linux-kernel - Re: [PATCH] ASoC: dt-bindings: dialog,da7219: convert to dtschema

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Date:   Thu, 18 May 2023 21:56:44 +0100
From:   Conor Dooley <conor@...nel.org>
To:     David Rau <David.Rau.opensource@...renesas.com>
Cc:     krzysztof.kozlowski+dt@...aro.org, support.opensource@...semi.com,
        lgirdwood@...il.com, broonie@...nel.org, robh+dt@...nel.org,
        conor+dt@...nel.org, alsa-devel@...a-project.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ASoC: dt-bindings: dialog,da7219: convert to dtschema

Hey David,

On Thu, May 18, 2023 at 09:14:49AM +0000, David Rau wrote:
> - Convert Dialog DA7219 bindings to DT schema format.
> - Add Jack insertion detection polarity selection.
> - Remove unused `dlg,ldo-lvl` parameter.

Could you please split this out, so that the conversion is done in a
patch of its own, with the addition separate (unless it is my
unfamiliarity with sound at play, and the addition is required as part
of the conversion).

> diff --git a/Documentation/devicetree/bindings/sound/dialog,da7219.yaml b/Documentation/devicetree/bindings/sound/dialog,da7219.yaml
> new file mode 100644
> index 000000000000..32dfc4559052
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/sound/dialog,da7219.yaml
> @@ -0,0 +1,240 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/sound/dialog,da7219.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Dialog Semiconductor DA7219 Audio Codec
> +
> +maintainers:
> +  - David Rau <David.Rau.opensource@...renesas.com>
> +
> +description:
> +  The DA7219 is an ultra low-power audio codec with
> +  in-built advanced accessory detection (AAD) for mobile
> +  computing and accessory applications, which supports
> +  sample rates up to 96 kHz at 24-bit resolution.
> +
> +properties:
> +  compatible:
> +    enum:
> +      - dlg,da7219

This is just a const.

> +  reg:
> +    description:
> +      The I2C slave address of the DA7219.
> +    maxItems: 1

Drop the description please, it's stating the obvious IMO.

> +  interrupts:
> +    description:
> +      Interrupt for DA7219 IRQ line.
> +    maxItems: 1

Ditto here.

> +
> +  VDD-supply:
> +    description:
> +      VDD power supply for the device.

I would say and here, but there seem to be dozens of other similar
properties in sound.

> +
> +  VDDMIC-supply:
> +    description:
> +      VDDMIC power supply for the device.
> +
> +  VDDIO-supply:
> +    description:
> +      VDDIO power supply for the device.
> +
> +  interrupt-names:
> +    description:
> +      Name associated with interrupt line.
> +      Should be "wakeup" if interrupt is to be used to wake system,
> +      otherwise "irq" should be used.

Please encode these names using the items: field. + oneOf.

> +
> +  wakeup-source:

type: boolean

> +    description:
> +      Flag to indicate this device can wake system (suspend/resume).
> +
> +  "#clock-cells":
> +    description:
> +      Two clock sources provided.

Drop the description here please.

> +    const: 1
> +
> +  clock-output-names:
> +    description:
> +      Names given for DAI clock outputs (WCLK & BCLK).

Please encode these as items:

> +
> +  clocks:
> +    description:
> +      phandle and clock specifier for codec MCLK.

maxItems: 1 & given the clock name I think you can drop both
descriptions from here and clock-names.


> +  "da7219_aad":

Drop the quotes please.

> +      dlg,jack-ins-det-pty:
> +        enum: ["low", "high"]
> +        description:
> +          Polarity for jack insertion detection.
> +        $ref: /schemas/types.yaml#/definitions/string
> +        $ref: /schemas/types.yaml#/definitions/uint32

Yeah, please do the change from txt -> yaml as one patch and this as
another.

Cheers,
Conor.


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