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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/rtc/nvidia,tegra20-rtc.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: NVIDIA Tegra real-time clock
maintainers:
- Thierry Reding <thierry.reding@gmail.com>
- Jon Hunter <jonathanh@nvidia.com>
description: |
The Tegra RTC maintains seconds and milliseconds counters, and five
alarm registers. The alarms and other interrupts may wake the system
from low-power state.
properties:
compatible:
oneOf:
- const: nvidia,tegra20-rtc
- items:
- enum:
- nvidia,tegra30-rtc
- nvidia,tegra114-rtc
- nvidia,tegra124-rtc
- nvidia,tegra210-rtc
- nvidia,tegra186-rtc
- nvidia,tegra194-rtc
- nvidia,tegra234-rtc
- const: nvidia,tegra20-rtc
reg:
maxItems: 1
interrupts:
maxItems: 1
clocks:
maxItems: 1
clock-names:
items:
- const: rtc
additionalProperties: false
required:
- compatible
- reg
- interrupts
- clocks
examples:
- |
timer@7000e000 {
compatible = "nvidia,tegra20-rtc";
reg = <0x7000e000 0x100>;
interrupts = <0 2 0x04>;
clocks = <&tegra_car 4>;
};
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