From 798a1807ab13a38e21c6fecd8d22a513d6786e2d Mon Sep 17 00:00:00 2001 From: Fabio Estevam Date: Thu, 18 Mar 2021 08:13:30 -0300 Subject: arm64: dts: imx8mp-evk: Improve the Ethernet PHY description 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 Signed-off-by: Fabio Estevam Tested-by: Joakim Zhang Signed-off-by: Shawn Guo --- arch/arm64/boot/dts/freescale/imx8mp-evk.dts | 2 ++ 1 file changed, 2 insertions(+) (limited to 'arch/arm64/boot/dts/freescale') diff --git a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts index 7db4273cc88b..2c28e589677e 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts +++ b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts @@ -98,6 +98,8 @@ reg = <1>; eee-broken-1000t; reset-gpios = <&gpio4 2 GPIO_ACTIVE_LOW>; + reset-assert-us = <10000>; + reset-deassert-us = <80000>; }; }; }; -- cgit