From: Adam Wermuth <adam@wermuth.pl>
To: Heiko Stuebner <heiko@sntech.de>
Cc: Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org,
Adam Wermuth <adam@wermuth.pl>
Subject: [PATCH 0/3] Subject: [PATCH 0/3] arm64: dts: rockchip: Enable M.2 B-key slot and fan on Radxa ROCK 3B
Date: Thu, 24 Sep 2026 09:14:42 +0200 [thread overview]
Message-ID: <20260924071445.441822-1-adam@wermuth.pl> (raw)
The Radxa ROCK 3B has an M.2 B-key slot intended for 4G/5G modules and
a 2-pin fan header, neither of which is currently described in the
mainline device tree.
Patch 1 enables the second USB 2.0 host controller, which serves the
USB lines of the B-key slot. Patch 2 describes the power, reset and
W_DISABLE# controls of the slot. Patch 3 adds the PWM fan and ties it
to the CPU thermal zone.
Pin assignments were checked against the ROCK 3B V1.51 schematic.
Tested on a ROCK 3B with a SIMCom SIM7600G-H module and a 5V fan,
running Linux 6.12 (OpenWrt) with the same changes applied.
Adam Wermuth (3):
arm64: dts: rockchip: Enable USB 2.0 host1 on Radxa ROCK 3B
arm64: dts: rockchip: Enable M.2 B-key WWAN slot on Radxa ROCK 3B
arm64: dts: rockchip: Add PWM fan to Radxa ROCK 3B
.../boot/dts/rockchip/rk3568-rock-3b.dts | 102 ++++++++++++++++++
1 file changed, 102 insertions(+)
base-commit: 23d8f49fcae5d72b77744c7f349c12462c3bb748
--
2.43.0
next reply other threads:[~2026-09-24 7:14 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-24 7:14 Adam Wermuth [this message]
2026-09-24 7:14 ` [PATCH 1/3] arm64: dts: rockchip: Enable USB 2.0 host1 " Adam Wermuth
2026-09-24 16:12 ` Jonas Karlman
2026-09-24 19:03 ` Adam Wermuth
2026-09-25 13:25 ` Sebastian Reichel
2026-09-25 13:56 ` Adam Wermuth
2026-09-25 15:42 ` Alexey Charkov
2026-09-24 7:14 ` [PATCH 2/3] arm64: dts: rockchip: Enable M.2 B-key WWAN slot " Adam Wermuth
2026-09-24 7:14 ` [PATCH 3/3] arm64: dts: rockchip: Add PWM fan to " Adam Wermuth
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