| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 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 | |
| 7 | title: Broadcom VCHIQ firmware services |
| 8 | |
| 9 | maintainers: |
| 10 | - Nicolas Saenz Julienne <nsaenz@kernel.org> |
| 11 | |
| 12 | description: |
| 13 | The VCHIQ communication channel can be provided by BCM283x and Capri SoCs, |
| 14 | to communicate with the VPU-side OS services. |
| 15 | |
| 16 | properties: |
| 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 | |
| 38 | required: |
| 39 | - compatible |
| 40 | - reg |
| 41 | - interrupts |
| 42 | |
| 43 | additionalProperties: false |
| 44 | |
| 45 | examples: |
| 46 | - | |
| 47 | mailbox@7e00b840 { |
| 48 | compatible = "brcm,bcm2835-vchiq"; |
| 49 | reg = <0x7e00b840 0xf>; |
| 50 | interrupts = <0 2>; |
| 51 | }; |
| 52 | |
| 53 | ... |