linux-kernel - [PATCH v4 0/1] Bluetooth: mediatek: add gpio pin to reset bt

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Message-ID: <20250623102359.2684-1-ot_zhangchao.zhang@mediatek.com>
Date: Mon, 23 Jun 2025 18:23:58 +0800
From: Zhangchao Zhang <ot_zhangchao.zhang@...iatek.com>
To: Marcel Holtmann <marcel@...tmann.org>, Matthias Brugger
	<matthias.bgg@...il.com>, Luiz Von Dentz <luiz.dentz@...il.com>,
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
CC: Sean Wang <sean.wang@...iatek.com>, Deren Wu <deren.Wu@...iatek.com>,
	Chris Lu <chris.lu@...iatek.com>, Hao Qin <Hao.qin@...iatek.com>,
	linux-bluetooth <linux-bluetooth@...r.kernel.org>, linux-kernel
	<linux-kernel@...r.kernel.org>, linux-arm-kernel
	<linux-arm-kernel@...ts.infradead.org>, linux-mediatek
	<linux-mediatek@...ts.infradead.org>, Zhangchao Zhang
	<ot_zhangchao.zhang@...iatek.com>
Subject: [PATCH v4 0/1]  Bluetooth: mediatek: add gpio pin to reset bt 

Reset Bluetooth using hardware pin via dts

Compared with the previously submitted version, the following
information are some specific revision histories

V3-->V4 modifications:
Modify dt binding format information and
the explanation text in the patch

V2-->V3 modifications:
-Changed the capitalization of co-developer names,
   using the correct capitalization of abbreviations and full
   name, and corrected obvious spelling errors.
-Add a revision history.
-Remove the "BT Driver" in the prefix.
-Add the bt-binding document, include inforamtion related to reset
   pin and compatibility matching.
-Add a comment before the schedule_delayed_work function call,
   although schedule_delayed_work is asynchronous, there is no risk.
   Even if it is not completed within 200ms, it will only postpone
   the subsequent probe and will not have any impact.
-Add a comment before the btmtk_reset_by_gpio function call,
   if the compatibility filed or pin cannot be found in the dts
   files, it can still reset bluetooth using software reset.

V2 modifications:
Modify gpio to GPIO, SW to software,
and fix other obvious spelling errors.