From: Biju Das <biju.das.jz@bp.renesas.com>

Add initial support for the RZ/G3L SMARC SoM with 2GB memory and
extal clk.

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
---
 .../boot/dts/renesas/rzg3l-smarc-som.dtsi     | 22 +++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 arch/arm64/boot/dts/renesas/rzg3l-smarc-som.dtsi

diff --git a/arch/arm64/boot/dts/renesas/rzg3l-smarc-som.dtsi b/arch/arm64/boot/dts/renesas/rzg3l-smarc-som.dtsi
new file mode 100644
index 000000000000..7a3a2d4ab037
--- /dev/null
+++ b/arch/arm64/boot/dts/renesas/rzg3l-smarc-som.dtsi
@@ -0,0 +1,22 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+/*
+ * Device Tree Source for R9A08G046L48 SMARC SoM board.
+ *
+ * Copyright (C) 2026 Renesas Electronics Corp.
+ */
+
+#include <dt-bindings/gpio/gpio.h>
+
+/ {
+	compatible = "renesas,rzg3l-smarcm", "renesas,r9a08g046l48", "renesas,r9a08g046";
+
+	memory@48000000 {
+		device_type = "memory";
+		/* First 128MB is reserved for secure area. */
+		reg = <0x0 0x48000000 0x0 0x78000000>;
+	};
+};
+
+&extal_clk {
+	clock-frequency = <24000000>;
+};
-- 
2.43.0