Commit 800b55b4 authored by Neil Armstrong's avatar Neil Armstrong Committed by Alexandre Belloni
Browse files

dt-bindings: rtc: convert rtc-meson.txt to dt-schema 



Convert the Amlogic Meson6 RTC bindings to dt-schema.

Signed-off-by: default avatarNeil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: default avatarMartin Blumenstingl <martin.blumenstingl@googlemail.com>
Reviewed-by: default avatarKrzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20221117-b4-amlogic-bindings-convert-v1-6-3f025599b968@linaro.org


Signed-off-by: default avatarAlexandre Belloni <alexandre.belloni@bootlin.com>
parent 90cd5c88

Documentation/devicetree/bindings/rtc/amlogic,meson6-rtc.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/amlogic,meson6-rtc.yaml#

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



title: Amlogic Meson6, Meson8, Meson8b and Meson8m2 RTC



maintainers:

  - Neil Armstrong <neil.armstrong@linaro.org>

  - Martin Blumenstingl <martin.blumenstingl@googlemail.com>



allOf:

  - $ref: rtc.yaml#

  - $ref: /schemas/nvmem/nvmem.yaml#



properties:

  compatible:

    enum:

      - amlogic,meson6-rtc

      - amlogic,meson8-rtc

      - amlogic,meson8b-rtc

      - amlogic,meson8m2-rtc



  reg:

    maxItems: 1



  clocks:

    maxItems: 1



  interrupts:

    maxItems: 1



  resets:

    maxItems: 1



  vdd-supply: true



required:

  - compatible

  - reg



unevaluatedProperties: false



examples:

  - |

    #include <dt-bindings/interrupt-controller/irq.h>

    #include <dt-bindings/interrupt-controller/arm-gic.h>

    rtc: rtc@740 {

        compatible = "amlogic,meson6-rtc";

        reg = <0x740 0x14>;

        interrupts = <GIC_SPI 72 IRQ_TYPE_EDGE_RISING>;

        clocks = <&rtc32k_xtal>;

        vdd-supply = <&rtc_vdd>;

        resets = <&reset_rtc>;

        #address-cells = <1>;

        #size-cells = <1>;



        mac@0 {

            reg = <0 6>;

        };

    };

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

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* Amlogic Meson6, Meson8, Meson8b and Meson8m2 RTC



Required properties:

- compatible: should be one of the following describing the hardware:

	* "amlogic,meson6-rtc"

	* "amlogic,meson8-rtc"

	* "amlogic,meson8b-rtc"

	* "amlogic,meson8m2-rtc"



- reg: physical register space for the controller's memory mapped registers.

- interrupts: the interrupt line of the RTC block.

- clocks: reference to the external 32.768kHz crystal oscillator.

- vdd-supply: reference to the power supply of the RTC block.

- resets: reset controller reference to allow reset of the controller



Optional properties for the battery-backed non-volatile memory:

- #address-cells: should be 1 to address the battery-backed non-volatile memory

- #size-cells: should be 1 to reference the battery-backed non-volatile memory



Optional child nodes:

- see ../nvmem/nvmem.txt



Example:



	rtc: rtc@740 {

		compatible = "amlogic,meson6-rtc";

		reg = <0x740 0x14>;

		interrupts = <GIC_SPI 72 IRQ_TYPE_EDGE_RISING>;

		clocks = <&rtc32k_xtal>;

		vdd-supply = <&rtc_vdd>;

		resets = <&reset RESET_RTC>;



		#address-cells = <1>;

		#size-cells = <1>;

	};