arm,armv7m-systick.yaml (981B)
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/timer/arm,armv7m-systick.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: ARMv7M System Timer 8 9maintainers: 10 - Alexandre Torgue <alexandre.torgue@foss.st.com> 11 - Fabrice Gasnier <fabrice.gasnier@foss.st.com> 12 13description: ARMv7-M includes a system timer, known as SysTick. 14 15properties: 16 compatible: 17 const: arm,armv7m-systick 18 19 reg: 20 maxItems: 1 21 22 clocks: 23 maxItems: 1 24 25 clock-frequency: true 26 27oneOf: 28 - required: 29 - clocks 30 - required: 31 - clock-frequency 32 33required: 34 - compatible 35 - reg 36 37additionalProperties: false 38 39examples: 40 - | 41 timer@e000e010 { 42 compatible = "arm,armv7m-systick"; 43 reg = <0xe000e010 0x10>; 44 clocks = <&clk_systick>; 45 }; 46 47 - | 48 timer@e000e010 { 49 compatible = "arm,armv7m-systick"; 50 reg = <0xe000e010 0x10>; 51 clock-frequency = <90000000>; 52 }; 53 54...