<feed xmlns='http://www.w3.org/2005/Atom'>
<title>linux-toradex.git/drivers/input/joystick, branch v6.9-rc4</title>
<subtitle>Linux kernel for Apalis and Colibri modules</subtitle>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/'/>
<entry>
<title>Merge tag 'input-for-v6.9-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input</title>
<updated>2024-03-17T18:50:54+00:00</updated>
<author>
<name>Linus Torvalds</name>
<email>torvalds@linux-foundation.org</email>
</author>
<published>2024-03-17T18:50:54+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=6885d7263ecd8ce5ab06029078861fbeb06c4a0a'/>
<id>6885d7263ecd8ce5ab06029078861fbeb06c4a0a</id>
<content type='text'>
Pull input updates from Dmitry Torokhov:

 - a new driver for Goodix Berlin I2C and SPI touch controllers

 - support for IQS7222D v1.1 and v1.2 in iqs7222 driver

 - support for IST3032C and IST3038B parts in Imagis touchscreen driver

 - support for touch keys for Imagis touchscreen controllers

 - support for Snakebyte GAMEPADs in xpad driver

 - various cleanups and conversions to yaml for device tree bindings

 - assorted fixes and cleanups

 - old Synaptics navpoint driver has been removed since the only board
   that used it (HP iPAQ hx4700) was removed a while ago.

* tag 'input-for-v6.9-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (37 commits)
  Input: xpad - add support for Snakebyte GAMEPADs
  dt-bindings: input: samsung,s3c6410-keypad: convert to DT Schema
  Input: imagis - add touch key support
  dt-bindings: input: imagis: Document touch keys
  Input: imagis - use FIELD_GET where applicable
  Input: make input_class constant
  dt-bindings: input: atmel,captouch: convert bindings to YAML
  Input: iqs7222 - add support for IQS7222D v1.1 and v1.2
  dt-bindings: input: allwinner,sun4i-a10-lrad: drop redundant type from label
  Input: serio - make serio_bus const
  Input: synaptics-rmi4 - make rmi_bus_type const
  Input: xilinx_ps2 - fix kernel-doc for xps2_of_probe function
  input/touchscreen: imagis: add support for IST3032C
  dt-bindings: input/touchscreen: imagis: add compatible for IST3032C
  input/touchscreen: imagis: Add support for Imagis IST3038B
  dt-bindings: input/touchscreen: Add compatible for IST3038B
  input/touchscreen: imagis: Correct the maximum touch area value
  Input: leds - change config symbol dependency for audio mute trigger
  Input: ti_am335x_tsc - remove redundant assignment to variable config
  Input: xpad - sort xpad_device by vendor and product ID
  ...
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
Pull input updates from Dmitry Torokhov:

 - a new driver for Goodix Berlin I2C and SPI touch controllers

 - support for IQS7222D v1.1 and v1.2 in iqs7222 driver

 - support for IST3032C and IST3038B parts in Imagis touchscreen driver

 - support for touch keys for Imagis touchscreen controllers

 - support for Snakebyte GAMEPADs in xpad driver

 - various cleanups and conversions to yaml for device tree bindings

 - assorted fixes and cleanups

 - old Synaptics navpoint driver has been removed since the only board
   that used it (HP iPAQ hx4700) was removed a while ago.

* tag 'input-for-v6.9-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (37 commits)
  Input: xpad - add support for Snakebyte GAMEPADs
  dt-bindings: input: samsung,s3c6410-keypad: convert to DT Schema
  Input: imagis - add touch key support
  dt-bindings: input: imagis: Document touch keys
  Input: imagis - use FIELD_GET where applicable
  Input: make input_class constant
  dt-bindings: input: atmel,captouch: convert bindings to YAML
  Input: iqs7222 - add support for IQS7222D v1.1 and v1.2
  dt-bindings: input: allwinner,sun4i-a10-lrad: drop redundant type from label
  Input: serio - make serio_bus const
  Input: synaptics-rmi4 - make rmi_bus_type const
  Input: xilinx_ps2 - fix kernel-doc for xps2_of_probe function
  input/touchscreen: imagis: add support for IST3032C
  dt-bindings: input/touchscreen: imagis: add compatible for IST3032C
  input/touchscreen: imagis: Add support for Imagis IST3038B
  dt-bindings: input/touchscreen: Add compatible for IST3038B
  input/touchscreen: imagis: Correct the maximum touch area value
  Input: leds - change config symbol dependency for audio mute trigger
  Input: ti_am335x_tsc - remove redundant assignment to variable config
  Input: xpad - sort xpad_device by vendor and product ID
  ...
</pre>
</div>
</content>
</entry>
<entry>
<title>Merge branch 'next' into for-linus</title>
<updated>2024-03-15T22:04:04+00:00</updated>
<author>
<name>Dmitry Torokhov</name>
<email>dmitry.torokhov@gmail.com</email>
</author>
<published>2024-03-15T22:04:04+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=57ed9567e63b59350c21ae026635ae051e247abb'/>
<id>57ed9567e63b59350c21ae026635ae051e247abb</id>
<content type='text'>
Prepare input updates for 6.9 merge window.
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
Prepare input updates for 6.9 merge window.
</pre>
</div>
</content>
</entry>
<entry>
<title>Input: xpad - add support for Snakebyte GAMEPADs</title>
<updated>2024-03-15T19:02:36+00:00</updated>
<author>
<name>Matt Scialabba</name>
<email>matt.git@fastmail.fm</email>
</author>
<published>2024-03-15T18:56:19+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=81c32343d04f8ca974681d5fb5d939d2e1f58851'/>
<id>81c32343d04f8ca974681d5fb5d939d2e1f58851</id>
<content type='text'>
Add Snakebyte GAMEPAD BASE X and Snakebyte GAMEPAD RGB X to the list
of supported devices.

Signed-off-by: Matt Scialabba &lt;matt.git@fastmail.fm&gt;
Link: https://lore.kernel.org/r/efbfb428-06b0-48f9-8701-db291c2a9d65@app.fastmail.com
Signed-off-by: Dmitry Torokhov &lt;dmitry.torokhov@gmail.com&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
Add Snakebyte GAMEPAD BASE X and Snakebyte GAMEPAD RGB X to the list
of supported devices.

Signed-off-by: Matt Scialabba &lt;matt.git@fastmail.fm&gt;
Link: https://lore.kernel.org/r/efbfb428-06b0-48f9-8701-db291c2a9d65@app.fastmail.com
Signed-off-by: Dmitry Torokhov &lt;dmitry.torokhov@gmail.com&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>Merge tag 'spi-v6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi</title>
<updated>2024-03-13T18:07:37+00:00</updated>
<author>
<name>Linus Torvalds</name>
<email>torvalds@linux-foundation.org</email>
</author>
<published>2024-03-13T18:07:37+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=6cdebf62a159f31351946685b02941c968b96e49'/>
<id>6cdebf62a159f31351946685b02941c968b96e49</id>
<content type='text'>
Pull spi updates from Mark Brown:
 "This release sees some exciting changes from David Lechner which
  implements some optimisations that have been talked about for a long
  time which allows client drivers to pre-prepare SPI messages for
  repeated or low latency use. This lets us move work out of latency
  sensitive paths and avoid repeating work for frequently performed
  operations. As well as being useful in itself this will also be used
  in future to allow controllers to directly trigger SPI operations (eg,
  from interrupts).

  Otherwise this release has mostly been focused on cleanups, plus a
  couple of new devices:

   - Support for pre-optimising messages

   - A big set of updates from Uwe Kleine-König moving drivers to use
     APIs with more modern terminology for controllers

   - Major overhaul of the s3c64xx driver

   - Support for Google GS101 and Samsung Exynos850"

* tag 'spi-v6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (122 commits)
  spi: Introduce SPI_INVALID_CS and is_valid_cs()
  spi: Fix types of the last chip select storage variables
  spi: Consistently use BIT for cs_index_mask
  spi: Exctract spi_dev_check_cs() helper
  spi: Exctract spi_set_all_cs_unused() helper
  spi: s3c64xx: switch exynos850 to new port config data
  spi: s3c64xx: switch gs101 to new port config data
  spi: s3c64xx: deprecate fifo_lvl_mask, rx_lvl_offset and port_id
  spi: s3c64xx: get rid of the OF alias ID dependency
  spi: s3c64xx: introduce s3c64xx_spi_set_port_id()
  spi: s3c64xx: let the SPI core determine the bus number
  spi: s3c64xx: allow FIFO depth to be determined from the compatible
  spi: s3c64xx: retrieve the FIFO depth from the device tree
  spi: s3c64xx: determine the fifo depth only once
  spi: s3c64xx: allow full FIFO masks
  spi: s3c64xx: define a magic value
  spi: dt-bindings: introduce FIFO depth properties
  spi: axi-spi-engine: use struct_size() macro
  spi: axi-spi-engine: use __counted_by() attribute
  spi: axi-spi-engine: remove p from struct spi_engine_message_state
  ...
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
Pull spi updates from Mark Brown:
 "This release sees some exciting changes from David Lechner which
  implements some optimisations that have been talked about for a long
  time which allows client drivers to pre-prepare SPI messages for
  repeated or low latency use. This lets us move work out of latency
  sensitive paths and avoid repeating work for frequently performed
  operations. As well as being useful in itself this will also be used
  in future to allow controllers to directly trigger SPI operations (eg,
  from interrupts).

  Otherwise this release has mostly been focused on cleanups, plus a
  couple of new devices:

   - Support for pre-optimising messages

   - A big set of updates from Uwe Kleine-König moving drivers to use
     APIs with more modern terminology for controllers

   - Major overhaul of the s3c64xx driver

   - Support for Google GS101 and Samsung Exynos850"

* tag 'spi-v6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (122 commits)
  spi: Introduce SPI_INVALID_CS and is_valid_cs()
  spi: Fix types of the last chip select storage variables
  spi: Consistently use BIT for cs_index_mask
  spi: Exctract spi_dev_check_cs() helper
  spi: Exctract spi_set_all_cs_unused() helper
  spi: s3c64xx: switch exynos850 to new port config data
  spi: s3c64xx: switch gs101 to new port config data
  spi: s3c64xx: deprecate fifo_lvl_mask, rx_lvl_offset and port_id
  spi: s3c64xx: get rid of the OF alias ID dependency
  spi: s3c64xx: introduce s3c64xx_spi_set_port_id()
  spi: s3c64xx: let the SPI core determine the bus number
  spi: s3c64xx: allow FIFO depth to be determined from the compatible
  spi: s3c64xx: retrieve the FIFO depth from the device tree
  spi: s3c64xx: determine the fifo depth only once
  spi: s3c64xx: allow full FIFO masks
  spi: s3c64xx: define a magic value
  spi: dt-bindings: introduce FIFO depth properties
  spi: axi-spi-engine: use struct_size() macro
  spi: axi-spi-engine: use __counted_by() attribute
  spi: axi-spi-engine: remove p from struct spi_engine_message_state
  ...
</pre>
</div>
</content>
</entry>
<entry>
<title>Input: xpad - add additional HyperX Controller Identifiers</title>
<updated>2024-03-03T22:46:20+00:00</updated>
<author>
<name>Max Nguyen</name>
<email>maxwell.nguyen@hp.com</email>
</author>
<published>2024-03-03T22:13:52+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=dd50f771af20fb02b1aecde04fbd085c872a9139'/>
<id>dd50f771af20fb02b1aecde04fbd085c872a9139</id>
<content type='text'>
Add additional HyperX device identifiers to xpad_device and xpad_table.

Suggested-by: Chris Toledanes&lt;chris.toledanes@hp.com&gt;
Reviewed-by: Carl Ng &lt;carl.ng@hp.com&gt;
Signed-off-by: Max Nguyen &lt;maxwell.nguyen@hp.com&gt;
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/44ad5ffa-76d8-4046-94ee-2ef171930ed2@gmail.com
Signed-off-by: Dmitry Torokhov &lt;dmitry.torokhov@gmail.com&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
Add additional HyperX device identifiers to xpad_device and xpad_table.

Suggested-by: Chris Toledanes&lt;chris.toledanes@hp.com&gt;
Reviewed-by: Carl Ng &lt;carl.ng@hp.com&gt;
Signed-off-by: Max Nguyen &lt;maxwell.nguyen@hp.com&gt;
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/44ad5ffa-76d8-4046-94ee-2ef171930ed2@gmail.com
Signed-off-by: Dmitry Torokhov &lt;dmitry.torokhov@gmail.com&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>Input: xpad - sort xpad_device by vendor and product ID</title>
<updated>2024-02-08T19:27:43+00:00</updated>
<author>
<name>Brenton Simpson</name>
<email>appsforartists@google.com</email>
</author>
<published>2024-02-08T19:13:17+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=18970d4f6317a3595cc592c3c7815f63d1818932'/>
<id>18970d4f6317a3595cc592c3c7815f63d1818932</id>
<content type='text'>
This helps making sure there are no duplicate entries in the tables.

Signed-off-by: Brenton Simpson &lt;appsforartists@google.com&gt;
Link: https://lore.kernel.org/r/20240130231903.293265-1-appsforartists@google.com
Signed-off-by: Dmitry Torokhov &lt;dmitry.torokhov@gmail.com&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
This helps making sure there are no duplicate entries in the tables.

Signed-off-by: Brenton Simpson &lt;appsforartists@google.com&gt;
Link: https://lore.kernel.org/r/20240130231903.293265-1-appsforartists@google.com
Signed-off-by: Dmitry Torokhov &lt;dmitry.torokhov@gmail.com&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>Input: pxspad - follow renaming of SPI "master" to "controller"</title>
<updated>2024-02-08T11:54:38+00:00</updated>
<author>
<name>Uwe Kleine-König</name>
<email>u.kleine-koenig@pengutronix.de</email>
</author>
<published>2024-02-07T18:40:18+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=a78acec53b8524593afeed7258a442adc3450818'/>
<id>a78acec53b8524593afeed7258a442adc3450818</id>
<content type='text'>
In commit 8caab75fd2c2 ("spi: Generalize SPI "master" to "controller"")
some functions and struct members were renamed. To not break all drivers
compatibility macros were provided.

To be able to remove these compatibility macros push the renaming into
this driver.

Acked-by: Dmitry Torokhov &lt;dmitry.torokhov@gmail.com&gt;
Acked-by: Jonathan Cameron &lt;Jonathan.Cameron@huawei.com&gt;
Signed-off-by: Uwe Kleine-König &lt;u.kleine-koenig@pengutronix.de&gt;
Link: https://lore.kernel.org/r/820fa151077dc192391d546aec35328680803f9f.1707324794.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Mark Brown &lt;broonie@kernel.org&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
In commit 8caab75fd2c2 ("spi: Generalize SPI "master" to "controller"")
some functions and struct members were renamed. To not break all drivers
compatibility macros were provided.

To be able to remove these compatibility macros push the renaming into
this driver.

Acked-by: Dmitry Torokhov &lt;dmitry.torokhov@gmail.com&gt;
Acked-by: Jonathan Cameron &lt;Jonathan.Cameron@huawei.com&gt;
Signed-off-by: Uwe Kleine-König &lt;u.kleine-koenig@pengutronix.de&gt;
Link: https://lore.kernel.org/r/820fa151077dc192391d546aec35328680803f9f.1707324794.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Mark Brown &lt;broonie@kernel.org&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>Input: xpad - add Lenovo Legion Go controllers</title>
<updated>2024-01-30T22:20:55+00:00</updated>
<author>
<name>Brenton Simpson</name>
<email>appsforartists@google.com</email>
</author>
<published>2024-01-30T21:34:16+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=80441f76ee67002437db61f3b317ed80cce085d2'/>
<id>80441f76ee67002437db61f3b317ed80cce085d2</id>
<content type='text'>
The Lenovo Legion Go is a handheld gaming system, similar to a Steam Deck.
It has a gamepad (including rear paddles), 3 gyroscopes, a trackpad,
volume buttons, a power button, and 2 LED ring lights.

The Legion Go firmware presents these controls as a USB hub with various
devices attached.  In its default state, the gamepad is presented as an
Xbox controller connected to this hub.  (By holding a combination of
buttons, it can be changed to use the older DirectInput API.)

This patch teaches the existing Xbox controller module `xpad` to bind to
the controller in the Legion Go, which enables support for the:

- directional pad,
- analog sticks (including clicks),
- X, Y, A, B,
- start and select (or menu and capture),
- shoulder buttons, and
- rumble.

The trackpad, touchscreen, volume controls, and power button are already
supported via existing kernel modules.  Two of the face buttons, the
gyroscopes, rear paddles, and LEDs are not.

After this patch lands, the Legion Go will be mostly functional in Linux,
out-of-the-box.  The various components of the USB hub can be synthesized
into a single logical controller (including the additional buttons) in
userspace with [Handheld Daemon](https://github.com/hhd-dev/hhd), which
makes the Go fully functional.

Signed-off-by: Brenton Simpson &lt;appsforartists@google.com&gt;
Link: https://lore.kernel.org/r/20240118183546.418064-1-appsforartists@google.com
Signed-off-by: Dmitry Torokhov &lt;dmitry.torokhov@gmail.com&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
The Lenovo Legion Go is a handheld gaming system, similar to a Steam Deck.
It has a gamepad (including rear paddles), 3 gyroscopes, a trackpad,
volume buttons, a power button, and 2 LED ring lights.

The Legion Go firmware presents these controls as a USB hub with various
devices attached.  In its default state, the gamepad is presented as an
Xbox controller connected to this hub.  (By holding a combination of
buttons, it can be changed to use the older DirectInput API.)

This patch teaches the existing Xbox controller module `xpad` to bind to
the controller in the Legion Go, which enables support for the:

- directional pad,
- analog sticks (including clicks),
- X, Y, A, B,
- start and select (or menu and capture),
- shoulder buttons, and
- rumble.

The trackpad, touchscreen, volume controls, and power button are already
supported via existing kernel modules.  Two of the face buttons, the
gyroscopes, rear paddles, and LEDs are not.

After this patch lands, the Legion Go will be mostly functional in Linux,
out-of-the-box.  The various components of the USB hub can be synthesized
into a single logical controller (including the additional buttons) in
userspace with [Handheld Daemon](https://github.com/hhd-dev/hhd), which
makes the Go fully functional.

Signed-off-by: Brenton Simpson &lt;appsforartists@google.com&gt;
Link: https://lore.kernel.org/r/20240118183546.418064-1-appsforartists@google.com
Signed-off-by: Dmitry Torokhov &lt;dmitry.torokhov@gmail.com&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>Merge branch 'next' into for-linus</title>
<updated>2024-01-14T05:54:39+00:00</updated>
<author>
<name>Dmitry Torokhov</name>
<email>dmitry.torokhov@gmail.com</email>
</author>
<published>2024-01-14T05:54:39+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=e2a2501af13cfeb1f21bb628db54c49d61949a53'/>
<id>e2a2501af13cfeb1f21bb628db54c49d61949a53</id>
<content type='text'>
Prepare input updates for 6.8 merge window.
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
Prepare input updates for 6.8 merge window.
</pre>
</div>
</content>
</entry>
<entry>
<title>Input: driver for Adafruit Seesaw Gamepad</title>
<updated>2024-01-10T07:45:19+00:00</updated>
<author>
<name>Anshul Dalal</name>
<email>anshulusr@gmail.com</email>
</author>
<published>2024-01-09T22:39:26+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=52c4e5985a730796a3fa555b83b404708b960f9d'/>
<id>52c4e5985a730796a3fa555b83b404708b960f9d</id>
<content type='text'>
Adds a driver for a mini gamepad that communicates over i2c, the gamepad
has bidirectional thumb stick input and six buttons.

The gamepad chip utilizes the open framework from Adafruit called 'Seesaw'
to transmit the ADC data for the joystick and digital pin state for the
buttons. I have only implemented the functionality required to receive the
thumb stick and button state.

Steps in reading the gamepad state over i2c:
  1. Reset the registers
  2. Set the pin mode of the pins specified by the `BUTTON_MASK` to input
      `BUTTON_MASK`: A bit-map for the six digital pins internally
       connected to the joystick buttons.
  3. Enable internal pullup resistors for the `BUTTON_MASK`
  4. Bulk set the pin state HIGH for `BUTTON_MASK`
  5. Poll the device for button and joystick state done by:
      `seesaw_read_data(struct i2c_client *client, struct seesaw_data *data)`

Product page:
  https://www.adafruit.com/product/5743
Arduino driver:
  https://github.com/adafruit/Adafruit_Seesaw

Driver tested on RPi Zero 2W

Reviewed-by: Thomas Weißschuh &lt;linux@weissschuh.net&gt;
Signed-off-by: Anshul Dalal &lt;anshulusr@gmail.com&gt;
Link: https://lore.kernel.org/r/20240106015111.882325-2-anshulusr@gmail.com
Signed-off-by: Dmitry Torokhov &lt;dmitry.torokhov@gmail.com&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
Adds a driver for a mini gamepad that communicates over i2c, the gamepad
has bidirectional thumb stick input and six buttons.

The gamepad chip utilizes the open framework from Adafruit called 'Seesaw'
to transmit the ADC data for the joystick and digital pin state for the
buttons. I have only implemented the functionality required to receive the
thumb stick and button state.

Steps in reading the gamepad state over i2c:
  1. Reset the registers
  2. Set the pin mode of the pins specified by the `BUTTON_MASK` to input
      `BUTTON_MASK`: A bit-map for the six digital pins internally
       connected to the joystick buttons.
  3. Enable internal pullup resistors for the `BUTTON_MASK`
  4. Bulk set the pin state HIGH for `BUTTON_MASK`
  5. Poll the device for button and joystick state done by:
      `seesaw_read_data(struct i2c_client *client, struct seesaw_data *data)`

Product page:
  https://www.adafruit.com/product/5743
Arduino driver:
  https://github.com/adafruit/Adafruit_Seesaw

Driver tested on RPi Zero 2W

Reviewed-by: Thomas Weißschuh &lt;linux@weissschuh.net&gt;
Signed-off-by: Anshul Dalal &lt;anshulusr@gmail.com&gt;
Link: https://lore.kernel.org/r/20240106015111.882325-2-anshulusr@gmail.com
Signed-off-by: Dmitry Torokhov &lt;dmitry.torokhov@gmail.com&gt;
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