linux-kernel - [PATCH v3 0/5] Add Khadas MCU and fan control support for Khadas Edge 2

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Message-ID: <cover.1761059314.git.efectn@protonmail.com>
Date: Tue, 21 Oct 2025 17:22:40 +0200
From: muhammed.efecetin.67@...il.com
To: linux-rockchip@...ts.infradead.org
Cc: devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	robh+dt@...nel.org,
	krzysztof.kozlowski+dt@...aro.org,
	heiko@...ech.de,
	neil.armstrong@...aro.org,
	lee@...nel.org,
	rafael@...nel.org,
	efectn@...tonmail.com,
	daniel.lezcano@...aro.org
Subject: [PATCH v3 0/5] Add Khadas MCU and fan control support for Khadas Edge 2

From: Muhammed Efe Cetin <efectn@...tonmail.com>

This patch series adds support for the Khadas MCU and fan control for Khadas Edge 2 board.

The first patch updates the device tree bindings to add new "khadas,mcu-edge2" compatible for Khadas Edge 2.
The second mfd patch removes unused nvmem code.
The third patch adds the Khadas Edge 2 registers to the mfd driver.
The fourth patch adds support for Khadas Edge 2's new fan control registers to MCU thermal driver and the last one adds the Khadas Edge 2 device tree node for the MCU and fan control.
And the final patch adds the Khadas Edge 2 device tree node for the MCU and fan control.

Changes in v3:
- Renamed the compatible "khadas,mcu-v2" to "khadas,mcu-edge2" for Khadas Edge 2.
- Renamed KHADAS_MCU_V2 registers prefix to KHADAS_MCU_EDGE2.
- Used of_device_get_match_data instead of of_device_is_compatible to identify the MCU variant.

Changes in v2:
- Added a new compatible "khadas,mcu-v2" for Khadas Edge 2 instead of cooling-levels property in old variant.
- Added Khadas Edge 2 registers with KHADAS_MCU_EDGE2 prefix.

Muhammed Efe Cetin (5):
  dt-bindings: mfd: khadas-mcu: add new compatible for Khadas Edge 2
  mfd: khadas-mcu: drop unused nvmem code
  mfd: add Khadas Edge 2 registers to khadas-mcu.
  thermal: khadas_mcu_fan: add support for Khadas Edge 2
  arm64: dts: rockchip: add Khadas MCU and fan control nodes

 .../devicetree/bindings/mfd/khadas,mcu.yaml   |  5 +-
 .../dts/rockchip/rk3588s-khadas-edge2.dts     | 58 +++++++++++++++++++
 drivers/mfd/khadas-mcu.c                      | 58 ++++++++++++++-----
 drivers/thermal/khadas_mcu_fan.c              | 20 +++++--
 include/linux/mfd/khadas-mcu.h                | 32 ++++++++++
 5 files changed, 153 insertions(+), 20 deletions(-)

-- 
2.51.1.dirty