From: "Troy Mitchell" <troy.mitchell@linux.spacemit.com>
To: "Frédéric Mahé" <frederic.mahe@cirad.fr>,
"Marcel Holtmann" <marcel@holtmann.org>,
"Luiz Augusto von Dentz" <luiz.dentz@gmail.com>,
"Rob Herring" <robh@kernel.org>,
"Krzysztof Kozlowski" <krzk+dt@kernel.org>,
"Conor Dooley" <conor+dt@kernel.org>,
"Yixun Lan" <dlan@kernel.org>
Cc: "Vasily Khoruzhick" <anarsoul@gmail.com>,
"Alistair Francis" <alistair@alistair23.me>,
"Paul Walmsley" <pjw@kernel.org>,
"Palmer Dabbelt" <palmer@dabbelt.com>,
"Albert Ou" <aou@eecs.berkeley.edu>,
"Alexandre Ghiti" <alex@ghiti.fr>,
"Troy Mitchell" <troy.mitchell@linux.spacemit.com>,
<linux-bluetooth@vger.kernel.org>, <devicetree@vger.kernel.org>,
<linux-riscv@lists.infradead.org>, <spacemit@lists.linux.dev>,
<linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v2 2/2] riscv: dts: spacemit: enable Bluetooth on BPI-F3
Date: Wed, 11 Nov 2026 09:52:01 +0000 [thread overview]
Message-ID: <DMSAF9BN11D0.IDM8IS01DE6B@linux.spacemit.com> (raw)
In-Reply-To: <20261111094557.443481-3-frederic.mahe@cirad.fr>
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On Wed Nov 11, 2026 at 9:45 AM GMT, Frédéric Mahé wrote:
> The BPI-F3 has an RTL8852BS module whose Bluetooth part is on UART2,
> with hardware flow control. GPIO 63 powers Bluetooth on and GPIO 64
> is the device wake line.
>
> The firmware config switches the UART to 1.5 Mbaud, so take the UART2
> clock from slow_uart2, set to 48 MHz.
>
> Tested with a laptop: scan, pairing, and l2ping in both directions,
> including incoming connections while the UART is runtime suspended.
> An 8-hour soak (an HCI command every 20 s) showed no errors.
>
> This patch was prepared with the help of an AI assistant (Claude),
> which also ran the tests.
>
> Signed-off-by: Frédéric Mahé <frederic.mahe@cirad.fr>
Reviewed-by: Troy Mitchell <troy.mitchell@linux.spacemit.com>
--
Troy Mitchell
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prev parent reply other threads:[~2026-11-11 9:52 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-11-11 9:45 [PATCH v2 0/2] Bluetooth for the RTL8852BS " Frédéric Mahé
2026-11-11 9:45 ` [PATCH v2 1/2] dt-bindings: net: bluetooth: realtek: Add RTL8852BS Frédéric Mahé
2026-11-11 9:51 ` Troy Mitchell
2026-11-11 9:45 ` [PATCH v2 2/2] riscv: dts: spacemit: enable Bluetooth on BPI-F3 Frédéric Mahé
2026-11-11 9:52 ` Troy Mitchell [this message]
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