linux-kernel - Re: [PATCH v4 1/2] dt-bindings: watchdog: Add NXP Software Watchdog Timer

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Message-ID: <485cec53-4e98-4abc-8e5f-96a8a0efb563@roeck-us.net>
Date: Fri, 11 Apr 2025 20:23:05 -0700
From: Guenter Roeck <linux@...ck-us.net>
To: Daniel Lezcano <daniel.lezcano@...aro.org>, wim@...ux-watchdog.org
Cc: linux-watchdog@...r.kernel.org, linux-kernel@...r.kernel.org,
 S32@....com, ghennadi.procopciuc@....com, thomas.fossati@...aro.org,
 robh@...nel.org, krzk+dt@...nel.org, conor+dt@...nel.org,
 devicetree@...r.kernel.org, alexandru-catalin.ionita@....com
Subject: Re: [PATCH v4 1/2] dt-bindings: watchdog: Add NXP Software Watchdog
 Timer

On 4/10/25 01:26, Daniel Lezcano wrote:
> Describe the Software Watchdog Timer available on the S32G platforms.
> 
> Cc: Ghennadi Procopciuc <ghennadi.procopciuc@....com>
> Cc: Thomas Fossati <thomas.fossati@...aro.org>
> Signed-off-by: Daniel Lezcano <daniel.lezcano@...aro.org>

Reviewed-by: Guenter Roeck <linux@...ck-us.net>

> ---
>   .../bindings/watchdog/nxp,s32g2-swt.yaml      | 54 +++++++++++++++++++
>   1 file changed, 54 insertions(+)
>   create mode 100644 Documentation/devicetree/bindings/watchdog/nxp,s32g2-swt.yaml
> 
> diff --git a/Documentation/devicetree/bindings/watchdog/nxp,s32g2-swt.yaml b/Documentation/devicetree/bindings/watchdog/nxp,s32g2-swt.yaml
> new file mode 100644
> index 000000000000..8f168a05b50c
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/watchdog/nxp,s32g2-swt.yaml
> @@ -0,0 +1,54 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/watchdog/nxp,s32g2-swt.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: NXP Software Watchdog Timer (SWT)
> +
> +maintainers:
> +  - Daniel Lezcano <daniel.lezcano@...nel.org>
> +
> +allOf:
> +  - $ref: watchdog.yaml#
> +
> +properties:
> +  compatible:
> +    oneOf:
> +      - const: nxp,s32g2-swt
> +      - items:
> +          - const: nxp,s32g3-swt
> +          - const: nxp,s32g2-swt
> +
> +  reg:
> +    maxItems: 1
> +
> +  clocks:
> +    items:
> +      - description: Counter clock
> +      - description: Module clock
> +      - description: Register clock
> +
> +  clock-names:
> +    items:
> +      - const: counter
> +      - const: module
> +      - const: register
> +
> +required:
> +  - compatible
> +  - reg
> +  - clocks
> +  - clock-names
> +
> +unevaluatedProperties: false
> +
> +examples:
> +  - |
> +    watchdog@...00000 {
> +        compatible = "nxp,s32g2-swt";
> +        reg = <0x40100000 0x1000>;
> +        clocks = <&clks 0x3a>, <&clks 0x3b>, <&clks 0x3c>;
> +        clock-names = "counter", "module", "register";
> +        timeout-sec = <10>;
> +    };