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

Paul Kocialkowski
2025-06-26T08:12:39Z

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@sys-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