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Wed, 4 Nov 2026 19:34:11 +0000 Date: Wed, 4 Nov 2026 13:34:04 -0600 From: Frank Li To: Jelly Jia Cc: vkoul@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, robin.murphy@arm.com, devicetree@vger.kernel.org, Frank.Li@kernel.org, cix-kernel-upstream@cixtech.com, dmaengine@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v5 3/5] dt-bindings: dma: arm,dma-350: Document optional clocks and resets Message-ID: References: <20261104124411.296640-1-Jelly.Jia@cixtech.com> <20261104124411.296640-4-Jelly.Jia@cixtech.com> Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20261104124411.296640-4-Jelly.Jia@cixtech.com> X-ClientProxiedBy: DS7PR03CA0057.namprd03.prod.outlook.com (2603:10b6:5:3b5::32) To MI3PR04MB12438.eurprd04.prod.outlook.com (2603:10a6:290:76::14) X-Archived-By: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: MI3PR04MB12438:EE_|AMCPR04MB12646:EE_ X-MS-Office365-Filtering-Correlation-Id: 5a1d5439-7d92-46b8-e9d9-08df3aaa9a3d X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|19092799006|7416014|1800799024|366016|23010399003|6133799003|10067099003|22082099003|18002099003|261102123227099003|4143699003|261021123027099003|11063799006|261022105027099003|261009223027099003|261028144727099003|261021121427099003|56012099006|261026121527099003|261026140227099003; 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Sky1 provides a clock for both its FCH and AUDSS instances, and > a reset for the AUDSS instance. Document these standard resources on the > DMA controller node. > > Neither property is required, so existing device trees are unchanged. > > Signed-off-by: Jelly Jia > --- > .../devicetree/bindings/dma/arm,dma-350.yaml | 16 +++++++++++++--- > 1 file changed, 13 insertions(+), 3 deletions(-) > > diff --git a/Documentation/devicetree/bindings/dma/arm,dma-350.yaml b/Documentation/devicetree/bindings/dma/arm,dma-350.yaml > index 429f682f15d8..43279878207c 100644 > --- a/Documentation/devicetree/bindings/dma/arm,dma-350.yaml > +++ b/Documentation/devicetree/bindings/dma/arm,dma-350.yaml > @@ -9,9 +9,6 @@ title: Arm CoreLink DMA-350 Controller > maintainers: > - Robin Murphy > > -allOf: > - - $ref: dma-controller.yaml# > - > properties: > compatible: > const: arm,dma-350 Suppose you should add front compatible string and fall back to arm,dma-350 and use front compatible at if branch to restrict clocks and resets. Frank > @@ -36,9 +33,22 @@ properties: > const: 1 > description: The cell is the trigger input number > > + clocks: > + maxItems: 1 > + description: > + Optional bus clock, where the integration gates the controller clock. > + > + resets: > + maxItems: 1 > + description: > + Optional reset line, where the integration exposes one. > + > required: > - compatible > - reg > - interrupts > > +allOf: > + - $ref: dma-controller.yaml# > + > unevaluatedProperties: false > -- > 2.54.0 >