linux-kernel - [PATCH v2 0/2] arm64: dts: rockchip: add Tinker Board 3 and 3S device tree

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Message-ID: <20251114154617.69950-1-michael.opdenacker@rootcommit.com>
Date: Fri, 14 Nov 2025 15:46:34 +0000 (UTC)
From: michael.opdenacker@...tcommit.com
To: robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org,
	heiko@...ech.de,
	dsimic@...jaro.org
Cc: devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-rockchip@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	Michael Opdenacker <michael.opdenacker@...tcommit.com>
Subject: [PATCH v2 0/2] arm64: dts: rockchip: add Tinker Board 3 and 3S device tree

From: Michael Opdenacker <michael.opdenacker@...tcommit.com>

Add initial device tree support for Asus Tinker Board 3 [1] and 3S [2],
which are SBCs based on the Rockchip 3566 SoC.

The "3S" version ("S" for "storage") is just a regular Tinker Board 3
fitted with a 16 GB eMMC and a "mask ROM" DIP switch
(to mask the eMMC and enter "Mask ROM" mode for recovery).

This adds support for:
- Debug UART (/dev/ttyS2)
- SD card (/dev/mmcblk1)
- eMMC (/dev/mmcblk0, only on Tinker Board 3S)
- I2C:
  - i2c0 (internal bus with a PMIC and regulators)
  - i2c2 (internal bus with an at24 eeprom and an RTC device)
- USB 2.0 ports
- 2 GPIO LEDS

This code was tested on Tinker Board 3S using the "master"
branch of the Linux kernel.

[1] https://tinker-board.asus.com/series/tinker-board-3.html
[2] https://tinker-board.asus.com/series/tinker-board-3s.html

Changes in V2:
- Rename "Tinker board" to "Tinker Board"
  in commit messages and DT code
- Insert "-board" in DT file names
- Insert "-board" in new compatible string too
- Commit messages: change the way the references are introduced
  ("[1] https://..." instead of "Link: https://... [1]")
- Reorder alias properties and node names
- Add missing "cpu-supply" property to cpu nodes
- Use standard "eeprom@...r" node name for at24 eeprom
- DT commit message: add missing "Asus" before "Tinker"

Michael Opdenacker (2):
  dt-bindings: arm: rockchip: Add Asus Tinker Board 3 and 3S
  arm64: dts: rockchip: Add Asus Tinker Board 3 and 3S device tree

 .../devicetree/bindings/arm/rockchip.yaml     |  11 +
 arch/arm64/boot/dts/rockchip/Makefile         |   2 +
 .../dts/rockchip/rk3566-tinker-board-3.dts    |  14 +
 .../dts/rockchip/rk3566-tinker-board-3.dtsi   | 280 ++++++++++++++++++
 .../dts/rockchip/rk3566-tinker-board-3s.dts   |  30 ++
 5 files changed, 337 insertions(+)
 create mode 100644 arch/arm64/boot/dts/rockchip/rk3566-tinker-board-3.dts
 create mode 100644 arch/arm64/boot/dts/rockchip/rk3566-tinker-board-3.dtsi
 create mode 100644 arch/arm64/boot/dts/rockchip/rk3566-tinker-board-3s.dts