linux-kernel - [PATCH v3 0/7] Axiado AX3000 SoC and Evaluation Board Support

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Message-Id: <20250623-axiado-ax3000-soc-and-evaluation-board-support-v3-0-b3e66a7491f5@axiado.com>
Date: Mon, 23 Jun 2025 10:28:11 -0700
From: Harshit Shah <hshah@...ado.com>
To: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, 
 Linus Walleij <linus.walleij@...aro.org>, 
 Bartosz Golaszewski <brgl@...ev.pl>, Arnd Bergmann <arnd@...db.de>, 
 Catalin Marinas <catalin.marinas@....com>, Will Deacon <will@...nel.org>, 
 Jan Kotas <jank@...ence.com>
Cc: devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
 linux-arm-kernel@...ts.infradead.org, linux-gpio@...r.kernel.org, 
 soc@...ts.linux.dev, Jan Kotas <jank@...ence.com>, 
 Harshit Shah <hshah@...ado.com>
Subject: [PATCH v3 0/7] Axiado AX3000 SoC and Evaluation Board Support

This patch series adds initial support for the Axiado AX3000 SoC and its
evaluation board.

The AX3000 is a multi-core system-on-chip featuring four ARM Cortex-A53
cores, secure vault, hardware firewall, and AI acceleration engines. This
initial support enables basic bring-up of the SoC and evaluation platform
with CPU, timer, UART, and I3C functionality.

The series begins by adding the "axiado" vendor prefix and compatible
strings for the SoC and board. It then introduces the device tree files
and minimal ARCH_AXIADO platform support in arm64.

Patch breakdown:
  - Patch 1 add the vendor prefix entry
  - Patch 2 document the SoC and board bindings
  - Patch 3 convert cdns,gpio.txt to gpio-cdns.yaml
  - Patch 4 add Axiado SoC family
  - Patch 5 add device tree for the ax3000 & ax3000-evk
  - Patch 6 add ARCH_AXIADO in defconfig
  - Patch 7 update MAINTAINERS file

Note: A few checkpatch.pl warnings appear due to DT binding conversions and
MAINTAINERS update. The binding conversion and includes were kept together in 
patch 3/7 due to their close relationship, but we are happy to split them if 
preferred.

Feedback and suggestions are welcome.

Signed-off-by: Harshit Shah <hshah@...ado.com>

To: Rob Herring <robh@...nel.org>
To: Krzysztof Kozlowski <krzk+dt@...nel.org>
To: Conor Dooley <conor+dt@...nel.org>
To: Linus Walleij <linus.walleij@...aro.org>
To: Bartosz Golaszewski <brgl@...ev.pl>
To: Arnd Bergmann <arnd@...db.de>
To: Catalin Marinas <catalin.marinas@....com>
To: Will Deacon <will@...nel.org>
Cc: devicetree@...r.kernel.org
Cc: linux-kernel@...r.kernel.org
Cc: linux-arm-kernel@...ts.infradead.org
Cc: linux-gpio@...r.kernel.org
Cc: soc@...ts.linux.dev
Cc: Jan Kotas <jank@...ence.com>

Signed-off-by: Harshit Shah <hshah@...ado.com>
---
Changes in v3:
- patch#3 
 - Update with the original filename
 - maitainer and property name updates
- patch#4
  - removed defconfig
- patch#5 
  - update nodes to alphabetical order, remove redudant nodes
  - add fix clock nodes
- patch#6 
  - enable ARCH_AXIADO in defconfig
- Link to v2: https://lore.kernel.org/r/20250615-axiado-ax3000-soc-and-evaluation-board-support-v2-0-341502d38618@axiado.com

Changes in v2:
- update patch#2 to fix the yamlint,dt_binding_check error
- update patch#6 to update path mentioned by kernel test robot
- Link to v1: https://lore.kernel.org/r/20250614-axiado-ax3000-soc-and-evaluation-board-support-v1-0-327ab344c16d@axiado.com

---
Harshit Shah (7):
      dt-bindings: vendor-prefixes: Add Axiado Corporation
      dt-bindings: arm: axiado: add AX3000 EVK compatible strings
      dt-bindings: gpio: gpio-cdns: convert to YAML
      arm64: add Axiado SoC family
      arm64: dts: axiado: Add initial support for AX3000 SoC and eval board
      arm64: defconfig: enable the Axiado family
      MAINTAINERS: Add entry for Axiado

 Documentation/devicetree/bindings/arm/axiado.yaml  |  23 +
 .../devicetree/bindings/gpio/cdns,gpio.txt         |  43 --
 .../devicetree/bindings/gpio/cdns,gpio.yaml        |  80 ++++
 .../devicetree/bindings/vendor-prefixes.yaml       |   2 +
 MAINTAINERS                                        |   8 +
 arch/arm64/Kconfig.platforms                       |   6 +
 arch/arm64/boot/dts/Makefile                       |   1 +
 arch/arm64/boot/dts/axiado/Makefile                |   2 +
 arch/arm64/boot/dts/axiado/ax3000-evk.dts          |  79 ++++
 arch/arm64/boot/dts/axiado/ax3000.dtsi             | 488 +++++++++++++++++++++
 arch/arm64/configs/defconfig                       |   1 +
 11 files changed, 690 insertions(+), 43 deletions(-)
---
base-commit: 8c6bc74c7f8910ed4c969ccec52e98716f98700a
change-id: 20250614-axiado-ax3000-soc-and-evaluation-board-support-1b86b4a9daac

Best regards,
-- 
Harshit Shah <hshah@...ado.com>