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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/soc/bcm/brcm,bcm2835-vchiq.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Broadcom VCHIQ firmware services
maintainers:
- Nicolas Saenz Julienne <nsaenz@kernel.org>
description:
The VCHIQ communication channel can be provided by BCM283x and Capri SoCs,
to communicate with the VPU-side OS services.
properties:
compatible:
oneOf:
- description: BCM2835 based boards
items:
- enum:
- brcm,bcm2835-vchiq
- description: BCM2836/BCM2837 based boards
items:
- enum:
- brcm,bcm2836-vchiq
- const: brcm,bcm2835-vchiq
reg:
description: Physical base address and length of the doorbell register pair
minItems: 1
interrupts:
description: Interrupt number of the doorbell interrupt
minItems: 1
required:
- compatible
- reg
- interrupts
additionalProperties: false
examples:
- |
mailbox@7e00b840 {
compatible = "brcm,bcm2835-vchiq";
reg = <0x7e00b840 0xf>;
interrupts = <0 2>;
};
...
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