From 84dd084b650ec60756b68fa95e81416de5750eeb Mon Sep 17 00:00:00 2001
From: Weiwen Chen <cww@rock-chips.com>
Date: Thu, 5 Jun 2025 18:25:57 +0800
Subject: [PATCH] arm64: dts: rockchip: Add rv1126-evb2-tb-400w board support

Signed-off-by: Weiwen Chen <cww@rock-chips.com>
Change-Id: I9f7dbfc5e746df75f348f3934afe055eb689a6ab
---
 arch/arm64/boot/dts/rockchip/Makefile         |  1 +
 .../dts/rockchip/rv1126b-evb2-v10-tb-400w.dts | 24 +++++++++++++++++++
 2 files changed, 25 insertions(+)
 create mode 100644 arch/arm64/boot/dts/rockchip/rv1126b-evb2-v10-tb-400w.dts

diff --git a/arch/arm64/boot/dts/rockchip/Makefile b/arch/arm64/boot/dts/rockchip/Makefile
index 70225f281b57..5ed285982979 100644
--- a/arch/arm64/boot/dts/rockchip/Makefile
+++ b/arch/arm64/boot/dts/rockchip/Makefile
@@ -381,6 +381,7 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += rv1126b-evb2-v10.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rv1126b-evb2-v10-mcu-k350c4516t.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rv1126b-evb2-v10-rgb-Q7050ITH2641AA1T.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rv1126b-evb2-v10-sii9022-bt1120-to-hdmi.dtb
+dtb-$(CONFIG_ARCH_ROCKCHIP) += rv1126b-evb2-v10-tb-400w.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rv1126b-evb3-v10.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rv1126b-evb4-v10.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rv1126b-iotest-v10.dtb
diff --git a/arch/arm64/boot/dts/rockchip/rv1126b-evb2-v10-tb-400w.dts b/arch/arm64/boot/dts/rockchip/rv1126b-evb2-v10-tb-400w.dts
new file mode 100644
index 000000000000..de9f0fecf79f
--- /dev/null
+++ b/arch/arm64/boot/dts/rockchip/rv1126b-evb2-v10-tb-400w.dts
@@ -0,0 +1,24 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2025 Rockchip Electronics Co., Ltd.
+ */
+
+#include "rv1126b-evb2-v10.dts"
+#include "rv1126b-thunder-boot-spi-nor.dtsi"
+
+/ {
+	model = "Rockchip RV1126B EVB2 V10 ARM64 TB 400W Board";
+	compatible = "rockchip,rv1126b-evb2-v10-tb-400w", "rockchip,rv1126b";
+
+	chosen {
+		bootargs = "loglevel=0 initcall_nr_threads=-1 initcall_debug=0 earlycon=uart8250,mmio32,0x20810000 console=ttyFIQ0 root=/dev/rd0 rootfstype=erofs rootflags=dax snd_soc_core.prealloc_buffer_size_kbytes=16 coherent_pool=32K";
+	};
+};
+
+&ramdisk_r {
+	reg = <0x48c40000 (40 * 0x00100000)>;
+};
+
+&ramdisk_c {
+	reg = <0x4b440000 (20 * 0x00100000)>;
+};