From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 6B6FCCDE02B for ; Thu, 26 Sep 2024 18:26:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=vBpWwiAFWqFs5UxCna+MtvMLuFCVFCDh3YvfR1ViqUI=; b=AfDYNql/NcqJ0wyocHe56/mLuX gBcR7bOqAy8msrA0xYpeE2OF71JluWCMUsEVgivOmodw+9FFYXvZJK/5NP/b3rd160mGC5ZSqaFTg /nIFARBbFqGwlatl1O57s5cixiW350H1ofhspqRiEGIc4U5cRwzQEwiPwO5gZxgXwVcnJ8l4kWLZQ SgH841VbMd9D0DKTCBnZDkUsA4oFKg+7JaRxo5/UkKmvxyzmsvvgHs5D0XQ9pD8LEAGixRJQwqgM7 WzSEhHTE7zzZwo+VR7F4vFZK/mgd/iftaWWf74Z+JBbvcfTlegNv7hA1K90nxglrdhuFCR4LQZ6SQ CGUdgNsQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1sttC1-000000097sX-2OEJ; Thu, 26 Sep 2024 18:26:21 +0000 Received: from out-175.mta0.migadu.com ([91.218.175.175]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1sttA9-000000097dp-2YGD for linux-arm-kernel@lists.infradead.org; Thu, 26 Sep 2024 18:24:27 +0000 Message-ID: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1727375061; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=vBpWwiAFWqFs5UxCna+MtvMLuFCVFCDh3YvfR1ViqUI=; b=efMjJFaAqPaXfnyrjlOHdz8KGd6T/WKWndUClmnSOmGTQzQsQC/nn4eyZzyGNWxWh82WtN NeresYp2ThFoA5010CTgTeUWmZNbptxJxgyvwGamrIOrMQpKzL9+liMcyXk+RBW+mcmIcT z/KjM6XRXZ9XP9UlkRKMuyiuHd9q3fA= Date: Thu, 26 Sep 2024 14:24:12 -0400 MIME-Version: 1.0 Subject: Re: [PATCH 0/2] arm64: dts: renesas: Add SD/OE pin properties To: linux-arm-kernel@lists.infradead.org, Adam Ford , Marian-Cristian Rotariu , Biju Das , Laurent Pinchart Cc: Krzysztof Kozlowski , Rob Herring , linux-renesas-soc@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Conor Dooley , Magnus Damm , Geert Uytterhoeven , Olof Johansson , Arnd Bergmann References: <20240926180903.479895-1-sean.anderson@linux.dev> Content-Language: en-US X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: Sean Anderson In-Reply-To: <20240926180903.479895-1-sean.anderson@linux.dev> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Migadu-Flow: FLOW_OUT X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240926_112425_914392_F7ADB0E8 X-CRM114-Status: GOOD ( 13.52 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 9/26/24 14:09, Sean Anderson wrote: > Linux can configure almost every part of this clock generator without > relying on the OTP settings. However, the correct configuration for the > SD/OE pin cannot be determined automatically. Therefore, add the > appropriate properties to configure this pin. > > I have CC'd some people who appear to have access to the following > boards which use the versaclock5: > > - Salvator-X > - HiHope RZ/G2[MN] Main Board > - Beacon Embedded Works RZ/G2N Development Kit > > as I could not find schematics for these boards. You can help me out by > (pick one): > > - Run the following command and send me the output: > > $ grep 10: /sys/kernel/debug/regmap/*-006a/registers > > - Measure the voltage on the SD/OE pin on a functioning board. > - Inspect (or send me) the schematic to determine the state of the SD/OE > pin during normal operation. > > My suspicion is that all of these boards use the same configuration > (SD/OE pin tied high) owing to their common design heritage. Thanks in > advance. +CC the people I meant to CC in the first place