linux-kernel - [PATCH V3 0/3] spi: atcspi200: Add support for Andes ATCSPI200 SPI controller

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Message-ID: <20251215132349.513843-1-cl634@andestech.com>
Date: Mon, 15 Dec 2025 21:23:46 +0800
From: CL Wang <cl634@...estech.com>
To: <cl634@...estech.com>, <broonie@...nel.org>, <linux-spi@...r.kernel.org>,
        <robh@...nel.org>, <krzk+dt@...nel.org>, <conor+dt@...nel.org>
CC: <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <tim609@...estech.com>
Subject: [PATCH V3 0/3] spi: atcspi200: Add support for Andes ATCSPI200 SPI controller

Hi all,

This series adds support for the Andes ATCSPI200 SPI controller.

Changes in v3:
  - Reworked the DT binding to properly describe the compatible fallback
    relationship, defining "andestech,qilai-spi" as a platform-specific
    compatible that falls back to the generic "andestech,ae350-spi".
  - Renamed the DT binding file from 'andestech,qilai-spi.yaml' to
    'andestech,ae350-spi.yaml' to match the generic fallback compatible.
  - Updated the 'compatible' property to use a 'oneOf' schema, enforcing
    the fallback requirement for the specific compatible string.
  - Updated the MAINTAINERS entry to reflect the renamed DT binding file.

Patch overview:
  - Patch 1: Adds the device tree binding documentation.
  - Patch 2: Add ATCSPI200 SPI controller driver.
  - Patch 3: Add MAINTAINERS entry for the ATCSPI200 SPI controller driver.

Comments and reviews are welcome.
Thanks for your time.

Best regards,
CL

CL Wang (3):
  dt-bindings: spi: Add support for ATCSPI200 SPI controller
  spi: atcspi200: Add ATCSPI200 SPI controller driver
  MAINTAINERS: Add MAINTAINERS entry for the ATCSPI200 SPI controller
    driver

 .../bindings/spi/andestech,ae350-spi.yaml     |  85 +++
 MAINTAINERS                                   |   6 +
 drivers/spi/Kconfig                           |   9 +
 drivers/spi/Makefile                          |   1 +
 drivers/spi/spi-atcspi200.c                   | 680 ++++++++++++++++++
 5 files changed, 781 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/spi/andestech,ae350-spi.yaml
 create mode 100644 drivers/spi/spi-atcspi200.c

-- 
2.34.1