xref: /freebsd/sys/contrib/device-tree/Bindings/soc/bcm/brcm,bcm2835-vchiq.yaml (revision 5ca8e32633c4ffbbcd6762e5888b6a4ba0708c6c) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/soc/bcm/brcm,bcm2835-vchiq.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Broadcom VCHIQ firmware services
8
9maintainers:
10  - Nicolas Saenz Julienne <nsaenz@kernel.org>
11
12description:
13  The VCHIQ communication channel can be provided by BCM283x and Capri SoCs,
14  to communicate with the VPU-side OS services.
15
16properties:
17  compatible:
18    oneOf:
19      - description: BCM2835 based boards
20        items:
21          - enum:
22              - brcm,bcm2835-vchiq
23
24      - description: BCM2836/BCM2837 based boards
25        items:
26          - enum:
27              - brcm,bcm2836-vchiq
28          - const: brcm,bcm2835-vchiq
29
30  reg:
31    description: Physical base address and length of the doorbell register pair
32    minItems: 1
33
34  interrupts:
35    description: Interrupt number of the doorbell interrupt
36    minItems: 1
37
38required:
39  - compatible
40  - reg
41  - interrupts
42
43additionalProperties: false
44
45examples:
46  - |
47    mailbox@7e00b840 {
48      compatible = "brcm,bcm2835-vchiq";
49      reg = <0x7e00b840 0xf>;
50      interrupts = <0 2>;
51    };
52
53...
54