arm64: dts: imx8mp-evk: Improve the Ethernet PHY description
commit 798a1807 upstream. According to the datasheet RTL8211, it must be asserted low for at least 10ms and at least 72ms "for internal circuits settling time" before accessing the PHY registers. Add properties to describe such requirements. Reported-by: Joakim Zhang <qiangqing.zhang@nxp.com> Signed-off-by: Fabio Estevam <festevam@gmail.com> Tested-by: Joakim Zhang <qiangqing.zhang@nxp.com> Signed-off-by: Shawn Guo <shawnguo@kernel.org> Cc: Rasmus Villemoes <rasmus.villemoes@prevas.dk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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