Re: [RFC v2 1/5] dt-bindings: pinctrl: document polarfire soc mssio pin controller

Conor Dooley
2025-12-18T00:59:29Z

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On Tue, Dec 16, 2025 at 04:16:31PM -0600, Rob Herring wrote:
> On Thu, Nov 27, 2025 at 10:57:57AM +0000, Conor Dooley wrote:
> > +
> > + microchip,bank-voltage-microvolt:
> > + description:
> > + Which bank voltage to use. This cannot differ for pins in a
> > + given bank, the whole bank uses the same voltage.
> > + enum: [ 1200000, 1500000, 1800000, 2500000, 3300000 ]
>
> "power-source" serves this purpose. It's not well defined as sometimes
> it's a register value and sometimes a voltage (in various units).

I don't recall exactly why I chose not to use that property, because I
did know it existed. I *think* it was because the selection was not per
pin and I wanted to make it clear - but I should probably just use that
property and add the description from above.

>
> > +
> > + microchip,clamp-diode:
> > + $ref: /schemas/types.yaml#/definitions/flag
> > + description:
> > + Reflects the "Clamp Diode" setting in the MSS Configurator for
> > + this pin. This setting controls whether or not input voltage
> > + clamping should be enabled.

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