| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/rtc/brcm,brcmstb-waketimer.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Broadcom STB wake-up Timer |
| 8 | |
| 9 | maintainers: |
| 10 | - Florian Fainelli <f.fainelli@gmail.com> |
| 11 | |
| 12 | description: |
| 13 | The Broadcom STB wake-up timer provides a 27Mhz resolution timer, with the |
| 14 | ability to wake up the system from low-power suspend/standby modes and |
| 15 | optionally generate RTC alarm interrupts. |
| 16 | |
| 17 | allOf: |
| 18 | - $ref: rtc.yaml# |
| 19 | |
| 20 | properties: |
| 21 | compatible: |
| 22 | const: brcm,brcmstb-waketimer |
| 23 | |
| 24 | reg: |
| 25 | maxItems: 1 |
| 26 | |
| 27 | interrupts: |
| 28 | minItems: 1 |
| 29 | items: |
| 30 | - description: the TIMER interrupt |
| 31 | - description: the ALARM interrupt |
| 32 | 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 alarm |
| 35 | is enabled. |
| 36 | |
| 37 | clocks: |
| 38 | description: clock reference in the 27MHz domain |
| 39 | maxItems: 1 |
| 40 | |
| 41 | additionalProperties: false |
| 42 | |
| 43 | examples: |
| 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 | }; |