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Message-ID: <95aca760-c17c-eb96-bcfb-85f20124812b@linaro.org>
Date:   Sat, 10 Jun 2023 18:33:45 +0200
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Subject: Re: [PATCH v5 4/4] ASoC: dt-bindings: Add tas2781 amplifier
Content-Language: en-US
To:     Shenghao Ding <13916275206@139.com>, broonie@kernel.org,
        devicetree@vger.kernel.org, krzysztof.kozlowski+dt@linaro.org,
        robh+dt@kernel.org, lgirdwood@gmail.com, perex@perex.cz,
        pierre-louis.bossart@linux.intel.com
Cc:     kevin-lu@ti.com, shenghao-ding@ti.com, alsa-devel@alsa-project.org,
        linux-kernel@vger.kernel.org, x1077012@ti.com, peeyush@ti.com,
        navada@ti.com, gentuser@gmail.com, Ryan_Chu@wistron.com,
        Sam_Wu@wistron.com, tiwai@suse.de
References: <20230610141821.576926-1-13916275206@139.com>
From:   Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
In-Reply-To: <20230610141821.576926-1-13916275206@139.com>
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Precedence: bulk

On 10/06/2023 16:18, Shenghao Ding wrote:
> Create tas2781.yaml for tas2781 driver.
> 
> Signed-off-by: Shenghao Ding <13916275206@139.com>

We keep telling you that your email threading is broken. It still is
makes reviewers life more difficult. Maintainer as well as applying is
not straightforward.

Why this is not improved?

> 
> ---
> Changes in v5:
>  - remove ti,broadcast-addr
>  - remove address-cells
>  - remove size-cells
>  - put compatible item first in properties
>  - change the maxItems of reg from 4 to 8
>  - remove white space around <>
>  - correct the reg format to <0x38>, <0x3a> etc
>  - remove '\t' in the file
>  - correct a comment in the example
> ---
>  .../devicetree/bindings/sound/ti,tas2781.yaml | 73 +++++++++++++++++++
>  1 file changed, 73 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/sound/ti,tas2781.yaml
> 
> diff --git a/Documentation/devicetree/bindings/sound/ti,tas2781.yaml b/Documentation/devicetree/bindings/sound/ti,tas2781.yaml
> new file mode 100644
> index 000000000000..61db14a39630
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/sound/ti,tas2781.yaml
> @@ -0,0 +1,73 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +# Copyright (C) 2022 - 2023 Texas Instruments Incorporated
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/sound/ti,tas2781.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Texas Instruments TAS2781 SmartAMP
> +
> +maintainers:
> +  - Shenghao Ding <shenghao-ding@ti.com>
> +
> +description:
> +  The TAS2781 is a mono, digital input Class-D audio amplifier
> +  optimized for efficiently driving high peak power into small
> +  loudspeakers. Integrated an on-chip DSP supports Texas Instruments
> +  Smart Amp speaker protection algorithm. The integrated speaker
> +  voltage and current sense provides for real time
> +  monitoring of loudspeaker behavior.
> +
> +allOf:
> +  - $ref: dai-common.yaml#
> +
> +properties:
> +  compatible:
> +    enum:
> +      - ti,tas2781
> +
> +  reg:
> +    description:
> +      I2C address, in multiple tas2781s case, all the i2c address
> +      aggreate as one Audio Device to support multiple audio slots.
> +    maxItems: 8
> +    items:
> +      minimum: 0x38
> +      maximum: 0x3f

It does not look like you tested the bindings, at least after quick
look. Please run `make dt_binding_check` (see
Documentation/devicetree/bindings/writing-schema.rst for instructions).

You miss here minItems.


Best regards,
Krzysztof