[PATCH v4 04/10] imx: power-domain: Get rid of SMCCC dependency

[sbabic at denx.de]

> This driver is the only SMCCC dependency in iMX8M U-Boot port. Rework
> the driver based on Linux GPCv2 driver to directly control the GPCv2
> block instead of using SMCCC calls. This way, U-Boot can operate the
> i.MX8M power domains without depending on anything else.
> This is losely based on Linux GPCv2 driver. The GPU, VPU, MIPI power
> domains are not supported to save space, since they are not useful in
> the bootloader. The only domains kept are ones for HSIO, PCIe, USB.
> Tested-By: Tim Harvey <tharvey at gateworks.com> #imx8mp-venice-defconfig
> Signed-off-by: Marek Vasut <marex at denx.de>
> Cc: Fabio Estevam <festevam at gmail.com>
> Cc: Peng Fan <peng.fan at nxp.com>
> Cc: Stefano Babic <sbabic at denx.de>
Applied to u-boot-imx, master, thanks !

Best regards,
Stefano Babic

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