[PATCH v3 0/7] Add support for MAX7360

From: Mathieu Dubois-Briand
Date: Mon Jan 13 2025 - 07:43:24 EST


This series implements a set of drivers allowing to support the Maxim
Integrated MAX7360 device.

The MAX7360 is an I2C key-switch and led controller, with following
functionalities:
- Keypad controller for a key matrix of up to 8 rows and 8 columns.
- Rotary encoder support, for a single rotary encoder.
- Up to 8 PWM outputs.
- Up to 8 GPIOs with support for interrupts and 6 GPOs.

Chipset pins are shared between all functionalities, so all cannot be
used at the same time.

Signed-off-by: Mathieu Dubois-Briand <mathieu.dubois-briand@xxxxxxxxxxx>
---
Changes in v3:
- Fix MFD device tree binding to add gpio child nodes.
- Fix various small issues in device tree bindings.
- Add missing line returns in error messages.
- Use dev_err_probe() when possible.
- Link to v2: https://lore.kernel.org/r/20241223-mdb-max7360-support-v2-0-37a8d22c36ed@xxxxxxxxxxx

Changes in v2:
- Removing device tree subnodes for keypad, rotary encoder and pwm
functionalities.
- Fixed dt-bindings syntax and naming.
- Fixed missing handling of requested period in PWM driver.
- Cleanup of the code
- Link to v1: https://lore.kernel.org/r/20241219-mdb-max7360-support-v1-0-8e8317584121@xxxxxxxxxxx

---
Kamel Bouhara (2):
mfd: Add max7360 support
pwm: max7360: Add MAX7360 PWM support

Mathieu Dubois-Briand (5):
dt-bindings: mfd: gpio: Add MAX7360
gpio: max7360: Add MAX7360 gpio support
input: keyboard: Add support for MAX7360 keypad
input: misc: Add support for MAX7360 rotary
MAINTAINERS: Add entry on MAX7360 driver

.../bindings/gpio/maxim,max7360-gpio.yaml | 90 ++++
.../devicetree/bindings/mfd/maxim,max7360.yaml | 140 +++++++
MAINTAINERS | 12 +
drivers/gpio/Kconfig | 11 +
drivers/gpio/Makefile | 1 +
drivers/gpio/gpio-max7360.c | 454 +++++++++++++++++++++
drivers/input/keyboard/Kconfig | 12 +
drivers/input/keyboard/Makefile | 1 +
drivers/input/keyboard/max7360-keypad.c | 284 +++++++++++++
drivers/input/misc/Kconfig | 11 +
drivers/input/misc/Makefile | 1 +
drivers/input/misc/max7360-rotary.c | 183 +++++++++
drivers/mfd/Kconfig | 12 +
drivers/mfd/Makefile | 1 +
drivers/mfd/max7360.c | 296 ++++++++++++++
drivers/pwm/Kconfig | 11 +
drivers/pwm/Makefile | 1 +
drivers/pwm/pwm-max7360.c | 220 ++++++++++
include/linux/mfd/max7360.h | 109 +++++
19 files changed, 1850 insertions(+)
---
base-commit: 78d4f34e2115b517bcbfe7ec0d018bbbb6f9b0b8
change-id: 20241219-mdb-max7360-support-223a8ce45ba3

Best regards,
--
Mathieu Dubois-Briand <mathieu.dubois-briand@xxxxxxxxxxx>