Document the Analog Devices MAX31335 device tree bindings. Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com> Link: https://lore.kernel.org/r/20231120120114.48657-1-antoniu.miclaus@analog.com Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
71 lines
1.6 KiB
YAML
71 lines
1.6 KiB
YAML
# 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";
|
|
};
|
|
};
|
|
...
|