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dt-bindings: rtc: Convert Broadcom STB waketimer to YAML

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Convert the Broadcom STB waketimer Device Tree binding to YAML to help
with validation.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Link: https://lore.kernel.org/r/20211208003727.3596577-5-f.fainelli@gmail.com
Signed-off-by: Rob Herring <robh@kernel.org>
This commit is contained in:
Florian Fainelli 2021-12-07 16:37:15 -08:00 committed by Rob Herring
parent de9afac8ff
commit 7c41161b51
2 changed files with 44 additions and 20 deletions
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20
Documentation/devicetree/bindings/rtc/brcm,brcmstb-waketimer.txt
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Broadcom STB wake-up Timer
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.
Required properties:
- compatible : should contain "brcm,brcmstb-waketimer"
- reg : the register start and length for the WKTMR block
- interrupts : The TIMER interrupt
- clocks : The phandle to the UPG fixed clock (27Mhz domain)
Example:
waketimer@f0411580 {
compatible = "brcm,brcmstb-waketimer";
reg = <0xf0411580 0x14>;
interrupts = <0x3>;
interrupt-parent = <&aon_pm_l2_intc>;
clocks = <&upg_fixed>;
};

44
Documentation/devicetree/bindings/rtc/brcm,brcmstb-waketimer.yaml Normal file
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# 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.
allOf:
- $ref: "rtc.yaml#"
properties:
compatible:
const: brcm,brcmstb-waketimer
reg:
maxItems: 1
interrupts:
description: the TIMER interrupt
maxItems: 1
clocks:
description: clock reference in the 27MHz domain
maxItems: 1
additionalProperties: false
examples:
- |
rtc@f0411580 {
compatible = "brcm,brcmstb-waketimer";
reg = <0xf0411580 0x14>;
interrupts = <0x3>;
interrupt-parent = <&aon_pm_l2_intc>;
clocks = <&upg_fixed>;
};