linux-kernel - [PATCH v3 0/2] bluetooth: mt7921s: Add binding and fixup existing dts

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Message-ID: <20240412073046.1192744-1-wenst@chromium.org>
Date: Fri, 12 Apr 2024 15:30:41 +0800
From: Chen-Yu Tsai <wenst@...omium.org>
To: Marcel Holtmann <marcel@...tmann.org>,
	Luiz Augusto von Dentz <luiz.dentz@...il.com>,
	Rob Herring <robh+dt@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Matthias Brugger <matthias.bgg@...il.com>,
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
Cc: Chen-Yu Tsai <wenst@...omium.org>,
	Sean Wang <sean.wang@...iatek.com>,
	linux-bluetooth@...r.kernel.org,
	netdev@...r.kernel.org,
	linux-mediatek@...ts.infradead.org,
	devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH v3 0/2] bluetooth: mt7921s: Add binding and fixup existing dts

Hi everyone,

This is v3 of my MT7921S Bluetooth binding series.

Changes since v2:
- Expand description and commit message to clearly state that WiFi and
  Bluetooth are separate SDIO functions, and that each function should
  be a separate device node, as specified by the MMC binding.
- Change 'additionalProperties' to 'unevaluatedProperties'
- Add missing separating new line
- s/ot/to/

Changes since v1:
- Reworded descriptions in binding
- Moved binding maintainer section before binding description
- Added missing reference to bluetooth-controller.yaml
- Added missing GPIO header to example

This short series adds a binding document for the MT7921S SDIO Bluetooth
controller. The MT7921S is a SDIO-based WiFi/Bluetooth combo. WiFi and
Bluetooth are separate SDIO functions. The chip has extra per-subsystem
reset lines that can reset only WiFi or Bluetooth cores.

Patch 1 documents the SDIO function and the reset line, based on
existing device tree and driver usage. I listed Sean Wang, the original
driver author and maintainer, as the maintainer of the binding.

Patch 2 fixes up the sole existing usage of the compatible string by
making it a proper SDIO function node.

Please take a look. Not sure which tree patch 1 should be merged
through? I suppose with proper acks it could go through the soc/mediatek
tree together with patch 2.


Regards
ChenYu


Chen-Yu Tsai (2):
  dt-bindings: net: bluetooth: Add MediaTek MT7921S SDIO Bluetooth
  arm64: dts: mediatek: mt8183-pico6: Fix bluetooth node

 .../bluetooth/mediatek,mt7921s-bluetooth.yaml | 55 +++++++++++++++++++
 MAINTAINERS                                   |  1 +
 .../mediatek/mt8183-kukui-jacuzzi-pico6.dts   |  3 +-
 3 files changed, 58 insertions(+), 1 deletion(-)
 create mode 100644 Documentation/devicetree/bindings/net/bluetooth/mediatek,mt7921s-bluetooth.yaml

-- 
2.44.0.683.g7961c838ac-goog