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 C5350351C18; Wed, 4 Mar 2026 06:14:16 +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=1772604856; cv=none; b=CVnMffxrh1TlZCFBiENlbYEUSDIB9DEDtPwJKDT2NaOB29/eaKtTMnSbfoopV9FaUs9+G9DsKerKn/CyWRy122j+jt05AhTPSoGLYFnlvAuNqPgZgRaF+D//bD1kPRLY6tbMtWA3cBMMKyErq6wVdDrlwf0jhdu0iXEjcFF54Fo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772604856; c=relaxed/simple; bh=ITg/ig7wrS1ZXLm9pbAOjF/U8W9JlHhbHX5MT6WlX0o=; h=From:Subject:Date:Message-Id:MIME-Version:Content-Type:To:Cc; b=NSJeM4OImg8p2Qhk3wBz/VJl1P23DeHyRBXAMF5PsDkNUIpNlQ+5pZfG2QR/T9XAp7/i1WQiURk88UnmZ5xOn6RQiDczu64LBg1jd0PsWYrkChkvM32CfUONqxdjKOLowOHc+qAkBGnDlofgIO8sy24OkZlqJNxPGYFgwmX5xyY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=fKHlI7vo; 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="fKHlI7vo" Received: by smtp.kernel.org (Postfix) with ESMTPS id 622BAC19423; Wed, 4 Mar 2026 06:14:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772604856; bh=ITg/ig7wrS1ZXLm9pbAOjF/U8W9JlHhbHX5MT6WlX0o=; h=From:Subject:Date:To:Cc:Reply-To:From; b=fKHlI7vo1WRqwM3r6iUYfH2eCl3o6uuf8ooLroJYoSX5D8+i16HONe+LOlWSmDEA/ mqk7hrCz5mEVO5rfIH63sQjS2lkg63L5KAjDPORjOO5wdUJdMspfosnG1ui75SQ8vl IJijRTXhwc/mz5xrV50MyQbdKz3yLCnG4fINIlHnTOyZiFGRZxljIbT3neRuNOdhds GXuw6BntbiLRWCRaNtFcKeNsM7fDUZv1SwonUwPnDz03y8Zg32UyVlSOtwICKVsGMT gn6rtZPwy1W3oEcQhYgwG41WULqySM9/c7m4g7NUBecE2P7yyroZxNaxmMX/vHpoXV VT6rk6l3zxvTw== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 490B5EDEBF7; Wed, 4 Mar 2026 06:14:16 +0000 (UTC) From: Xianwei Zhao via B4 Relay Subject: [PATCH v5 0/3] Add Amlogic general DMA Date: Wed, 04 Mar 2026 06:14:11 +0000 Message-Id: <20260304-amlogic-dma-v5-0-aa453d14fd43@amlogic.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-B4-Tracking: v=1; b=H4sIALPNp2kC/2XOwQ6CMAwG4FchOzvDyro5T76H8QCswBJhBgzRE N7dQSQKHP82398OrKPWUcfO0cBa6l3nfBMCHiKWV2lTEnc2ZAYxoACBPK3vvnQ5t3XKtZFaW8w tKMmCeLRUuNfcdr2FXLnu6dv3XN6Labr0qFVPL3jMCU6GUJNRqb58t8fc12xq6mHRKhag1xqCl ghoE9BWS7vXyU9DvLmdBI2qyEyBhizAXss/vb0tgy4ASSohyWSbz8dx/ACL32ScYgEAAA== X-Change-ID: 20251215-amlogic-dma-79477d5cd264 To: Vinod Koul , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Kees Cook , "Gustavo A. R. Silva" Cc: linux-amlogic@lists.infradead.org, dmaengine@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-hardening@vger.kernel.org, Xianwei Zhao X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1772604853; l=2054; i=xianwei.zhao@amlogic.com; s=20251216; h=from:subject:message-id; bh=ITg/ig7wrS1ZXLm9pbAOjF/U8W9JlHhbHX5MT6WlX0o=; b=fjpfIMWfqpeL8CRxzINA9C5cxUZwVJX06v1o7F7JQow0xOWuh2fpVIvPAHYGlMbwtr3l+1uCn aoKAGr7CJO1BirRlQeYQnLP4NaWu+m1AD99kRobQCjxde8i/uaFBgtH X-Developer-Key: i=xianwei.zhao@amlogic.com; a=ed25519; pk=dWwxtWCxC6FHRurOmxEtr34SuBYU+WJowV/ZmRJ7H+k= X-Endpoint-Received: by B4 Relay for xianwei.zhao@amlogic.com/20251216 with auth_id=578 X-Original-From: Xianwei Zhao Reply-To: xianwei.zhao@amlogic.com Add DMA driver and bindigns for the Amlogic SoCs. Signed-off-by: Xianwei Zhao --- Changes in v5: - Rename head file and rename macro definition. - Rename the subject in [2/3] from "dma" to "dmaengine". - Link to v4: https://lore.kernel.org/r/20260227-amlogic-dma-v4-0-f25e4614e9b7@amlogic.com Changes in v4: - Support split transfer when data len > MAX_LEN. - When a module fails or exits, perform de-initialization. - Some other minor modifications. - Link to v3: https://lore.kernel.org/r/20260206-amlogic-dma-v3-0-56fb9f59ed22@amlogic.com Changes in v3: - Adjust the format of binding according to Frank's suggestion. - Some code format modified according to Frank's suggestion. - Support one prep_sg and one submit, drop multi prep_sg and one submit. - Keep pre state when resume from pause status. - Link to v2: https://lore.kernel.org/r/20260127-amlogic-dma-v2-0-4525d327d74d@amlogic.com Changes in v2: - Introduce what the DMA is used for in the A9 SoC. - Some minor modifications were made according to Krzysztof's suggestions. - Some modifications were made according to Neil's suggestions. - Fix a build error. - Link to v1: https://lore.kernel.org/r/20251216-amlogic-dma-v1-0-e289e57e96a7@amlogic.com --- Xianwei Zhao (3): dt-bindings: dma: Add Amlogic A9 SoC DMA dmaengine: amlogic: Add general DMA driver for A9 MAINTAINERS: Add an entry for Amlogic DMA driver .../devicetree/bindings/dma/amlogic,a9-dma.yaml | 65 +++ MAINTAINERS | 7 + drivers/dma/Kconfig | 9 + drivers/dma/Makefile | 1 + drivers/dma/amlogic-dma.c | 585 +++++++++++++++++++++ include/dt-bindings/dma/amlogic,a9-dma.h | 8 + 6 files changed, 675 insertions(+) --- base-commit: 3d2d1059cae3abab771576a7ee7f59d9627cfb8e change-id: 20251215-amlogic-dma-79477d5cd264 Best regards, -- Xianwei Zhao