Re: [PATCH 2/5] arm64: dts: allwinner: a100: Add pin definitions for RGMII/RMII
From: Andre Przywara <andre.przywara@arm.com>
Date: 2025-07-04 22:46:58
Also in:
linux-arm-kernel, linux-devicetree, linux-gpio, linux-sunxi, lkml
On Thu, 26 Jun 2025 10:09:20 +0200 Paul Kocialkowski [off-list ref] wrote: Hi,
The Allwinner A100/A133 supports both RGMII and RMII for its Ethernet MAC (EMAC) controller. Add corresponding pin definitions.
Apart from suffixing everything with "0" ("rgmii0_pins: rgmii0-pins"),
this matches exactly what I gathered from manual and tested in my own
version of this patch a few weeks ago, so with the 0 suffix attached:
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Cheers,
Andre
quoted hunk ↗ jump to hunk
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";