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 01F74310763; Fri, 2 Jan 2026 13:52:20 +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=1767361941; cv=none; b=K2y3fQla7p0Fx7+wNI4zi54M2UzGm+S74JWdpEByDwPYJ37liz39WZ84ZYF0SJe8yXBhSsCWFNOn6SNmInM6UU1jmPHh85gusvvSxHZ+7qKxw1rsnqs3//WIlG+dqOgy9AOhjGD2AYSUk/uEnkX8WX7F1y8l9TYpjf+2sfJ6yUw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767361941; c=relaxed/simple; bh=BqNSZT2cOzI2ag9wybPe7EepahdlA7tYbjaMGwVTos4=; h=Message-ID:Date:MIME-Version:Subject:To:References:From: In-Reply-To:Content-Type; b=OXefBHEW7IBfhL3eaBDd4fk9rwpHGH7W+zUM5KRc8DZDQ28qoQhs093lY2i7QRo6iGsXJvAHlg2t4HnbMU4M6BbsGWRb/YLo2KfJ6PUTYukKfS6JA6zcNVi+INUfs9LruPH+cusWRIbspZS6/+a01ckv9y2t09OVJUzZThialLw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=AMq5sKk4; 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="AMq5sKk4" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3A634C116B1; Fri, 2 Jan 2026 13:52:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1767361940; bh=BqNSZT2cOzI2ag9wybPe7EepahdlA7tYbjaMGwVTos4=; h=Date:Subject:To:References:From:In-Reply-To:From; b=AMq5sKk4Y5TY8W5lO9XhJcdZY68sJj3Sv7XTA5DdpnxQEVFP2sRwuA5tq0spUFpQ2 Dnu+GACBmemUfaTq8cgVJsRX8gVCGHNIhosyVm9W8Yu1ELfRmGnLRVaFmqx1NaUhvv 6m2Li4+2UAHV7VnfVEYmKI6A3j1efikVPNN655hUiZE1RisyESxWtqZQTJyVvlSJaY xXirzBBxyl3i9WiaF6qT9N6tLvsh0kUcJWFU1bSzhb6naipJ4nVWdsR6S6fnUlrTNS s1vYH467k6EWE0r+WXIPXSE0dNbAUvWzNMi0jliIM30AOypKi8Z6yk6xD93yK0cPpV bhbuQ8jqY9WaQ== Message-ID: Date: Fri, 2 Jan 2026 07:52:20 -0600 Precedence: bulk X-Mailing-List: dmaengine@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v5 2/2] arm64: dts: intel: agilex5: Add simple-bus node on top of dma controller node To: Khairul Anuar Romli , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Eugeniy Paltsev , Vinod Koul , dmaengine@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: Content-Language: en-US From: Dinh Nguyen In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 12/28/25 21:49, Khairul Anuar Romli wrote: > Move dma-controller node under simple-bus node to allow bus node specific > property able to be properly defined. This is require to fulfill Agilex5 > bus limitation that is limited to 40-addressable-bit. > > Update the compatible string for the DMA controller nodes in the Agilex5 > device tree from the generic "snps,axi-dma-1.01a" to the platform-specific > "altr,agilex5-axi-dma". Add fallback capability to ensure driver is able > to initialize properly. > > This change enables the use of platform-specific features and constraints > in the driver, such as setting a 40-bit DMA addressable mask through > dma-ranges, which is required for Agilex5. It also aligns with the updated > device tree bindings and driver support for this compatible string. > > Signed-off-by: Khairul Anuar Romli > --- > Changes in v5: > - No changes. > Changes in v4: > - No changes. > Changes in v3: > - Rename the patch "arm64: dts: intel: agilex5: Add dma-ranges, address > and size cells to dma node" > - Add simple-bus and move dmac0 and dmac1 1 level down. > Changes in v2: > - Rename the from add platform specific to add dma-ranges, address > and size cells. > - Define address-cells and size-cells for dmac0 and dmac1 > - Add dma-ranges for agilex5 for 40-bit > --- > .../arm64/boot/dts/intel/socfpga_agilex5.dtsi | 78 ++++++++++--------- > .../arm64/boot/dts/intel/socfpga_agilex5.dtsi | 78 ++++++++++--------- > 1 file changed, 43 insertions(+), 35 deletions(-) > Applied! Thanks, Dinh