From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 50320343D87; Thu, 20 Nov 2025 15:54:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763654093; cv=none; b=toz0GJwspgZg2gDNvjjCWwfRr57D+PJ+8B/oa7PFi7KGT7swQcKYlQMNrwsyxaYtlsKLacaenau83maQ3B59GZmj0e+1VzTnn6FpYWZnJNPVsg2hT8VqSeYdyevAqbINWIAoSnKedagKsgpLAeWsxGfO8MOV5/dmYJCdEzs9M+g= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763654093; c=relaxed/simple; bh=6O/WI3Wqvv28z6LhYTUVDR/wcUThXyOVzAhMLxAwEu4=; h=Date:From:To:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=ZL2YomHFX3v8cqfuqgS0JJI/XqxDRAHXviofUOpoWL0bD5kqlupcR+azGvAJenPgCfbj8MFq4gqiN2MWjJr9z4ZhigIRqSjYIVOzaIdi0+lMkYRn43Ms3s6wwwOmWexwJbj4iWKldNO+aGUTS5OqO/8b/vBeQ851TAmHLr5G7HQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=uTon31HE; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="uTon31HE" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3AF52C4CEF1; Thu, 20 Nov 2025 15:54:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1763654092; bh=6O/WI3Wqvv28z6LhYTUVDR/wcUThXyOVzAhMLxAwEu4=; h=Date:From:To:Subject:References:In-Reply-To:From; b=uTon31HEFaGkTQFhRCvP7ft6t4Fcx56vjaYasi76tunhBtieqizu+bTeROkIYI79f CLwBJa7C3Oi/mO/8b0DgYqC8ec01GyjI+c67wG+kQgsqDLfax34hexF8rTP/591ywy RCEHoImeSIKuQD92xJQYzMfPYuzN/jNaALkzgaxMljF3SgBsYSo1Zwz9WF58bxnbvA RxMdxwR/XMBEXrkICrd6C/7Q4tfNaoTUFp9QEM4/0zoCXcVDgFFam8qdFyb3nmVyC+ 0tXjC8iJ4a3BvPyeSELhw4qAJawXCkU8D3xirgjydkwQmB/Dwl/lSdkawrhK+x9QF7 gELbJ+MUQ638A== Received: from johan by xi.lan with local (Exim 4.98.2) (envelope-from ) id 1vM6zk-0000000062W-2sk7; Thu, 20 Nov 2025 16:54:52 +0100 Date: Thu, 20 Nov 2025 16:54:52 +0100 From: Johan Hovold To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Alejandro Enrique , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2] dt-bindings: gnss: u-blox: use open-drain reset and safeboot in example Message-ID: References: <20251114155413.11949-1-johan@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20251114155413.11949-1-johan@kernel.org> On Fri, Nov 14, 2025 at 04:54:13PM +0100, Johan Hovold wrote: > The RESET_N and SAFEBOOT_N pins should typically be left open and only > be connected to ground in rare cases where a device is misbehaving. > > Specify GPIO_OPEN_DRAIN in the example as this is what should generally > be used. > > Note that the current Linux driver implementation depends on these pins > being declared open-drain so that they are not driven while the main > supply is off. This statement is too strong as there would typically be a level shifter preventing the signals from being driven so I dropped this paragraph. > Signed-off-by: Johan Hovold Johan