Add a DTS file for the Spider Ether TSN sub-board (RTP8A779F0ASKB0ST0S),
and include it from the main r8a779f0-spider.dts.
For now its contents are limited to the Board ID EEPROM.
Extracted from a larger patch in the BSP by LUU HOAI.
Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
---
.../dts/renesas/r8a779f0-spider-ethernet.dtsi | 15 +++++++++++++++
arch/arm64/boot/dts/renesas/r8a779f0-spider.dts | 1 +
2 files changed, 16 insertions(+)
create mode 100644 arch/arm64/boot/dts/renesas/r8a779f0-spider-ethernet.dtsi
diff --git a/arch/arm64/boot/dts/renesas/r8a779f0-spider-ethernet.dtsi b/arch/arm64/boot/dts/renesas/r8a779f0-spider-ethernet.dtsi
new file mode 100644
index 0000000000000000..15e8d1ebf575f09a
--- /dev/null
+++ b/arch/arm64/boot/dts/renesas/r8a779f0-spider-ethernet.dtsi
@@ -0,0 +1,15 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Device Tree Source for the Spider Ethernet sub-board
+ *
+ * Copyright (C) 2021 Renesas Electronics Corp.
+ */
+
+&i2c4 {
+ eeprom@52 {
+ compatible = "rohm,br24g01", "atmel,24c01";
+ label = "ethernet-sub-board";
+ reg = <0x52>;
+ pagesize = <8>;
+ };
+};
diff --git a/arch/arm64/boot/dts/renesas/r8a779f0-spider.dts b/arch/arm64/boot/dts/renesas/r8a779f0-spider.dts
index 78c4730538fdc9d3..2e3b719cc749492d 100644
--- a/arch/arm64/boot/dts/renesas/r8a779f0-spider.dts
+++ b/arch/arm64/boot/dts/renesas/r8a779f0-spider.dts
@@ -7,6 +7,7 @@
/dts-v1/;
#include "r8a779f0-spider-cpu.dtsi"
+#include "r8a779f0-spider-ethernet.dtsi"
/ {
model = "Renesas Spider CPU and Breakout boards based on r8a779f0";
--
2.25.1
