| # 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>; |
| }; |
