52 lines · yaml
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)2%YAML 1.23---4$id: http://devicetree.org/schemas/rtc/brcm,brcmstb-waketimer.yaml#5$schema: http://devicetree.org/meta-schemas/core.yaml#6 7title: Broadcom STB wake-up Timer8 9maintainers:10 - Florian Fainelli <f.fainelli@gmail.com>11 12description:13 The Broadcom STB wake-up timer provides a 27Mhz resolution timer, with the14 ability to wake up the system from low-power suspend/standby modes and15 optionally generate RTC alarm interrupts.16 17allOf:18 - $ref: rtc.yaml#19 20properties:21 compatible:22 const: brcm,brcmstb-waketimer23 24 reg:25 maxItems: 126 27 interrupts:28 minItems: 129 items:30 - description: the TIMER interrupt31 - description: the ALARM interrupt32 description:33 The TIMER interrupt wakes the system from low-power suspend/standby modes.34 An ALARM interrupt may be specified to interrupt the CPU when an RTC alarm35 is enabled.36 37 clocks:38 description: clock reference in the 27MHz domain39 maxItems: 140 41additionalProperties: false42 43examples:44 - |45 rtc@f041a080 {46 compatible = "brcm,brcmstb-waketimer";47 reg = <0xf041a080 0x14>;48 interrupts-extended = <&aon_pm_l2_intc 0x04>,49 <&upg_aux_aon_intr2_intc 0x08>;50 clocks = <&upg_fixed>;51 };52