From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jernej Skrabec Subject: [PATCH] arm64: dts: allwinner: a64: pine64-plus: Add PHY regulator delay Date: Sun, 25 Aug 2019 15:03:36 +0200 Message-ID: <20190825130336.14154-1-jernej.skrabec@siol.net> Reply-To: jernej.skrabec-gGgVlfcn5nU@public.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Return-path: Sender: linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org List-Post: , List-Help: , List-Archive: , List-Unsubscribe: , To: mripard-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, wens-jdAy2FN1RRM@public.gmane.org Cc: robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, mark.rutland-5wv7dgnIgG8@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org, Ondrej Jirman List-Id: devicetree@vger.kernel.org Depending on kernel and bootloader configuration, it's possible that Realtek ethernet PHY isn't powered on properly. It needs some time before it can be used. Fix that by adding 100ms ramp delay to regulator responsible for powering PHY. Fixes: 94dcfdc77fc5 ("arm64: allwinner: pine64-plus: Enable dwmac-sun8i") Suggested-by: Ondrej Jirman Signed-off-by: Jernej Skrabec --- arch/arm64/boot/dts/allwinner/sun50i-a64-pine64-plus.dts | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64-plus.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64-plus.dts index 24f1aac366d6..9612a34c1762 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64-plus.dts +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64-plus.dts @@ -63,3 +63,7 @@ reg = <1>; }; }; + +®_dc1sw { + regulator-enable-ramp-delay = <100000>; +}; -- 2.23.0