Commit 24f80513 authored by Fugang Duan's avatar Fugang Duan Committed by Nitin Garg
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MLK-10395 ARM: imx: add uart clk parent to OSC support for i.MX7D 



when kernel command line has "uart_from_osc" defined, set uart1
parent clock to OSC for low power case.

The patch also abstract the kernel parameter for IMX common to
reduce the redundant code. But for i.MX6SL patform, the origin
kernel parameter is uart_at_4M, now is changed to uart_from_osc.

Signed-off-by: default avatarFugang Duan <B38611@freescale.com>
parent c6d22b5e
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