Commit f743c41d authored by Rob Herring's avatar Rob Herring
Browse files

dt-bindings: rtc: nxp,pcf8563: Convert to DT schema 



Convert the Philips PCF8563/Epson RTC8564 binding to DT schema format.

Add 'interrupts' and 'wakeup-source' as this device has an interrupt
which was not documented, but in use. Add 'start-year' as well.

Cc: Alexandre Belloni <alexandre.belloni@bootlin.com>
Reviewed-by: default avatarLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: default avatarAlexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: default avatarRob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210526184839.2937899-3-robh@kernel.org
parent 9f3849be

Documentation/devicetree/bindings/rtc/nxp,pcf8563.yaml

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# SPDX-License-Identifier: GPL-2.0

%YAML 1.2

---

$id: http://devicetree.org/schemas/rtc/nxp,pcf8563.yaml#

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



title: Philips PCF8563/Epson RTC8564 Real Time Clock



maintainers:

  - Alexandre Belloni <alexandre.belloni@bootlin.com>



allOf:

  - $ref: rtc.yaml#



properties:

  compatible:

    enum:

      - epson,rtc8564

      - microcrystal,rv8564

      - nxp,pcf8563

      - nxp,pca8565



  reg:

    maxItems: 1



  "#clock-cells":

    const: 0



  clock-output-names:

    maxItems: 1



  interrupts:

    maxItems: 1



  start-year: true

  wakeup-source: true



required:

  - compatible

  - reg



additionalProperties: false



examples:

  - |

    i2c {

        #address-cells = <1>;

        #size-cells = <0>;



        rtc@51 {

            compatible = "nxp,pcf8563";

            reg = <0x51>;

            #clock-cells = <0>;

        };

    };

...

Documentation/devicetree/bindings/rtc/pcf8563.txt

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* Philips PCF8563/Epson RTC8564 Real Time Clock



Philips PCF8563/Epson RTC8564 Real Time Clock



Required properties:

- compatible: Should contain "nxp,pcf8563",

	"epson,rtc8564" or

	"microcrystal,rv8564" or

	"nxp,pca8565"

- reg: I2C address for chip.



Optional property:

- #clock-cells: Should be 0.

- clock-output-names:

  overwrite the default clock name "pcf8563-clkout"



Example:



pcf8563: pcf8563@51 {

	compatible = "nxp,pcf8563";

	reg = <0x51>;

	#clock-cells = <0>;

};



device {

...

	clocks = <&pcf8563>;

...

};