linux-kernel - Re: [PATCH 1/2] dt-bindings: watchdog: marvell octeonTX2 GTI watchdog driver

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Message-ID: <20230324203437.GA2439497-robh@kernel.org>
Date:   Fri, 24 Mar 2023 15:34:37 -0500
From:   Rob Herring <robh@...nel.org>
To:     Bharat Bhushan <bbhushan2@...vell.com>
Cc:     wim@...ux-watchdog.org, linux@...ck-us.net,
        krzysztof.kozlowski+dt@...aro.org, linux-watchdog@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] dt-bindings: watchdog: marvell octeonTX2 GTI
 watchdog driver

On Fri, Mar 24, 2023 at 08:26:51PM +0530, Bharat Bhushan wrote:
> Add binding documentation for the Marvell octeonTX2
> GTI watchdog driver.
> 
> Signed-off-by: Bharat Bhushan <bbhushan2@...vell.com>
> ---
>  .../watchdog/marvel-octeontx2-wdt.yaml        | 43 +++++++++++++++++++

The comics?

Use compatible string for filename.

>  1 file changed, 43 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/watchdog/marvel-octeontx2-wdt.yaml
> 
> diff --git a/Documentation/devicetree/bindings/watchdog/marvel-octeontx2-wdt.yaml b/Documentation/devicetree/bindings/watchdog/marvel-octeontx2-wdt.yaml
> new file mode 100644
> index 000000000000..586b3c1bd780
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/watchdog/marvel-octeontx2-wdt.yaml
> @@ -0,0 +1,43 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/watchdog/marvel-octeontx2-wdt.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Marvell OcteonTX2 GTI watchdog
> +
> +allOf:
> +  - $ref: "watchdog.yaml#"

Drop quotes

> +
> +maintainers:
> +  - Bharat Bhushan <bbhushan2@...vell.com>
> +
> +properties:
> +  compatible:
> +    enum:
> +      - mrvl,octeontx2-gti-wdt

'mrvl' is deprecated. Use 'marvell'

> +
> +  reg:
> +    maxItems: 2

Need to define what each entry is.

> +
> +  interrupts:
> +    minItems: 1
> +    maxItems: 36

Need to define what each entry is. How does the h/w have a variable 
number of interrupts?

> +
> +required:
> + - compatible
> + - reg
> + - interrupts
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    watch-dog@...000040000 {

watchdog@...

> +      compatible = "mrvl,octeontx2-gti-wdt";
> +      reg = <0x8020 0x40000 0x0 0x20000>;
> +      interrupts = <0 38 1>, /* Core-0 */
> +                   <0 39 1>; /* Core-1 */
> +    };
> +
> +...
> -- 
> 2.17.1
>