Adding a regulator in an overlay?

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1

My cape has some regulators that need to be enabled via GPIO. Can I add them as regulator nodes in an overlay? What's the syntax, just

    my_reg: regulator@0 {
        ...stuff...
    };

in the top level of my overlay?

2

Oh, oops, I found fixed-regulator. Still, can I just drop a non-fragment node in my overlay?

TIA,
Rick