linux-kernel - [PATCH] ARM: dts: imx7d-zii-rmu2: fix rgmii phy-mode for ksz9031 phy

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Message-Id: <20200817030401.3124855-1-cphealy@gmail.com>
Date:   Sun, 16 Aug 2020 20:04:01 -0700
From:   Chris Healy <cphealy@...il.com>
To:     robh+dt@...nel.org, shawnguo@...nel.org, s.hauer@...gutronix.de,
        kernel@...gutronix.de, festevam@...il.com, linux-imx@....com,
        linux@...pel-privat.de, davem@...emloft.net,
        philippe.schenker@...adex.com, andrew@...n.ch,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Cc:     Chris Healy <cphealy@...il.com>
Subject: [PATCH] ARM: dts: imx7d-zii-rmu2: fix rgmii phy-mode for ksz9031 phy

From: Chris Healy <cphealy@...il.com>

Since commit bcf3440c6dd7 ("net: phy: micrel: add phy-mode support for the
KSZ9031 PHY") the networking is broken on the imx7d-zii-rmu2 board.

Fix it by switching to phy-mode = "rgmii-id".

Fixes: bcf3440c6dd7 ("net: phy: micrel: add phy-mode support for the KSZ9031 PHY")
Signed-off-by: Chris Healy <cphealy@...il.com>
---
 arch/arm/boot/dts/imx7d-zii-rmu2.dts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/imx7d-zii-rmu2.dts b/arch/arm/boot/dts/imx7d-zii-rmu2.dts
index e5e20b07f184..7cb6153fc650 100644
--- a/arch/arm/boot/dts/imx7d-zii-rmu2.dts
+++ b/arch/arm/boot/dts/imx7d-zii-rmu2.dts
@@ -58,7 +58,7 @@ &fec1 {
 			  <&clks IMX7D_ENET1_TIME_ROOT_CLK>;
 	assigned-clock-parents = <&clks IMX7D_PLL_ENET_MAIN_100M_CLK>;
 	assigned-clock-rates = <0>, <100000000>;
-	phy-mode = "rgmii";
+	phy-mode = "rgmii-id";
 	phy-handle = <&fec1_phy>;
 	status = "okay";
 
-- 
2.26.2