linux-kernel - Re: [PATCH] dt-bindings:iio:adc:st,spear600-adc: txt to yaml format conversion.

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Message-ID: <20250423201201.GA983074-robh@kernel.org>
Date: Wed, 23 Apr 2025 15:12:01 -0500
From: Rob Herring <robh@...nel.org>
To: Rodrigo Gobbi <rodrigo.gobbi.7@...il.com>
Cc: jic23@...nel.org, ~lkcamp/patches@...ts.sr.ht,
	linux-iio@...r.kernel.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] dt-bindings:iio:adc:st,spear600-adc: txt to yaml format
 conversion.

On Tue, Apr 22, 2025 at 11:14:23PM -0300, Rodrigo Gobbi wrote:
> Straight forward conversion from spear-adc.txt into yaml format.
> 
> Signed-off-by: Rodrigo Gobbi <rodrigo.gobbi.7@...il.com>
> ---
> After the conversion to yaml file, I was not sure about the
> maintainers yaml field. It looks like the original driver author,
> Stefan Roese, is not active contributing.
> @Jonathan, I was not sure about it and I've added you on that field
> as I've noticed at other yaml`s, but feel free to give any suggestions on that
> or how to proceed in this case.

That's fine I think, or you can add the spear platform maintainers.

> 
> Also noticed that the driver was moved out of staging, but the .txt was not
> in that time. Added the yaml in the proper path (out of staging as the driver).
> Tks and best regards.
> ---
>  .../bindings/iio/adc/st,spear600-adc.yaml     | 61 +++++++++++++++++++
>  .../bindings/staging/iio/adc/spear-adc.txt    | 24 --------
>  2 files changed, 61 insertions(+), 24 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/iio/adc/st,spear600-adc.yaml
>  delete mode 100644 Documentation/devicetree/bindings/staging/iio/adc/spear-adc.txt
> 
> diff --git a/Documentation/devicetree/bindings/iio/adc/st,spear600-adc.yaml b/Documentation/devicetree/bindings/iio/adc/st,spear600-adc.yaml
> new file mode 100644
> index 000000000000..a858b3f3c494
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/iio/adc/st,spear600-adc.yaml
> @@ -0,0 +1,61 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/iio/adc/st,spear600-adc.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: ST SPEAr ADC device driver
> +
> +maintainers:
> +  - Jonathan Cameron <jic23@...nel.org>
> +
> +description: |
> +  Integrated ADC inside the ST SPEAr SoC, SPEAr600, supporting
> +  10-bit resolution. Datasheet can be found here:
> +  https://www.st.com/resource/en/datasheet/spear600.pdf
> +
> +properties:
> +  compatible:
> +    enum:
> +      - st,spear600-adc

blank line

> +  reg:
> +    maxItems: 1
> +
> +  interrupts:
> +    maxItems: 1
> +
> +  sampling-frequency:
> +    $ref: /schemas/types.yaml#/definitions/uint32
> +    description:
> +      Default sampling frequency of the ADC

Constraints?

> +
> +  vref-external:
> +    $ref: /schemas/types.yaml#/definitions/uint32
> +    description:
> +      External voltage reference in milli-volts. If omitted
> +      the internal voltage reference will be used.

Constraints?

> +
> +  average-samples:
> +    $ref: /schemas/types.yaml#/definitions/uint32
> +    description:
> +      Number of samples to generate an average value. If
> +      omitted, single data conversion will be used.

Constraints?

> +
> +required:
> +  - compatible
> +  - reg
> +  - interrupts
> +  - sampling-frequency
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    adc: adc@...00000 {
> +        compatible = "st,spear600-adc";
> +        reg = <0xd8200000 0x1000>;
> +        interrupt-parent = <&vic1>;
> +        interrupts = <6>;
> +        sampling-frequency = <5000000>;
> +        vref-external = <2500>;	/* 2.5V VRef */
> +    };
> diff --git a/Documentation/devicetree/bindings/staging/iio/adc/spear-adc.txt b/Documentation/devicetree/bindings/staging/iio/adc/spear-adc.txt
> deleted file mode 100644
> index 88bc94fe1f6d..000000000000
> --- a/Documentation/devicetree/bindings/staging/iio/adc/spear-adc.txt
> +++ /dev/null
> @@ -1,24 +0,0 @@
> -* ST SPEAr ADC device driver
> -
> -Required properties:
> -- compatible: Should be "st,spear600-adc"
> -- reg: Address and length of the register set for the device
> -- interrupts: Should contain the ADC interrupt
> -- sampling-frequency: Default sampling frequency
> -
> -Optional properties:
> -- vref-external: External voltage reference in milli-volts. If omitted
> -  the internal voltage reference will be used.
> -- average-samples: Number of samples to generate an average value. If
> -  omitted, single data conversion will be used.
> -
> -Examples:
> -
> -	adc: adc@...00000 {
> -		compatible = "st,spear600-adc";
> -		reg = <0xd8200000 0x1000>;
> -		interrupt-parent = <&vic1>;
> -		interrupts = <6>;
> -		sampling-frequency = <5000000>;
> -		vref-external = <2500>;	/* 2.5V VRef */
> -	};
> -- 
> 2.47.0
>