[PATCH v7 0/4] Add drivers for Sony Cronos control CPLD

From: Raptor Engineering Development Team

Date: Thu Jan 29 2026 - 14:30:32 EST


From: Timothy Pearson <tpearson@xxxxxxxxxxxxxxxxxxxxx>

Hello all,

This series adds a driver for the multi-function CPLD found on the Sony
Interactive Entertainment Cronos x86 server platform. It provides a
watchdog timer and an LED controller, both of which will depend on the
MFD parent driver implemented in this series. Device tree bindings are
also included.

Changes in v7:

* Fix DT binding check errors
* Minor fixups to MFD driver per maintainer request

Thanks,

Shawn Anastasio (1):
dt-bindings: mfd: Add sony,cronos-smc

Timothy Pearson (3):
mfd: sony-cronos-smc: Add driver for Sony Cronos SMC
led: sony-cronos-smc: Add RGB LED driver for Sony Cronos SMC
watchdog: sony-cronos-smc: Add watchdog driver for Sony Cronos SMC

.../bindings/mfd/sony,cronos-smc.yaml | 128 ++++++
MAINTAINERS | 7 +
drivers/leds/Kconfig | 19 +
drivers/leds/Makefile | 1 +
drivers/leds/leds-sony-cronos.c | 376 ++++++++++++++++++
drivers/mfd/Kconfig | 11 +
drivers/mfd/Makefile | 2 +
drivers/mfd/sony-cronos-smc.c | 204 ++++++++++
drivers/watchdog/Kconfig | 17 +
drivers/watchdog/Makefile | 1 +
drivers/watchdog/sony-cronos-wdt.c | 283 +++++++++++++
include/linux/mfd/sony-cronos.h | 61 +++
12 files changed, 1110 insertions(+)
create mode 100644 Documentation/devicetree/bindings/mfd/sony,cronos-smc.yaml
create mode 100644 drivers/leds/leds-sony-cronos.c
create mode 100644 drivers/mfd/sony-cronos-smc.c
create mode 100644 drivers/watchdog/sony-cronos-wdt.c
create mode 100644 include/linux/mfd/sony-cronos.h

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2.39.5