linux-kernel - [PATCH 0/2] riscv: dts: spacemit: Add initial support for OrangePi RV2

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Message-ID: <20250711183245.256683-1-hendrik.hamerlinck@hammernet.be>
Date: Fri, 11 Jul 2025 20:32:43 +0200
From: Hendrik Hamerlinck <hendrik.hamerlinck@...mernet.be>
To: robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org,
	paul.walmsley@...ive.com,
	aou@...s.berkeley.edu,
	alex@...ti.fr,
	dlan@...too.org,
	palmer@...belt.com
Cc: skhan@...uxfoundation.org,
	linux-kernel-mentees@...ts.linux.dev,
	devicetree@...r.kernel.org,
	linux-riscv@...ts.infradead.org,
	spacemit@...ts.linux.dev,
	linux-kernel@...r.kernel.org,
	Hendrik Hamerlinck <hendrik.hamerlinck@...mernet.be>
Subject: [PATCH 0/2] riscv: dts: spacemit: Add initial support for OrangePi RV2

This patchset adds initial device tree support for the OrangePi RV2 board.

The OrangePi RV2 [1] is marketed as using the Ky X1 SoC.
However, after research and testing, it is in fact identical to the 
SpacemiT K1 [2]. My proof:

- Similar integration in the Banana Pi kernel tree [3], which uses the 
  OrangePi RV2 and identifies it as the SpacemiT K1.
- Comparison of the device tree code showing a match to the OrangePi RV2 
  Linux tree [4].
- Locally tested the OrangePi RV2 with the SpacemiT K1 device tree, 
  confirming it boots and operates correctly.

Patch #1 documents the compatible string for the OrangePi RV2, and 
patch #2 adds its minimal device tree. This enables booting to a serial
console with UART output and blinking a LED, similar to other K1-based 
boards such as the Banana Pi BPI-F3 or the Milk-V Jupiter.

Link: http://www.orangepi.org/html/hardWare/computerAndMicrocontrollers/details/Orange-Pi-RV2.html [1]
Link: https://www.spacemit.com/en/key-stone-k1 [2]
Link: https://github.com/BPI-SINOVOIP/pi-linux/blob/linux-6.6.63-k1/arch/riscv/boot/dts/spacemit/k1-x_orangepi-rv2.dts [3]
Link: https://github.com/orangepi-xunlong/linux-orangepi/tree/orange-pi-6.6-ky [4]

Hendrik Hamerlinck (2):
  dt-bindings: riscv: spacemit: Add OrangePi RV2 board
  riscv: dts: spacemit: Add OrangePi RV2 board device tree

 .../devicetree/bindings/riscv/spacemit.yaml   |  1 +
 arch/riscv/boot/dts/spacemit/Makefile         |  1 +
 .../boot/dts/spacemit/k1-orangepi-rv2.dts     | 43 +++++++++++++++++++
 3 files changed, 45 insertions(+)
 create mode 100644 arch/riscv/boot/dts/spacemit/k1-orangepi-rv2.dts

-- 
2.43.0