linux-kernel - [PATCH 1/2] arm64: dts: freescale: imx93-phycore-som: Move ethernet0 alias to SoM

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Message-Id: <20250522083909.533567-1-primoz.fiser@norik.com>
Date: Thu, 22 May 2025 10:39:08 +0200
From: Primoz Fiser <primoz.fiser@...ik.com>
To: Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>
Cc: devicetree@...r.kernel.org,
	imx@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	upstream@...ts.phytec.de
Subject: [PATCH 1/2] arm64: dts: freescale: imx93-phycore-som: Move ethernet0 alias to SoM

Move alias for ethernet0 interface to the phyCORE-i.MX93 SoM include
file. The reason behind it is that the physical location of the PHY chip
connected to FEC interface is on the SoM itself and alias thus belongs
into the SoM device-tree. Consequently, it can be used by all boards
based on the phyCORE-i.MX93 SoM (phyBOARD-Segin and phyBOARD-Nash).

This also enables us to mark FEC interface as the primary / first for
networking in the bootloader and systemd (predictable interface names).

Signed-off-by: Primoz Fiser <primoz.fiser@...ik.com>
---
 arch/arm64/boot/dts/freescale/imx93-phyboard-nash.dts | 1 -
 arch/arm64/boot/dts/freescale/imx93-phycore-som.dtsi  | 4 ++++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/freescale/imx93-phyboard-nash.dts b/arch/arm64/boot/dts/freescale/imx93-phyboard-nash.dts
index 7e9d031a2f0e..e1c9aa77c000 100644
--- a/arch/arm64/boot/dts/freescale/imx93-phyboard-nash.dts
+++ b/arch/arm64/boot/dts/freescale/imx93-phyboard-nash.dts
@@ -18,7 +18,6 @@ / {
 		     "fsl,imx93";
 
 	aliases {
-		ethernet0 = &fec;
 		ethernet1 = &eqos;
 		rtc0 = &i2c_rtc;
 		rtc1 = &bbnsm_rtc;
diff --git a/arch/arm64/boot/dts/freescale/imx93-phycore-som.dtsi b/arch/arm64/boot/dts/freescale/imx93-phycore-som.dtsi
index 22dbcc89e311..0ea61841e591 100644
--- a/arch/arm64/boot/dts/freescale/imx93-phycore-som.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx93-phycore-som.dtsi
@@ -16,6 +16,10 @@ /{
 	model = "PHYTEC phyCORE-i.MX93";
 	compatible = "phytec,imx93-phycore-som", "fsl,imx93";
 
+	aliases {
+		ethernet0 = &fec;
+	};
+
 	reserved-memory {
 		ranges;
 		#address-cells = <2>;
-- 
2.34.1