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- # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
- %YAML 1.2
- ---
- $id: http://devicetree.org/schemas/rtc/adi,max31335.yaml#
- $schema: http://devicetree.org/meta-schemas/core.yaml#
- title: Analog Devices MAX31335 RTC
- maintainers:
- - Antoniu Miclaus <antoniu.miclaus@analog.com>
- description:
- Analog Devices MAX31335 I2C RTC ±2ppm Automotive Real-Time Clock with
- Integrated MEMS Resonator.
- allOf:
- - $ref: rtc.yaml#
- properties:
- compatible:
- const: adi,max31335
- reg:
- maxItems: 1
- interrupts:
- maxItems: 1
- "#clock-cells":
- description:
- RTC can be used as a clock source through its clock output pin.
- const: 0
- adi,tc-diode:
- description:
- Select the diode configuration for the trickle charger.
- schottky - Schottky diode in series.
- standard+schottky - standard diode + Schottky diode in series.
- enum: [schottky, standard+schottky]
- trickle-resistor-ohms:
- description:
- Selected resistor for trickle charger. Should be specified if trickle
- charger should be enabled.
- enum: [3000, 6000, 11000]
- required:
- - compatible
- - reg
- unevaluatedProperties: false
- examples:
- - |
- #include <dt-bindings/interrupt-controller/irq.h>
- i2c {
- #address-cells = <1>;
- #size-cells = <0>;
- rtc@68 {
- compatible = "adi,max31335";
- reg = <0x68>;
- pinctrl-0 = <&rtc_nint_pins>;
- interrupts-extended = <&gpio1 16 IRQ_TYPE_LEVEL_HIGH>;
- aux-voltage-chargeable = <1>;
- trickle-resistor-ohms = <6000>;
- adi,tc-diode = "schottky";
- };
- };
- ...
|
