[U-Boot] [PATCH v4 07/13] dm: clk: Define clk_get_parent() for clk

[sbabic at denx.de]

> This commit adds the clk_get_parent() function, which is responsible
> for getting the parent's struct clock pointer.
> U-boot's DM support for getting parent is different (the parent
> relationship is in udevice) than the one in common clock framework (CCF)
> in Linux. To obtain the pointer to struct clk of parent the
> pdev->driver_data field is read.
> Signed-off-by: Lukasz Majewski <lukma at denx.de>
> Reviewed-by: Peng Fan <peng.fan at nxp.com>
> Reviewed-by: Peng Fan <peng.fan at nxp.com>
> Reviewed-by: Stefano Babic <sbabic at denx.de>

Applied to u-boot-imx, master, thanks !

Best regards,
Stefano Babic

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