70 lines
1.5 KiB
YAML
70 lines
1.5 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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$id: http://devicetree.org/schemas/arm/atmel,at91rm9200-st.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Atmel System Timer
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maintainers:
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- Nicolas Ferre <nicolas.ferre@microchip.com>
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- Claudiu Beznea <claudiu.beznea@tuxon.dev>
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description:
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The System Timer (ST) module in AT91RM9200 provides periodic tick and
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alarm capabilities. It is exposed as a simple multi-function device
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(simple-mfd + syscon) because it shares its register space and interrupt
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with other System Controller blocks.
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properties:
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compatible:
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items:
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- const: atmel,at91rm9200-st
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- const: syscon
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- const: simple-mfd
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reg:
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maxItems: 1
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interrupts:
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maxItems: 1
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clocks:
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maxItems: 1
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"#address-cells":
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const: 1
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"#size-cells":
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const: 1
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patternProperties:
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"^watchdog@[0-9a-f]+$":
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$ref: /schemas/watchdog/atmel,at91rm9200-wdt.yaml#
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required:
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- compatible
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- reg
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- interrupts
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- clocks
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unevaluatedProperties: false
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examples:
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- |
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#include <dt-bindings/interrupt-controller/irq.h>
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timer@fffffd00 {
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compatible = "atmel,at91rm9200-st", "syscon", "simple-mfd";
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reg = <0xfffffd00 0x100>;
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interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>;
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clocks = <&slow_xtal>;
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#address-cells = <1>;
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#size-cells = <1>;
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watchdog@fffffd40 {
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compatible = "atmel,at91rm9200-wdt";
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reg = <0xfffffd40 0x40>;
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};
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};
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...
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