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(unknown [172.20.64.188]) by smtprelay.cixcomputing.com (Postfix) with ESMTPSA id 1FF574126F97; Tue, 24 Mar 2026 20:01:14 +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, Frank.Li@kernel.org 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 v5 1/3] dt-bindings: dma: arm-dma350: document combined and per-channel IRQ topologies Date: Tue, 24 Mar 2026 20:01:11 +0800 Message-Id: <20260324120113.3681830-2-jun.guo@cixtech.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260324120113.3681830-1-jun.guo@cixtech.com> References: <20260324120113.3681830-1-jun.guo@cixtech.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: TY2PEPF0000AB8A:EE_|KL1PR06MB6491:EE_ Content-Type: text/plain X-MS-Office365-Filtering-Correlation-Id: 9d05b991-7653-4df8-4b05-08de899d0d57 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|36860700016|82310400026|376014|7416014|921020|18002099003|56012099003|22082099003; X-Microsoft-Antispam-Message-Info: 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 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)(1800799024)(36860700016)(82310400026)(376014)(7416014)(921020)(18002099003)(56012099003)(22082099003);DIR:OUT;SFP:1102; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 7rd2Pe2soIBxuch9Je1HQocdL+FSIBf+DrbpjTYc4+J9iw6iFo2fpHtpguubcgbBlNyU/2glOXHbOwM7wvTMkd7uRJYmP+WktpOS/LavRacCR4WJvJQCPHl/lQO7df1uzOCrLVRMR0KMQ65QuqDQg+lUU6rCFUl7d9Ob05kQv9VDxLIJAvc/1DaEizdDH+VC5a8NeFM8ckYQEAWcuddwhzilF+DZh5MIsUJ5IPyr4+KS2BDjhwGcvCBGmoXleVYP8NLIKYSgUDlAc33wbzhmUFN1Jufc+kj4iaQABIWcWwTtP6ApYYgOQt2M8XpSehYFyC5AKfEPTZqZlogbxtr2ZDNHxSjA1pYbR1SnWmHrHrpIT8kCv9lM+vnqatqHZr+tOYIC4+2Tcif1Mg66VR4SjSBX/Q0dXZDn1s6RWDOE6AIF9HTWZCy9Lt9svogFKOKb X-OriginatorOrg: cixtech.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 24 Mar 2026 12:01:15.5931 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 9d05b991-7653-4df8-4b05-08de899d0d57 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: TY2PEPF0000AB8A.apcprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: KL1PR06MB6491 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260324_050127_224126_854DC181 X-CRM114-Status: UNSURE ( 8.23 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Document the interrupt topologies supported by DMA-350 integration: - one combined interrupt for all channels, or - one interrupt per channel (up to 8 channels). Assisted-by: Cursor:GPT-5.3-Codex Signed-off-by: Jun Guo --- .../devicetree/bindings/dma/arm,dma-350.yaml | 25 ++++++++++++------- 1 file changed, 16 insertions(+), 9 deletions(-) diff --git a/Documentation/devicetree/bindings/dma/arm,dma-350.yaml b/Documentation/devicetree/bindings/dma/arm,dma-350.yaml index 429f682f15d8..bec9dc32541b 100644 --- a/Documentation/devicetree/bindings/dma/arm,dma-350.yaml +++ b/Documentation/devicetree/bindings/dma/arm,dma-350.yaml @@ -22,15 +22,22 @@ properties: interrupts: minItems: 1 - items: - - description: Channel 0 interrupt - - description: Channel 1 interrupt - - description: Channel 2 interrupt - - description: Channel 3 interrupt - - description: Channel 4 interrupt - - description: Channel 5 interrupt - - description: Channel 6 interrupt - - description: Channel 7 interrupt + maxItems: 8 + description: + Either one interrupt per channel (8 interrupts), or one + combined interrupt for all channels. + oneOf: + - items: + - description: Channel 0 interrupt + - description: Channel 1 interrupt + - description: Channel 2 interrupt + - description: Channel 3 interrupt + - description: Channel 4 interrupt + - description: Channel 5 interrupt + - description: Channel 6 interrupt + - description: Channel 7 interrupt + - items: + - description: Combined interrupt shared by all channels "#dma-cells": const: 1 -- 2.34.1