linux-kernel - [PATCH 0/5] arm64: qcom: add support for Arduino UnoQ SBC

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Message-ID: <20251106153119.266840-1-r.mereu@arduino.cc>
Date: Thu,  6 Nov 2025 16:31:14 +0100
From: Riccardo Mereu <r.mereu.kernel@...uino.cc>
To: andersson@...nel.org,
	konradybcio@...nel.org,
	robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org,
	broonie@...nel.org
Cc: linux@...ck-us.net,
	Jonathan.Cameron@...wei.com,
	wenswang@...h.net,
	naresh.solanki@...ements.com,
	michal.simek@....com,
	nuno.sa@...log.com,
	chou.cosmo@...il.com,
	grantpeltier93@...il.com,
	eajames@...ux.ibm.com,
	farouk.bouabid@...rry.de,
	linux-arm-msm@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-spi@...r.kernel.org,
	mm.facchin@...uino.cc,
	Riccardo Mereu <r.mereu@...uino.cc>
Subject: [PATCH 0/5] arm64: qcom: add support for Arduino UnoQ SBC

This patch series adds support for Arduino UnoQ single board computer. 
UnoQ combines Qualcomm QRB2210 microprocessor and STMicroelectronics 
STM32U585 microcontroller.

In some files we decided to keep UnoQ code name as "imola".

As this platform has a microcontroller connected to the microprocessor
we needed a dedicated spidev and to add uart2 to qcm2290.dtsi file; both
are used as interfaces between microprocessor and microcontroller.

Some GPIOs on the JMISC connector have been defined but not used in
qrb2210-arduino-imola.dts; this is meant to facilitate carrier dtbo
development for users.

Riccardo Mereu (5):
  dt-binding: trivial-devices: add arduino spi mcu interface
  drivers: spi: spidev: add compatible for arduino spi mcu interface
  dt-binding: arm: qcom: add arduino unoq codename
  arm64: dts: qcom: qcm2290: add uart2 node
  arm64: dts: qcom: unoq: add dts for arduino unoq

 .../devicetree/bindings/arm/qcom.yaml         |   1 +
 .../devicetree/bindings/trivial-devices.yaml  |   2 +
 arch/arm64/boot/dts/qcom/Makefile             |   1 +
 arch/arm64/boot/dts/qcom/qcm2290.dtsi         |  24 +
 .../boot/dts/qcom/qrb2210-arduino-imola.dts   | 467 ++++++++++++++++++
 drivers/spi/spidev.c                          |   2 +
 6 files changed, 497 insertions(+)
 create mode 100644 arch/arm64/boot/dts/qcom/qrb2210-arduino-imola.dts

-- 
2.51.2