arm64: dts: renesas: r8a78000: Add initial Ironhide board support

Add initial support for the Renesas Ironhide board, which is based on
the R-Car X5H (R8A78000) SoC.

Signed-off-by: Hai Pham <hai.pham.ud@renesas.com>
Signed-off-by: Vinh Nguyen <vinh.nguyen.xz@renesas.com>
Signed-off-by: Takeshi Kihara <takeshi.kihara.df@renesas.com>
Signed-off-by: Khanh Le <khanh.le.xr@renesas.com>
Signed-off-by: Huy Bui <huy.bui.wm@renesas.com>
Signed-off-by: Phong Hoang <phong.hoang.wz@renesas.com>
[Kuninori: tidyup for upstreaming]
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://patch.msgid.link/87ecrwa3fj.wl-kuninori.morimoto.gx@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 6fbd6cb480d8868d2d570721b8e6ad8620b0e621..1fab1b50f20e6712d107463efabd19a708aff156 100644 (file)
--- a/arch/arm64/boot/dts/renesas/Makefile
+++ b/arch/arm64/boot/dts/renesas/Makefile
@@ -145,6 +145,8 @@ dtb-$(CONFIG_ARCH_R8A77965) += r8a779m5-salvator-xs.dtb
 r8a779m5-salvator-xs-panel-aa104xd12-dtbs := r8a779m5-salvator-xs.dtb salvator-panel-aa104xd12.dtbo
 dtb-$(CONFIG_ARCH_R8A77965) += r8a779m5-salvator-xs-panel-aa104xd12.dtb
 
+dtb-$(CONFIG_ARCH_R8A78000) += r8a78000-ironhide.dtb
+
 dtb-$(CONFIG_ARCH_R9A07G043) += r9a07g043u11-smarc.dtb
 dtb-$(CONFIG_ARCH_R9A07G043) += r9a07g043u11-smarc-cru-csi-ov5645.dtbo
 dtb-$(CONFIG_ARCH_R9A07G043) += r9a07g043u11-smarc-du-adv7513.dtbo

diff --git a/arch/arm64/boot/dts/renesas/r8a78000-ironhide.dts b/arch/arm64/boot/dts/renesas/r8a78000-ironhide.dts
new file mode 100644 (file)
index 0000000..a721734
--- /dev/null
+++ b/arch/arm64/boot/dts/renesas/r8a78000-ironhide.dts
@@ -0,0 +1,85 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+/*
+ * Device Tree Source for the Ironhide board
+ *
+ * Copyright (C) 2025 Renesas Electronics Corp.
+ */
+
+/dts-v1/;
+#include "r8a78000.dtsi"
+
+/ {
+       model = "Renesas Ironhide board based on r8a78000";
+       compatible = "renesas,ironhide", "renesas,r8a78000";
+
+       aliases {
+               serial0 = &hscif0;
+       };
+
+       chosen {
+               stdout-path = "serial0:1843200n8";
+       };
+
+       memory@60600000 {
+               device_type = "memory";
+               /* first 518MiB is reserved for other purposes. */
+               reg = <0x0 0x60600000 0x0 0x5fa00000>;
+       };
+
+       memory@1080000000 {
+               device_type = "memory";
+               reg = <0x10 0x80000000 0x0 0x80000000>;
+       };
+
+       memory@1200000000 {
+               device_type = "memory";
+               reg = <0x12 0x00000000 0x1 0x00000000>;
+       };
+
+       memory@1400000000 {
+               device_type = "memory";
+               reg = <0x14 0x00000000 0x1 0x00000000>;
+       };
+
+       memory@1600000000 {
+               device_type = "memory";
+               reg = <0x16 0x00000000 0x1 0x00000000>;
+       };
+
+       memory@1800000000 {
+               device_type = "memory";
+               reg = <0x18 0x00000000 0x1 0x00000000>;
+       };
+
+       memory@1a00000000 {
+               device_type = "memory";
+               reg = <0x1a 0x00000000 0x1 0x00000000>;
+       };
+
+       memory@1c00000000 {
+               device_type = "memory";
+               reg = <0x1c 0x00000000 0x1 0x00000000>;
+       };
+
+       memory@1e00000000 {
+               device_type = "memory";
+               reg = <0x1e 0x00000000 0x1 0x00000000>;
+       };
+};
+
+&extal_clk {
+       clock-frequency = <16666600>;
+};
+
+&extalr_clk {
+       clock-frequency = <32768>;
+};
+
+&hscif0 {
+       uart-has-rtscts;
+       status = "okay";
+};
+
+&scif_clk {
+       clock-frequency = <26000000>;
+};