[PATCH V2 2/6] imx8: power: Add PD device lookup interface to power domain uclass

[sbabic at denx.de]

> Add power_domain_lookup_name interface to power domain uclass to find
> a power domain device by its DTB node name, not using its associated
> client device.
> Through this interface, we can operate the power domain devices directly.
> This is needed for non-DM drivers.
> Modified from Ye's NXP downstream patch
> only for legacy imx8 power domain driver, since we have not migrated
> to use new power domain driver.
> Signed-off-by: Ye Li <ye.li at nxp.com>
> Signed-off-by: Peng Fan <peng.fan at nxp.com>
Applied to u-boot-imx, master, thanks !

Best regards,
Stefano Babic

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