From: a0282524688@gmail.com
To: tmyu0@nuvoton.com, linusw@kernel.org, brgl@kernel.org,
linux@roeck-us.net, andi.shyti@kernel.org, lee@kernel.org,
mkl@pengutronix.de, mailhol@kernel.org,
alexandre.belloni@bootlin.com, wim@linux-watchdog.org
Cc: linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org,
linux-i2c@vger.kernel.org, linux-can@vger.kernel.org,
netdev@vger.kernel.org, linux-watchdog@vger.kernel.org,
linux-hwmon@vger.kernel.org, linux-rtc@vger.kernel.org,
linux-usb@vger.kernel.org, Ming Yu <a0282524688@gmail.com>
Subject: [PATCH v1 0/2] mfd: nct6694: Refactor transport layer and add HIF (eSPI) support
Date: Thu, 2 Apr 2026 13:14:40 +0800 [thread overview]
Message-ID: <20260402051442.1426672-1-a0282524688@gmail.com> (raw)
From: Ming Yu <a0282524688@gmail.com>
The Nuvoton NCT6694 is a peripheral expander that provides GPIO, I2C,
CAN-FD, Watchdog, HWMON, PWM, and RTC sub-devices. Currently, the
driver only supports USB as the host transport interface.
This series refactors the NCT6694 MFD core to support multiple transport
backends and adds a new Host Interface (HIF) transport driver that
communicates over eSPI using Super-I/O shared memory.
Ming Yu (2):
mfd: nct6694: Switch to devm_mfd_add_devices() and drop IDA
mfd: Add Host Interface (HIF) support for Nuvoton NCT6694
MAINTAINERS | 1 +
drivers/gpio/gpio-nct6694.c | 26 +-
drivers/hwmon/nct6694-hwmon.c | 21 -
drivers/i2c/busses/i2c-nct6694.c | 26 +-
drivers/mfd/Kconfig | 47 +-
drivers/mfd/Makefile | 3 +-
drivers/mfd/nct6694-hif.c | 649 ++++++++++++++++++++++++++++
drivers/mfd/nct6694.c | 180 ++++----
drivers/net/can/usb/nct6694_canfd.c | 18 +-
drivers/rtc/rtc-nct6694.c | 7 -
drivers/watchdog/nct6694_wdt.c | 27 +-
include/linux/mfd/nct6694.h | 57 ++-
12 files changed, 829 insertions(+), 233 deletions(-)
create mode 100644 drivers/mfd/nct6694-hif.c
--
2.34.1
next reply other threads:[~2026-04-02 5:15 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-02 5:14 a0282524688 [this message]
2026-04-02 5:14 ` [PATCH v1 1/2] mfd: nct6694: Switch to devm_mfd_add_devices() and drop IDA a0282524688
2026-04-02 5:14 ` [PATCH v1 2/2] mfd: Add Host Interface (HIF) support for Nuvoton NCT6694 a0282524688
2026-04-02 11:05 ` Marc Kleine-Budde
2026-04-03 4:46 ` Ming Yu
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