1*f126890aSEmmanuel Vadot# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2*f126890aSEmmanuel Vadot%YAML 1.2 3*f126890aSEmmanuel Vadot--- 4*f126890aSEmmanuel Vadot$id: http://devicetree.org/schemas/rtc/loongson,rtc.yaml# 5*f126890aSEmmanuel Vadot$schema: http://devicetree.org/meta-schemas/core.yaml# 6*f126890aSEmmanuel Vadot 7*f126890aSEmmanuel Vadottitle: Loongson Real-Time Clock 8*f126890aSEmmanuel Vadot 9*f126890aSEmmanuel Vadotdescription: 10*f126890aSEmmanuel Vadot The Loongson family chips use an on-chip counter 0 (Time Of Year 11*f126890aSEmmanuel Vadot counter) as the RTC. 12*f126890aSEmmanuel Vadot 13*f126890aSEmmanuel Vadotmaintainers: 14*f126890aSEmmanuel Vadot - Binbin Zhou <zhoubinbin@loongson.cn> 15*f126890aSEmmanuel Vadot 16*f126890aSEmmanuel VadotallOf: 17*f126890aSEmmanuel Vadot - $ref: rtc.yaml# 18*f126890aSEmmanuel Vadot 19*f126890aSEmmanuel Vadotproperties: 20*f126890aSEmmanuel Vadot compatible: 21*f126890aSEmmanuel Vadot oneOf: 22*f126890aSEmmanuel Vadot - enum: 23*f126890aSEmmanuel Vadot - loongson,ls1b-rtc 24*f126890aSEmmanuel Vadot - loongson,ls1c-rtc 25*f126890aSEmmanuel Vadot - loongson,ls7a-rtc 26*f126890aSEmmanuel Vadot - loongson,ls2k1000-rtc 27*f126890aSEmmanuel Vadot - items: 28*f126890aSEmmanuel Vadot - enum: 29*f126890aSEmmanuel Vadot - loongson,ls2k2000-rtc 30*f126890aSEmmanuel Vadot - loongson,ls2k0500-rtc 31*f126890aSEmmanuel Vadot - const: loongson,ls7a-rtc 32*f126890aSEmmanuel Vadot 33*f126890aSEmmanuel Vadot reg: 34*f126890aSEmmanuel Vadot maxItems: 1 35*f126890aSEmmanuel Vadot 36*f126890aSEmmanuel Vadot interrupts: 37*f126890aSEmmanuel Vadot maxItems: 1 38*f126890aSEmmanuel Vadot 39*f126890aSEmmanuel Vadotrequired: 40*f126890aSEmmanuel Vadot - compatible 41*f126890aSEmmanuel Vadot - reg 42*f126890aSEmmanuel Vadot 43*f126890aSEmmanuel VadotunevaluatedProperties: false 44*f126890aSEmmanuel Vadot 45*f126890aSEmmanuel Vadotexamples: 46*f126890aSEmmanuel Vadot - | 47*f126890aSEmmanuel Vadot #include <dt-bindings/interrupt-controller/irq.h> 48*f126890aSEmmanuel Vadot 49*f126890aSEmmanuel Vadot rtc@1fe27800 { 50*f126890aSEmmanuel Vadot compatible = "loongson,ls2k1000-rtc"; 51*f126890aSEmmanuel Vadot reg = <0x1fe27800 0x100>; 52*f126890aSEmmanuel Vadot 53*f126890aSEmmanuel Vadot interrupt-parent = <&liointc1>; 54*f126890aSEmmanuel Vadot interrupts = <8 IRQ_TYPE_LEVEL_HIGH>; 55*f126890aSEmmanuel Vadot }; 56*f126890aSEmmanuel Vadot 57*f126890aSEmmanuel Vadot... 58