| # 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: |
| enum: |
| - amlogic,a4-rtc |
| - 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>; |
| }; |
| }; |
