arm64: dts: imx8mm-tqma8mqml: fix LDO5 power off

Browse source

Fix SD card removal caused by automatic LDO5 power off after boot.

To prevent this, add vqmmc regulator for USDHC, using a GPIO-controlled
regulator that is supplied by LDO5. Since this is implemented on SoM but
used on baseboards with SD-card interface, implement the functionality
on SoM part and optionally enable it on baseboards if needed.

Signed-off-by: Markus Niebel <Markus.Niebel@ew.tq-group.com>
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

...

This commit is contained in:

Markus Niebel 2025-12-16 14:31:07 +01:00 • committed by Shawn Guo

parent 7c9910ffda

commit f7a65b08bc

2 changed files with 29 additions and 6 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

13

arch/arm64/boot/dts/freescale/imx8mm-tqma8mqml-mba8mx.dts

View file

22

arch/arm64/boot/dts/freescale/imx8mm-tqma8mqml.dtsi

View file