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A second interrupt can optionally be specified for this device to be used for generating RTC alarm interrupts. Signed-off-by: Doug Berger <opendmb@gmail.com> Acked-by: Florian Fainelli <f.fainelli@gmail.com> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Link: https://lore.kernel.org/r/20230124201430.2502371-2-opendmb@gmail.com Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
52 lines
1.3 KiB
YAML
52 lines
1.3 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/rtc/brcm,brcmstb-waketimer.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Broadcom STB wake-up Timer
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maintainers:
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- Florian Fainelli <f.fainelli@gmail.com>
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description:
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The Broadcom STB wake-up timer provides a 27Mhz resolution timer, with the
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ability to wake up the system from low-power suspend/standby modes and
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optionally generate RTC alarm interrupts.
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allOf:
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- $ref: "rtc.yaml#"
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properties:
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compatible:
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const: brcm,brcmstb-waketimer
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reg:
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maxItems: 1
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interrupts:
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minItems: 1
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items:
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- description: the TIMER interrupt
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- description: the ALARM interrupt
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description:
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The TIMER interrupt wakes the system from low-power suspend/standby modes.
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An ALARM interrupt may be specified to interrupt the CPU when an RTC alarm
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is enabled.
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clocks:
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description: clock reference in the 27MHz domain
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maxItems: 1
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additionalProperties: false
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examples:
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- |
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rtc@f041a080 {
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compatible = "brcm,brcmstb-waketimer";
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reg = <0xf041a080 0x14>;
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interrupts-extended = <&aon_pm_l2_intc 0x04>,
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<&upg_aux_aon_intr2_intc 0x08>;
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clocks = <&upg_fixed>;
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};
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