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Message-ID: <8bd37e11-2861-7877-0321-3f89cd088532@linaro.org>
Date:   Wed, 26 Jul 2023 13:15:14 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     like@...nic.com, lgirdwood@...il.com, broonie@...nel.org,
        robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        conor+dt@...nel.org
Cc:     linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        liweilei@...nic.com, liangdong@...nic.com, wangweidong.a@...nic.com
Subject: Re: [PATCH V1 2/2] regulator: aw37503: add device-tree binding

On 26/07/2023 10:16, like@...nic.com wrote:
> From: Alec Li <like@...nic.com>
> 
> Add aw37503 regulator device-tree binding documentation

subject rather like:
regulator: dt-bindings: Add Awinic aw37503

> 
> Signed-off-by: Alec Li <like@...nic.com>
> ---
>  .../bindings/regulator/awinic,aw37503.yaml    | 73 +++++++++++++++++++
>  1 file changed, 73 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/regulator/awinic,aw37503.yaml
> 
> diff --git a/Documentation/devicetree/bindings/regulator/awinic,aw37503.yaml b/Documentation/devicetree/bindings/regulator/awinic,aw37503.yaml
> new file mode 100644
> index 000000000000..0cd6fb001e20
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/regulator/awinic,aw37503.yaml
> @@ -0,0 +1,73 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/regulator/awinic,aw37503.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Awinic AW37503 Voltage Regulator
> +
> +maintainers:
> +  - Alec Li <like@...nic.com>
> +
> +description: |

Do not need '|' unless you need to preserve formatting.

> +  The AW37503 is dual voltage regulator, designed to support positive/negative
> +  supply for driving TFT-LCD panels. It support software-configurable output
> +  switching and monitoring. The output voltages can be programmed via an I2C
> +  compatible interface.
> +
> +properties:
> +  compatible:
> +    const:
> +      - awinic,aw37503

This has to be in one line. As pointed out by Rob's bot: please test it
before sending.

> +
> +  reg:
> +    maxItems: 1
> +
> +  patternProperties:

<sigh>

> +    "^out[pn]$":
> +      type: object
> +      $ref: regulator.yaml#
> +      unvaluatedproperties: false
> +
> +      required:
> +        - regulator-name
> +        - enable-gpios

regulator.yaml does not define enable-gpios, so you must define it in
properties.

> +
> +      additionalProperties: false

Drop, you already have unevaluatedProperties.

> +
> +required:
> +  - compatible
> +  - reg
> +  - outp
> +  - outn
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/gpio/gpio.h>
> +
> +    i2c {
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +
> +        aw37503@3e {

Node names should be generic. See also an explanation and list of
examples (not exhaustive) in DT specification:
https://devicetree-specification.readthedocs.io/en/latest/chapter2-devicetree-basics.html#generic-names-recommendation


Best regards,
Krzysztof

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