| # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| %YAML 1.2 |
| --- |
| $id: http://devicetree.org/schemas/rtc/brcm,brcmstb-waketimer.yaml# |
| $schema: http://devicetree.org/meta-schemas/core.yaml# |
| |
| title: Broadcom STB wake-up Timer |
| |
| maintainers: |
| - Florian Fainelli <f.fainelli@gmail.com> |
| |
| description: |
| The Broadcom STB wake-up timer provides a 27Mhz resolution timer, with the |
| ability to wake up the system from low-power suspend/standby modes and |
| optionally generate RTC alarm interrupts. |
| |
| allOf: |
| - $ref: rtc.yaml# |
| |
| properties: |
| compatible: |
| const: brcm,brcmstb-waketimer |
| |
| reg: |
| maxItems: 1 |
| |
| interrupts: |
| minItems: 1 |
| items: |
| - description: the TIMER interrupt |
| - description: the ALARM interrupt |
| description: |
| The TIMER interrupt wakes the system from low-power suspend/standby modes. |
| An ALARM interrupt may be specified to interrupt the CPU when an RTC alarm |
| is enabled. |
| |
| clocks: |
| description: clock reference in the 27MHz domain |
| maxItems: 1 |
| |
| additionalProperties: false |
| |
| examples: |
| - | |
| rtc@f041a080 { |
| compatible = "brcm,brcmstb-waketimer"; |
| reg = <0xf041a080 0x14>; |
| interrupts-extended = <&aon_pm_l2_intc 0x04>, |
| <&upg_aux_aon_intr2_intc 0x08>; |
| clocks = <&upg_fixed>; |
| }; |