linux-kernel - [PATCH v2] ARM: dts: sun7i: a20: bananapro: Fix ethernet node

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Message-ID: <20210121170836.GA4948@lemon.iwr.uni-heidelberg.de>
Date:   Thu, 21 Jan 2021 18:08:36 +0100
From:   Hermann Lauer <Hermann.Lauer@....uni-heidelberg.de>
To:     linux-arm-kernel@...ts.infradead.org
Cc:     mripard@...nel.org, wens@...e.org, jernej.skrabec@...l.net,
        robh+dt@...nel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v2] ARM: dts: sun7i: a20: bananapro: Fix ethernet node

BPi Pro needs TX and RX delay for Gbit to work reliable and avoid high
packet loss rates. The realtek phy driver overrides the settings of the
pull ups for the delays, so fix this for Banana Pro.

Signed-off-by: Hermann Lauer <Hermann.Lauer@...-heidelberg.de>
---
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/sun7i-a20-bananapro.dts b/arch/arm/boot/dts/sun7i-a20-bananapro.dts
--- a/arch/arm/boot/dts/sun7i-a20-bananapro.dts
+++ b/arch/arm/boot/dts/sun7i-a20-bananapro.dts
@@ -110,7 +110,7 @@
 	pinctrl-names = "default";
 	pinctrl-0 = <&gmac_rgmii_pins>;
 	phy-handle = <&phy1>;
-	phy-mode = "rgmii";
+	phy-mode = "rgmii-id";
 	phy-supply = <&reg_gmac_3v3>;
 	status = "okay";
 };