{"id":2197348,"url":"http://patchwork.ozlabs.org/api/1.0/patches/2197348/?format=json","project":{"id":21,"url":"http://patchwork.ozlabs.org/api/1.0/projects/21/?format=json","name":"Linux Tegra Development","link_name":"linux-tegra","list_id":"linux-tegra.vger.kernel.org","list_email":"linux-tegra@vger.kernel.org","web_url":null,"scm_url":null,"webscm_url":null},"msgid":"<20260217173457.18628-3-akhilrajeev@nvidia.com>","date":"2026-02-17T17:34:51","name":"[2/8] dt-bindings: dma: nvidia,tegra186-gpc-dma: Make reset optional","commit_ref":null,"pull_url":null,"state":"superseded","archived":false,"hash":"69c0405bf5f8e4284e4af933d47c56568d715996","submitter":{"id":81965,"url":"http://patchwork.ozlabs.org/api/1.0/people/81965/?format=json","name":"Akhil R","email":"akhilrajeev@nvidia.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/linux-tegra/patch/20260217173457.18628-3-akhilrajeev@nvidia.com/mbox/","series":[{"id":492464,"url":"http://patchwork.ozlabs.org/api/1.0/series/492464/?format=json","date":"2026-02-17T17:34:49","name":"Add GPCDMA support in Tegra264","version":1,"mbox":"http://patchwork.ozlabs.org/series/492464/mbox/"}],"check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2197348/checks/","tags":{},"headers":{"Return-Path":"\n ","X-Original-To":["incoming@patchwork.ozlabs.org","linux-tegra@vger.kernel.org"],"Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=Nvidia.com header.i=@Nvidia.com header.a=rsa-sha256\n header.s=selector2 header.b=hVd+s8GL;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n 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dt-bindings: dma: nvidia,tegra186-gpc-dma: Make reset\n optional","Date":"Tue, 17 Feb 2026 23:04:51 +0530","Message-ID":"<20260217173457.18628-3-akhilrajeev@nvidia.com>","X-Mailer":"git-send-email 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Feb 2026 17:36:10.1521\n (UTC)","X-MS-Exchange-CrossTenant-Network-Message-Id":"\n 9e4865e9-26db-469b-a464-08de6e4b09f2","X-MS-Exchange-CrossTenant-Id":"43083d15-7273-40c1-b7db-39efd9ccc17a","X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp":"\n TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.118.233];Helo=[mail.nvidia.com]","X-MS-Exchange-CrossTenant-AuthSource":"\n\tSJ1PEPF00002315.namprd03.prod.outlook.com","X-MS-Exchange-CrossTenant-AuthAs":"Anonymous","X-MS-Exchange-CrossTenant-FromEntityHeader":"HybridOnPrem","X-MS-Exchange-Transport-CrossTenantHeadersStamped":"MN0PR12MB5905"},"content":"In Tegra264 and Tegra234, GPCDMA reset control is not exposed to Linux\nand is handled by BPMP. In Tegra234 BPMP supported a dummy reset which\njust return success on reset without doing an actual reset. This as well\nis not supported in Tegra264 BPMP. Therefore mark 'reset' and 'reset-names'\nproperty as required only for devices prior to Tegra234.\n\nSigned-off-by: Akhil R \n---\n .../bindings/dma/nvidia,tegra186-gpc-dma.yaml | 19 ++++++++++++++-----\n 1 file changed, 14 insertions(+), 5 deletions(-)","diff":"diff --git a/Documentation/devicetree/bindings/dma/nvidia,tegra186-gpc-dma.yaml b/Documentation/devicetree/bindings/dma/nvidia,tegra186-gpc-dma.yaml\nindex 542e9cb9f641..9457d406428f 100644\n--- a/Documentation/devicetree/bindings/dma/nvidia,tegra186-gpc-dma.yaml\n+++ b/Documentation/devicetree/bindings/dma/nvidia,tegra186-gpc-dma.yaml\n@@ -16,9 +16,6 @@ maintainers:\n - Rajesh Gumasta \n - Akhil R \n \n-allOf:\n- - $ref: dma-controller.yaml#\n-\n properties:\n compatible:\n oneOf:\n@@ -68,12 +65,24 @@ required:\n - compatible\n - reg\n - interrupts\n- - resets\n- - reset-names\n - \"#dma-cells\"\n - iommus\n - dma-channel-mask\n \n+allOf:\n+ - $ref: dma-controller.yaml#\n+ - if:\n+ properties:\n+ compatible:\n+ contains:\n+ enum:\n+ - nvidia,tegra186-gpcdma\n+ - nvidia,tegra194-gpcdma\n+ then:\n+ required:\n+ - resets\n+ - reset-names\n+\n additionalProperties: false\n \n examples:\n","prefixes":["2/8"]}