linux-kernel - [PATCH 2/4] Revert "arm64: dts: renesas: Add compatible properties to AR8031 Ethernet PHYs"

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Date:   Wed,  4 Jan 2023 08:12:43 -0600
From:   Adam Ford <aford173@...il.com>
To:     linux-renesas-soc@...r.kernel.org
Cc:     aford@...conembedded.com, Adam Ford <aford173@...il.com>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Magnus Damm <magnus.damm@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 2/4] Revert "arm64: dts: renesas: Add compatible properties to AR8031 Ethernet PHYs"

This reverts commit 18a2427146bf8a3da8fc7825051d6aadb9c2d8fb.

Due to the part shortage, the AR8031 PHY was replaced with a
Micrel KSZ9131.  Hard-coding the ID of the PHY makes this new
PHY non-operational.  Since previous hardware had shipped,
it's not as simple as just replacing the ID number as it would
break the older hardware.  Since the generic mode can correctly
identify both versions of hardware, it seems safer to revert
this patch.

Signed-off-by: Adam Ford <aford173@...il.com>

diff --git a/arch/arm64/boot/dts/renesas/beacon-renesom-som.dtsi b/arch/arm64/boot/dts/renesas/beacon-renesom-som.dtsi
index d3fc8ffd5b4c..1eb713530878 100644
--- a/arch/arm64/boot/dts/renesas/beacon-renesom-som.dtsi
+++ b/arch/arm64/boot/dts/renesas/beacon-renesom-som.dtsi
@@ -59,8 +59,6 @@ &avb {
 	status = "okay";
 
 	phy0: ethernet-phy@0 {
-		compatible = "ethernet-phy-id004d.d074",
-			     "ethernet-phy-ieee802.3-c22";
 		reg = <0>;
 		interrupt-parent = <&gpio2>;
 		interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
-- 
2.34.1