arm64: dts: imx91-var-dart-sonata: add RGB enable supply for PCA6408

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RGB enable pin, labeled as RGBSEL, is a board-level enable signal on
the Sonata carrier board.

The two PCA6408 GPIO expanders depend on this signal being asserted, so
model it as a fixed regulator and use it as their vcc-supply.

Signed-off-by: Stefano Radaelli <stefano.r@variscite.com>
Signed-off-by: Frank Li <Frank.Li@nxp.com>

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Stefano Radaelli 2026-03-31 11:21:12 +02:00 • committed by Frank Li

parent 46e2e3a1c9

commit 67efe58b4a

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arch/arm64/boot/dts/freescale/imx91-var-dart-sonata.dts

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