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 C3709E9D3FF for ; Wed, 4 Feb 2026 15:20:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=BO5FB6ugskYoKe61o2k1S0iPDg/eWb8RKcARyfDRYlU=; b=M+QUnIiGMkmDuZ e2s8Uj7EXpCh7bOu9nv3M76RyctrSrdTg5FLcLV5MVqrqtGytgFx+hPOQfOvSchwdpA7ZEYd9easP c6YCSzLmmyDlVibL6o+fJij7cNJxojFXK97E+yJI+K+RiWV2FoEokospwRL9G364MdUN8D2vKelHI YRUmAtSDIOEFRrmFfYtr+h8h3niFw6Cmd8MBBla2yaX66T9QcXqNx7YvrnK8kNQ5C9zbH3Df/gMSV jUm2U3W0kexQk2oq158FX38nICMSDKiYJCiX7Zv57l1YcjwQYKA594tLVwvR4P8blcr1PlHuO2byx DEPPUKxckYOL6ASOqiQg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vnegM-00000008eS5-2BDp; Wed, 04 Feb 2026 15:20:42 +0000 Received: from zeus03.de ([194.117.254.33] helo=mail.zeus03.de) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vnegI-00000008eQ3-0CMS for linux-phy@lists.infradead.org; Wed, 04 Feb 2026 15:20:41 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= sang-engineering.com; h=date:from:to:cc:subject:message-id :references:mime-version:content-type:in-reply-to; s=k1; bh=fc34 n9S8gHg/bFfzfbYnlhO01VSJ5IxePNrddiLXj/c=; b=FkWh0D0kw/qC3v+/UbmF 7mMaA/bxdwtXpSZKKmb/h951YfqaZyuCprDndlZPbwOHCS6t3CDElsyLcal1iJW7 +mEQJQkDmqm80X6EK3Y12/mdGJAo5sZqxM0rgTEbEKr00OQRWmc7TKt4x4uQ+094 lWO7bC7pEu+okdJdXu/vdGNJJ0mPJ9qv+ht6k6Y4GOaqsWnkANcBMVQdLSpiBLrK 4s/mgntmNdEtvbLKfJICmBXycPMzDCBnOP1SvY+9XALC6iHaL4ArVWWNrZDaxg/W SFD476xD76amT5DzeTkLhzDEdGw3VXB1SjKr76GQC5UVTuF7Uc64z+nN0lY//5o8 DQ== Received: (qmail 2409243 invoked from network); 4 Feb 2026 16:20:35 +0100 Received: by mail.zeus03.de with UTF8SMTPSA (TLS_AES_256_GCM_SHA384 encrypted, authenticated); 4 Feb 2026 16:20:35 +0100 X-UD-Smtp-Session: l3s3148p1@Uyn7GAFK0oYqAAAQagvIAoH29ntsUY5F Date: Wed, 4 Feb 2026 16:20:34 +0100 From: Wolfram Sang To: Josua Mayer Cc: Marc Kleine-Budde , Vincent Mailhol , Vinod Koul , Neil Armstrong , Peter Rosin , Aaro Koskinen , Andreas Kemnade , Kevin Hilman , Roger Quadros , Tony Lindgren , Janusz Krzysztofik , Vignesh R , Andi Shyti , Ulf Hansson , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Geert Uytterhoeven , Magnus Damm , Yazan Shhady , Jon Nettleton , Mikhail Anikin , linux-can@vger.kernel.org, linux-phy@lists.infradead.org, linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org, linux-i2c@vger.kernel.org, linux-mmc@vger.kernel.org, devicetree@vger.kernel.org, linux-renesas-soc@vger.kernel.org Subject: Re: [PATCH v8 7/7] mmc: host: renesas_sdhi_core: support selecting an optional mux Message-ID: References: <20260203-rz-sdio-mux-v8-0-024ea405863e@solid-run.com> <20260203-rz-sdio-mux-v8-7-024ea405863e@solid-run.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20260203-rz-sdio-mux-v8-7-024ea405863e@solid-run.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260204_072038_363996_81189E91 X-CRM114-Status: GOOD ( 11.06 ) X-BeenThere: linux-phy@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux Phy Mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org On Tue, Feb 03, 2026 at 03:01:40PM +0200, Josua Mayer wrote: > Some hardware designs route data or control signals through a mux to > support multiple devices on a single sdhi controller. > > In particular SolidRun RZ/G2L/G2LC/V2L System on Module use a mux for > switching between soldered eMMC and an optional microSD on a carrier > board, e.g. for development or provisioning. > > SD/SDIO/eMMC are not well suited for runtime switching between different > cards, however boot-time selection is possible and useful - in > particular considering dt overlays. > > Add support for an optional SD/SDIO/eMMC mux defined in dt, and select > it during probe. > > Similar functionality already exists in other places, e.g. i2c-omap. > > Reviewed-by: Geert Uytterhoeven > Signed-off-by: Josua Mayer Reviewed-by: Wolfram Sang -- linux-phy mailing list linux-phy@lists.infradead.org https://lists.infradead.org/mailman/listinfo/linux-phy