[PATCH v2 3/3] arm64: dts: renesas: falcon: Add Ethernet sub-board

[Geert Uytterhoeven]

Add a DTS file for the Falcon Ethernet sub-board (RTP0RC779A0ETS0010S),
and include it from the main r8a779a0-falcon.dts.

For now its contents are limited to the Board ID EEPROM.

Signed-off-by: Geert Uytterhoeven <geert+renesas at glider.be>
---
v2:
  - New (eeprom node extracted from first patch).
---
 .../dts/renesas/r8a779a0-falcon-ethernet.dtsi     | 15 +++++++++++++++
 arch/arm64/boot/dts/renesas/r8a779a0-falcon.dts   |  1 +
 2 files changed, 16 insertions(+)
 create mode 100644 arch/arm64/boot/dts/renesas/r8a779a0-falcon-ethernet.dtsi

diff --git a/arch/arm64/boot/dts/renesas/r8a779a0-falcon-ethernet.dtsi b/arch/arm64/boot/dts/renesas/r8a779a0-falcon-ethernet.dtsi
new file mode 100644
index 0000000000000000..e11bf9ace7768d54
--- /dev/null
+++ b/arch/arm64/boot/dts/renesas/r8a779a0-falcon-ethernet.dtsi
@@ -0,0 +1,15 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Device Tree Source for the Falcon Ethernet sub-board
+ *
+ * Copyright (C) 2021 Glider bv
+ */
+
+&i2c0 {
+	eeprom at 53 {
+		compatible = "rohm,br24g01", "atmel,24c01";
+		label = "ethernet-sub-board-id";
+		reg = <0x53>;
+		pagesize = <8>;
+	};
+};
diff --git a/arch/arm64/boot/dts/renesas/r8a779a0-falcon.dts b/arch/arm64/boot/dts/renesas/r8a779a0-falcon.dts
index 59d21d88788be6e8..7bc964c36f331270 100644
--- a/arch/arm64/boot/dts/renesas/r8a779a0-falcon.dts
+++ b/arch/arm64/boot/dts/renesas/r8a779a0-falcon.dts
@@ -8,6 +8,7 @@
 /dts-v1/;
 #include "r8a779a0-falcon-cpu.dtsi"
 #include "r8a779a0-falcon-csi-dsi.dtsi"
+#include "r8a779a0-falcon-ethernet.dtsi"
 
 / {
 	model = "Renesas Falcon CPU and Breakout boards based on r8a779a0";
-- 
2.25.1