Commit Graph

340 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
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
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
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
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
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
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
Dmitry Torokhov
e7f9ff5dc9 gpiolib: add support for software nodes
Now that static device properties understand notion of child nodes and
references, let's teach gpiolib to handle them:

- GPIOs are represented as a references to software nodes representing
  gpiochip
- references must have 2 arguments - GPIO number within the chip and
  GPIO flags (GPIO_ACTIVE_LOW/GPIO_ACTIVE_HIGH, etc)
- a new PROPERTY_ENTRY_GPIO() macro is supplied to ensure the above
- name of the software node representing gpiochip must match label of
  the gpiochip, as we use it to locate gpiochip structure at runtime

The following illustrates use of software nodes to describe a "System"
button that is currently specified via use of gpio_keys_platform_data
in arch/mips/alchemy/board-mtx1.c. It follows bindings specified in
Documentation/devicetree/bindings/input/gpio-keys.yaml.

static const struct software_node mxt1_gpiochip2_node = {
	.name = "alchemy-gpio2",
};

static const struct property_entry mtx1_gpio_button_props[] = {
	PROPERTY_ENTRY_U32("linux,code", BTN_0),
	PROPERTY_ENTRY_STRING("label", "System button"),
	PROPERTY_ENTRY_GPIO("gpios", &mxt1_gpiochip2_node, 7, GPIO_ACTIVE_LOW),
	{ }
};

Similarly, arch/arm/mach-tegra/board-paz00.c can be converted to:

static const struct software_node tegra_gpiochip_node = {
	.name = "tegra-gpio",
};

static struct property_entry wifi_rfkill_prop[] __initdata = {
	PROPERTY_ENTRY_STRING("name", "wifi_rfkill"),
	PROPERTY_ENTRY_STRING("type", "wlan"),
	PROPERTY_ENTRY_GPIO("reset-gpios",
			    &tegra_gpiochip_node, 25, GPIO_ACTIVE_HIGH);
	PROPERTY_ENTRY_GPIO("shutdown-gpios",
			    &tegra_gpiochip_node, 85, GPIO_ACTIVE_HIGH);
	{ },
};

static struct platform_device wifi_rfkill_device = {
	.name	= "rfkill_gpio",
	.id	= -1,
};

...

	software_node_register(&tegra_gpiochip_node);
	device_create_managed_software_node(&wifi_rfkill_device.dev,
					    wifi_rfkill_prop, NULL);

Acked-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
2022-11-15 11:21:43 +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
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
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
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
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
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
John Crispin
0868ad385a gpio: Add support for Airoha EN7523 GPIO controller
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>
2022-02-02 10:16:19 +01:00
Linus Torvalds
c288ea6798 gpio updates for v5.17
- 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
  ...
2022-01-11 12:31:35 -08:00
Bartosz Golaszewski
cb8c474e79 gpio: sim: new testing module
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>
2021-12-17 12:26:13 +01:00
Matti Vaittinen
da53cc634c gpio: bd70528 Drop BD70528 support
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
2021-11-29 12:04:22 +00:00
Piyush Mehta
7687a5b0ee gpio: modepin: Add driver support for modepin GPIO controller
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>
2021-09-23 10:09:58 +02:00
Bartosz Golaszewski
37cba6432d Merge branch 'ib-rockchip' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl into gpio/for-next 2021-08-23 10:04:05 +02:00
Lukas Bulwahn
4c59714a41 gpio: remove the obsolete MX35 3DS BOARD MC9S08DZ60 GPIO functions
Commit e1324ece2a ("ARM: imx: Remove i.MX35 board files") removes the
config MACH_MX35_3DS in arch/arm/mach-imx/Kconfig.

Hence, since then, the MX35 3DS BOARD MC9S08DZ60 GPIO functions are dead
code as its config GPIO_MC9S08DZ60 depends on the config MACH_MX35_3DS.

Luckily, ./scripts/checkkconfigsymbols.py warns on non-existing configs:

MACH_MX35_3DS
Referencing files: drivers/gpio/Kconfig

Remove the obsolete MX35 3DS BOARD MC9S08DZ60 GPIO functions.

Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
2021-08-23 09:57:46 +02:00
Viresh Kumar
3a29355a22 gpio: Add virtio-gpio driver
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>
2021-08-23 09:55:44 +02:00
Jianqun Xu
936ee2675e gpio/rockchip: add driver for rockchip gpio
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>
2021-08-17 01:01:49 +02:00
Thomas Bogendoerfer
4195926aed gpio: Add support for IDT 79RC3243x GPIO controller
IDT 79RC3243x SoCs integrated a gpio controller, which handles up
to 32 gpios. All gpios could be used as an interrupt source.

Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
2021-06-07 15:57:50 +02:00
Linus Torvalds
5d6a1b84e0 gpio updates for v5.13
- new driver for the Realtek Otto GPIO controller
 - ACPI support for gpio-mpc8xxx
 - edge event support for gpio-sch (+ Kconfig fixes)
 - Kconfig improvements in gpio-ich
 - fixes to older issues in gpio-mockup
 - ACPI quirk for ignoring EC wakeups on Dell Venue 10 Pro 5055
 - improve the GPIO aggregator code by using more generic interfaces instead of
   reimplementing them in the driver
 - convert the DT bindings for gpio-74x164 to yaml
 - documentation improvements
 - a slew of other minor fixes and improvements to GPIO drivers
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Merge tag 'gpio-updates-for-v5.13-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux

Pull gpio updates from Bartosz Golaszewski:

 - new driver for the Realtek Otto GPIO controller

 - ACPI support for gpio-mpc8xxx

 - edge event support for gpio-sch (+ Kconfig fixes)

 - Kconfig improvements in gpio-ich

 - fixes to older issues in gpio-mockup

 - ACPI quirk for ignoring EC wakeups on Dell Venue 10 Pro 5055

 - improve the GPIO aggregator code by using more generic interfaces
   instead of reimplementing them in the driver

 - convert the DT bindings for gpio-74x164 to yaml

 - documentation improvements

 - a slew of other minor fixes and improvements to GPIO drivers

* tag 'gpio-updates-for-v5.13-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux: (34 commits)
  dt-bindings: gpio: add YAML description for rockchip,gpio-bank
  gpio: mxs: remove useless function
  dt-bindings: gpio: fairchild,74hc595: Convert to json-schema
  gpio: it87: remove unused code
  gpio: 104-dio-48e: Fix coding style issues
  gpio: mpc8xxx: Add ACPI support
  gpio: ich: Switch to be dependent on LPC_ICH
  gpio: sch: Drop MFD_CORE selection
  gpio: sch: depends on LPC_SCH
  gpiolib: acpi: Add quirk to ignore EC wakeups on Dell Venue 10 Pro 5055
  gpio: sch: Hook into ACPI GPE handler to catch GPIO edge events
  gpio: sch: Add edge event support
  gpio: aggregator: Replace custom get_arg() with a generic next_arg()
  lib/cmdline: Export next_arg() for being used in modules
  gpio: omap: Use device_get_match_data() helper
  gpio: Add Realtek Otto GPIO support
  dt-bindings: gpio: Binding for Realtek Otto GPIO
  docs: kernel-parameters: Add gpio_mockup_named_lines
  docs: kernel-parameters: Move gpio-mockup for alphabetic order
  lib: bitmap: provide devm_bitmap_alloc() and devm_bitmap_zalloc()
  ...
2021-05-05 12:39:29 -07:00
Sander Vanheule
0d82fb1127 gpio: Add Realtek Otto GPIO support
Realtek MIPS SoCs (platform name Otto) have GPIO controllers with up to
64 GPIOs, divided over two banks. Each bank has a set of registers for
32 GPIOs, with support for edge-triggered interrupts.

Each GPIO bank consists of four 8-bit GPIO ports (ABCD and EFGH). Most
registers pack one bit per GPIO, except for the IMR register, which
packs two bits per GPIO (AB-CD).

Although the byte order is currently assumed to have port A..D at offset
0x0..0x3, this has been observed to be reversed on other, Lexra-based,
SoCs (e.g. RTL8196E/97D/97F).

Interrupt support is disabled for the fallback devicetree-compatible
'realtek,otto-gpio'. This allows for quick support of GPIO banks in
which the byte order would be unknown. In this case, the port ordering
in the IMR registers may not match the reversed order in the other
registers (DCBA, and BA-DC or DC-BA).

Signed-off-by: Sander Vanheule <sander@svanheule.net>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
2021-05-05 16:07:40 +02:00
Matti Vaittinen
703b288f3e gpio: Support ROHM BD71815 GPOs
Support GPO(s) found from ROHM BD71815 power management IC. The IC has two
GPO pins but only one is properly documented in the data-sheet. The driver
exposes by default only the documented GPO. The second GPO is connected to
E5 pin and is marked as GND in the data-sheet. Control for this
undocumented pin can be enabled using a special DT property.

This driver is derived from work by Peter Yang <yanglsh@embest-tech.com>
although not so much of the original is left.

Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Acked-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2021-04-14 10:19:22 +01:00
Andy Shevchenko
78034b8e07 gpio: msic: Drop driver from Makefile
Driver is gone, no need to keep a Makefile entry for it. Remove.

Reported-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2021-02-15 11:43:33 +01:00
Andy Shevchenko
944dcbe84b gpio: intel-mid: Remove driver for deprecated platform
Intel Moorestown and Medfield are quite old Intel Atom based
32-bit platforms, which were in limited use in some Android phones,
tablets and consumer electronics more than eight years ago.

There are no bugs or problems ever reported outside from Intel
for breaking any of that platforms for years. It seems no real
users exists who run more or less fresh kernel on it. The commit
05f4434bc1 ("ASoC: Intel: remove mfld_machine") also in align
with this theory.

Due to above and to reduce a burden of supporting outdated drivers
we remove the support of outdated platforms completely.

Moreover this code duplicates gpio-pxa since the IP has been derived
from XScale implementation. If anybody wants to resurrect this
it has to be part of gpio-pxa.c.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
2021-02-15 11:43:32 +01:00
Arnd Bergmann
f0a2c77eb8 gpio: remove zte zx driver
The zte zx platform is getting removed, so this driver is no
longer needed.

Cc: Jun Nie <jun.nie@linaro.org>
Cc: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
2021-02-15 11:43:29 +01:00
Nobuhiro Iwamatsu
2ad74f40da gpio: visconti: Add Toshiba Visconti GPIO support
Add the GPIO driver for Toshiba Visconti ARM SoCs.

Signed-off-by: Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp>
Reviewed-by: Punit Agrawal <punit1.agrawal@toshiba.co.jp>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
2021-02-15 11:43:26 +01:00
Luo Jiaxing
356b01a986 gpio: gpio-hisi: Add HiSilicon GPIO support
This GPIO driver is for HiSilicon's ARM SoC.

HiSilicon's GPIO controller support double-edge interrupt and multi-core
concurrent access.

ACPI table example for this GPIO controller:
Device (GPO0)
{
	Name (_HID, "HISI0184")
	Device (PRTA)
	{
		Name (_ADR, Zero)
		Name (_UID, Zero)
		Name (_DSD, Package (0x01)
		{
			Package (0x02)
			{
				"ngpios",
				0x20
			}
		})
	}
}

Signed-off-by: Luo Jiaxing <luojiaxing@huawei.com>
Link: https://lore.kernel.org/r/1607934255-52544-2-git-send-email-luojiaxing@huawei.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2020-12-14 10:10:27 +01:00
Daniel Palmer
93224edf0b gpio: msc313: MStar MSC313 GPIO driver
This adds a driver that supports the GPIO block found in
MStar/SigmaStar ARMv7 SoCs.

The controller seems to have enough register for 128 lines
but where they are wired up differs between chips and
no currently known chip uses anywhere near 128 lines so there
needs to be some per-chip data to collect together what lines
actually have physical pins attached and map the right names to them.

The core peripherals seem to use the same lines on the
currently known chips but the lines used for the sensor
interface, lcd controller etc pins seem to be totally
different between the infinity and mercury chips

The code tries to collect all of the re-usable names,
offsets etc together so that it's easy to build the extra
per-chip data for other chips in the future.

So far this only supports the MSC313 and MSC313E chips.

Support for the SSC8336N (mercury5) is trivial to add once
all of the lines have been mapped out.

Signed-off-by: Daniel Palmer <daniel@0x0f.com>
Link: https://lore.kernel.org/r/20201129110803.2461700-4-daniel@0x0f.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2020-12-05 22:41:22 +01:00
Linus Torvalds
1a31c12371 - New Drivers
- Add support for initialising shared (between children) Regmaps
    - Add support for Kontron SL28CPLD
    - Add support for ENE KB3930 Embedded Controller
    - Add support for Intel FPGA PAC MAX 10 BMC
 
  - New Device Support
    - Add support for Power to Ricoh RN5T618
    - Add support for UART to Intel Lakefield
    - Add support for LP87524_Q1 to Texas Instruments LP87565
 
  - New Functionality
    - Device Tree; ene-kb3930, sl28cpld, syscon, lp87565, lp87524-q1
    - Use new helper dev_err_probe(); madera-core, stmfx, wcd934x
    - Use new GPIOD API; dm355evm_msp
    - Add wake-up capability; sprd-sc27xx-spi
    - Add ACPI support; kempld-core
 
  - Fix-ups
    - Trivial (spelling/whitespace); Kconfig, ab8500
    - Fix for unused variables; khadas-mcu, kempld-core
    - Remove unused header file(s); mt6360-core
    - Use correct IRQ flags in docs; act8945a, gateworks-gsc, rohm,bd70528-pmic
    - Add COMPILE_TEST support; asic3, tmio_core
    - Add dependency on I2C; SL28CPLD
 
  - Bug Fixes
    - Fix memory leak(s); sm501
    - Do not free regmap_config's 'name' until exit; syscon
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Merge tag 'mfd-next-5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd

Pull MFD updates from Lee Jones:
 "New Drivers:
   - Add support for initialising shared (between children) Regmaps
   - Add support for Kontron SL28CPLD
   - Add support for ENE KB3930 Embedded Controller
   - Add support for Intel FPGA PAC MAX 10 BMC

  New Device Support:
   - Add support for Power to Ricoh RN5T618
   - Add support for UART to Intel Lakefield
   - Add support for LP87524_Q1 to Texas Instruments LP87565

  New Functionality:
   - Device Tree; ene-kb3930, sl28cpld, syscon, lp87565, lp87524-q1
   - Use new helper dev_err_probe(); madera-core, stmfx, wcd934x
   - Use new GPIOD API; dm355evm_msp
   - Add wake-up capability; sprd-sc27xx-spi
   - Add ACPI support; kempld-core

  Fix-ups:
   - Trivial (spelling/whitespace); Kconfig, ab8500
   - Fix for unused variables; khadas-mcu, kempld-core
   - Remove unused header file(s); mt6360-core
   - Use correct IRQ flags in docs; act8945a, gateworks-gsc, rohm,bd70528-pmic
   - Add COMPILE_TEST support; asic3, tmio_core
   - Add dependency on I2C; SL28CPLD

  Bug Fixes:
   - Fix memory leak(s); sm501
   - Do not free regmap_config's 'name' until exit; syscon"

* tag 'mfd-next-5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (34 commits)
  mfd: kempld-core: Fix unused variable 'kempld_acpi_table' when !ACPI
  mfd: sl28cpld: Depend on I2C
  mfd: asic3: Build if COMPILE_TEST=y
  dt-bindings: mfd: Correct interrupt flags in examples
  mfd: Add ACPI support to Kontron PLD driver
  mfd: intel-m10-bmc: Add Intel MAX 10 BMC chip support for Intel FPGA PAC
  mfd: lp87565: Add LP87524-Q1 variant
  dt-bindings: mfd: Add LP87524-Q1
  dt-bindings: mfd: lp87565: Convert to yaml
  mfd: mt6360: Remove unused include <linux/version.h>
  mfd: sm501: Fix leaks in probe()
  mfd: syscon: Don't free allocated name for regmap_config
  dt-bindings: mfd: syscon: Document Exynos3 and Exynos5433 compatibles
  dt-bindings: mfd: syscon: Merge Samsung Exynos Sysreg bindings
  dt-bindings: mfd: ab8500: Remove weird Unicode characters
  mfd: sprd: Add wakeup capability for PMIC IRQ
  mfd: intel-lpss: Add device IDs for UART ports for Lakefield
  mfd: dm355evm_msp: Convert LEDs to GPIO descriptor table
  mfd: wcd934x: Simplify with dev_err_probe()
  mfd: stmfx: Simplify with dev_err_probe()
  ...
2020-10-14 15:56:58 -07:00
Kent Gibson
d143493c01 gpiolib: make cdev a build option
Make the gpiolib-cdev module a build option.  This allows the CDEV
interface to be removed from the kernel to reduce kernel size in
applications where is it not required, and provides the parent for
other CDEV interface specific build options to follow.

Suggested-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Kent Gibson <warthog618@gmail.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
2020-09-30 10:56:42 +02:00
Michael Walle
b7536d8749 gpio: Add support for the sl28cpld GPIO controller
Add support for the GPIO controller of the sl28 board management
controller. This driver is part of a multi-function device.

A controller has 8 lines. There are three different flavors:
full-featured GPIO with interrupt support, input-only and output-only.

Signed-off-by: Michael Walle <michael@walle.cc>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2020-09-17 16:00:20 +01:00
Bartosz Golaszewski
32fc5aa2df gpiolib: unexport devprop_gpiochip_set_names()
Now that devprop_gpiochip_set_names() is only used in a single place
inside drivers/gpio/gpiolib.c, there's no need anymore for it to be
exported or to even live in its own source file. Pull this function into
the core source file for gpiolib.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2020-09-14 10:54:42 +02:00
Sungbo Eo
16d44b6085 gpio: pca9570: add GPO driver for PCA9570
NXP PCA9570 is a 4-bit I2C GPO expander without interrupt functionality.
Its ports are controlled only by a data byte without register address.

Signed-off-by: Sungbo Eo <mans0n@gorani.run>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Datasheet: https://www.nxp.com/docs/en/data-sheet/PCA9570.pdf
Link: https://lore.kernel.org/r/20200709134829.216393-1-mans0n@gorani.run
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2020-07-16 14:35:12 +02:00
Kent Gibson
925ca36913 gpiolib: split character device into gpiolib-cdev
Split the cdev specific functionality out of gpiolib.c and into
gpiolib-cdev.c. This improves the readability and maintainability of both
the cdev and core gpiolib code.

Suggested-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Kent Gibson <warthog618@gmail.com>
Link: https://lore.kernel.org/r/20200616093615.5167-1-warthog618@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2020-06-20 22:38:37 +02:00
Michael Walle
ebe363197e gpio: add a reusable generic gpio_chip using regmap
There are quite a lot simple GPIO controller which are using regmap to
access the hardware. This driver tries to be a base to unify existing
code into one place. This won't cover everything but it should be a good
starting point.

It does not implement its own irq_chip because there is already a
generic one for regmap based devices. Instead, the irq_chip will be
instantiated in the parent driver and its irq domain will be associate
to this driver.

For now it consists of the usual registers, like set (and an optional
clear) data register, an input register and direction registers.
Out-of-the-box, it supports consecutive register mappings and mappings
where the registers have gaps between them with a linear mapping between
GPIO offset and bit position. For weirder mappings the user can register
its own .xlate().

Signed-off-by: Michael Walle <michael@walle.cc>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20200528145845.31436-3-michael@walle.cc
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2020-06-03 10:48:37 +02:00
Geert Uytterhoeven
828546e242 gpio: Add GPIO Aggregator
GPIO controllers are exported to userspace using /dev/gpiochip*
character devices.  Access control to these devices is provided by
standard UNIX file system permissions, on an all-or-nothing basis:
either a GPIO controller is accessible for a user, or it is not.
Currently no mechanism exists to control access to individual GPIOs.

Hence add a GPIO driver to aggregate existing GPIOs, and expose them as
a new gpiochip.

This supports the following use cases:
  - Aggregating GPIOs using Sysfs
    This is useful for implementing access control, and assigning a set
    of GPIOs to a specific user or virtual machine.
  - Generic GPIO Driver
    This is useful for industrial control, where it can provide
    userspace access to a simple GPIO-operated device described in DT,
    cfr. e.g. spidev for SPI-operated devices.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Tested-by: Eugeniu Rosca <erosca@de.adit-jv.com>
Reviewed-by: Eugeniu Rosca <erosca@de.adit-jv.com>
Link: https://lore.kernel.org/r/20200511145257.22970-5-geert+renesas@glider.be
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2020-05-18 10:12:42 +02:00
Asmaa Mnebhi
bc0ae0e737 gpio: add driver for Mellanox BlueField 2 GPIO controller
This patch adds support for the GPIO controller used by
Mellanox BlueField 2 SOCs.

Signed-off-by: Asmaa Mnebhi <Asmaa@mellanox.com>
Link: https://lore.kernel.org/r/1680de9eb6d2b8855228dde9a2dd065f0dcbe1fb.1583182325.git.Asmaa@mellanox.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2020-03-09 09:47:50 +01:00
Linus Torvalds
af32f3a414 - New Drivers
- Add support for ROHM BD71828 PMICs and GPIOs
    - Add support for Qualcomm Aqstic Audio Codecs WCD9340 and WCD9341
 
 - New Device Support
    - Add support for BD71828 to BD70528 RTC driver
    - Add support for Intel's Jasper Lake to LPSS PCI
 
  - New Functionality
    - Add support for Power Key to ROHM BD71828
    - Add support for Clocks to ROHM BD71828
    - Add support for GPIOs to Dialog DA9062
    - Add support for USB PD Notify to ChromiumOS EC
    - Allow callers to specify args when requesting regmap lookup; syscon
 
  - Fix-ups
    - Improve error handling and sanity checking; atmel-hlcdc, dln2
    - Device Tree support/documentation; bd71828, da9062, xylon,logicvc,
                                         ab8500, max14577, atmel-usart
    - Match devices using platform IDs; bd7xxxx
    - Refactor BD718x7 regulator component; bd718x7-regulator
    - Use standard interfaces/helpers; syscon, sm501
    - Trivial (whitespace, spelling, etc); ab8500-core, Kconfig
    - Remove unused code; db8500-prcmu, tqmx86
    - Wait until boot has finished before accessing registers; madera-core
    - Provide missing register value defaults; cs47l15-tables
    - Allow more time for hardware to reset; madera-core
 
  - Bug Fixes
    - Fix erroneous register values; rohm-bd70528
    - Fix register volatility; axp20x, rn5t618
    - Fix Kconfig dependencies; MFD_MAX77650
    - Fix incorrect compatible string; da9062-core
    - Fix syscon_regmap_lookup_by_phandle_args() stub; syscon
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Merge tag 'mfd-next-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd

Pull MFD updates from Lee Jones:
 "New Drivers:
   - Add support for ROHM BD71828 PMICs and GPIOs
   - Add support for Qualcomm Aqstic Audio Codecs WCD9340 and WCD9341

  New Device Support:
   - Add support for BD71828 to BD70528 RTC driver
   - Add support for Intel's Jasper Lake to LPSS PCI

  New Functionality:
   - Add support for Power Key to ROHM BD71828
   - Add support for Clocks to ROHM BD71828
   - Add support for GPIOs to Dialog DA9062
   - Add support for USB PD Notify to ChromiumOS EC
   - Allow callers to specify args when requesting regmap lookup; syscon

  Fix-ups:
   - Improve error handling and sanity checking; atmel-hlcdc, dln2
   - Device Tree support/documentation; bd71828, da9062, xylon,logicvc,
     ab8500, max14577, atmel-usart
   - Match devices using platform IDs; bd7xxxx
   - Refactor BD718x7 regulator component; bd718x7-regulator
   - Use standard interfaces/helpers; syscon, sm501
   - Trivial (whitespace, spelling, etc); ab8500-core, Kconfig
   - Remove unused code; db8500-prcmu, tqmx86
   - Wait until boot has finished before accessing registers;
     madera-core
   - Provide missing register value defaults; cs47l15-tables
   - Allow more time for hardware to reset; madera-core

  Bug Fixes:
   - Fix erroneous register values; rohm-bd70528
   - Fix register volatility; axp20x, rn5t618
   - Fix Kconfig dependencies; MFD_MAX77650
   - Fix incorrect compatible string; da9062-core
   - Fix syscon_regmap_lookup_by_phandle_args() stub; syscon"

* tag 'mfd-next-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (41 commits)
  mfd: syscon: Fix syscon_regmap_lookup_by_phandle_args() dummy
  mfd: wcd934x: Add support to wcd9340/wcd9341 codec
  mfd: syscon: Add arguments support for syscon reference
  mfd: rn5t618: Mark ADC control register volatile
  dt-bindings: atmel-usart: Add microchip,sam9x60-{usart, dbgu}
  dt-bindings: atmel-usart: Remove wildcard
  mfd: cros_ec: Add cros-usbpd-notify subdevice
  mfd: da9062: Fix watchdog compatible string
  mfd: madera: Allow more time for hardware reset
  mfd: cs47l15: Add missing register default
  mfd: madera: Wait for boot done before accessing any other registers
  mfd: Kconfig: Rename Samsung to lowercase
  mfd: tqmx86: remove set but not used variable 'i2c_ien'
  mfd: dbx500-prcmu: Drop DSI pll clock functions
  mfd: dbx500-prcmu: Drop set_display_clocks()
  mfd: max77650: Select REGMAP_IRQ in Kconfig
  mfd: axp20x: Mark AXP20X_VBUS_IPSOUT_MGMT as volatile
  mfd: ab8500: Fix ab8500-clk typo
  mfd: intel-lpss: Add Intel Jasper Lake PCI IDs
  dt-bindings: mfd: max14577: Add reference to max14040_battery.txt descriptions
  ...
2020-02-03 14:51:57 +00:00
Linus Torvalds
6ba3d7066c This is the bulk of pin control changes for the v5.6 kernel cycle:
Core changes:
 
 - Dropped the chained IRQ setup callback into GPIOLIB as we
   got rid of the last users of that in this changeset.
 
 New drivers:
 
 - New driver for Ingenic X1830.
 
 - New driver for Freescale i.MX8MP.
 
 Driver enhancements:
 
 - Fix all remaining Intel drivers to pass their IRQ chips
   along with the GPIO chips.
 
 - Intel Baytrail allocates its irqchip dynamically.
 
 - Intel Lynxpoint is thoroughly rewritten and modernized.
 
 - Aspeed AST2600 pin muxing and configuration is much
   improved.
 
 - Qualcomm SC7180 functions are updated and wakeup interrupt
   map is provided.
 
 - A whole slew of Renesas SH-PFC cleanups and improvements.
 
 - Fix up the Intel DT bindings to use the generic YAML
   DT bindings schema. (A first user of this.)
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Merge tag 'pinctrl-v5.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl

Pull pin control updates from Linus Walleij:
 "This is the bulk of pin control changes, nothing too exciting about
  this.

  Some changes hit arch/sh and arch/arm but are well isolated and
  acknowledged by the respective arch maintainers.

  Core changes:

   - Dropped the chained IRQ setup callback into GPIOLIB as we got rid
     of the last users of that in this changeset.

  New drivers:

   - New driver for Ingenic X1830.

   - New driver for Freescale i.MX8MP.

  Driver enhancements:

   - Fix all remaining Intel drivers to pass their IRQ chips along with
     the GPIO chips.

   - Intel Baytrail allocates its irqchip dynamically.

   - Intel Lynxpoint is thoroughly rewritten and modernized.

   - Aspeed AST2600 pin muxing and configuration is much improved.

   - Qualcomm SC7180 functions are updated and wakeup interrupt map is
     provided.

   - A whole slew of Renesas SH-PFC cleanups and improvements.

   - Fix up the Intel DT bindings to use the generic YAML DT bindings
     schema (a first user of this)"

* tag 'pinctrl-v5.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (99 commits)
  pinctrl: madera: Remove extra blank line
  pinctrl: qcom: Don't lock around irq_set_irq_wake()
  pinctrl: mvebu: armada-37xx: use use platform api
  gpio: Drop the chained IRQ handler assign function
  pinctrl: freescale: Add i.MX8MP pinctrl driver support
  dt-bindings: imx: Add pinctrl binding doc for i.MX8MP
  pinctrl: tigerlake: Tiger Lake uses _HID enumeration
  pinctrl: sunrisepoint: Add Coffee Lake-S ACPI ID
  pinctrl: iproc: Use platform_get_irq_optional() to avoid error message
  pinctrl: dt-bindings: Fix some errors in the lgm and pinmux schema
  pinctrl: intel: Pass irqchip when adding gpiochip
  pinctrl: intel: Add GPIO <-> pin mapping ranges via callback
  pinctrl: baytrail: Replace WARN with dev_info_once when setting direct-irq pin to output
  pinctrl: baytrail: Do not clear IRQ flags on direct-irq enabled pins
  pinctrl: sunrisepoint: Add missing Interrupt Status register offset
  pinctrl: sh-pfc: Split R-Car H3 support in two independent drivers
  pinctrl: artpec6: fix __iomem on reg in set
  pinctrl: ingenic: Use devm_platform_ioremap_resource()
  pinctrl: ingenic: Factorize irq_set_type function
  pinctrl: ingenic: Remove duplicated ingenic_chip_info structures
  ...
2020-01-29 09:51:36 -08:00