arm64: dts: imx8mm-var-som-symphony: Enable uSD on USDHC2

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Enable the microSD slot on the VAR-SOM Symphony carrier board.

Configure USDHC2 with card-detect GPIO, pinctrl states for the supported
bus speeds and the required VMMC supply.

Update the VMMC regulator to match the latest carrier revision by moving
the enable GPIO to GPIO4_IO22 and adding the required off-on delay.

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

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Stefano Radaelli 2026-03-19 19:40:28 +01:00 • committed by Frank Li

parent 4e9088abea

commit 20aa2aee50

1 changed files with 57 additions and 2 deletions

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arch/arm64/boot/dts/freescale/imx8mm-var-som-symphony.dts

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