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Fri, 26 Jul 2024 01:26:46 -0500 From: Abin Joseph To: , , , , , , , CC: , , , , , Subject: [PATCH 1/2] dt-bindings: dmaengine: zynqmp_dma: Add a new compatible string Date: Fri, 26 Jul 2024 11:56:38 +0530 Message-ID: <20240726062639.2609974-2-abin.joseph@amd.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240726062639.2609974-1-abin.joseph@amd.com> References: <20240726062639.2609974-1-abin.joseph@amd.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: MN1PEPF0000ECD7:EE_|PH7PR12MB7235:EE_ X-MS-Office365-Filtering-Correlation-Id: 1595868e-ef9d-4097-ce8d-08dcad3befee X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|36860700013|1800799024|376014|82310400026; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?IYzDivfo4uudG0q7r3m+FXWa3SHiTIn1WaKboVjpwVPagZavNvfh0nPBbh9P?= =?us-ascii?Q?kjCuFlw9n5/d4yAmX/3Mjs1Al21lLMGHw1OM97o3lM4LYTU1aQeHaeSAwfxE?= =?us-ascii?Q?g0kuWRC7X6upAEytgG47YG18ocPNZZlytePP4KRGsqPdBHJi7ic5VtH/QWXp?= =?us-ascii?Q?F0mpA+fap0oFmrze24VvUeiRcdb61YdG4fpbFi2zRiM0Odbio5DdNjl1LEJm?= =?us-ascii?Q?jsfmw3G5noy0u+QSsi9G0usJob3aOthLtumrLP/L6Ca3XGf962kaDEd8nWT3?= =?us-ascii?Q?wOG1phfUAl2sjdz9uHVtCXr3yDX4XYjLgILXtyKfL+qHIGHMbTrNiZSmI6za?= =?us-ascii?Q?K2w+IVjUDcV2WHoww+wTD2rp2BdS6ioM4m4IGqkBvuKeGxcGQT00F9hRt0xk?= =?us-ascii?Q?VMDEP3k/nZpRT7UJh4NGPDWtksFW/7tTdjSfrZvz29thuEAcpa2KqGZvS8Qw?= =?us-ascii?Q?LMMBF95YMj4EZLk/GKf1kEwphULFxL46/9jVWYB3HhyE4Ksrltjen8xw5VfY?= =?us-ascii?Q?14A5SX2ccGfhv+uzwqMO0Kai3RL7C6FG3Byzkfrph+jNRtXJW5p2nv7nOf0T?= =?us-ascii?Q?9G9zLCWm6GTKjSaFB5AjnF7wKvmuUbj1pSKknZuNFiNpiqbsHDc5yEaQiHjA?= =?us-ascii?Q?IJ7/G4AgZZG8Nn4cGsKq7jP1HmOgLByGOr8/CgmVSG46lExyrEX9MMc4/GPS?= =?us-ascii?Q?Kv4ewlkB7ugbCr9ycV5hp+9PxO8RpUqBxwXLMqH6Zau2VcW3rMxiU2QlVIXm?= =?us-ascii?Q?OKF6j5Ypva10Tg+SoUV4S2aD/gluUoNsuUAZS9QeiqyOg13MokRVnoQnmibs?= =?us-ascii?Q?mvhPvOvCMT18rwLhqp2qYKf+yg+16qGvz7qfSpaokgjMObFVjds/nF1wz2TB?= =?us-ascii?Q?/CzGksovz3/KcvJg6nfVW5Q5x4GxqJdg5KMZxHrGODh7l5Cd5Vcf31kVrVjk?= =?us-ascii?Q?DV8CJOKbWQLco3jHoAvU0kWaazLGwrZFqR7bDRAirQLr7vr5k6ghZnbkt+UI?= =?us-ascii?Q?zCWYLBw+deU7t5QVJLGeYH/klY0obB236ToeYObNJ82RPzFFl9vSW0U5ezNu?= =?us-ascii?Q?uO0oZH4QjUtundEQwei8LdtBcaiJQj94SNVzhyvg3stnD8DRlXbe7PMnXq8W?= =?us-ascii?Q?tBh0AWZHiY1c9o+7bDhLsnzPCbm+ALzGmd5twbviALkaKorrC3OeFYvzE8Kf?= =?us-ascii?Q?+/3e6vsQASdMoEiNyCcsAjAk77N5KCb4WU3AGNmN+Aup29bzis0CH8nsJ99T?= =?us-ascii?Q?ioW6riyYUUpXqJ4qxd+pzM1Vw3BDcJXBl7ijdJ/DWB8p5BrA+b+cQrfNFkSq?= =?us-ascii?Q?6ZykSGwuQ+9b/U4LpqELdXCuTLY7iJW6xnVedrCnBHFjGWx5YHqhxEQN/e+9?= =?us-ascii?Q?AHeVKNJyOLUauLlC/DKO/bxwY+UpnClyKJtfynXorc+2KO5HNodaGhnAGPrJ?= =?us-ascii?Q?adwxpwO+0Sfe9uQ/u6KBoqvTEJpeAzE7?= X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:SATLEXMB04.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230040)(36860700013)(1800799024)(376014)(82310400026);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 26 Jul 2024 06:26:51.6567 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 1595868e-ef9d-4097-ce8d-08dcad3befee X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: MN1PEPF0000ECD7.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH7PR12MB7235 Content-Type: text/plain; charset="utf-8" Add compatible string "amd,versal2-dma-1.0" to support AMD Versal Gen 2 platform. AMD Versal Gen 2 has 8 LPD DMA IPs in PS that can be used as general purpose DMAs which is designed to support memory to memory and memory to IO buffer transfer. Versal Gen 2 DMA IP has different interrupt register offset. Add example binding documentation for the newly added compatible string. Signed-off-by: Abin Joseph --- .../dma/xilinx/xlnx,zynqmp-dma-1.0.yaml | 17 ++++++++++++++++- 1 file changed, 16 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/dma/xilinx/xlnx,zynqmp-dma-1= .0.yaml b/Documentation/devicetree/bindings/dma/xilinx/xlnx,zynqmp-dma-1.0.= yaml index 769ce23aaac2..17f16ae7e42b 100644 --- a/Documentation/devicetree/bindings/dma/xilinx/xlnx,zynqmp-dma-1.0.yaml +++ b/Documentation/devicetree/bindings/dma/xilinx/xlnx,zynqmp-dma-1.0.yaml @@ -24,7 +24,9 @@ properties: const: 1 =20 compatible: - const: xlnx,zynqmp-dma-1.0 + enum: + - xlnx,zynqmp-dma-1.0 + - amd,versal2-dma-1.0 =20 reg: description: memory map for gdma/adma module access @@ -74,6 +76,7 @@ additionalProperties: false examples: - | #include + #include =20 fpd_dma_chan1: dma-controller@fd500000 { compatible =3D "xlnx,zynqmp-dma-1.0"; @@ -86,3 +89,15 @@ examples: xlnx,bus-width =3D <128>; dma-coherent; }; + + fpd_dma_chan2: dma-controller@ebd00000 { + compatible =3D "amd,versal2-dma-1.0"; 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Fri, 26 Jul 2024 01:26:54 -0500 Received: from xhdsneeli40.xilinx.com (10.180.168.240) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server id 15.1.2507.39 via Frontend Transport; Fri, 26 Jul 2024 01:26:50 -0500 From: Abin Joseph To: , , , , , , , CC: , , , , , Subject: [PATCH 2/2] dmaengine: zynqmp_dma: Add support for AMD Versal Gen 2 DMA IP Date: Fri, 26 Jul 2024 11:56:39 +0530 Message-ID: <20240726062639.2609974-3-abin.joseph@amd.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240726062639.2609974-1-abin.joseph@amd.com> References: <20240726062639.2609974-1-abin.joseph@amd.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: MN1PEPF0000ECDB:EE_|CY5PR12MB6407:EE_ X-MS-Office365-Filtering-Correlation-Id: 7fb355c8-e860-4db5-9b76-08dcad3bf264 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|376014|36860700013|82310400026; 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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 26 Jul 2024 06:26:55.8623 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 7fb355c8-e860-4db5-9b76-08dcad3bf264 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: MN1PEPF0000ECDB.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY5PR12MB6407 Content-Type: text/plain; charset="utf-8" ZynqMp DMA IP and AMD Versal Gen 2 DMA IP are similar but have different interrupt register offset. Create a dedicated compatible string to support Versal Gen 2 DMA IP with Irq register offset for interrupt Enable/Disable/Status/Mask functionality. Signed-off-by: Abin Joseph --- drivers/dma/xilinx/zynqmp_dma.c | 17 +++++++++++++---- 1 file changed, 13 insertions(+), 4 deletions(-) diff --git a/drivers/dma/xilinx/zynqmp_dma.c b/drivers/dma/xilinx/zynqmp_dm= a.c index f31631bef961..a5d84d746929 100644 --- a/drivers/dma/xilinx/zynqmp_dma.c +++ b/drivers/dma/xilinx/zynqmp_dma.c @@ -22,10 +22,10 @@ #include "../dmaengine.h" =20 /* Register Offsets */ -#define ZYNQMP_DMA_ISR 0x100 -#define ZYNQMP_DMA_IMR 0x104 -#define ZYNQMP_DMA_IER 0x108 -#define ZYNQMP_DMA_IDS 0x10C +#define ZYNQMP_DMA_ISR (chan->irq_offset + 0x100) +#define ZYNQMP_DMA_IMR (chan->irq_offset + 0x104) +#define ZYNQMP_DMA_IER (chan->irq_offset + 0x108) +#define ZYNQMP_DMA_IDS (chan->irq_offset + 0x10C) #define ZYNQMP_DMA_CTRL0 0x110 #define ZYNQMP_DMA_CTRL1 0x114 #define ZYNQMP_DMA_DATA_ATTR 0x120 @@ -145,6 +145,9 @@ #define tx_to_desc(tx) container_of(tx, struct zynqmp_dma_desc_sw, \ async_tx) =20 +/* IRQ Register offset for VersalGen2 */ +#define IRQ_REG_OFFSET 0x308 + /** * struct zynqmp_dma_desc_ll - Hw linked list descriptor * @addr: Buffer address @@ -211,6 +214,7 @@ struct zynqmp_dma_desc_sw { * @bus_width: Bus width * @src_burst_len: Source burst length * @dst_burst_len: Dest burst length + * @irq_offset: Irq register offset */ struct zynqmp_dma_chan { struct zynqmp_dma_device *zdev; @@ -235,6 +239,7 @@ struct zynqmp_dma_chan { u32 bus_width; u32 src_burst_len; u32 dst_burst_len; + u32 irq_offset; }; =20 /** @@ -919,6 +924,9 @@ static int zynqmp_dma_chan_probe(struct zynqmp_dma_devi= ce *zdev, return -EINVAL; } =20 + if (of_device_is_compatible(node, "amd,versal2-dma-1.0")) + chan->irq_offset =3D IRQ_REG_OFFSET; + chan->is_dmacoherent =3D of_property_read_bool(node, "dma-coherent"); zdev->chan =3D chan; tasklet_setup(&chan->tasklet, zynqmp_dma_do_tasklet); @@ -1162,6 +1170,7 @@ static void zynqmp_dma_remove(struct platform_device = *pdev) =20 static const struct of_device_id zynqmp_dma_of_match[] =3D { { .compatible =3D "xlnx,zynqmp-dma-1.0", }, + { .compatible =3D "amd,versal2-dma-1.0", }, {} }; MODULE_DEVICE_TABLE(of, zynqmp_dma_of_match); --=20 2.25.1