Commit 5ded578a authored by Linus Walleij's avatar Linus Walleij Committed by Alexandre Belloni
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rtc: rtc7301: Rewrite bindings in schema 



This rewrites the Epson RTC7301 bindings to use YAML schema,
and adds a property for "reg-io-width" as used in several
other bindings to account for different register strides.

The USRobotics USR8200 uses the byte IO width.

Reviewed-by: default avatarRob Herring <robh@kernel.org>
Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
Reviewed-by: default avatarAkinobu Mita <akinobu.mita@gmail.com>
Link: https://lore.kernel.org/r/20231010-rtc-7301-regwidth-v3-1-ade586b62794@linaro.org


Signed-off-by: default avatarAlexandre Belloni <alexandre.belloni@bootlin.com>
parent f4d571b3

Documentation/devicetree/bindings/rtc/epson,rtc7301.txt

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EPSON TOYOCOM RTC-7301SF/DG



Required properties:



- compatible: Should be "epson,rtc7301sf" or "epson,rtc7301dg"

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

- interrupts: A single interrupt specifier.



Example:



rtc: rtc@44a00000 {

	compatible = "epson,rtc7301dg";

	reg = <0x44a00000 0x10000>;

	interrupt-parent = <&axi_intc_0>;

	interrupts = <3 2>;

};

Documentation/devicetree/bindings/rtc/epson,rtc7301.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/epson,rtc7301.yaml#

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



title: Epson Toyocom RTC-7301SF/DG



description:

  The only difference between the two variants is the packaging.

  The DG variant is a DIL package, and the SF variant is a flat

  package.



maintainers:

  - Akinobu Mita <akinobu.mita@gmail.com>



properties:

  compatible:

    enum:

      - epson,rtc7301dg

      - epson,rtc7301sf



  reg:

    maxItems: 1



  reg-io-width:

    description:

      The size (in bytes) of the IO accesses that should be performed

      on the device.

    enum: [1, 4]

    default: 4



  interrupts:

    maxItems: 1



required:

  - compatible

  - reg



additionalProperties: false



examples:

  - |

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

    rtc: rtc@44a00000 {

        compatible = "epson,rtc7301dg";

        reg = <0x44a00000 0x10000>;

        reg-io-width = <4>;

        interrupt-parent = <&axi_intc_0>;

        interrupts = <3 2>;

    };