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(unknown [172.20.64.188]) by smtprelay.cixcomputing.com (Postfix) with ESMTPSA id 473B64126F9B; Wed, 25 Mar 2026 19:22:00 +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 v6 1/2] dma: arm-dma350: enable ANYCH interrupt for shared IRQ wiring Date: Wed, 25 Mar 2026 19:21:58 +0800 Message-Id: <20260325112159.663881-2-jun.guo@cixtech.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260325112159.663881-1-jun.guo@cixtech.com> References: <20260325112159.663881-1-jun.guo@cixtech.com> 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 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: TY2PEPF0000AB83:EE_|JH0PR06MB6581:EE_ X-MS-Office365-Filtering-Correlation-Id: e4343c19-d5fb-4620-f9c2-08de8a60bcb4 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|36860700016|7416014|376014|82310400026|921020|56012099003|18002099003|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)(7416014)(376014)(82310400026)(921020)(56012099003)(18002099003)(22082099003);DIR:OUT;SFP:1102; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: rLSgBHwHcuKpu0xowvsPGP0oS8C/yvn4ZgEOWKtGQWcEPjIa16CMDX4WCj/9oNDDKBHJmKNyd/tTITINdxKXG32oJUclcy5C7Ltz/D0LN2h68ZuCsLJVI1nbDqN4/pqd63qUExj77nstNti+G25irS2m8Y1OgvwW7UChveBr/N/g256e/YBwjKe5lmVlb1s0544BBHanE4KIhRLM9RtwWAkasYly0Qa7h9w7aPelcT9SM482hpnNHi730/NacmVwQXx6HZoAvpEu8yeWitfafjT+UBjhwcuw9uC7/nTyk33i+iF97/PwFNUmFinQMSeQQp1/udIMbea4NDISMoHxbMhGxx4BioUHdTU9Cg/eR1ZUL/Uqa+1C9qcagXryklxbOZwhaZS44u8ga7nNcWK3YaJGnv1phBjqAhh42ejoT0Xeaa67lbZ0HiPX/g74+mk/ X-OriginatorOrg: cixtech.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 25 Mar 2026 11:22:01.8228 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: e4343c19-d5fb-4620-f9c2-08de8a60bcb4 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: TY2PEPF0000AB83.apcprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: JH0PR06MB6581 Content-Type: text/plain; charset="utf-8" Enable DMANSECCTRL.INTREN_ANYCHINTR during probe so channel interrupts are propagated when integrators wire DMA-350 channels onto a shared IRQ line. Signed-off-by: Jun Guo --- drivers/dma/arm-dma350.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/dma/arm-dma350.c b/drivers/dma/arm-dma350.c index 84220fa83029..09403aca8bb0 100644 --- a/drivers/dma/arm-dma350.c +++ b/drivers/dma/arm-dma350.c @@ -13,6 +13,11 @@ #include "dmaengine.h" #include "virt-dma.h" =20 +#define DMANSECCTRL 0x200 + +#define NSEC_CTRL 0x0c +#define INTREN_ANYCHINTR_EN BIT(0) + #define DMAINFO 0x0f00 =20 #define DMA_BUILDCFG0 0xb0 @@ -582,6 +587,10 @@ static int d350_probe(struct platform_device *pdev) dmac->dma.device_issue_pending =3D d350_issue_pending; INIT_LIST_HEAD(&dmac->dma.channels); =20 + reg =3D readl_relaxed(base + DMANSECCTRL + NSEC_CTRL); + writel_relaxed(reg | INTREN_ANYCHINTR_EN, + base + DMANSECCTRL + NSEC_CTRL); + /* Would be nice to have per-channel caps for this... */ memset =3D true; for (int i =3D 0; i < nchan; i++) { --=20 2.34.1 From nobody Fri Apr 3 01:28:28 2026 Received: from SEYPR02CU001.outbound.protection.outlook.com (mail-koreacentralazon11023073.outbound.protection.outlook.com [40.107.44.73]) (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 654F53CBE99; 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(unknown [172.20.64.188]) by smtprelay.cixcomputing.com (Postfix) with ESMTPSA id AA5104126F9C; Wed, 25 Mar 2026 19:22:00 +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 v6 2/2] arm64: dts: cix: add sky1 DMA-350 node with channel IRQ entries Date: Wed, 25 Mar 2026 19:21:59 +0800 Message-Id: <20260325112159.663881-3-jun.guo@cixtech.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260325112159.663881-1-jun.guo@cixtech.com> References: <20260325112159.663881-1-jun.guo@cixtech.com> 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 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SG2PEPF000B66CE:EE_|TYZPR06MB7064:EE_ X-MS-Office365-Filtering-Correlation-Id: 300dd731-bc0e-47b6-1f3c-08de8a60bc88 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|36860700016|7416014|376014|82310400026|921020|22082099003|56012099003|18002099003; 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)(7416014)(376014)(82310400026)(921020)(22082099003)(56012099003)(18002099003);DIR:OUT;SFP:1102; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: n6lYf50P59ALdV4g3jMNjUfSz/6yMVgcnCdQK0Joaj6o1EVTZGAKmdSbfz0uQdOv/DymfwYMHUa0qv1LrTl1ATBgPaltW79Nrz8lyv6k5i9vGEasSIdb0L1eDB+qFSMnIDBuqGPo8s+Etbv8cH5YeuKentt6PyUZTdjGF7b0CQoVcCHS1GEWemX7LIbsIQS2skY9oTJJzDXUT2uST+/iURQdo3s1b4JWAgbEuLaF/LwHeqeTLwHIbBxUTu2YhIshpZ3byytbj8tXjsj/n4LvVDzvbekmxrsZuE45nUpu5dgNhmxfre064/jgaGZ0huWkEVhQ2VbwUGGGhntXScEd55G92HR5JhXlYXxqC6x3IaKdY9wdUO0fPNXJxku0SgwGDsvwQDJydaNW9atKWYLa1ZZgpci4e8oyh8aeMrL07xgMwahNYH1IW7HSFJtsUX0Z X-OriginatorOrg: cixtech.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 25 Mar 2026 11:22:01.6075 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 300dd731-bc0e-47b6-1f3c-08de8a60bc88 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: SG2PEPF000B66CE.apcprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: TYZPR06MB7064 Content-Type: text/plain; charset="utf-8" Describe the DMA-350 channel interrupt sources in DT using 8 interrupt entries, while all entries map to the same GIC SPI as wired on this platform. Signed-off-by: Jun Guo --- arch/arm64/boot/dts/cix/sky1.dtsi | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/arch/arm64/boot/dts/cix/sky1.dtsi b/arch/arm64/boot/dts/cix/sk= y1.dtsi index 210739beac6d..ca3403df6e8b 100644 --- a/arch/arm64/boot/dts/cix/sky1.dtsi +++ b/arch/arm64/boot/dts/cix/sky1.dtsi @@ -480,6 +480,20 @@ iomuxc: pinctrl@4170000 { reg =3D <0x0 0x04170000 0x0 0x1000>; }; =20 + fch_dmac: dma-controller@4190000 { + compatible =3D "arm,dma-350"; + reg =3D <0x0 0x4190000 0x0 0x10000>; + interrupts =3D , + , + , + , + , + , + , + ; + #dma-cells =3D <1>; + }; + mbox_ap2se: mailbox@5060000 { compatible =3D "cix,sky1-mbox"; reg =3D <0x0 0x05060000 0x0 0x10000>; --=20 2.34.1