xref: /freebsd-src/sys/contrib/device-tree/Bindings/rtc/microcrystal,rv3032.yaml (revision 84943d6f38e936ac3b7a3947ca26eeb27a39f938)

# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/rtc/microcrystal,rv3032.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Microchip RV-3032 RTC

allOf:
  - $ref: rtc.yaml#

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

properties:
  compatible:
    const: microcrystal,rv3032

  reg:
    maxItems: 1

  interrupts:
    maxItems: 1

  start-year: true

  trickle-resistor-ohms:
    enum:
      - 1000
      - 2000
      - 7000
      - 11000

  trickle-voltage-millivolt:
    $ref: /schemas/types.yaml#/definitions/uint32
    enum:
      - 1750
      - 3000
      - 4400

  wakeup-source: true

required:
  - compatible
  - reg

additionalProperties: false

examples:
  - |
    #include <dt-bindings/interrupt-controller/irq.h>
    i2c {
        #address-cells = <1>;
        #size-cells = <0>;

        rtc@51 {
            compatible = "microcrystal,rv3032";
            reg = <0x51>;
            pinctrl-0 = <&rtc_nint_pins>;
            interrupts-extended = <&gpio1 16 IRQ_TYPE_LEVEL_HIGH>;
            trickle-resistor-ohms = <7000>;
            trickle-voltage-millivolt = <1750>;
        };
    };

...