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(unknown [172.20.64.188]) by smtprelay.cixcomputing.com (Postfix) with ESMTPSA id CDA9B41C0143; Mon, 17 Nov 2025 09:59:43 +0800 (CST) From: Jun Guo To: peter.chen@cixtech.com, fugang.duan@cixtech.com, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, vkoul@kernel.org, ychuang3@nuvoton.com, schung@nuvoton.com, robin.murphy@arm.com Cc: dmaengine@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, cix-kernel-upstream@cixtech.com, linux-arm-kernel@lists.infradead.org, Jun Guo Subject: [PATCH 0/3] dmaengine: arm-dma350: add support for shared interrupt mode Date: Mon, 17 Nov 2025 09:59:40 +0800 Message-Id: <20251117015943.2858-1-jun.guo@cixtech.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SG2PEPF000B66CD:EE_|TYSPR06MB6469:EE_ Content-Type: text/plain X-MS-Office365-Filtering-Correlation-Id: c4f4b3e9-adf2-4a11-fb8a-08de257cfaf2 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|82310400026|7416014|36860700013|376014|1800799024; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?ZFIYyULzhceYqGp1GSTscazmrRxb0KfxYqw8bMCO/5timJpJGNW3412qRm+b?= =?us-ascii?Q?I/N1KhY3bjY4u83uyGGJfb++DEKfgD3qs0Xbh6wmSa0/UpfswsYAz+vrGIpf?= =?us-ascii?Q?TNl3ShnNfYYC7mUUOIKXawI8BLVONN+8zmKctH9vVf+D0VyCcuztKIa3GdRi?= =?us-ascii?Q?JQFY4lVk8Uk83ZAqBmVOGS+0EW1LBYkepaZxDyvh2wdVLGXD8mJjCPv1CcZX?= =?us-ascii?Q?WYj/3ti86u1Jbhqv1z8KEBTP5gEl3SIXgYOljmp0si473RxSDOklnjwcpwXV?= =?us-ascii?Q?Mr+xaYIeIVzJccs54s+CeIL4h/pdBNNzRwJD5FH8ZJDF0b9v81LBBW4qU6kq?= =?us-ascii?Q?H3D68iDnYkcgnGvWoAgQT0NxAhTwVM2gdmFtf5urf6hRUdL7L2Mv8wMyA9Nd?= =?us-ascii?Q?k1nfCFxRGJBq3rdfa87Zzx+4KblEzOFkNIuReKDin7lwmw+o6N4pbjkCb++e?= =?us-ascii?Q?rIhGjGBOhjS6zVFMNwF0qS8cqynAO/f5LjWQ2JaT4igjBdHNda0lyjZ5Ir07?= =?us-ascii?Q?CmAJXQqV/i20fLCrRGZ401DYVDF/a4oZc+8OpTmTUYnxfo/NEHfFTZKCIXP7?= =?us-ascii?Q?xKS6375ks8+FVAK9I95Z8jl3U908SldvOkMQBBGhm0DT4RWWD9PBS1DCDvU3?= =?us-ascii?Q?6i/lcra0TopzcM/nogtiioh3rInaGR5H276XYksNLXoUZGmT5wjjVxvxHweM?= =?us-ascii?Q?MSaaBEOASym7Fm63o0hzdrZRpB+FHL1SsZ9GDaflGmdo7yHZMuJ+wz2OYLHZ?= =?us-ascii?Q?wygh90yF7OpbLZZR6B9iAyjPaQ5/fEUghjKMEjpU2suF3jNObIF7/2sO4d+X?= =?us-ascii?Q?ap7UhEnHTC6OnsuLl8Eyj5y069hEFRHr1Z45Qy+w9dSmizgcBfv30TovJD+G?= =?us-ascii?Q?f9IAV3nxwCgv2bTYWJhS8SSsC0LHHXIaf4MTbFsnGP2QLlX+mSeCjjEc8Ky0?= =?us-ascii?Q?7xWQbfIDqOsu9qoqB55QN4SoaUM7rhvMZEqy106XCp6d3EY6Dl80xmeC0giF?= =?us-ascii?Q?7PtaWOHspvn/qbLI/DKhNsbC8yvPj8SWpRep+wx9SZFpbYh8oJ3YIsFUHyse?= =?us-ascii?Q?XUATg5A1QDQGm85BepyBQKsO8onW2Hv6z4o5ReD1AhI8Re9iObAnMP1xVGqL?= =?us-ascii?Q?A14m5oSHvB5bDNH6ra2ZuU44F3kbBzDKdwyiwD0ZNmsZ4qhMNpv9kvLyITtX?= =?us-ascii?Q?/pioWuYtX/macCUA1lzeJLzh90lKk5n2c2U3IDA29YVY4gBLYe5TfiiaWrlW?= =?us-ascii?Q?D3YHLSqJght6hMIVeeKJgv3DaxdU4v5tVbRknFETsveGbvBt5nvyz8dstWs4?= =?us-ascii?Q?4TY1YUUz94wyIL+Ua6edITHcZIHmhAHgOOdhEsgVV6/6Jb3Wc2ZAvuReUFwb?= =?us-ascii?Q?Tx9JE+YljT5QDas32PLhZCmwfGEwxDolmfkvx06YhUN+oFHMJSJpEdz20nl2?= =?us-ascii?Q?eQzRvBSbvlDClbQh/cKr2Xjj7IyhRz8YbAEj4j6wDFpNdG8j+hIYUyA6snyB?= =?us-ascii?Q?Mqe8Qq0xLfeqcURayTfyP/vGYB6RmHGPs+bwJ/FBoPJFv2qTXqREOnvFdA7S?= =?us-ascii?Q?Ultjct+tJFqo3p399u0=3D?= X-Forefront-Antispam-Report: CIP:222.71.101.198;CTRY:CN;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:smtprelay.cixcomputing.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230040)(82310400026)(7416014)(36860700013)(376014)(1800799024);DIR:OUT;SFP:1102; X-OriginatorOrg: cixtech.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 17 Nov 2025 01:59:44.7934 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: c4f4b3e9-adf2-4a11-fb8a-08de257cfaf2 X-MS-Exchange-CrossTenant-Id: 0409f77a-e53d-4d23-943e-ccade7cb4811 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=0409f77a-e53d-4d23-943e-ccade7cb4811;Ip=[222.71.101.198];Helo=[smtprelay.cixcomputing.com] X-MS-Exchange-CrossTenant-AuthSource: SG2PEPF000B66CD.apcprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: TYSPR06MB6469 The arm dma350 controller's hardware implementation varies: some designs dedicate a separate interrupt line for each channel, while others have all channels sharing a single interrupt.This patch adds support for the hardware design where all DMA channels share a single interrupt. This series introduces the following enhancements for arm dma350 controller support on arm64 platforms: Patch 1: Add a compatible string "cix,sky1-dma-350" for the cix sky1 SoC. Patch 2: Implement support for the shared interrupt design of the DMA controller. Patch 3: add DT nodes for DMA. The patches have been tested on CIX SKY1 platform, the test steps are as follows: % echo 2000 > /sys/module/dmatest/parameters/timeout % echo 1 > /sys/module/dmatest/parameters/iterations % echo " " > /sys/module/dmatest/parameters/channel % echo 1 > /sys/module/dmatest/parameters/run Jun Guo (3): dt-bindings: dma: arm-dma350: update DT binding docs dma: arm-dma350: add support for shared interrupt mode arm64: dts: cix: add DT nodes for DMA .../devicetree/bindings/dma/arm,dma-350.yaml | 6 +- arch/arm64/boot/dts/cix/sky1.dtsi | 7 ++ drivers/dma/arm-dma350.c | 115 ++++++++++++++++-- 3 files changed, 117 insertions(+), 11 deletions(-) -- 2.34.1