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Commit 2de4de20 authored by Maxime Ripard's avatar Maxime Ripard Committed by Wim Van Sebroeck
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dt-bindings: watchdog: Convert Allwinner watchdog to a schema 



The Allwinner SoCs have a watchdog supported in Linux, with a matching
Device Tree binding.

Now that we have the DT validation in place, let's convert the device tree
bindings for that controller over to a YAML schemas.

Signed-off-by: default avatarMaxime Ripard <maxime.ripard@bootlin.com>
Reviewed-by: default avatarRob Herring <robh@kernel.org>
Reviewed-by: default avatarGuenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20190821143835.7294-2-mripard@kernel.org


Signed-off-by: default avatarGuenter Roeck <linux@roeck-us.net>
Signed-off-by: default avatarWim Van Sebroeck <wim@linux-watchdog.org>
parent f9eaba57

Documentation/devicetree/bindings/watchdog/allwinner,sun4i-a10-wdt.yaml

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# SPDX-License-Identifier: GPL-2.0

%YAML 1.2

---

$id: http://devicetree.org/schemas/watchdog/allwinner,sun4i-a10-wdt.yaml#

$schema: http://devicetree.org/meta-schemas/core.yaml#



title: Allwinner A10 Watchdog Device Tree Bindings



allOf:

  - $ref: "watchdog.yaml#"



maintainers:

  - Chen-Yu Tsai <wens@csie.org>

  - Maxime Ripard <maxime.ripard@bootlin.com>



properties:

  compatible:

    oneOf:

      - const: allwinner,sun4i-a10-wdt

      - const: allwinner,sun6i-a31-wdt

      - items:

          - const: allwinner,sun50i-a64-wdt

          - const: allwinner,sun6i-a31-wdt

      - items:

          - const: allwinner,sun50i-h6-wdt

          - const: allwinner,sun6i-a31-wdt

      - items:

          - const: allwinner,suniv-f1c100s-wdt

          - const: allwinner,sun4i-a10-wdt



  reg:

    maxItems: 1



required:

  - compatible

  - reg



unevaluatedProperties: false



examples:

  - |

    wdt: watchdog@1c20c90 {

        compatible = "allwinner,sun4i-a10-wdt";

        reg = <0x01c20c90 0x10>;

        timeout-sec = <10>;

    };



...

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

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Allwinner SoCs Watchdog timer



Required properties:



- compatible : should be one of

	"allwinner,sun4i-a10-wdt"

	"allwinner,sun6i-a31-wdt"

	"allwinner,sun50i-a64-wdt","allwinner,sun6i-a31-wdt"

	"allwinner,sun50i-h6-wdt","allwinner,sun6i-a31-wdt"

	"allwinner,suniv-f1c100s-wdt", "allwinner,sun4i-a10-wdt"

- reg : Specifies base physical address and size of the registers.



Optional properties:

- timeout-sec : Contains the watchdog timeout in seconds



Example:



wdt: watchdog@1c20c90 {

	compatible = "allwinner,sun4i-a10-wdt";

	reg = <0x01c20c90 0x10>;

	timeout-sec = <10>;

};