Commit 539cbe1b authored by Fabio Estevam's avatar Fabio Estevam Committed by Alexandre Belloni
Browse files

dt-bindings: rtc: pcf8523: Convert to YAML 



Convert the PCF8523 bindings from text format to YAML.

The YAML format is preferred as it allows validation.

Signed-off-by: default avatarFabio Estevam <festevam@denx.de>
Reviewed-by: default avatarSam Ravnborg <sam@ravnborg.org>
Reviewed-by: default avatarKrzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230905220826.79901-1-festevam@gmail.com


Signed-off-by: default avatarAlexandre Belloni <alexandre.belloni@bootlin.com>
parent cf3cce41

Documentation/devicetree/bindings/rtc/nxp,pcf8523.txt

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* NXP PCF8523 Real Time Clock



Required properties:

- compatible: Should contain "nxp,pcf8523".

- reg: I2C address for chip.



Optional property:

- quartz-load-femtofarads: The capacitive load of the quartz(x-tal),

  expressed in femto Farad (fF). Valid values are 7000 and 12500.

  Default value (if no value is specified) is 12500fF.



Example:



pcf8523: rtc@68 {

	compatible = "nxp,pcf8523";

	reg = <0x68>;

	quartz-load-femtofarads = <7000>;

};

Documentation/devicetree/bindings/rtc/nxp,pcf8523.yaml

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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)

%YAML 1.2

---

$id: http://devicetree.org/schemas/rtc/nxp,pcf8523.yaml#

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



title: NXP PCF8523 Real Time Clock



maintainers:

  - Sam Ravnborg <sam@ravnborg.org>



allOf:

  - $ref: rtc.yaml#



properties:

  compatible:

    const: nxp,pcf8523



  reg:

    maxItems: 1



  quartz-load-femtofarads:

    description:

      The capacitive load of the crystal, expressed in femto Farad (fF).

    enum: [ 7000, 12500 ]

    default: 12500



required:

  - compatible

  - reg



unevaluatedProperties: false



examples:

  - |

    i2c {

        #address-cells = <1>;

        #size-cells = <0>;



        rtc@68 {

            compatible = "nxp,pcf8523";

            reg = <0x68>;

            quartz-load-femtofarads = <7000>;

        };

    };