| # 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: | |
| enum: | |
| - adi,max31331 | |
| - 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"; | |
| }; | |
| }; | |
| ... |