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Normally the reset for the devices inside the power domain is triggered automatically from the PGC in the power-up sequencing, however on i.MX8MM this doesn't work for the GPU power domains. Add support for triggering the reset explicitly during the power up sequencing. Tested-by: Frieder Schrempf <frieder.schrempf@kontron.de> Reviewed-by: Frieder Schrempf <frieder.schrempf@kontron.de> Signed-off-by: Lucas Stach <l.stach@pengutronix.de> Signed-off-by: Peng Fan <peng.fan@nxp.com> Signed-off-by: Shawn Guo <shawnguo@kernel.org>