linux-kernel - Re: [PATCH 1/4] regulator: dt-bindings: Add Linear Technology LTM8054 regulator

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Message-ID: <5135820.31r3eYUQgx@fw-rgant>
Date: Wed, 17 Sep 2025 17:51:05 +0200
From: Romain Gantois <romain.gantois@...tlin.com>
To: Liam Girdwood <lgirdwood@...il.com>, Mark Brown <broonie@...nel.org>,
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>, Jonathan Cameron <jic23@...nel.org>,
 Nuno Sá <nuno.sa@...log.com>,
 Andy Shevchenko <andy@...nel.org>, David Lechner <dlechner@...libre.com>
Cc: Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
 linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
 linux-iio@...r.kernel.org
Subject:
 Re: [PATCH 1/4] regulator: dt-bindings: Add Linear Technology LTM8054
 regulator

On Tuesday, 16 September 2025 21:24:42 CEST David Lechner wrote:
> On 9/16/25 5:24 AM, Romain Gantois wrote:
> > The Linear Technology LTM8054 is a Buck-Boost voltage regulator with an
> > input range of 5V to 36V and an output range of 1.2V to 36V.
...
> > +  The output current of the LTM8054 can be limited by tying the Iout pin
> > to a +  current sense resistor. This limit can be further lowered by
> > applying a +  voltage below 1.2V to the CTL pin.
> > +
> > +allOf:
> > +  - $ref: /schemas/regulator/regulator.yaml#
> > +
> > +properties:
> > +  compatible:
> > +    const: lltc,ltm8054
> 
> Looks like they got bought by Analog Devices Inc., so adi,ltm8054.
> 

Ah yes, I'll also change the Kconfig and driver descriptions in that case. I'd 
like to keep the lltc,fb-voltage-divider property name though, since that's 
already used in an identical way by two other regulator bindings.

...
> > +examples:
> > +  - |
> > +    #include <dt-bindings/gpio/gpio.h>
> > +
> > +    / {
> 
> Examples usually don't have a root node. Probably explains
> the bot errors. (but you should have seen the same errors
> locally with make dt_binding_check.)
> 

I didn't see the errors but I'm guessing that's due to an out-of-date dtschema
dependency on my system, thanks for pointing it out.

Thanks,

-- 
Romain Gantois, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com

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