1# SPDX-License-Identifier: GPL-2.0 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/arm/bcm/raspberrypi,bcm2835-firmware.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: Raspberry Pi VideoCore firmware driver 8 9maintainers: 10 - Eric Anholt <eric@anholt.net> 11 - Stefan Wahren <wahrenst@gmx.net> 12 13select: 14 properties: 15 compatible: 16 contains: 17 const: raspberrypi,bcm2835-firmware 18 19 required: 20 - compatible 21 22properties: 23 compatible: 24 items: 25 - const: raspberrypi,bcm2835-firmware 26 - const: simple-mfd 27 28 mboxes: 29 $ref: '/schemas/types.yaml#/definitions/phandle' 30 description: | 31 Phandle to the firmware device's Mailbox. 32 (See: ../mailbox/mailbox.txt for more information) 33 34 clocks: 35 type: object 36 37 properties: 38 compatible: 39 const: raspberrypi,firmware-clocks 40 41 "#clock-cells": 42 const: 1 43 description: > 44 The argument is the ID of the clocks contained by the 45 firmware messages. 46 47 required: 48 - compatible 49 - "#clock-cells" 50 51 reset: 52 type: object 53 54 properties: 55 compatible: 56 const: raspberrypi,firmware-reset 57 58 "#reset-cells": 59 const: 1 60 description: > 61 The argument is the ID of the firmware reset line to affect. 62 63 required: 64 - compatible 65 - "#reset-cells" 66 67 additionalProperties: false 68 69required: 70 - compatible 71 - mboxes 72 73additionalProperties: false 74 75examples: 76 - | 77 firmware { 78 compatible = "raspberrypi,bcm2835-firmware", "simple-mfd"; 79 mboxes = <&mailbox>; 80 81 firmware_clocks: clocks { 82 compatible = "raspberrypi,firmware-clocks"; 83 #clock-cells = <1>; 84 }; 85 86 reset: reset { 87 compatible = "raspberrypi,firmware-reset"; 88 #reset-cells = <1>; 89 }; 90 }; 91... 92