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 E6C1ACD3427 for ; Mon, 4 May 2026 22:54:16 +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=VukkESAFe3Dz4ubR3JzkbP1ey9khSmUL81vcflLLR9I=; b=0lOSuBhXhfddhJQrOsJHkdVUlM sKpkki39ZDiZfUEBbbLiqIE42+UWrVXta5YsDfynOOXFaDglZr21iFpyVvBSw8SPEaTElA1rrmTyS TdV45fvW6TeCOFpQcWJK8tgtDtlaySTimBk4Lzazm+Edv2qZsOjoB7FM1PUaapKxC/50rkNjGSFlv LZSINKtEXAuT9uDT289B8bRrxDEr01QGrjLI6ncu8ppr0VB/GjcHrO/BV55wLtw9CDDyYiugdq7Tt 7Eu9VQtN+zabJVXRQY9oh9LFEfkjZe+Lp2LCgG0E8zN+SD6lylilEgu7yqaFrm8HmmV/AT2sbg0pE cLKZzR1w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1wK2Ay-0000000EWvw-2z3z; Mon, 04 May 2026 22:54:08 +0000 Received: from mout-p-101.mailbox.org ([80.241.56.151]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1wK2Av-0000000EWv7-3gpc for linux-arm-kernel@lists.infradead.org; Mon, 04 May 2026 22:54:07 +0000 Received: from smtp1.mailbox.org (smtp1.mailbox.org [IPv6:2001:67c:2050:b231:465::1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mout-p-101.mailbox.org (Postfix) with ESMTPS id 4g8cQG2K5bz9tpY; Tue, 5 May 2026 00:53:58 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mailbox.org; s=mail20150812; t=1777935238; 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=VukkESAFe3Dz4ubR3JzkbP1ey9khSmUL81vcflLLR9I=; b=NEL0nBiDrxWMgFQ5JESDVgyazhUvcXpuJD86ARYio6oZH8DC7Ds2jFMZSLv85pm17lVz8i rCDmhGR7jEnlxdht26yOp41wy9JuVqHVTju0gNN0L2hnHDm1kwMEPS0SBgYj8tFwClrc5C nNCxr68taV+QM03lbeYph4OxB2fb7uU1GBfJEh31fITvSnpnYpwo7SpSrjyZubvhJzU4Gu 36Y1SXbG1RoRdr/+blUlyywZm+jhbsVQw72mCbcIQQU616cFIzk1G1DxuktlFmnG3gyZ69 /38iZWVKcn1VfN553gSwkg0mSuDwhWOBGEazuxO6lCeFboL0gO2TszVzJONUKQ== Message-ID: <5aaf1bc2-351d-4bd6-ad8d-206f58af1c26@mailbox.org> Date: Tue, 5 May 2026 00:53:52 +0200 MIME-Version: 1.0 Subject: Re: [PATCH 7/7] arm64: dts: renesas: r8a779md: Add support for R-Car M3Le R8A779MD Geist To: Geert Uytterhoeven Cc: linux-arm-kernel@lists.infradead.org, Nguyen Tran , Conor Dooley , David Airlie , Kieran Bingham , Krzysztof Kozlowski , Kuninori Morimoto , Laurent Pinchart , Magnus Damm , Maxime Ripard , Michael Turquette , Rob Herring , Simona Vetter , Stephen Boyd , Thomas Zimmermann , Tomi Valkeinen , devicetree@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org References: <20260419193718.133174-1-marek.vasut+renesas@mailbox.org> <20260419193718.133174-8-marek.vasut+renesas@mailbox.org> <0875e4a1-f112-4619-a229-2f6f9197f21c@mailbox.org> Content-Language: en-US From: Marek Vasut In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-MBO-RS-ID: db7b2fc70112bc46d8d X-MBO-RS-META: 3ezkm5km4odom3wm4cyftc36h38gwj6t X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260504_155406_094729_B48D434F X-CRM114-Status: GOOD ( 11.86 ) 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 5/4/26 11:24 AM, Geert Uytterhoeven wrote: Hello Geert, >>> Do we need these two? We don't have them in e.g. >>> arch/arm64/boot/dts/renesas/salvator-common.dtsi >> >> I believe we should add them, the KSZ9031 PHY does require 100us delay >> after reset is deasserted and before MDIO access is possible: >> >> https://ww1.microchip.com/downloads/aemDocuments/documents/UNG/ProductDocuments/DataSheets/KSZ9031RNX-Data-Sheet-DS00002117.pdf >> >> FIGURE 7-5: POWER-UP/POWER-DOWN/RESET TIMING >> >> " >> Note 2: After the de-assertion of reset, wait a minimum of 100 µs before >> starting programming on the MIIM (MDC/MDIO) >> interface >> " > > OK. So please add it to the other boards, too. Will do. >> [...] >> >>>> + pwm2_pins: pwm2 { >>>> + groups = "pwm2_a"; >>>> + function = "pwm2"; >>>> + }; >>> >>> What is pwm2 used for? >> >> The signal is accessible on the EXIO connector D (LBSC) . >> It is up to user to use the pin for their purposes. > > Usually we do not enable support for random user wirings on EXIO connectors. I'll remove that in V3, thanks !