162306a36Sopenharmony_ci# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 262306a36Sopenharmony_ci%YAML 1.2 362306a36Sopenharmony_ci--- 462306a36Sopenharmony_ci$id: http://devicetree.org/schemas/timer/nxp,sysctr-timer.yaml# 562306a36Sopenharmony_ci$schema: http://devicetree.org/meta-schemas/core.yaml# 662306a36Sopenharmony_ci 762306a36Sopenharmony_cititle: NXP System Counter Module(sys_ctr) 862306a36Sopenharmony_ci 962306a36Sopenharmony_cimaintainers: 1062306a36Sopenharmony_ci - Bai Ping <ping.bai@nxp.com> 1162306a36Sopenharmony_ci 1262306a36Sopenharmony_cidescription: | 1362306a36Sopenharmony_ci The system counter(sys_ctr) is a programmable system counter 1462306a36Sopenharmony_ci which provides a shared time base to Cortex A15, A7, A53, A73, 1562306a36Sopenharmony_ci etc. it is intended for use in applications where the counter 1662306a36Sopenharmony_ci is always powered and support multiple, unrelated clocks. The 1762306a36Sopenharmony_ci compare frame inside can be used for timer purpose. 1862306a36Sopenharmony_ci 1962306a36Sopenharmony_ciproperties: 2062306a36Sopenharmony_ci compatible: 2162306a36Sopenharmony_ci const: nxp,sysctr-timer 2262306a36Sopenharmony_ci 2362306a36Sopenharmony_ci reg: 2462306a36Sopenharmony_ci maxItems: 1 2562306a36Sopenharmony_ci 2662306a36Sopenharmony_ci interrupts: 2762306a36Sopenharmony_ci maxItems: 1 2862306a36Sopenharmony_ci 2962306a36Sopenharmony_ci clocks: 3062306a36Sopenharmony_ci maxItems: 1 3162306a36Sopenharmony_ci 3262306a36Sopenharmony_ci clock-names: 3362306a36Sopenharmony_ci const: per 3462306a36Sopenharmony_ci 3562306a36Sopenharmony_ci nxp,no-divider: 3662306a36Sopenharmony_ci description: if present, means there is no internal base clk divider. 3762306a36Sopenharmony_ci type: boolean 3862306a36Sopenharmony_ci 3962306a36Sopenharmony_cirequired: 4062306a36Sopenharmony_ci - compatible 4162306a36Sopenharmony_ci - reg 4262306a36Sopenharmony_ci - interrupts 4362306a36Sopenharmony_ci - clocks 4462306a36Sopenharmony_ci - clock-names 4562306a36Sopenharmony_ci 4662306a36Sopenharmony_ciadditionalProperties: false 4762306a36Sopenharmony_ci 4862306a36Sopenharmony_ciexamples: 4962306a36Sopenharmony_ci - | 5062306a36Sopenharmony_ci #include <dt-bindings/interrupt-controller/arm-gic.h> 5162306a36Sopenharmony_ci 5262306a36Sopenharmony_ci timer@306a0000 { 5362306a36Sopenharmony_ci compatible = "nxp,sysctr-timer"; 5462306a36Sopenharmony_ci reg = <0x306a0000 0x20000>; 5562306a36Sopenharmony_ci clocks = <&clk_8m>; 5662306a36Sopenharmony_ci clock-names = "per"; 5762306a36Sopenharmony_ci interrupts = <GIC_SPI 47 IRQ_TYPE_LEVEL_HIGH>; 5862306a36Sopenharmony_ci }; 59