arm64: dts: imx8mm-evk: Add BD71847 PMIC
The BUCK2 regulator is used for cpufreq voltage control, otherwise configuration is mostly static. This uses the newly-implemented rohm,reset-snvs-powered property to properly handle the SNVS state of imx8mm. Between BD71837 and BD71847 the BUCK3/4 regulators were removed but datasheet and board schematics kept the names for BUCK5/6/7/8. The driver however renumbered 5/6/7/8 to 3/4/5/6. Use the names from DT bindings and add comments to signal this. Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com> Acked-By: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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