linux-kernel - Re: [PATCH 1/2] dt-bindings: iio: adc: ep93xx: Add cirrus,ep9301-adc description

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Message-ID: <8bb988fc-54d2-2528-e34f-0097c0654b7d@linaro.org>
Date:   Thu, 15 Dec 2022 09:42:33 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Alexander Sverdlin <alexander.sverdlin@...il.com>,
        linux-iio@...r.kernel.org
Cc:     Hartley Sweeten <hsweeten@...ionengravers.com>,
        Jonathan Cameron <jic23@...nel.org>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] dt-bindings: iio: adc: ep93xx: Add cirrus,ep9301-adc
 description

On 14/12/2022 23:20, Alexander Sverdlin wrote:
> Add device tree bindings for Cirrus Logic EP9301/EP9302 internal SoCs' ADC
> block.
> 
> Signed-off-by: Alexander Sverdlin <alexander.sverdlin@...il.com>
> ---
>  .../bindings/iio/adc/cirrus,ep9301-adc.yaml   | 58 +++++++++++++++++++
>  MAINTAINERS                                   |  2 +
>  2 files changed, 60 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/iio/adc/cirrus,ep9301-adc.yaml
> 
> diff --git a/Documentation/devicetree/bindings/iio/adc/cirrus,ep9301-adc.yaml b/Documentation/devicetree/bindings/iio/adc/cirrus,ep9301-adc.yaml
> new file mode 100644
> index 000000000000..d0fd24d1be04
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/iio/adc/cirrus,ep9301-adc.yaml
> @@ -0,0 +1,58 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/iio/adc/cirrus,ep9301-adc.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Cirrus Logic EP930x internal ADC
> +
> +description: |
> +  Cirrus Logic EP9301/EP9302 SoCs' internal ADC block.
> +
> +  User's manual:
> +  https://cdn.embeddedts.com/resource-attachments/ts-7000_ep9301-ug.pdf
> +
> +maintainers:
> +  - Alexander Sverdlin <alexander.sverdlin@...il.com>
> +
> +properties:
> +  compatible:
> +    const: cirrus,ep9301-adc
> +
> +  reg:
> +    maxItems: 1
> +
> +  clocks:
> +    maxItems: 1
> +
> +  clock-names:
> +    const: ep93xx-adc

One entry with same name as device is not really useful, so maybe just
drop it?

> +
> +  interrupts:
> +    maxItems: 1
> +
> +required:
> +  - compatible
> +  - reg
> +  - clocks
> +  - clock-names
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/clock/cirrus,ep93xx-clock.h>
> +    soc {
> +        #address-cells = <1>;
> +        #size-cells = <1>;

I think you do not need the soc node as examples are built with
address/size-cells=1

Best regards,
Krzysztof