linux-kernel - Re: [PATCH v3 3/7] dt-bindings: watchdog: convert meson-wdt.txt to dt-schema

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Date:   Tue, 31 Jan 2023 09:06:06 -0800
From:   Guenter Roeck <linux@...ck-us.net>
To:     Neil Armstrong <neil.armstrong@...aro.org>
Cc:     Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Kevin Hilman <khilman@...libre.com>,
        Jerome Brunet <jbrunet@...libre.com>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        Wim Van Sebroeck <wim@...ux-watchdog.org>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Lorenzo Pieralisi <lpieralisi@...nel.org>,
        Rob Herring <robh@...nel.org>,
        Krzysztof Wilczyński <kw@...ux.com>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-amlogic@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-watchdog@...r.kernel.org, linux-media@...r.kernel.org,
        linux-mmc@...r.kernel.org, linux-pci@...r.kernel.org,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: Re: [PATCH v3 3/7] dt-bindings: watchdog: convert meson-wdt.txt to
 dt-schema

On Mon, Jan 23, 2023 at 11:10:00AM +0100, Neil Armstrong wrote:
> Convert the Amlogic Meson6 SoCs Watchdog timer bindings to dt-schema.
> 
> Take in account the used interrupts property.
> 
> The "amlogic,meson8-wdt" representation has been simplified
> since there's no users of this compatible used along the
> "amlogic,meson6-wdt".
> 
> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> Reviewed-by: Martin Blumenstingl <martin.blumenstingl@...glemail.com>
> Signed-off-by: Neil Armstrong <neil.armstrong@...aro.org>

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

> ---
>  .../bindings/watchdog/amlogic,meson6-wdt.yaml      | 50 ++++++++++++++++++++++
>  .../devicetree/bindings/watchdog/meson-wdt.txt     | 21 ---------
>  2 files changed, 50 insertions(+), 21 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/watchdog/amlogic,meson6-wdt.yaml b/Documentation/devicetree/bindings/watchdog/amlogic,meson6-wdt.yaml
> new file mode 100644
> index 000000000000..84732cb58ec4
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/watchdog/amlogic,meson6-wdt.yaml
> @@ -0,0 +1,50 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/watchdog/amlogic,meson6-wdt.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Amlogic Meson6 SoCs Watchdog timer
> +
> +maintainers:
> +  - Neil Armstrong <neil.armstrong@...aro.org>
> +  - Martin Blumenstingl <martin.blumenstingl@...glemail.com>
> +
> +allOf:
> +  - $ref: watchdog.yaml#
> +
> +properties:
> +  compatible:
> +    oneOf:
> +      - enum:
> +          - amlogic,meson6-wdt
> +          - amlogic,meson8-wdt
> +          - amlogic,meson8b-wdt
> +      - items:
> +          - const: amlogic,meson8m2-wdt
> +          - const: amlogic,meson8b-wdt
> +
> +  interrupts:
> +    maxItems: 1
> +
> +  reg:
> +    maxItems: 1
> +
> +required:
> +  - compatible
> +  - interrupts
> +  - reg
> +
> +unevaluatedProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/interrupt-controller/irq.h>
> +    #include <dt-bindings/interrupt-controller/arm-gic.h>
> +
> +    wdt: watchdog@...09900 {
> +        compatible = "amlogic,meson6-wdt";
> +        reg = <0xc1109900 0x8>;
> +        interrupts = <GIC_SPI 0 IRQ_TYPE_EDGE_RISING>;
> +        timeout-sec = <10>;
> +    };
> diff --git a/Documentation/devicetree/bindings/watchdog/meson-wdt.txt b/Documentation/devicetree/bindings/watchdog/meson-wdt.txt
> deleted file mode 100644
> index 7588cc3971bf..000000000000
> --- a/Documentation/devicetree/bindings/watchdog/meson-wdt.txt
> +++ /dev/null
> @@ -1,21 +0,0 @@
> -Meson SoCs Watchdog timer
> -
> -Required properties:
> -
> -- compatible : depending on the SoC this should be one of:
> -	"amlogic,meson6-wdt" on Meson6 SoCs
> -	"amlogic,meson8-wdt" and "amlogic,meson6-wdt" on Meson8 SoCs
> -	"amlogic,meson8b-wdt" on Meson8b SoCs
> -	"amlogic,meson8m2-wdt" and "amlogic,meson8b-wdt" on Meson8m2 SoCs
> -- reg : Specifies base physical address and size of the registers.
> -
> -Optional properties:
> -- timeout-sec: contains the watchdog timeout in seconds.
> -
> -Example:
> -
> -wdt: watchdog@...09900 {
> -	compatible = "amlogic,meson6-wdt";
> -	reg = <0xc1109900 0x8>;
> -	timeout-sec = <10>;
> -};