linux-kernel - [PATCH 2/5] arm64: dts: allwinner: a100: Add pin definitions for RGMII/RMII

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Message-ID: <20250626080923.632789-3-paulk@sys-base.io>
Date: Thu, 26 Jun 2025 10:09:20 +0200
From: Paul Kocialkowski <paulk@...-base.io>
To: netdev@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-sunxi@...ts.linux.dev,
	linux-kernel@...r.kernel.org,
	linux-gpio@...r.kernel.org
Cc: Andrew Lunn <andrew+netdev@...n.ch>,
	"David S . Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Chen-Yu Tsai <wens@...e.org>,
	Jernej Skrabec <jernej.skrabec@...il.com>,
	Samuel Holland <samuel@...lland.org>,
	Linus Walleij <linus.walleij@...aro.org>,
	Andre Przywara <andre.przywara@....com>,
	Paul Kocialkowski <paulk@...-base.io>
Subject: [PATCH 2/5] arm64: dts: allwinner: a100: Add pin definitions for RGMII/RMII

The Allwinner A100/A133 supports both RGMII and RMII for its Ethernet
MAC (EMAC) controller. Add corresponding pin definitions.

Signed-off-by: Paul Kocialkowski <paulk@...-base.io>
---
 arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi
index bd366389b238..1c4e71b32911 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi
@@ -236,6 +236,21 @@ mmc2_pins: mmc2-pins {
 				bias-pull-up;
 			};
 
+			rgmii_pins: rgmii-pins {
+				pins = "PH0", "PH1", "PH2", "PH3", "PH4",
+				       "PH5", "PH6", "PH7", "PH9", "PH10",
+				       "PH14", "PH15", "PH16", "PH17", "PH18";
+				function = "emac";
+				drive-strength = <40>;
+			};
+
+			rmii_pins: rmii-pins {
+				pins = "PH0", "PH1", "PH2", "PH3", "PH4",
+				       "PH5", "PH6", "PH7", "PH9", "PH10";
+				function = "emac";
+				drive-strength = <40>;
+			};
+
 			uart0_pb_pins: uart0-pb-pins {
 				pins = "PB9", "PB10";
 				function = "uart0";
-- 
2.49.0