linux-kernel - Re: [PATCH v3] dt-bindings: mfd: Move embedded controllers to own directory

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Message-ID: <175625224288.764159.13881647192010727208.robh@kernel.org>
Date: Tue, 26 Aug 2025 18:50:43 -0500
From: "Rob Herring (Arm)" <robh@...nel.org>
To: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc: Linus Walleij <linus.walleij@...aro.org>,
	linux-watchdog@...r.kernel.org,
	Mathew McBride <matt@...verse.com.au>,
	linux-arm-kernel@...ts.infradead.org,
	Michael Walle <mwalle@...nel.org>,
	Uwe Kleine-König <ukleinek@...nel.org>,
	Liam Girdwood <lgirdwood@...il.com>,
	Nikita Travkin <nikita@...n.ru>,
	Guenter Roeck <groeck@...omium.org>,
	Conor Dooley <conor+dt@...nel.org>,
	linux-mediatek@...ts.infradead.org,
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
	Jean Delvare <jdelvare@...e.com>,
	Tim Harvey <tharvey@...eworks.com>,
	Matthias Brugger <matthias.bgg@...il.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Mark Brown <broonie@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Mathieu Poirier <mathieu.poirier@...aro.org>,
	Thierry Reding <thierry.reding@...il.com>,
	linux-sound@...r.kernel.org,
	Cheng-Yi Chiang <cychiang@...omium.org>,
	linux-hwmon@...r.kernel.org, Tzung-Bi Shih <tzungbi@...nel.org>,
	Pengyu Luo <mitltlatltl@...il.com>, linux-gpio@...r.kernel.org,
	linux-remoteproc@...r.kernel.org,
	Benson Leung <bleung@...omium.org>, Lee Jones <lee@...nel.org>,
	linux-pwm@...r.kernel.org, Konrad Dybcio <konradybcio@...nel.org>,
	Wim Van Sebroeck <wim@...ux-watchdog.org>,
	chrome-platform@...ts.linux.dev, devicetree@...r.kernel.org,
	Bartosz Golaszewski <brgl@...ev.pl>, linux-kernel@...r.kernel.org,
	Bjorn Andersson <andersson@...nel.org>,
	Tinghan Shen <tinghan.shen@...iatek.com>
Subject: Re: [PATCH v3] dt-bindings: mfd: Move embedded controllers to own
 directory


On Mon, 25 Aug 2025 10:12:02 +0200, Krzysztof Kozlowski wrote:
> Move several embedded controller bindings (like ChromeOS EC, Gateworks
> System Controller and Kontron sl28cpld Board Management) to new
> subdirectory "embedded-controller" matching their purpose.
> 
> An embedded controller (EC) is a discrete component that contains a
> microcontroller (i.e. a small CPU running a small firmware without
> operating system) mounted into a larger computer system running
> a fully fledged operating system that needs to utilize the embedded
> controller as part of its operation.
> 
> So far the EC bindings were split between "mfd" and "platform"
> directory.  MFD name comes from Linux, not hardware, and "platform" is a
> bit too generic.
> 
> Rename Gateworks GSC and Huawei Gaokun filenames to match compatible, as
> preferred for bindings.
> 
> Acked-by: Michael Walle <mwalle@...nel.org> # for sl28cpld
> Reviewed-by: Linus Walleij <linus.walleij@...aro.org>
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> ---
> 
> Lee,
> Can you take it via MFD?
> There is a patch on the lists touching kontron,sl28cpld.
> 
> Changes in v3:
> 1. Move more files from "platform" directory.
> 2. Grow commit msg, based on feedback from Linus.
> 3. Add Rb (patch changed, though).
> 
> Changes in v2:
> 1. Correct remaining paths in other schemas ($ref and descriptions).
> 2. Add Ack.
> 
> Cc: Mathew McBride <matt@...verse.com.au>
> ---
>  .../{platform => embedded-controller}/acer,aspire1-ec.yaml  | 2 +-
>  .../{mfd => embedded-controller}/google,cros-ec.yaml        | 2 +-
>  .../gateworks-gsc.yaml => embedded-controller/gw,gsc.yaml}  | 2 +-
>  .../huawei,gaokun3-ec.yaml}                                 | 2 +-
>  .../{mfd => embedded-controller}/kontron,sl28cpld.yaml      | 2 +-
>  .../lenovo,yoga-c630-ec.yaml                                | 2 +-
>  .../microsoft,surface-sam.yaml                              | 2 +-
>  .../devicetree/bindings/gpio/kontron,sl28cpld-gpio.yaml     | 2 +-
>  .../devicetree/bindings/hwmon/kontron,sl28cpld-hwmon.yaml   | 2 +-
>  .../interrupt-controller/kontron,sl28cpld-intc.yaml         | 2 +-
>  .../devicetree/bindings/pwm/google,cros-ec-pwm.yaml         | 2 +-
>  .../devicetree/bindings/pwm/kontron,sl28cpld-pwm.yaml       | 2 +-
>  Documentation/devicetree/bindings/remoteproc/mtk,scp.yaml   | 4 ++--
>  .../devicetree/bindings/sound/google,cros-ec-codec.yaml     | 2 +-
>  .../devicetree/bindings/watchdog/kontron,sl28cpld-wdt.yaml  | 2 +-
>  MAINTAINERS                                                 | 6 +++---
>  16 files changed, 19 insertions(+), 19 deletions(-)
>  rename Documentation/devicetree/bindings/{platform => embedded-controller}/acer,aspire1-ec.yaml (94%)
>  rename Documentation/devicetree/bindings/{mfd => embedded-controller}/google,cros-ec.yaml (99%)
>  rename Documentation/devicetree/bindings/{mfd/gateworks-gsc.yaml => embedded-controller/gw,gsc.yaml} (98%)
>  rename Documentation/devicetree/bindings/{platform/huawei,gaokun-ec.yaml => embedded-controller/huawei,gaokun3-ec.yaml} (97%)
>  rename Documentation/devicetree/bindings/{mfd => embedded-controller}/kontron,sl28cpld.yaml (97%)
>  rename Documentation/devicetree/bindings/{platform => embedded-controller}/lenovo,yoga-c630-ec.yaml (95%)
>  rename Documentation/devicetree/bindings/{platform => embedded-controller}/microsoft,surface-sam.yaml (92%)
> 

Reviewed-by: Rob Herring (Arm) <robh@...nel.org>