linux-kernel - [PATCH 5.9 088/252] ARM: dts: sunxi: bananapi-m2-plus: Enable RGMII RX/TX delay on Ethernet PHY

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Message-Id: <20201123121839.838342059@linuxfoundation.org>
Date:   Mon, 23 Nov 2020 13:20:38 +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, Chen-Yu Tsai <wens@...e.org>,
        Maxime Ripard <maxime@...no.tech>,
        Jernej Skrabec <jernej.skrabec@...l.net>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.9 088/252] ARM: dts: sunxi: bananapi-m2-plus: Enable RGMII RX/TX delay on Ethernet PHY

From: Chen-Yu Tsai <wens@...e.org>

[ Upstream commit 3914160ffc0bf762d6d605d4b27036b7b89367ea ]

The Ethernet PHY on the Bananapi M2+ has the RX and TX delays
enabled on the PHY, using pull-ups on the RXDLY and TXDLY pins.

Fix the phy-mode description to correct reflect this so that the
implementation doesn't reconfigure the delays incorrectly. This
happened with commit bbc4d71d6354 ("net: phy: realtek: fix rtl8211e
rx/tx delay config").

Fixes: 8c7ba536e709 ("ARM: sun8i: bananapi-m2-plus: Enable dwmac-sun8i")
Fixes: 4904337fe34f ("ARM: dts: sunxi: Restore EMAC changes (boards)")
Fixes: aa8fee415f46 ("ARM: dts: sun8i: h3: Split out non-SoC-specific parts of Bananapi M2 Plus")
Signed-off-by: Chen-Yu Tsai <wens@...e.org>
Signed-off-by: Maxime Ripard <maxime@...no.tech>
Tested-by: Jernej Skrabec <jernej.skrabec@...l.net>
Acked-by: Jernej Skrabec <jernej.skrabec@...l.net>
Link: https://lore.kernel.org/r/20201024162515.30032-8-wens@kernel.org
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 arch/arm/boot/dts/sunxi-bananapi-m2-plus.dtsi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/sunxi-bananapi-m2-plus.dtsi b/arch/arm/boot/dts/sunxi-bananapi-m2-plus.dtsi
index 39263e74fbb53..8e5cb3b3fd686 100644
--- a/arch/arm/boot/dts/sunxi-bananapi-m2-plus.dtsi
+++ b/arch/arm/boot/dts/sunxi-bananapi-m2-plus.dtsi
@@ -126,7 +126,7 @@
 	pinctrl-0 = <&emac_rgmii_pins>;
 	phy-supply = <&reg_gmac_3v3>;
 	phy-handle = <&ext_rgmii_phy>;
-	phy-mode = "rgmii";
+	phy-mode = "rgmii-id";
 
 	status = "okay";
 };
-- 
2.27.0