linux-kernel - Re: [PATCH] ASoC: dt-bindings: atmel-i2s: Convert to json-schema

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Message-ID: <3178fad9-b761-dd28-971a-007159d10695@linaro.org>
Date:   Thu, 14 Jul 2022 10:38:04 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Ryan.Wanner@...rochip.com, lgirdwood@...il.com, broonie@...nel.org,
        robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        nicolas.ferre@...rochip.com, alexandre.belloni@...tlin.com,
        claudiu.beznea@...rochip.com
Cc:     alsa-devel@...a-project.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ASoC: dt-bindings: atmel-i2s: Convert to json-schema

On 13/07/2022 18:25, Ryan.Wanner@...rochip.com wrote:
> From: Ryan Wanner <Ryan.Wanner@...rochip.com>
> 

Thank you for your patch. There is something to discuss/improve.

> Convert atmel i2s devicetree binding to json-schema.
> Change file name to match json-schema naming.
> 
> Signed-off-by: Ryan Wanner <Ryan.Wanner@...rochip.com>
> ---
>  .../bindings/sound/atmel,sama5d2-i2s.yaml     | 83 +++++++++++++++++++
>  .../devicetree/bindings/sound/atmel-i2s.txt   | 46 ----------
>  2 files changed, 83 insertions(+), 46 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/sound/atmel,sama5d2-i2s.yaml
>  delete mode 100644 Documentation/devicetree/bindings/sound/atmel-i2s.txt
> 
> diff --git a/Documentation/devicetree/bindings/sound/atmel,sama5d2-i2s.yaml b/Documentation/devicetree/bindings/sound/atmel,sama5d2-i2s.yaml
> new file mode 100644
> index 000000000000..1cadc476565c
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/sound/atmel,sama5d2-i2s.yaml
> @@ -0,0 +1,83 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +# Copyright (C) 2022 Microchip Technology, Inc. and its subsidiaries
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/sound/atmel,sama5d2-i2s.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Atmel I2S controller
> +
> +maintainers:
> +  - Nicolas Ferre <nicolas.ferre@...rochip.com>
> +  - Alexandre Belloni <alexandre.belloni@...tlin.com>
> +  - Claudiu Beznea <claudiu.beznea@...rochip.com>
> +
> +description:
> +  Atmel I2S (Inter-IC Sound Controller) bus is the standard
> +  interface for connecting audio devices, such as audio codecs.
> +
> +properties:
> +  compatible:
> +    const: atmel,sama5d2-i2s
> +
> +  reg:
> +    maxItems: 1
> +
> +  interrupts:
> +    maxItems: 1
> +
> +  clocks:
> +    description:
> +      Only the peripheral clock (pclk) is required. The generated clock (gclk)
> +      and the I2S mux clock (muxclk) are optional and should only be set together,
> +      when Master Mode is required.

Skip property description, but list and describe the items.

> +
> +  clock-names:
> +    items:
> +      - const: pclk
> +      - const: gclk
> +      - const: muxclk
> +    minItems: 1
> +
> +  dmas:
> +    description:
> +      Should be one per channel name listed in the dma-names property.
> +    maxItems: 2

Instead items+description. The description you pasted is obvious and not
helping.

> +
> +  dma-names:
> +    items:
> +      - const: tx
> +      - const: rx
> +
Best regards,
Krzysztof