linux-kernel - [PATCH 5.9 075/252] arm64: dts: allwinner: beelink-gs1: Enable both RGMII RX/TX delay

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Message-Id: <20201123121839.214493666@linuxfoundation.org>
Date:   Mon, 23 Nov 2020 13:20:25 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Clément Péron <peron.clem@...il.com>,
        Maxime Ripard <maxime@...no.tech>,
        Chen-Yu Tsai <wens@...e.org>, Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.9 075/252] arm64: dts: allwinner: beelink-gs1: Enable both RGMII RX/TX delay

From: Clément Péron <peron.clem@...il.com>

[ Upstream commit 97a38c1c213b162aa577299de698f39c18ba696b ]

Before the commit bbc4d71d6354 ("net: phy: realtek: fix rtl8211e rx/tx
delay config"), the software overwrite for RX/TX delays of the RTL8211e
were not working properly and the Beelink GS1 had both RX/TX delay of RGMII
interface set using pull-up on the TXDLY and RXDLY pins.

Now that these delays are working properly they overwrite the HW
config and set this to 'rgmii' meaning no delay on both RX/TX.
This makes the ethernet of this board not working anymore.

Set the phy-mode to 'rgmii-id' meaning RGMII with RX/TX delays
in the device-tree to keep the correct configuration.

Fixes: 089bee8dd119 ("arm64: dts: allwinner: h6: Introduce Beelink GS1 board")
Signed-off-by: Clément Péron <peron.clem@...il.com>
Signed-off-by: Maxime Ripard <maxime@...no.tech>
Acked-by: Chen-Yu Tsai <wens@...e.org>
Link: https://lore.kernel.org/r/20201018172409.1754775-1-peron.clem@gmail.com
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 arch/arm64/boot/dts/allwinner/sun50i-h6-beelink-gs1.dts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h6-beelink-gs1.dts b/arch/arm64/boot/dts/allwinner/sun50i-h6-beelink-gs1.dts
index 3f7ceeb1a767a..7c9dbde645b52 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-h6-beelink-gs1.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-h6-beelink-gs1.dts
@@ -97,7 +97,7 @@
 &emac {
 	pinctrl-names = "default";
 	pinctrl-0 = <&ext_rgmii_pins>;
-	phy-mode = "rgmii";
+	phy-mode = "rgmii-id";
 	phy-handle = <&ext_rgmii_phy>;
 	phy-supply = <&reg_aldo2>;
 	status = "okay";
-- 
2.27.0