linux-kernel - Re: [PATCH v2] dt-bindings: dma: convert atmel-dma.txt to YAML

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Message-ID: <20250123-crucial-yelp-de4a63b0e3b5@spud>
Date: Thu, 23 Jan 2025 18:46:28 +0000
From: Conor Dooley <conor@...nel.org>
To: Charan Pedumuru <charan.pedumuru@...rochip.com>
Cc: Vinod Koul <vkoul@...nel.org>, Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Nicolas Ferre <nicolas.ferre@...rochip.com>,
	Alexandre Belloni <alexandre.belloni@...tlin.com>,
	Claudiu Beznea <claudiu.beznea@...on.dev>,
	Ludovic Desroches <ludovic.desroches@...rochip.com>,
	Tudor Ambarus <tudor.ambarus@...aro.org>, dmaengine@...r.kernel.org,
	devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	Durai Manickam KR <durai.manickamkr@...rochip.com>
Subject: Re: [PATCH v2] dt-bindings: dma: convert atmel-dma.txt to YAML

On Thu, Jan 23, 2025 at 02:58:01PM +0530, Charan Pedumuru wrote:
> From: Durai Manickam KR <durai.manickamkr@...rochip.com>
> 
> Add a description, required properties, appropriate compatibles and
> missing properties like clocks and clock-names which are not defined in
> the text binding for all the SoCs that are supported by microchip.
> 
> Signed-off-by: Durai Manickam KR <durai.manickamkr@...rochip.com>
> Signed-off-by: Charan Pedumuru <charan.pedumuru@...rochip.com>
> ---
> Changes in v2:
> - Renamed the yaml file to a compatible.
> - Removed `|` and description for common properties.
> - Modified the commit message.
> - Dropped the label for the node in examples.
> - Link to v1: https://lore.kernel.org/all/20240215-dmac-v1-1-8f1c6f031c98@microchip.com
> ---
>  .../bindings/dma/atmel,at91sam9g45-dma.yaml        | 67 ++++++++++++++++++++++
>  .../devicetree/bindings/dma/atmel-dma.txt          | 42 --------------
>  2 files changed, 67 insertions(+), 42 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/dma/atmel,at91sam9g45-dma.yaml b/Documentation/devicetree/bindings/dma/atmel,at91sam9g45-dma.yaml
> new file mode 100644
> index 000000000000..8d0d68786cbc
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/dma/atmel,at91sam9g45-dma.yaml
> @@ -0,0 +1,67 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/dma/atmel,at91sam9g45-dma.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Atmel Direct Memory Access Controller (DMA)
> +
> +maintainers:
> +  - Ludovic Desroches <ludovic.desroches@...rochip.com>
> +  - Tudor Ambarus <tudor.ambarus@...aro.org>
> +
> +description:
> +  The Atmel Direct Memory Access Controller (DMAC) transfers data from a source
> +  peripheral to a destination peripheral over one or more AMBA buses. One channel
> +  is required for each source/destination pair. In the most basic configuration,
> +  the DMAC has one master interface and one channel. The master interface reads
> +  the data from a source and writes it to a destination. Two AMBA transfers are
> +  required for each DMAC data transfer. This is also known as a dual-access transfer.
> +  The DMAC is programmed via the APB interface.
> +
> +properties:
> +  compatible:
> +    oneOf:
> +      - enum:

compatible:
 enum:

You only have one option in your oneOf list.

> +          - atmel,at91sam9g45-dma
> +          - atmel,at91sam9rl-dma

Blank line here please.

> +  reg:
> +    maxItems: 1

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