Commit 69197b43 authored by Neil Armstrong's avatar Neil Armstrong Committed by Wim Van Sebroeck
Browse files

dt-bindings: watchdog: convert meson-wdt.txt to dt-schema 



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: default avatarKrzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: default avatarMartin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: default avatarNeil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: default avatarGuenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20221117-b4-amlogic-bindings-convert-v3-3-e28dd31e3bed@linaro.org


Signed-off-by: default avatarGuenter Roeck <linux@roeck-us.net>
Signed-off-by: default avatarWim Van Sebroeck <wim@linux-watchdog.org>
parent 71708daa

Documentation/devicetree/bindings/watchdog/amlogic,meson6-wdt.yaml

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# 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@linaro.org>

  - Martin Blumenstingl <martin.blumenstingl@googlemail.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@c1109900 {

        compatible = "amlogic,meson6-wdt";

        reg = <0xc1109900 0x8>;

        interrupts = <GIC_SPI 0 IRQ_TYPE_EDGE_RISING>;

        timeout-sec = <10>;

    };

Documentation/devicetree/bindings/watchdog/meson-wdt.txt

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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@c1109900 {

	compatible = "amlogic,meson6-wdt";

	reg = <0xc1109900 0x8>;

	timeout-sec = <10>;

};