From: Krzysztof Kozlowski <krzk@kernel.org>
To: Abdurrahman Hussain <abdurrahman@nexthop.ai>
Cc: Guenter Roeck <linux@roeck-us.net>, Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Jonathan Corbet <corbet@lwn.net>,
Shuah Khan <skhan@linuxfoundation.org>,
linux-hwmon@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org
Subject: Re: [PATCH v4 1/2] dt-bindings: trivial-devices: Add Murata D1U74T PSU
Date: Fri, 15 May 2026 08:43:52 +0200 [thread overview]
Message-ID: <20260515-melodic-nimble-gorilla-21c7ed@quoll> (raw)
In-Reply-To: <20260514-d1u74t-v4-1-1f1ee7b002ec@nexthop.ai>
On Thu, May 14, 2026 at 08:03:25PM -0700, Abdurrahman Hussain wrote:
> The Murata D1U74T-W series are hot-pluggable 1U AC/DC front-end
> power supplies in the Intel CRPS-185 / OCP M-CRPS form factor.
> Each variant delivers a 12 V main output plus a 12 V standby output
> from a wide AC input (90-264 Vac) or HVDC supply, and includes an
> internal variable-speed cooling fan and on-board voltage, current,
> power, fan-speed, and temperature telemetry.
>
> The host-side digital interface is a PMBus 1.2 port on I2C. The
> PSU's other electrical signals (status, alert, current-share) live
> on the CRPS edge connector and are consumed by the chassis
> controller rather than the host SoC, so there are no host-described
> supplies, GPIOs, clocks, or interrupts. Add the compatible to
> trivial-devices.yaml rather than carrying a standalone binding file.
>
> Signed-off-by: Abdurrahman Hussain <abdurrahman@nexthop.ai>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Best regards,
Krzysztof
next prev parent reply other threads:[~2026-05-15 6:43 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-15 3:03 [PATCH v4 0/2] hwmon: Add Murata D1U74T-W PSU driver Abdurrahman Hussain
2026-05-15 3:03 ` [PATCH v4 1/2] dt-bindings: trivial-devices: Add Murata D1U74T PSU Abdurrahman Hussain
2026-05-15 6:43 ` Krzysztof Kozlowski [this message]
2026-05-15 3:03 ` [PATCH v4 2/2] hwmon: (pmbus/d1u74t) Add Murata D1U74T PSU driver Abdurrahman Hussain
2026-05-15 3:34 ` sashiko-bot
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