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Commit 36e63ef3 authored by Maxime Ripard's avatar Maxime Ripard Committed by Alexandre Belloni
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dt-bindings: rtc: Convert Allwinner A10 RTC to a schema 



The older Allwinner SoCs have an embedded RTC 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.

Acked-by: default avatarChen-Yu Tsai <wens@csie.org>
Signed-off-by: default avatarMaxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: default avatarAlexandre Belloni <alexandre.belloni@bootlin.com>
parent 43390e07

Documentation/devicetree/bindings/rtc/allwinner,sun4i-a10-rtc.yaml

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# SPDX-License-Identifier: GPL-2.0

%YAML 1.2

---

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

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



title: Allwinner A10 RTC Device Tree Bindings



allOf:

  - $ref: "rtc.yaml#"



maintainers:

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

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



properties:

  compatible:

    enum:

      - allwinner,sun4i-a10-rtc

      - allwinner,sun7i-a20-rtc



  reg:

    maxItems: 1



  interrupts:

    maxItems: 1



required:

  - compatible

  - reg

  - interrupts



additionalProperties: false



examples:

  - |

    rtc: rtc@1c20d00 {

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

        reg = <0x01c20d00 0x20>;

        interrupts = <24>;

    };



...

Documentation/devicetree/bindings/rtc/sunxi-rtc.txt

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* sun4i/sun7i Real Time Clock



RTC controller for the Allwinner A10/A20



Required properties:

- compatible : Should be "allwinner,sun4i-a10-rtc" or "allwinner,sun7i-a20-rtc"

- reg: physical base address of the controller and length of memory mapped

  region.

- interrupts: IRQ line for the RTC.



Example:



rtc: rtc@1c20d00 {

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

	reg = <0x01c20d00 0x20>;

	interrupts = <24>;

};