From nobody Sat Feb 7 17:54:52 2026 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 588D7337B9F; Mon, 15 Dec 2025 21:28:00 +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=1765834080; cv=none; b=hxnlgLO4mrw1dskpqgAdfEL/mJNJs1G8K2sePH1EAoytU1t7QYZdiL4AcbiXx2CyVLpYCkHOINymOQz8pdKyzTFpGOUvKoGdN3rC6nQj7/X9K+uD4PeRe4DNEJbGP/73JY3ZialxTZHKzEQfDX+cYGLGGAK+dUFLGhUsPKCQuNw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765834080; c=relaxed/simple; bh=n5vgBgys/+Y+mTrRSIRDd9uwfaaHxjSoUs4hAura+JE=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=TqfLpeTHyn5GHA1zv72j9mwLUZzIwiJMT6rH5bT6UTgoCZ2zWdzJkx29ONuVR+MtqBnB9U4nm5oZOvK9zKEoBjjeBTa2yz7A3pkMRnjjzzMBwx9Yg2gCDCh4vldJGD1u54TDO/d3JLZrY+Wdtco/Yye1CfefUbwHpKJipaFm3ZQ= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=pYvONRxp; 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="pYvONRxp" Received: by smtp.kernel.org (Postfix) with ESMTPSA id BEE68C4CEF5; Mon, 15 Dec 2025 21:27:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1765834079; bh=n5vgBgys/+Y+mTrRSIRDd9uwfaaHxjSoUs4hAura+JE=; h=From:To:Cc:Subject:Date:From; b=pYvONRxpduLtiaekziw8bxTvTcvh4fwmMzcWRIIhbyUHj6JkifN2U6ag4Zjo5tqbj 6WwdGnpKbdVZsLC6XAvwwgMWvVu/3zAoAXU3s6jwPDun3ZjHji2zwh9n+KuMVwufaQ GVM1Bp+w4wFi3Ex6eBn8sP+bZ6+q8p9LmmK0RfPlcyRAr1oQe/MnatJBrtHdjBM9xA 5EDE9Hg1rRRrXSAxb9f6WkNRk4R4K7OvFc2G6ErN3kLO0H0hpap3hIor9Hv0RuFOrc Yc+CU4cSokyLGQIDrfwOgEU2krQend97AMHXNZLLF1p3RMkv8MKDcQIR9Yoks9q9jO R76gEQTpbj75w== From: "Rob Herring (Arm)" To: Ulf Hansson , Krzysztof Kozlowski , Conor Dooley , Adrian Hunter Cc: linux-mmc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] dt-bindings: mmc: arasan,sdhci: Allow "dma-coherent" property Date: Mon, 15 Dec 2025 15:27:50 -0600 Message-ID: <20251215212751.3321878-1-robh@kernel.org> X-Mailer: git-send-email 2.51.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" The Arasan SDHCI controller is DMA coherent on the APM merlin SoC, so allow the dma-coherent property. No reason implementations can't also be coherent and there's not an SoC specific compatible, so allow it on any platform. Signed-off-by: Rob Herring (Arm) --- Documentation/devicetree/bindings/mmc/arasan,sdhci.yaml | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Documentation/devicetree/bindings/mmc/arasan,sdhci.yaml b/Docu= mentation/devicetree/bindings/mmc/arasan,sdhci.yaml index 8e79de97b242..d6b6fa6dcffb 100644 --- a/Documentation/devicetree/bindings/mmc/arasan,sdhci.yaml +++ b/Documentation/devicetree/bindings/mmc/arasan,sdhci.yaml @@ -121,6 +121,8 @@ properties: - const: clk_ahb - const: gate =20 + dma-coherent: true + interrupts: minItems: 1 maxItems: 2 --=20 2.51.0