From patchwork Tue Jan 7 14:11:16 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexander Stein X-Patchwork-Id: 13929021 Received: from mx1.tq-group.com (mx1.tq-group.com [93.104.207.81]) (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 39A2B1F76D4 for ; Tue, 7 Jan 2025 14:11:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=93.104.207.81 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736259105; cv=none; b=Wu7ZKgaNUV15KRmRkhqxU14cwxr+3ahe1gI+Vg7tdZOvzU1AxTAXoE/11VT2NkMfJjzmmKtupIIjJH9eX+LOsB6MT41SNhHaOXp439etteYpHRjjCgasng+CgHulzMX2fyRVAvpVDlHw6rvCkBlufJxeNlED1cbznUyjFguT8BE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736259105; c=relaxed/simple; bh=q7cG0ViOYoEe4JcSfbFJSrSliJabuqPBfw8dtirLMEA=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=HTdFzOAgPcsMHUG0BBDd2t3O4oqoONpejzJTmeHdFl2P5Bw0aRg+X8pWxE1aTIZpB2pCX1OcuaPPMt6g5K4A1VyKQK1XS+hOcn33lz8smr1c3yHfgY3IQCKxSLHvYlm2sXvJVgx2g+tGLOhy8U8UpHsvdi/14sDi9rKIsKJ38ew= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=ew.tq-group.com; spf=pass smtp.mailfrom=ew.tq-group.com; dkim=pass (2048-bit key) header.d=tq-group.com header.i=@tq-group.com header.b=Zf6iNX6v; dkim=fail (0-bit key) header.d=ew.tq-group.com header.i=@ew.tq-group.com header.b=BHFpyrnk reason="key not found in DNS"; arc=none smtp.client-ip=93.104.207.81 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=ew.tq-group.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ew.tq-group.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=tq-group.com header.i=@tq-group.com header.b="Zf6iNX6v"; dkim=fail reason="key not found in DNS" (0-bit key) header.d=ew.tq-group.com header.i=@ew.tq-group.com header.b="BHFpyrnk" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=tq-group.com; i=@tq-group.com; q=dns/txt; s=key1; t=1736259100; x=1767795100; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=NBfi6nrpA1yiNxlW1XzcPEAvwphmJZY9mRYoq67HWaM=; b=Zf6iNX6vzw+isoRYSPAtWBK7mPocpctVR1BCV8shUD5FRr4uqvrmm7hT LegEcXMSqVISnzF9ZpdLsCoIIvdG8rPxGc6TdstEKJlZr0GvhNyvw14d9 r665zS1yU9jS8mjuxchk8oDkd1by3dw1OotTIt1NIwnlxc32n/NflLfug 8XPoxxYEbqfbfpN1hA/kx1P92+r8Yp6wO0J52FEirZy1NsLu9Ww7etkGV F6m3PETK9b9XUAd0aAA+CZBH2kLIWvj4oLjETm69dz4vOOSgZwIV7a0Y1 0qJMEG12UoA0C+yBiV3llv8WDqW6fcpSX60JQH0v7aHWZdRR814l/hC1B w==; X-CSE-ConnectionGUID: fnW025m9SOKxylZKA12b6A== X-CSE-MsgGUID: aPb+SQZ6QYmf9P5Sl7cikg== X-IronPort-AV: E=Sophos;i="6.12,295,1728943200"; d="scan'208";a="40896503" Received: from vmailcow01.tq-net.de ([10.150.86.48]) by mx1.tq-group.com with ESMTP; 07 Jan 2025 15:11:38 +0100 X-CheckPoint: {677D361A-0-1D00F64B-E6C57517} X-MAIL-CPID: E308D1528F3988BC39AF5B8E3116FC19_3 X-Control-Analysis: str=0001.0A682F1A.677D361A.0051,ss=1,re=0.000,recu=0.000,reip=0.000,cl=1,cld=1,fgs=0 Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 39FCA164D53; Tue, 7 Jan 2025 15:11:33 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ew.tq-group.com; s=dkim; t=1736259093; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=NBfi6nrpA1yiNxlW1XzcPEAvwphmJZY9mRYoq67HWaM=; b=BHFpyrnkOHJ36F2uH3q3AHY7fhrPDB77ME2iay/1WZv55yua3zRrj+/dZB071xFx+oYY7k MOtaJTgTfaeSsxlAW+esronyOGVzTx7xQ+YIQ7qrSUmMpOrIMJgOd0YP4VRykfZRQC/Uzp oHiViB0IQJS3gSnIk4OZDH956uWlDZILfyut7Rz6H7REqGJRvUmyrpQZsqO2IlJFwfBdon 2e5ENYnTZtlEP5+gSdP/ppbF3fK42QeyIjBrmyLgfKQXQzn3kT2cGk+QRbMrBN+bS9rM1m wNkaQOuMTJtscCGS7NJTljN5eArgabxhYpTYh2b2dWlqQf4Dpe6yYLPojNZ4Qw== From: Alexander Stein To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam Cc: Alexander Stein , linux@ew.tq-group.com, devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 2/3] arm64: dts: mba93xxca: Do not assert power-down pins Date: Tue, 7 Jan 2025 15:11:16 +0100 Message-Id: <20250107141117.984652-3-alexander.stein@ew.tq-group.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250107141117.984652-1-alexander.stein@ew.tq-group.com> References: <20250107141117.984652-1-alexander.stein@ew.tq-group.com> Precedence: bulk X-Mailing-List: imx@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Last-TLS-Session-Version: TLSv1.3 Change the output to inactive (output-low) for active-low pins, resulting in high-voltage of power-down pins. Thus this enables the attached devices. Signed-off-by: Alexander Stein --- .../freescale/imx93-tqma9352-mba93xxca.dts | 24 +++++++++---------- 1 file changed, 12 insertions(+), 12 deletions(-) diff --git a/arch/arm64/boot/dts/freescale/imx93-tqma9352-mba93xxca.dts b/arch/arm64/boot/dts/freescale/imx93-tqma9352-mba93xxca.dts index 861a028a1b165..b8ccc946c62d7 100644 --- a/arch/arm64/boot/dts/freescale/imx93-tqma9352-mba93xxca.dts +++ b/arch/arm64/boot/dts/freescale/imx93-tqma9352-mba93xxca.dts @@ -448,38 +448,38 @@ expander1: gpio@71 { "WLAN_PERST#", "12V_EN"; /* - * Controls the WiFi card PD pin which is low active - * as power down signal. The output-high states, the signal - * is active, e.g. card is powered down + * Controls the WiFi card's low-active power down pin. + * The output-low states, the signal is inactive, + * resulting in high signal at power-down pin */ wlan-pd-hog { gpio-hog; gpios = <4 GPIO_ACTIVE_LOW>; - output-high; + output-low; line-name = "WLAN_PD#"; }; /* - * Controls the WiFi card disable pin which is low active - * as disable signal. The output-high states, the signal - * is active, e.g. card is disabled + * Controls the WiFi card's low-active disable pin. + * The output-low states, the signal is inactive, + * resulting in high signal at power-down pin */ wlan-wdisable-hog { gpio-hog; gpios = <5 GPIO_ACTIVE_LOW>; - output-high; + output-low; line-name = "WLAN_W_DISABLE#"; }; /* - * Controls the WiFi card reset pin which is low active - * as reset signal. The output-high states, the signal - * is active, e.g. card in reset + * Controls the WiFi card's reset pin. + * The output-low states, the signal is inactive, + * resulting in high signal at power-down pin */ wlan-perst-hog { gpio-hog; gpios = <6 GPIO_ACTIVE_LOW>; - output-high; + output-low; line-name = "WLAN_PERST#"; }; };