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 B69391F12F8; Mon, 8 Dec 2025 01:25:10 +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=1765157110; cv=none; b=IY5sAoRJ6+VBF9QOdJvsm4pKkOtaCUF9PncttBhUR2kUFK4EHcAD30NkUWFhrtxryEKOUh12WnGlyIDUqVtujtbPOckh7Si2OD1s4fPZoZ0w9KXJPH7JQgXxriF64K3qV8xgcToNTZGMLyeUS0Dsu0cJHsadM/ULTJqYS+9YGbg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765157110; c=relaxed/simple; bh=SIUmbkmj39x7+DTGXk4yiFSzm3KeeAhkXRfI0TJm1tQ=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=CT+UYsdWkaptx+rrx+dTS4Vvjiiq9PMDjU02OwwRsFExzTCNziXvEi9Hmt2VY3YRsZG3XD7/LjDLUzOj+DZnRSIbRAghKu0xW2vjXh0Wytz83x1wOw758qFauWAARZp7dastak0OTdZDIy0ChUVKxoWfDDn1TR7n+x9RVD8e9DQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=upv/2HJq; 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="upv/2HJq" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5C01BC4CEFB; Mon, 8 Dec 2025 01:25:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1765157110; bh=SIUmbkmj39x7+DTGXk4yiFSzm3KeeAhkXRfI0TJm1tQ=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=upv/2HJqMvnHSj513L5kQcuG2BDQw5tqvgLdda1Q0H5XBXiLpS7wXJyGXyr6a5yY3 bic5eGinc9xietrLwwdlXlvYDGm8SBTrCckbIA6arpuHOi0xPPaRn/dfJZ3Smbu4yU YqsPkChC+e8J0CeU+kb1UwF3XfwODByVt+LtjJlZPOxEwcZbnhKaszMvjuv1Aq0myX Y+RGaoOBN289d2DiHRu2zHhevCNRfBcj7yzF/tgoP4o3gw0uJ8xO3qHoePPm+mPC/+ DpeA4RPO4xPH2omL0BQrgiivQXtdsBaYj+5pSQGu3iCq3oc4XBKrii0y7a30ajgJyN T2TDzv6RUgHnQ== Date: Sun, 7 Dec 2025 19:25:08 -0600 From: "Rob Herring (Arm)" To: Josua Mayer Cc: linux-mmc@vger.kernel.org, Conor Dooley , Jon Nettleton , Geert Uytterhoeven , linux-kernel@vger.kernel.org, Yazan Shhady , Mikhail Anikin , Ulf Hansson , Wolfram Sang , devicetree@vger.kernel.org, Magnus Damm , Krzysztof Kozlowski , linux-renesas-soc@vger.kernel.org Subject: Re: [PATCH v2 1/2] dt-bindings: mmc: renesas,sdhi: Add mux-states property Message-ID: <176515710765.339992.15158298928196406784.robh@kernel.org> References: <20251201-rz-sdio-mux-v2-0-bcb581b88dd7@solid-run.com> <20251201-rz-sdio-mux-v2-1-bcb581b88dd7@solid-run.com> 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: <20251201-rz-sdio-mux-v2-1-bcb581b88dd7@solid-run.com> On Mon, 01 Dec 2025 13:31:10 +0100, Josua Mayer wrote: > Add mux controller support for when sdio lines are muxed between a host > and multiple cards. > > There are several devices supporting a choice of eMMC or SD on a single > board by both dip switch and gpio, e.g. Renesas RZ/G2L SMARC SoM and > SolidRun RZ/G2L SoM. > > In-tree dts for the Renesas boards currently rely on preprocessor macros > to hog gpios and define the card. > > By adding mux-states property to sdio controller description, boards can > correctly describe the mux that already exists in hardware - and drivers > can coordinate between mux selection and probing for cards. > > Signed-off-by: Josua Mayer > --- > Documentation/devicetree/bindings/mmc/renesas,sdhi.yaml | 6 ++++++ > 1 file changed, 6 insertions(+) > Acked-by: Rob Herring (Arm)