On 9/30/20 5:49 PM, Lucas Stach wrote: [...] > @@ -504,10 +499,13 @@ static int imx_pgc_domain_probe(struct platform_device *pdev) > return ret; > } > > + regmap_update_bits(domain->regmap, GPC_PGC_CPU_MAPPING, > + domain->bits.map, domain->bits.map); Shouldn't this also clear the "top" bits of the mapping, to remove power control from the CM4 , now that CA53 Linux is in control of those domains ? In fact, what happens if you boot linux on the CM4 instead ? I think you can do it on MX7D .