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+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/timer/arm,armv7m-systick.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: ARMv7M System Timer
+
+maintainers:
+ - Alexandre Torgue <alexandre.torgue@foss.st.com>
+ - Fabrice Gasnier <fabrice.gasnier@foss.st.com>
+
+description: ARMv7-M includes a system timer, known as SysTick.
+
+properties:
+ compatible:
+ const: arm,armv7m-systick
+
+ reg:
+ maxItems: 1
+
+ clocks:
+ maxItems: 1
+
+ clock-frequency: true
+
+oneOf:
+ - required:
+ - clocks
+ - required:
+ - clock-frequency
+
+required:
+ - compatible
+ - reg
+
+additionalProperties: false
+
+examples:
+ - |
+ timer@e000e010 {
+ compatible = "arm,armv7m-systick";
+ reg = <0xe000e010 0x10>;
+ clocks = <&clk_systick>;
+ };
+
+ - |
+ timer@e000e010 {
+ compatible = "arm,armv7m-systick";
+ reg = <0xe000e010 0x10>;
+ clock-frequency = <90000000>;
+ };
+
+...