1*eec34ebbSDaniel Lezcano# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2*eec34ebbSDaniel Lezcano%YAML 1.2 3*eec34ebbSDaniel Lezcano--- 4*eec34ebbSDaniel Lezcano$id: http://devicetree.org/schemas/timer/nxp,s32g2-stm.yaml# 5*eec34ebbSDaniel Lezcano$schema: http://devicetree.org/meta-schemas/core.yaml# 6*eec34ebbSDaniel Lezcano 7*eec34ebbSDaniel Lezcanotitle: NXP System Timer Module (STM) 8*eec34ebbSDaniel Lezcano 9*eec34ebbSDaniel Lezcanomaintainers: 10*eec34ebbSDaniel Lezcano - Daniel Lezcano <daniel.lezcano@kernel.org> 11*eec34ebbSDaniel Lezcano 12*eec34ebbSDaniel Lezcanodescription: 13*eec34ebbSDaniel Lezcano The System Timer Module supports commonly required system and application 14*eec34ebbSDaniel Lezcano software timing functions. STM includes a 32-bit count-up timer and four 15*eec34ebbSDaniel Lezcano 32-bit compare channels with a separate interrupt source for each channel. 16*eec34ebbSDaniel Lezcano The timer is driven by the STM module clock divided by an 8-bit prescale 17*eec34ebbSDaniel Lezcano value. 18*eec34ebbSDaniel Lezcano 19*eec34ebbSDaniel Lezcanoproperties: 20*eec34ebbSDaniel Lezcano compatible: 21*eec34ebbSDaniel Lezcano oneOf: 22*eec34ebbSDaniel Lezcano - const: nxp,s32g2-stm 23*eec34ebbSDaniel Lezcano - items: 24*eec34ebbSDaniel Lezcano - const: nxp,s32g3-stm 25*eec34ebbSDaniel Lezcano - const: nxp,s32g2-stm 26*eec34ebbSDaniel Lezcano 27*eec34ebbSDaniel Lezcano reg: 28*eec34ebbSDaniel Lezcano maxItems: 1 29*eec34ebbSDaniel Lezcano 30*eec34ebbSDaniel Lezcano interrupts: 31*eec34ebbSDaniel Lezcano maxItems: 1 32*eec34ebbSDaniel Lezcano 33*eec34ebbSDaniel Lezcano clocks: 34*eec34ebbSDaniel Lezcano items: 35*eec34ebbSDaniel Lezcano - description: Counter clock 36*eec34ebbSDaniel Lezcano - description: Module clock 37*eec34ebbSDaniel Lezcano - description: Register clock 38*eec34ebbSDaniel Lezcano 39*eec34ebbSDaniel Lezcano clock-names: 40*eec34ebbSDaniel Lezcano items: 41*eec34ebbSDaniel Lezcano - const: counter 42*eec34ebbSDaniel Lezcano - const: module 43*eec34ebbSDaniel Lezcano - const: register 44*eec34ebbSDaniel Lezcano 45*eec34ebbSDaniel Lezcanorequired: 46*eec34ebbSDaniel Lezcano - compatible 47*eec34ebbSDaniel Lezcano - reg 48*eec34ebbSDaniel Lezcano - interrupts 49*eec34ebbSDaniel Lezcano - clocks 50*eec34ebbSDaniel Lezcano - clock-names 51*eec34ebbSDaniel Lezcano 52*eec34ebbSDaniel LezcanoadditionalProperties: false 53*eec34ebbSDaniel Lezcano 54*eec34ebbSDaniel Lezcanoexamples: 55*eec34ebbSDaniel Lezcano - | 56*eec34ebbSDaniel Lezcano #include <dt-bindings/interrupt-controller/arm-gic.h> 57*eec34ebbSDaniel Lezcano 58*eec34ebbSDaniel Lezcano timer@4011c000 { 59*eec34ebbSDaniel Lezcano compatible = "nxp,s32g2-stm"; 60*eec34ebbSDaniel Lezcano reg = <0x4011c000 0x3000>; 61*eec34ebbSDaniel Lezcano interrupts = <GIC_SPI 24 IRQ_TYPE_LEVEL_HIGH>; 62*eec34ebbSDaniel Lezcano clocks = <&clks 0x3b>, <&clks 0x3c>, <&clks 0x3c>; 63*eec34ebbSDaniel Lezcano clock-names = "counter", "module", "register"; 64*eec34ebbSDaniel Lezcano }; 65