From df347526e6d2ef58fb3fa533759dcda844e249ce Mon Sep 17 00:00:00 2001
From: ZhengRong Ruan <ryan.ruan@rock-chips.com>
Date: Thu, 28 Aug 2025 15:55:22 +0800
Subject: [PATCH] arm64: dts: rockchip: add
 rv1126b-evb2-v12-fastboot-spi-nand.dts

Signed-off-by: ZhengRong Ruan <ryan.ruan@rock-chips.com>
Change-Id: I6434268022e5e65234d25cfdc0daf31776786a00
---
 arch/arm64/boot/dts/rockchip/Makefile         |  1 +
 .../rv1126b-evb2-v12-fastboot-spi-nand.dts    | 24 +++++++++++++++++++
 2 files changed, 25 insertions(+)
 create mode 100644 arch/arm64/boot/dts/rockchip/rv1126b-evb2-v12-fastboot-spi-nand.dts

diff --git a/arch/arm64/boot/dts/rockchip/Makefile b/arch/arm64/boot/dts/rockchip/Makefile
index a2129674aedc..c96078654665 100644
--- a/arch/arm64/boot/dts/rockchip/Makefile
+++ b/arch/arm64/boot/dts/rockchip/Makefile
@@ -403,6 +403,7 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += rv1126b-evb2-v10-rgb-Q7050ITH2641AA1T.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rv1126b-evb2-v10-sii9022-bt1120-to-hdmi.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rv1126b-evb2-v12.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rv1126b-evb2-v12-fastboot-emmc.dtb
+dtb-$(CONFIG_ARCH_ROCKCHIP) += rv1126b-evb2-v12-fastboot-spi-nand.dtb
 dtb-$(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-v12-fastboot-spi-nand.dts b/arch/arm64/boot/dts/rockchip/rv1126b-evb2-v12-fastboot-spi-nand.dts
new file mode 100644
index 000000000000..d5ac2eec46fc
--- /dev/null
+++ b/arch/arm64/boot/dts/rockchip/rv1126b-evb2-v12-fastboot-spi-nand.dts
@@ -0,0 +1,24 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2025 Rockchip Electronics Co., Ltd.
+ */
+
+#include "rv1126b-evb2-v12.dts"
+#include "rv1126b-fastboot-spi-nand.dtsi"
+
+/ {
+	model = "Rockchip RV1126B EVB2 V12 Arm64 Board";
+	compatible = "rockchip,rv1126b-evb2-v12-fastboot-spi-nand", "rockchip,rv1126b";
+
+	chosen {
+		bootargs = "loglevel=0 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)>;
+};