linux-kernel - [PATCH v2 1/1] arm64: dts: allwinner: h616: update emac for Orange Pi Zero 3

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Date:   Sun, 29 Oct 2023 15:40:09 +0800
From:   Chukun Pan <amadeus@....edu.cn>
To:     Jernej Skrabec <jernej.skrabec@...il.com>
Cc:     Samuel Holland <samuel@...lland.org>,
        Andre Przywara <andre.przywara@....com>,
        Chen-Yu Tsai <wens@...e.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org,
        linux-sunxi@...ts.linux.dev, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        Chukun Pan <amadeus@....edu.cn>
Subject: [PATCH v2 1/1] arm64: dts: allwinner: h616: update emac for Orange Pi Zero 3

The current emac setting is not suitable for Orange Pi Zero 3,
move it back to Orange Pi Zero 2 DT. Also update phy mode and
delay values for emac on Orange Pi Zero 3.
With these changes, Ethernet now looks stable.

Fixes: 322bf103204b ("arm64: dts: allwinner: h616: Split Orange Pi Zero 2 DT")
Signed-off-by: Chukun Pan <amadeus@....edu.cn>
---
 arch/arm64/boot/dts/allwinner/sun50i-h616-orangepi-zero.dtsi | 3 ---
 arch/arm64/boot/dts/allwinner/sun50i-h616-orangepi-zero2.dts | 3 +++
 arch/arm64/boot/dts/allwinner/sun50i-h618-orangepi-zero3.dts | 2 ++
 3 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h616-orangepi-zero.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-h616-orangepi-zero.dtsi
index 15290e6892fc..fc7315b94406 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-h616-orangepi-zero.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-h616-orangepi-zero.dtsi
@@ -68,10 +68,7 @@ &ehci1 {
 &emac0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&ext_rgmii_pins>;
-	phy-mode = "rgmii";
 	phy-handle = <&ext_rgmii_phy>;
-	allwinner,rx-delay-ps = <3100>;
-	allwinner,tx-delay-ps = <700>;
 	status = "okay";
 };
 
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h616-orangepi-zero2.dts b/arch/arm64/boot/dts/allwinner/sun50i-h616-orangepi-zero2.dts
index d83852e72f06..b5d713926a34 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-h616-orangepi-zero2.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-h616-orangepi-zero2.dts
@@ -13,6 +13,9 @@ / {
 };
 
 &emac0 {
+	allwinner,rx-delay-ps = <3100>;
+	allwinner,tx-delay-ps = <700>;
+	phy-mode = "rgmii";
 	phy-supply = <&reg_dcdce>;
 };
 
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h618-orangepi-zero3.dts b/arch/arm64/boot/dts/allwinner/sun50i-h618-orangepi-zero3.dts
index 00fe28caac93..b3b1b8692125 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-h618-orangepi-zero3.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-h618-orangepi-zero3.dts
@@ -13,6 +13,8 @@ / {
 };
 
 &emac0 {
+	allwinner,tx-delay-ps = <700>;
+	phy-mode = "rgmii-rxid";
 	phy-supply = <&reg_dldo1>;
 };
 
-- 
2.25.1