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 E5F6B3C0608; Wed, 19 Aug 2026 17:01:38 +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=1787158900; cv=none; b=To1LsJpANixSOJPBuHpRll0igEjHzF2ysd8EV/nOzrQ0rxDW+FRl5PRrLsjZ4Zk1GvwSll1YT/+XvMhZnoiZ/JktYcgF9YYbpZR40+mw1xgNznxEVmiibeLbvU6N/n/ZCdRezFu+MjP4+kEMlyOptFc90GA5J/q8+CC1G55LB00= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787158900; c=relaxed/simple; bh=wL/hYcdrMbUkX32th8ImTORzuHYCmqVe8LEgvlquT+g=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=EE7Y7Vab1GkVNVbR/H3eZW9nsmP+CQKyqJM6q3lNXm1IqtFlTiNp+12eEDLCdFF3PeTa9xzmiSHCbpjUvEXg87MCPHLTe8ondogDDk2dfg1mYMAI/4AZDv+2lX7hEc9CT0whA4mwT7bEwUyi01WHxTLjc3bkqvIZQH43s3LSDhk= 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=JUEF3VBo; 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="JUEF3VBo" 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=fJTbyM7H+HD8boIQ2bH5NIgU8weFDSnU4WgmhSiMcHU=; b=JUEF3VBoqKY6CdM488xfnmCxoW GqHnaUT5WzTr23p/AIW+olhpHOuYtIglppVj86DYG2qWV8ymLT8WYOMfZ0OxkMCA2O9f0bDQsc2BE MNdj8Lz+YzdU9rB0OXJSAzstzucBvWtoSDO3h9oHO7rAX5PHVvc3HkVxTKsMuJJ5zFFxI3ADn19GX PnB3MwPswAe9pGxj6yt8GXlt+blsmw2wsWZwzaaDIbrmTaA/4w7QIoZrGpHsy9eUfVsdgvIBAxDTD Hb6On4gTEswHuLtjlKH4j3iG1glmq4mJqKBThQ89/twSKjsczoLun1vLkzYPM06G2faeRDSET/e0O mseWiuPA==; 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 1wwj2d-0000000D4ko-1STM; Wed, 19 Aug 2026 18:21:27 +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 v3 3/5] riscv: dts: spacemit: k3: add rfkill node for Bluetooth on Pico-ITX board Date: Wed, 19 Aug 2026 18:15:44 +0200 Message-ID: <20260819162115.2252812-4-aurelien@aurel32.net> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260819162115.2252812-1-aurelien@aurel32.net> References: <20260819162115.2252812-1-aurelien@aurel32.net> Precedence: bulk X-Mailing-List: linux-kernel@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 e932e464e645..d2e8df5ebeec 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