linux-kernel - Re: [PATCH v6 4/5] dt-bindings: arm: add support for SCMI Regulators

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Message-ID: <20201123173008.GK6322@sirena.org.uk>
Date:   Mon, 23 Nov 2020 17:30:08 +0000
From:   Mark Brown <broonie@...nel.org>
To:     Cristian Marussi <cristian.marussi@....com>
Cc:     linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        devicetree@...r.kernel.org, sudeep.holla@....com,
        lukasz.luba@....com, james.quinlan@...adcom.com,
        Jonathan.Cameron@...wei.com, robh@...nel.org,
        satyakim@....qualcomm.com, etienne.carriere@...aro.org,
        f.fainelli@...il.com, vincent.guittot@...aro.org,
        souvik.chakravarty@....com
Subject: Re: [PATCH v6 4/5] dt-bindings: arm: add support for SCMI Regulators

On Thu, Nov 19, 2020 at 07:10:50PM +0000, Cristian Marussi wrote:

> +This binding uses the common regulator binding[6] but, due to SCMI abstractions,
> +supports only a subset of its properties as specified below amongst Optional
> +properties.

> +Required properties:
> + - reg : shall identify an existent SCMI Voltage Domain.

> +Optional properties:
> + - regulator-name
> + - regulator-min-microvolt / regulator-max-microvolt
> + - regulator-always-on / regulator-boot-on
> + - regulator-max-step-microvolt
> + - regulator-coupled-with / regulator-coupled-max-spread

Please send a followup patch removing this stuff about only specific
properties being supported, that's just asking for bitrot and is equally
true for most regulator drivers - people shouldn't have to do do an
audit of every single regulator driver to add a generic feature.

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