netdev - Re: [PATCH v14 0/7] Add Nuvoton NCT6694 MFD drivers

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Message-ID: <20250723095856.GT11056@google.com>
Date: Wed, 23 Jul 2025 10:58:56 +0100
From: Lee Jones <lee@...nel.org>
To: a0282524688@...il.com
Cc: tmyu0@...oton.com, linus.walleij@...aro.org, brgl@...ev.pl,
	andi.shyti@...nel.org, mkl@...gutronix.de,
	mailhol.vincent@...adoo.fr, andrew+netdev@...n.ch,
	davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
	pabeni@...hat.com, wim@...ux-watchdog.org, linux@...ck-us.net,
	jdelvare@...e.com, alexandre.belloni@...tlin.com,
	linux-kernel@...r.kernel.org, linux-gpio@...r.kernel.org,
	linux-i2c@...r.kernel.org, linux-can@...r.kernel.org,
	netdev@...r.kernel.org, linux-watchdog@...r.kernel.org,
	linux-hwmon@...r.kernel.org, linux-rtc@...r.kernel.org,
	linux-usb@...r.kernel.org
Subject: Re: [PATCH v14 0/7] Add Nuvoton NCT6694 MFD drivers

On Tue, 15 Jul 2025, a0282524688@...il.com wrote:

> From: Ming Yu <a0282524688@...il.com>
> 
> This patch series introduces support for Nuvoton NCT6694, a peripheral
> expander based on USB interface. It models the chip as an MFD driver
> (1/7), GPIO driver(2/7), I2C Adapter driver(3/7), CANfd driver(4/7),
> WDT driver(5/7), HWMON driver(6/7), and RTC driver(7/7).
> 
> The MFD driver implements USB device functionality to issue
> custom-define USB bulk pipe packets for NCT6694. Each child device can
> use the USB functions nct6694_read_msg() and nct6694_write_msg() to issue
> a command. They can also request interrupt that will be called when the
> USB device receives its interrupt pipe.
> 
> The following introduces the custom-define USB transactions:
> 	nct6694_read_msg - Send bulk-out pipe to write request packet
> 			   Receive bulk-in pipe to read response packet
> 			   Receive bulk-in pipe to read data packet
> 
> 	nct6694_write_msg - Send bulk-out pipe to write request packet
> 			    Send bulk-out pipe to write data packet
> 			    Receive bulk-in pipe to read response packet

[...]

> Ming Yu (7):
>   mfd: Add core driver for Nuvoton NCT6694
>   gpio: Add Nuvoton NCT6694 GPIO support
>   i2c: Add Nuvoton NCT6694 I2C support
>   can: Add Nuvoton NCT6694 CANFD support
>   watchdog: Add Nuvoton NCT6694 WDT support
>   hwmon: Add Nuvoton NCT6694 HWMON support
>   rtc: Add Nuvoton NCT6694 RTC support
> 
>  MAINTAINERS                         |  12 +
>  drivers/gpio/Kconfig                |  12 +
>  drivers/gpio/Makefile               |   1 +
>  drivers/gpio/gpio-nct6694.c         | 499 +++++++++++++++
>  drivers/hwmon/Kconfig               |  10 +
>  drivers/hwmon/Makefile              |   1 +
>  drivers/hwmon/nct6694-hwmon.c       | 949 ++++++++++++++++++++++++++++
>  drivers/i2c/busses/Kconfig          |  10 +
>  drivers/i2c/busses/Makefile         |   1 +
>  drivers/i2c/busses/i2c-nct6694.c    | 196 ++++++
>  drivers/mfd/Kconfig                 |  15 +
>  drivers/mfd/Makefile                |   2 +
>  drivers/mfd/nct6694.c               | 388 ++++++++++++
>  drivers/net/can/usb/Kconfig         |  11 +
>  drivers/net/can/usb/Makefile        |   1 +
>  drivers/net/can/usb/nct6694_canfd.c | 832 ++++++++++++++++++++++++
>  drivers/rtc/Kconfig                 |  10 +
>  drivers/rtc/Makefile                |   1 +
>  drivers/rtc/rtc-nct6694.c           | 297 +++++++++
>  drivers/watchdog/Kconfig            |  11 +
>  drivers/watchdog/Makefile           |   1 +
>  drivers/watchdog/nct6694_wdt.c      | 307 +++++++++
>  include/linux/mfd/nct6694.h         | 102 +++
>  23 files changed, 3669 insertions(+)
>  create mode 100644 drivers/gpio/gpio-nct6694.c
>  create mode 100644 drivers/hwmon/nct6694-hwmon.c
>  create mode 100644 drivers/i2c/busses/i2c-nct6694.c
>  create mode 100644 drivers/mfd/nct6694.c
>  create mode 100644 drivers/net/can/usb/nct6694_canfd.c
>  create mode 100644 drivers/rtc/rtc-nct6694.c
>  create mode 100644 drivers/watchdog/nct6694_wdt.c
>  create mode 100644 include/linux/mfd/nct6694.h

I will apply this the other side of the pending merge-window.

-- 
Lee Jones [李琼斯]