running Linux to access GPIO lines provided by
the host. It supports all basic operations, except interrupts for the
GPIO lines.
Based on the initial work posted by:
"Enrico Weigelt, metux IT consult" <lkml@metux.net>.
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
This patch add support for rockchip gpio controller, which is supported
in pinctrl driver in the past.
With this patch, the pinctrl-rockchip driver will drop gpio related
codes and populate platform driver to gpio-rockchip.
Signed-off-by: Jianqun Xu <jay.xu@rock-chips.com>
Link: https://lore.kernel.org/r/20210816012053.1119069-1-jay.xu@rock-chips.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
