55 lines
981 B
YAML
55 lines
981 B
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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$id: http://devicetree.org/schemas/timer/arm,armv7m-systick.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: ARMv7M System Timer
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maintainers:
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- Alexandre Torgue <alexandre.torgue@foss.st.com>
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- Fabrice Gasnier <fabrice.gasnier@foss.st.com>
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description: ARMv7-M includes a system timer, known as SysTick.
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properties:
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compatible:
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const: arm,armv7m-systick
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reg:
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maxItems: 1
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clocks:
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maxItems: 1
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clock-frequency: true
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oneOf:
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- required:
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- clocks
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- required:
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- clock-frequency
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required:
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- compatible
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- reg
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additionalProperties: false
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examples:
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- |
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timer@e000e010 {
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compatible = "arm,armv7m-systick";
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reg = <0xe000e010 0x10>;
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clocks = <&clk_systick>;
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};
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- |
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timer@e000e010 {
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compatible = "arm,armv7m-systick";
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reg = <0xe000e010 0x10>;
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clock-frequency = <90000000>;
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};
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...
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