[PATCH] arm64: allwinner: a64: add device tree for SoPine with clusterboard

[renze at rnplus.nl]

The Pine64 clusterboard needs a to have the tx delay changed to
500ps for ethernet to work. This solution was described by multiple
people on the Pine64 forum years ago and nobody has submitted it.

Add a device tree for SoPine with the clusterboard.

Signed-off-by: Renze Nicolai <renze at rnplus.nl>
---
  arch/arm64/boot/dts/allwinner/Makefile                 |  1 +
  .../dts/allwinner/sun50i-a64-sopine-clusterboard.dts   | 10 ++++++++++
  2 files changed, 11 insertions(+)
  create mode 100644 
arch/arm64/boot/dts/allwinner/sun50i-a64-sopine-clusterboard.dts

diff --git a/arch/arm64/boot/dts/allwinner/Makefile 
b/arch/arm64/boot/dts/allwinner/Makefile
index 6a96494a2e0a..15b011d1aaea 100644
--- a/arch/arm64/boot/dts/allwinner/Makefile
+++ b/arch/arm64/boot/dts/allwinner/Makefile
@@ -15,6 +15,7 @@ dtb-$(CONFIG_ARCH_SUNXI) += 
sun50i-a64-pinephone-1.2.dtb
  dtb-$(CONFIG_ARCH_SUNXI) += sun50i-a64-pinetab.dtb
  dtb-$(CONFIG_ARCH_SUNXI) += sun50i-a64-pinetab-early-adopter.dtb
  dtb-$(CONFIG_ARCH_SUNXI) += sun50i-a64-sopine-baseboard.dtb
+dtb-$(CONFIG_ARCH_SUNXI) += sun50i-a64-sopine-clusterboard.dtb
  dtb-$(CONFIG_ARCH_SUNXI) += sun50i-a64-teres-i.dtb
  dtb-$(CONFIG_ARCH_SUNXI) += sun50i-a100-allwinner-perf1.dtb
  dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h5-bananapi-m2-plus.dtb
diff --git 
a/arch/arm64/boot/dts/allwinner/sun50i-a64-sopine-clusterboard.dts 
b/arch/arm64/boot/dts/allwinner/sun50i-a64-sopine-clusterboard.dts
new file mode 100644
index 000000000000..6f8020a22670
--- /dev/null
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-sopine-clusterboard.dts
@@ -0,0 +1,10 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+// Copyright (c) 2022 Renze Nicolai <renze at rnplus.nl>
+
+/dts-v1/;
+
+#include "sun50i-a64-sopine-baseboard.dts"
+
+&emac {
+       allwinner,tx-delay-ps = <500>;
+};
-- 
2.38.1