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