From: Fabio Estevam Date: Thu, 18 Mar 2021 11:13:30 +0000 (-0300) Subject: arm64: dts: imx8mp-evk: Improve the Ethernet PHY description X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=3516bc149223a4d48b0cf0beb6a15fcb147b51a1;p=linux-block.git arm64: dts: imx8mp-evk: Improve the Ethernet PHY description commit 798a1807ab13a38e21c6fecd8d22a513d6786e2d 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 Signed-off-by: Fabio Estevam Tested-by: Joakim Zhang Signed-off-by: Shawn Guo Cc: Rasmus Villemoes Signed-off-by: Greg Kroah-Hartman --- diff --git a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts index ad66f1286d95..c13b4a02d12f 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts +++ b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts @@ -62,6 +62,8 @@ reg = <1>; eee-broken-1000t; reset-gpios = <&gpio4 2 GPIO_ACTIVE_LOW>; + reset-assert-us = <10000>; + reset-deassert-us = <80000>; }; }; };