linux-kernel - Re: [PATCH 1/2] dt-bindings: watchdog: Add Apple Watchdog

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Date:   Sat, 13 Nov 2021 22:07:42 +0100 (CET)
From:   Mark Kettenis <mark.kettenis@...all.nl>
To:     Sven Peter <sven@...npeter.dev>
Cc:     robh+dt@...nel.org, devicetree@...r.kernel.org, sven@...npeter.dev,
        wim@...ux-watchdog.org, linux@...ck-us.net, marcan@...can.st,
        alyssa@...enzweig.io, linux-kernel@...r.kernel.org,
        linux-watchdog@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 1/2] dt-bindings: watchdog: Add Apple Watchdog

> From: Sven Peter <sven@...npeter.dev>
> Date: Sat, 13 Nov 2021 10:47:31 +0100
> 
> Apple SoCs come with a simple embedded watchdog. This watchdog is also
> required in order to reset the SoC.
> 
> Signed-off-by: Sven Peter <sven@...npeter.dev>
> ---
>  .../bindings/watchdog/apple,wdt.yaml          | 52 +++++++++++++++++++
>  MAINTAINERS                                   |  1 +
>  2 files changed, 53 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/watchdog/apple,wdt.yaml
> 
> diff --git a/Documentation/devicetree/bindings/watchdog/apple,wdt.yaml b/Documentation/devicetree/bindings/watchdog/apple,wdt.yaml
> new file mode 100644
> index 000000000000..e58c56a6fdf6
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/watchdog/apple,wdt.yaml
> @@ -0,0 +1,52 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/watchdog/apple,wdt.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Apple SoC Watchdog
> +
> +allOf:
> +  - $ref: "watchdog.yaml#"

I believew this should be:

  - $ref: /schemas/watchdog/watchdog.yaml#

with that fixed:

Reviewed-by: Mark Kettenis <kettenis@...nbsd.org>


> +
> +maintainers:
> +  - Sven Peter <sven@...npeter.dev>
> +
> +properties:
> +  compatible:
> +    items:
> +      - enum:
> +          - apple,t8103-wdt
> +          - apple,t6000-wdt
> +      - const: apple,wdt
> +
> +  reg:
> +    maxItems: 1
> +
> +  clocks:
> +    maxItems: 1
> +
> +  interrupts:
> +    maxItems: 1
> +
> +required:
> +  - compatible
> +  - reg
> +  - clocks
> +  - interrupts
> +
> +unevaluatedProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/interrupt-controller/apple-aic.h>
> +    #include <dt-bindings/interrupt-controller/irq.h>
> +
> +    wdt: watchdog@...00000 {
> +        compatible = "apple,t8103-wdt", "apple,wdt";
> +        reg = <0x50000000 0x4000>;
> +        clocks = <&clk>;
> +        interrupts = <AIC_IRQ 123 IRQ_TYPE_LEVEL_HIGH>;
> +    };
> +
> +...
> diff --git a/MAINTAINERS b/MAINTAINERS
> index 5b7a13f706fa..ba480837724d 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -1749,6 +1749,7 @@ F:	Documentation/devicetree/bindings/interrupt-controller/apple,aic.yaml
>  F:	Documentation/devicetree/bindings/mailbox/apple,mailbox.yaml
>  F:	Documentation/devicetree/bindings/pci/apple,pcie.yaml
>  F:	Documentation/devicetree/bindings/pinctrl/apple,pinctrl.yaml
> +F:	Documentation/devicetree/bindings/watchdog/apple,wdt.yaml
>  F:	arch/arm64/boot/dts/apple/
>  F:	drivers/i2c/busses/i2c-pasemi-core.c
>  F:	drivers/i2c/busses/i2c-pasemi-platform.c
> -- 
> 2.25.1
> 
>