# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
# Copyright (C) 2024 Amlogic, Inc. All rights reserved
%YAML 1.2
---
$id:
http://devicetree.org/schemas/rtc/amlogic,a4-rtc.yaml#
$schema:
http://devicetree.org/meta-schemas/core.yaml#
title: Amlogic A4 and A5 RTC
maintainers:
- Yiting Deng <yiting.deng@amlogic.com>
- Xianwei Zhao <xianwei.zhao@amlogic.com>
allOf:
- $ref: rtc.yaml#
properties:
compatible:
oneOf:
- enum:
- amlogic,a4-rtc
- amlogic,a5-rtc
- items:
- enum:
- amlogic,c3-rtc
- const: amlogic,a5-rtc
reg:
maxItems: 1
clocks:
items:
- description: RTC clock source, available 24M or 32K crystal
oscillator source. when using 24M, need to divide 24M into 32K.
- description: RTC module accesses the clock of the apb bus.
clock-names:
items:
- const: osc
- const: sys
interrupts:
maxItems: 1
required:
- compatible
- reg
- clocks
- clock-names
- interrupts
additionalProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/arm-gic.h>
apb {
#address-cells = <2>;
#size-cells = <2>;
rtc@8e600 {
compatible = "amlogic,a4-rtc";
reg = <0x0 0x8e600 0x0 0x38>;
clocks = <&xtal_32k>, <&clkc_periphs 1>;
clock-names = "osc", "sys";
interrupts = <GIC_SPI 131 IRQ_TYPE_EDGE_RISING>;
};
};
