From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from hall.aurel32.net (hall.aurel32.net [195.154.119.183]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9BA9033E347; Wed, 29 Jul 2026 17:24:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=195.154.119.183 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785345900; cv=none; b=J39HC0A0lco+YJgaegtFADHeYuyXEIeLE2tc9Lt+6rSy/z3k8XObOgLAmqdTZiUdSiPS2Bwm+4ILDVAkvruMZRa6+44lV8OpjhtBLRmnxvWleDYNif6LUdUHtjxTiHpRwHfORbsbw87FgpFNoQw3bQS+DRqxogS/agjdoKgOtPU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785345900; c=relaxed/simple; bh=J8DrAfYaSl05tHGD5Larfhkjwwzkld/8TOEJbWhbVsA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Sz91s1qcP7/hHIkPu6qT14/JHEbCbkjSaWr9yHBGdm1Yhh3+FH3zYJOZ0tJhBcz431byUHMwEehZHw5SMoTmNW5O0ALHFMr83XKf0TpVPTtU61E0XuKpq6KVAr6gXpVuxUip/O07D1fhAbhOqePRHaPQPdjoxY14Bq7s+wMihDE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=aurel32.net; spf=pass smtp.mailfrom=aurel32.net; dkim=pass (2048-bit key) header.d=aurel32.net header.i=@aurel32.net header.b=o1LheW/o; arc=none smtp.client-ip=195.154.119.183 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=aurel32.net Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=aurel32.net Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=aurel32.net header.i=@aurel32.net header.b="o1LheW/o" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=aurel32.net ; s=202004.hall; h=Content-Transfer-Encoding:MIME-Version:References: In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Content-Type:From:Reply-To: Subject:Content-ID:Content-Description:X-Debbugs-Cc; bh=AzWGzek/aSIB+x29RlAdvLRQenRGSkh0b2C62hhPO2k=; b=o1LheW/oBgdjjxMHZX7ACtSa4G alBOFQaqPKsT/i4Iznn3Ifn6bP7RaUuMyeJFcFLUQvdWHi8hRncQVo09gCTOAQG4iAKJjhfkXeT5F Zzmop/oOCFtl2M583a5s+LZHoyLqpilQWCxufMR6k68kHDsFJZPYxq8Tw9bZ15/c47DOyoB1S2IuM TC9ukQs1IcQyrH1oXix3/ID2/SOTID2XbxUXv3WwA3Vie5ucYOAG57FjXokPZ+zaIbY/zMByEIqdg VSpdMW1Fh5VrPdYV4uuU0I0TSPlId2E1VJHMFjcGVT0aMlb79E+FDN7VGs9B8FRkelD0qU3RrtacH hbjtRzAg==; Received: from authenticated user by hall.aurel32.net with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.98.2) (envelope-from ) id 1wp81Y-00000002mWk-1NL7; Wed, 29 Jul 2026 19:24:56 +0200 From: Aurelien Jarno To: linux-kernel@vger.kernel.org, Rob Herring , Krzysztof Kozlowski , Conor Dooley , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Yixun Lan Cc: Aurelien Jarno , Anirudh Srinivasan , devicetree@vger.kernel.org (open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS), linux-riscv@lists.infradead.org (open list:RISC-V ARCHITECTURE), spacemit@lists.linux.dev (open list:RISC-V SPACEMIT SoC Support) Subject: [PATCH v2 2/4] riscv: dts: spacemit: k3: add rfkill node for Bluetooth on Pico-ITX board Date: Wed, 29 Jul 2026 19:20:24 +0200 Message-ID: <20260729172450.1660418-3-aurelien@aurel32.net> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260729172450.1660418-1-aurelien@aurel32.net> References: <20260729172450.1660418-1-aurelien@aurel32.net> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit On the K3 PICO-ITX board, by default the GPIO pin that connects to the RTL8852BE Bluetooth enable signal is driven low, resulting in impossibility to use Bluetooth. Add a DT node to expose it as an RFKILL device, which lets the Bluetooth driver or userspace toggle it as required. Tested-by: Anirudh Srinivasan Signed-off-by: Aurelien Jarno --- arch/riscv/boot/dts/spacemit/k3-pico-itx.dts | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/arch/riscv/boot/dts/spacemit/k3-pico-itx.dts b/arch/riscv/boot/dts/spacemit/k3-pico-itx.dts index b084a35aa00e3..6a60fae1f8b50 100644 --- a/arch/riscv/boot/dts/spacemit/k3-pico-itx.dts +++ b/arch/riscv/boot/dts/spacemit/k3-pico-itx.dts @@ -43,6 +43,13 @@ reg_aux_vcc5v: regulator-aux-vcc5v { regulator-max-microvolt = <5000000>; regulator-always-on; }; + + rfkill-usb-bt { + compatible = "rfkill-gpio"; + label = "rfkill-usb-bt"; + radio-type = "bluetooth"; + shutdown-gpios = <&gpio 0 30 GPIO_ACTIVE_HIGH>; + }; }; &i2c2 { -- 2.53.0