From: "Rob Herring (Arm)" <robh@kernel.org>
To: Robert Marko <robert.marko@sartura.hr>
Cc: skhan@linuxfoundation.org, rdunlap@infradead.org,
nicolas.ferre@microchip.com, claudiu.beznea@tuxon.dev,
Conor Dooley <conor.dooley@microchip.com>,
conor+dt@kernel.org, luka.perkov@sartura.hr, linux@roeck-us.net,
devicetree@vger.kernel.org, linux-doc@vger.kernel.org,
linux-hwmon@vger.kernel.org, corbet@lwn.net, krzk+dt@kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3 2/4] dt-bindings: hwmon: add Microchip LAN969x fan controller
Date: Wed, 11 Nov 2026 19:06:05 -0600 [thread overview]
Message-ID: <179444556456.3829380.4513786084250860193.robh@kernel.org> (raw)
In-Reply-To: <20261111161619.232141-2-robert.marko@sartura.hr>
On Wed, 11 Nov 2026 17:12:46 +0100, Robert Marko wrote:
> The LAN969x fan controller has a PWM output and tachometer input in a
> register block separate from the Sparx5-compatible temperature sensor.
> Describe it with its own compatible and binding.
>
> The optional fan child specifies PWM period and polarity, tachometer
> pulses per revolution, and thermal cooling levels.
>
> Acked-by: Conor Dooley <conor.dooley@microchip.com>
> Signed-off-by: Robert Marko <robert.marko@sartura.hr>
> ---
> Changes in v3:
> - Drop the unnecessary literal-style description marker.
> - Inherit pulse-count bounds from fan-common.yaml.
> - Require cooling-levels only when #cooling-cells is present.
> - Add Conor Dooley's Acked-by tag.
>
> Changes in v2:
> - Describe the fan controller in a separate binding and compatible.
> - Keep the existing temperature-sensor binding unchanged.
>
> .../bindings/hwmon/microchip,lan9691-fan.yaml | 79 +++++++++++++++++++
> 1 file changed, 79 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/hwmon/microchip,lan9691-fan.yaml
>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
next prev parent reply other threads:[~2026-11-12 1:06 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-11-11 16:12 [PATCH v3 1/4] dt-bindings: hwmon: fan-common: reject zero pulses per revolution Robert Marko
2026-11-11 16:12 ` [PATCH v3 2/4] dt-bindings: hwmon: add Microchip LAN969x fan controller Robert Marko
2026-11-12 1:06 ` Rob Herring (Arm) [this message]
2026-11-11 16:12 ` [PATCH v3 3/4] hwmon: Add Microchip LAN969x fan controller driver Robert Marko
2026-11-11 16:12 ` [PATCH v3 4/4] arm64: dts: microchip: lan969x: add fan controller Robert Marko
2026-11-12 1:05 ` [PATCH v3 1/4] dt-bindings: hwmon: fan-common: reject zero pulses per revolution Rob Herring
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