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SubjectRe: [PATCH v6 2/3] ARM: dts: imx6qdl: Add Variscite VAR-SOM-MX6 SoM support
On Fri, Jul 21, 2023 at 05:05:51AM -0600, James Hilliard wrote:
> On Fri, Jul 21, 2023 at 4:43 AM Krzysztof Kozlowski
> <krzysztof.kozlowski@linaro.org> wrote:
> > On 21/07/2023 12:33, James Hilliard wrote:
> > > + compatible = "regulator-fixed";
> > > + regulator-name = "touch_3v3_supply";
> > > + regulator-always-on;
> >
> > Also, missing constraints.
>
> Hmm, what's the correct way to determine the constraint values?

You should know/understand the hardware design. Normally when writing a
DT file you have the hardware schematics and the relevant datasheets
available.

> I'm guessing they should just be set to this based on the name?:
> regulator-min-microvolt = <3300000>;
> regulator-max-microvolt = <3300000>;

This looks like a good guess, assuming that the regulator name is
correct.

Francesco

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