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364ae87602
Convert the DT binding document for bcm2835-system-timer from .txt to YAML. Signed-off-by: Stefan Wahren <wahrenst@gmx.net> Reviewed-by: Conor Dooley <conor.dooley@microchip.com> Link: https://lore.kernel.org/r/20240812200358.4061-2-wahrenst@gmx.net Signed-off-by: Florian Fainelli <florian.fainelli@broadcom.com>
51 lines
1.3 KiB
YAML
51 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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$id: http://devicetree.org/schemas/timer/brcm,bcm2835-system-timer.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: BCM2835 System Timer
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maintainers:
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- Stefan Wahren <wahrenst@gmx.net>
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- Raspberry Pi Kernel Maintenance <kernel-list@raspberrypi.com>
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description:
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The System Timer peripheral provides four 32-bit timer channels and a
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single 64-bit free running counter. Each channel has an output compare
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register, which is compared against the 32 least significant bits of the
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free running counter values, and generates an interrupt.
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properties:
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compatible:
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const: brcm,bcm2835-system-timer
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reg:
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maxItems: 1
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interrupts:
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items:
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- description: System Timer Compare 0 match (used by VideoCore GPU)
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- description: System Timer Compare 1 match (usable for ARM core)
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- description: System Timer Compare 2 match (used by VideoCore GPU)
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- description: System Timer Compare 3 match (usable for ARM core)
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clock-frequency: true
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required:
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- compatible
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- reg
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- interrupts
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additionalProperties: false
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examples:
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- |
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timer@7e003000 {
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compatible = "brcm,bcm2835-system-timer";
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reg = <0x7e003000 0x1000>;
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interrupts = <1 0>, <1 1>, <1 2>, <1 3>;
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clock-frequency = <1000000>;
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};
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...
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