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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/power/reset/atmel,sama5d2-shdwc.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Microchip AT91 SAMA5D2 SHDWC Shutdown Controller
maintainers:
- Claudiu Beznea <claudiu.beznea@microchip.com>
description: |
Microchip AT91 SHDWC shutdown controller controls the power supplies VDDIO
and VDDCORE and the wake-up detection on debounced input lines.
properties:
compatible:
oneOf:
- items:
- const: microchip,sama7g5-shdwc
- const: syscon
- enum:
- atmel,sama5d2-shdwc
- microchip,sam9x60-shdwc
reg:
maxItems: 1
clocks:
maxItems: 1
"#address-cells":
const: 1
"#size-cells":
const: 0
debounce-delay-us:
description:
Minimum wake-up inputs debouncer period in microseconds. It is usually a
board-related property.
atmel,wakeup-rtc-timer:
description: enable real-time clock wake-up
type: boolean
atmel,wakeup-rtt-timer:
description: enable real-time timer wake-up
type: boolean
patternProperties:
"^input@[0-15]$":
description:
Wake-up input nodes. These are usually described in the "board" part of
the Device Tree. Note also that input 0 is linked to the wake-up pin and
is frequently used.
type: object
properties:
reg:
description: contains the wake-up input index
minimum: 0
maximum: 15
atmel,wakeup-active-high:
description:
The corresponding wake-up input described by the child forces the
wake-up of the core power supply on a high level. The default is to
be active low.
type: boolean
required:
- reg
additionalProperties: false
required:
- compatible
- reg
- clocks
allOf:
- if:
properties:
compatible:
contains:
const: atmel,sama5d2-shdwc
then:
properties:
atmel,wakeup-rtt-timer: false
additionalProperties: false
examples:
- |
shdwc: poweroff@f8048010 {
compatible = "atmel,sama5d2-shdwc";
reg = <0xf8048010 0x10>;
clocks = <&clk32k>;
#address-cells = <1>;
#size-cells = <0>;
atmel,wakeup-rtc-timer;
debounce-delay-us = <976>;
input@0 {
reg = <0>;
};
input@1 {
reg = <1>;
atmel,wakeup-active-high;
};
};
...
|
