arm64: dts: renesas: Add initial support for the Renesas RZ/T2H eval board

Add the initial device tree for the RZ/T2H evaluation board.

Signed-off-by: Thierry Bultel <thierry.bultel.yh@bp.renesas.com>
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/20250617162810.154332-3-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

diff --git a/arch/arm64/boot/dts/renesas/Makefile b/arch/arm64/boot/dts/renesas/Makefile
index 6093d5f6e5489121c2149f46f2398a518c8f0131..89acad605c2d43e35ae260155b3a327dc4cbdb9f 100644 (file)
--- a/arch/arm64/boot/dts/renesas/Makefile
+++ b/arch/arm64/boot/dts/renesas/Makefile
@@ -180,5 +180,7 @@ r9a09g057h44-rzv2h-evk-cn15-sd-dtbs := r9a09g057h44-rzv2h-evk.dtb rzv2-evk-cn15-
 dtb-$(CONFIG_ARCH_R9A09G057) += r9a09g057h44-rzv2h-evk-cn15-sd.dtb
 dtb-$(CONFIG_ARCH_R9A09G057) += r9a09g057h48-kakip.dtb
 
+dtb-$(CONFIG_ARCH_R9A09G077) += r9a09g077m44-rzt2h-evk.dtb
+
 dtb-$(CONFIG_ARCH_RCAR_GEN3) += draak-ebisu-panel-aa104xd12.dtbo
 dtb-$(CONFIG_ARCH_RCAR_GEN3) += salvator-panel-aa104xd12.dtbo

diff --git a/arch/arm64/boot/dts/renesas/r9a09g077m44-rzt2h-evk.dts b/arch/arm64/boot/dts/renesas/r9a09g077m44-rzt2h-evk.dts
new file mode 100644 (file)
index 0000000..752d4c9
--- /dev/null
+++ b/arch/arm64/boot/dts/renesas/r9a09g077m44-rzt2h-evk.dts
@@ -0,0 +1,31 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+/*
+ * Device Tree Source for the RZ/T2H EVK board
+ *
+ * Copyright (C) 2025 Renesas Electronics Corp.
+ */
+
+/dts-v1/;
+
+#include "r9a09g077m44.dtsi"
+
+/ {
+       model = "Renesas RZ/T2H EVK Board based on r9a09g077m44";
+       compatible = "renesas,rzt2h-evk", "renesas,r9a09g077m44", "renesas,r9a09g077";
+
+       aliases {
+               serial0 = &sci0;
+       };
+
+       chosen {
+               stdout-path = "serial0:115200n8";
+       };
+};
+
+&extal_clk {
+       clock-frequency = <25000000>;
+};
+
+&sci0 {
+       status = "okay";
+};