linux-kernel - [PATCH 0/4] Initial support for CTCISZ Ninenine Pi

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Message-ID: <20250501044239.9404-2-ziyao@disroot.org>
Date: Thu,  1 May 2025 04:42:36 +0000
From: Yao Zi <ziyao@...root.org>
To: Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Huacai Chen <chenhuacai@...nel.org>,
	WANG Xuerui <kernel@...0n.name>,
	Yao Zi <ziyao@...root.org>,
	Neil Armstrong <neil.armstrong@...aro.org>,
	Heiko Stuebner <heiko@...ech.de>,
	Junhao Xie <bigfoot@...ssfun.cn>,
	Rafał Miłecki <rafal@...ecki.pl>,
	Aradhya Bhatia <a-bhatia1@...com>,
	Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
	Binbin Zhou <zhoubinbin@...ngson.cn>,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	loongarch@...ts.linux.dev,
	Mingcong Bai <jeffbai@...c.io>,
	Kexy Biscuit <kexybiscuit@...c.io>
Subject: [PATCH 0/4] Initial support for CTCISZ Ninenine Pi

This series adds support for CTCISZ Ninenine Pi, which ships an Loongson
2K0300 SoC and various peripherals. The vendor prefix and the board are
documented and basic SoC/board devicetrees are added.

I've successfully booted into console with vendor U-Boot, a bootlog
could be obtained here[1]. DTB and initramfs must be built into the
kernel as the vendor bootloader cannot pass them and upstream U-Boot
support for LoongArch is still WIP.

Thanks for your time and review.

[1]: https://gist.github.com/ziyao233/7fd2c8b3b51ef9b30fe5c17faae1bc4e

Yao Zi (4):
  dt-bindings: vendor-prefixes: Add CTCISZ Technology Co., LTD.
  dt-bindings: LoongArch: Add CTCISZ Ninenine Pi
  LoongArch: dts: Add initial SoC devicetree for Loongson 2K0300
  LoongArch: dts: Add initial devicetree for CTCISZ Ninenine Pi

 .../bindings/loongarch/loongson.yaml          |   5 +
 .../devicetree/bindings/vendor-prefixes.yaml  |   2 +
 arch/loongarch/boot/dts/Makefile              |   1 +
 arch/loongarch/boot/dts/loongson-2k0300.dtsi  | 197 ++++++++++++++++++
 .../boot/dts/ls2k0300-ctcisz-nineninepi.dts   |  41 ++++
 5 files changed, 246 insertions(+)
 create mode 100644 arch/loongarch/boot/dts/loongson-2k0300.dtsi
 create mode 100644 arch/loongarch/boot/dts/ls2k0300-ctcisz-nineninepi.dts

-- 
2.49.0