linux-kernel - [PATCH NFU RFC 19/19] riscv: dts: build qemu dtb for CONFIG_ARCH

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Message-Id: <20260119-ssqosid-cbqri-v1-19-aa2a75153832@kernel.org>
Date: Mon, 19 Jan 2026 20:14:56 -0800
From: Drew Fustini <fustini@...nel.org>
To: Paul Walmsley <pjw@...nel.org>, Palmer Dabbelt <palmer@...belt.com>, 
 Albert Ou <aou@...s.berkeley.edu>, Alexandre Ghiti <alex@...ti.fr>, 
 Radim Krčmář <rkrcmar@...tanamicro.com>, 
 Samuel Holland <samuel.holland@...ive.com>, 
 Adrien Ricciardi <aricciardi@...libre.com>, 
 Nicolas Pitre <npitre@...libre.com>, 
 Kornel Dulęba <mindal@...ihalf.com>, 
 Atish Patra <atish.patra@...ux.dev>, 
 Atish Kumar Patra <atishp@...osinc.com>, 
 Vasudevan Srinivasan <vasu@...osinc.com>, Ved Shanbhogue <ved@...osinc.com>, 
 yunhui cui <cuiyunhui@...edance.com>, Chen Pei <cp0613@...ux.alibaba.com>, 
 Liu Zhiwei <zhiwei_liu@...ux.alibaba.com>, Weiwei Li <liwei1518@...il.com>, 
 guo.wenjia23@....com.cn, liu.qingtao2@....com.cn, 
 Conor Dooley <conor+dt@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Rob Herring <robh+dt@...nel.org>, 
 Reinette Chatre <reinette.chatre@...el.com>, 
 Tony Luck <tony.luck@...el.com>, Babu Moger <babu.moger@....com>, 
 Peter Newman <peternewman@...gle.com>, Fenghua Yu <fenghua.yu@...el.com>, 
 James Morse <james.morse@....com>, Ben Horgan <ben.horgan@....com>, 
 Dave Martin <Dave.Martin@....com>, Drew Fustini <fustini@...nel.org>, 
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
 linux-riscv@...ts.infradead.org, x86@...nel.org
Subject: [PATCH NFU RFC 19/19] riscv: dts: build qemu dtb for
 CONFIG_ARCH_VIRT

[NOT FOR UPSTREAM]

Build DTB based on Qemu generated DTS when CONFIG_ARCH_VIRT is enabled.
The resulting dtb will be consumed by qemu-system-riscv64.

Co-developed-by: Adrien Ricciardi <aricciardi@...libre.com>
Signed-off-by: Adrien Ricciardi <aricciardi@...libre.com>
Signed-off-by: Drew Fustini <fustini@...nel.org>
---
 arch/riscv/boot/dts/Makefile      | 1 +
 arch/riscv/boot/dts/qemu/Makefile | 3 +++
 2 files changed, 4 insertions(+)

diff --git a/arch/riscv/boot/dts/Makefile b/arch/riscv/boot/dts/Makefile
index 69d8751fb17c..edd25cf000cc 100644
--- a/arch/riscv/boot/dts/Makefile
+++ b/arch/riscv/boot/dts/Makefile
@@ -5,6 +5,7 @@ subdir-y += anlogic
 subdir-y += canaan
 subdir-y += eswin
 subdir-y += microchip
+subdir-y += qemu
 subdir-y += renesas
 subdir-y += sifive
 subdir-y += sophgo
diff --git a/arch/riscv/boot/dts/qemu/Makefile b/arch/riscv/boot/dts/qemu/Makefile
new file mode 100644
index 000000000000..a6b06ef1a75a
--- /dev/null
+++ b/arch/riscv/boot/dts/qemu/Makefile
@@ -0,0 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0
+dtb-$(CONFIG_ARCH_VIRT) += qemu-virt-cbqri.dtb
+obj-$(CONFIG_BUILTIN_DTB) += $(addsuffix .o, $(dtb-y))

-- 
2.43.0