linux-kernel - Re: [PATCH] ASoC: dt-bindings: ak5558: Convert to dtschema

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Message-ID: <d1559192-8f6d-26e0-ef19-d14ac7987a74@linaro.org>
Date:   Wed, 22 Mar 2023 08:38:01 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Saalim Quadri <danascape@...il.com>, broonie@...nel.org,
        robh+dt@...nel.org, lgirdwood@...il.com,
        krzysztof.kozlowski+dt@...aro.org
Cc:     alsa-devel@...a-project.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ASoC: dt-bindings: ak5558: Convert to dtschema

On 21/03/2023 19:08, Saalim Quadri wrote:
> Convert the AK5558 ADC audio codec bindings to DT schema.
> 
> Signed-off-by: Saalim Quadri <danascape@...il.com>
> ---
>  .../devicetree/bindings/sound/ak5558.txt      | 24 ---------
>  .../devicetree/bindings/sound/ak5558.yaml     | 49 +++++++++++++++++++
>  2 files changed, 49 insertions(+), 24 deletions(-)
>  delete mode 100644 Documentation/devicetree/bindings/sound/ak5558.txt
>  create mode 100644 Documentation/devicetree/bindings/sound/ak5558.yaml
> 
> diff --git a/Documentation/devicetree/bindings/sound/ak5558.txt b/Documentation/devicetree/bindings/sound/ak5558.txt
> deleted file mode 100644
> index e28708db6686..000000000000
> --- a/Documentation/devicetree/bindings/sound/ak5558.txt
> +++ /dev/null
> @@ -1,24 +0,0 @@
> -AK5558 8 channel differential 32-bit delta-sigma ADC
> -
> -This device supports I2C mode only.
> -
> -Required properties:
> -
> -- compatible : "asahi-kasei,ak5558" or "asahi-kasei,ak5552".
> -- reg : The I2C address of the device.
> -
> -Optional properties:
> -
> -- reset-gpios: A GPIO specifier for the power down & reset pin.
> -- AVDD-supply: Analog power supply
> -- DVDD-supply: Digital power supply
> -
> -Example:
> -
> -&i2c {
> -	ak5558: adc@10 {
> -		compatible = "asahi-kasei,ak5558";
> -		reg = <0x10>;
> -		reset-gpios = <&gpio1 10 GPIO_ACTIVE_LOW>;
> -	};
> -};
> diff --git a/Documentation/devicetree/bindings/sound/ak5558.yaml b/Documentation/devicetree/bindings/sound/ak5558.yaml
> new file mode 100644
> index 000000000000..90fd734daeec
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/sound/ak5558.yaml

Missing vendor prefix, so
asahi-kasei,ak5558.yaml

> @@ -0,0 +1,49 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/sound/ak5558.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: AK5558 ADC Device Tree Bindings

drop "Device Tree Bindings"

You dropped few pieces of device description. Why? Also ADC is very
confusing.

> +
> +maintainers:
> +  - Junichi Wakasugi <wakasugi.jb@...asahi-kasei.co.jp>
> +  - Mihai Serban <mihai.serban@....com>
> +
> +properties:
> +  compatible:
> +    enum:
> +      - asahi-kasei,ak5558
> +      - asahi-kasei,ak5552

Keep them ordered by name.

> +
> +  reg:
> +    maxItems: 1
> +    description: I2C address of the device.

Drop description, obvious.

> +
> +  avdd-supply:
> +    description: A 1.8V supply that powers up the AVDD pin.
> +
> +  dvdd-supply:
> +    description: A 1.2V supply that powers up the DVDD pin.
> +
> +  reset-gpios:
> +    maxItems: 1
> +


Best regards,
Krzysztof