linux-kernel - Re: [PATCH 3/4] dt-bindings: power: reset: atmel,sama5d2-shdwc: convert to yaml

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Message-ID: <20230523-remission-ageless-0880ed49765d@spud>
Date:   Tue, 23 May 2023 19:49:05 +0100
From:   Conor Dooley <conor@...nel.org>
To:     Claudiu Beznea <claudiu.beznea@...rochip.com>
Cc:     robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        conor.dooley@...rochip.com, nicolas.ferre@...rochip.com,
        alexandre.belloni@...tlin.com, sre@...nel.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org
Subject: Re: [PATCH 3/4] dt-bindings: power: reset: atmel,sama5d2-shdwc:
 convert to yaml

Hey Claudiu,

On Tue, May 23, 2023 at 09:15:11AM +0300, Claudiu Beznea wrote:
> Convert Atmel SAMA5D2 shutdown controller to YAML.
> 
> Signed-off-by: Claudiu Beznea <claudiu.beznea@...rochip.com>
> ---
>  .../devicetree/bindings/arm/atmel-sysregs.txt |  63 ----------
>  .../power/reset/atmel,sama5d2-shdwc.yaml      | 114 ++++++++++++++++++
>  2 files changed, 114 insertions(+), 63 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/power/reset/atmel,sama5d2-shdwc.yaml
> 
> diff --git a/Documentation/devicetree/bindings/power/reset/atmel,sama5d2-shdwc.yaml b/Documentation/devicetree/bindings/power/reset/atmel,sama5d2-shdwc.yaml
> new file mode 100644
> index 000000000000..613668d6099b
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/power/reset/atmel,sama5d2-shdwc.yaml
> @@ -0,0 +1,114 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)

Same comment on the license here. Figure you need a Rob Ack.

> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/power/reset/atmel,sama5d2-shdwc.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Atmel SAMA5D2 SHDWC Shutdown Controller
> +
> +maintainers:
> +  - Claudiu Beznea <claudiu.beznea@...rochip.com>
> +
> +description: |

Also, you don't need the | if you do not need to preserve formatting.

> +  Atmel SHDWC shutdown controller controls the power supplies VDDIO and VDDCORE
> +  and the wake-up detection on debounced input lines.
> +
> +properties:
> +  compatible:
> +    oneOf:
> +      - items:
> +          - const: microchip,sama7g5-shdwc
> +          - const: syscon

^ you should probably mention in the commit message where the syscon
came from, as it doesn't appear in the txt binding AFAICT.

> +      - items:
> +          enum:
> +            - atmel,sama5d2-shdwc
> +            - microchip,sam9x60-shdwc
> +
> +  reg:
> +    maxItems: 1
> +
> +  clocks:
> +    maxItems: 1
> +
> +  "#address-cells":
> +    const: 1
> +
> +  "#size-cells":
> +    const: 0
> +
> +  debounce-delay-us:
> +    description: |
> +      Minimum wake-up inputs debouncer period in microseconds. It is usually a
> +      board-related property.
> +
> +  atmel,wakeup-rtc-timer:
> +    description: enable real-time clock wake-up
> +    type: boolean
> +
> +patternProperties:
> +  "^input@[0-15]$":
> +    description: |
> +      Wake-up input nodes. These are usually described in the "board" part of
> +      the Device Tree. Note also that input 0 is linked to the wake-up pin and
> +      is frequently used.
> +    type: object
> +    properties:
> +      reg:
> +        description: contains the wake-up input index
> +        enum: [ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 ]

Same here with minimum & maximum, no?

Otherwise, this seems fine to me...

Cheers,
Conor.


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