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 2A89A4F7CC5; Mon, 28 Sep 2026 20:50:55 +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=1790628656; cv=none; b=M9TWbbE/l++Y0CBVsQd32/YevVJtbSdiaxfDL0kPZAmKWsEEt/FYQnJqOJm6MbHFiLHqkQdOP4hV1Y51SMJ/OzzRd2B7stQSvUxeWRmdFNMYMOQMHb12W/P/hCRQTdp0iaoyZBPNDmHJbCRy3AtEreWzHFaxS4l+AuJ9eZ7ys1Q= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790628656; c=relaxed/simple; bh=gnssPAE5e9jERJdPqsG71tW7kOYJmhAmcMvHNkQs47A=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Y2aPagmWqlcReyZjIaQ72zoR3KJjIeZPwv72Ebvx+OAGi1jsa9z6aHg5CDCwpuM4lIr62v7Jf4LMWPgansbnfXLwXx/c4jzTXBM4fATwnr7M2/2h1heoj4qWIuCFqp9E3a3lo9Xyy3Bb31PS4yoliDVMfbnHI2gPQ5LtpVnlaR0= 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=NVJpd55R; 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="NVJpd55R" 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=9J2seGKRWZVNJ1p8+AjKgKsDACjOYKsJmiv89i7OaIc=; b=NVJpd55RrTEoL6kRHTynZMWYU+ kq801L3939AzaWSNCAxxuB65PN8V5OO7r9uPv5i1AHLd7Kk9sfRwkUUH3P6vcdT55ersl0v9FHFZI ecwyu36UbcAeVjrxWMCDesa5oc+ONwLHSSgqkqWibAb+6DQ/o5GMYVtHTUniDANhnRaJMxxLSCZ+t /+YIwqEfXXk6fJFGdG8sQzwxfJJQ93me744Tg8msRKqFZwXN+glg26bW+3L93/am9eLMG2+XtxfeB AvJUbhQOdMWp3e9bKhjKR1Equpgol70ncGxV2HFD9/mE782NWrulHATndUCgDLHKE1+jIfWHzhpjv xI2qW+6A==; 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 1xBIJH-0000000F7qf-2GWC; Mon, 28 Sep 2026 22:50:51 +0200 From: Aurelien Jarno To: linux-kernel@vger.kernel.org, Rob Herring , Krzysztof Kozlowski , Conor Dooley , Yixun Lan , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti 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 v5 3/5] riscv: dts: spacemit: k3: add rfkill node for Bluetooth on Pico-ITX board Date: Mon, 28 Sep 2026 22:49:08 +0200 Message-ID: <20260928205012.3689405-4-aurelien@aurel32.net> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260928205012.3689405-1-aurelien@aurel32.net> References: <20260928205012.3689405-1-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 5aa6fa89cab58..d3f256dffb4fd 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