xref: /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/arm/bcm/raspberrypi,bcm2835-firmware.yaml (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun# SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun%YAML 1.2
3*4882a593Smuzhiyun---
4*4882a593Smuzhiyun$id: http://devicetree.org/schemas/arm/bcm/raspberrypi,bcm2835-firmware.yaml#
5*4882a593Smuzhiyun$schema: http://devicetree.org/meta-schemas/core.yaml#
6*4882a593Smuzhiyun
7*4882a593Smuzhiyuntitle: Raspberry Pi VideoCore firmware driver
8*4882a593Smuzhiyun
9*4882a593Smuzhiyunmaintainers:
10*4882a593Smuzhiyun  - Eric Anholt <eric@anholt.net>
11*4882a593Smuzhiyun  - Stefan Wahren <wahrenst@gmx.net>
12*4882a593Smuzhiyun
13*4882a593Smuzhiyunselect:
14*4882a593Smuzhiyun  properties:
15*4882a593Smuzhiyun    compatible:
16*4882a593Smuzhiyun      contains:
17*4882a593Smuzhiyun        const: raspberrypi,bcm2835-firmware
18*4882a593Smuzhiyun
19*4882a593Smuzhiyun  required:
20*4882a593Smuzhiyun    - compatible
21*4882a593Smuzhiyun
22*4882a593Smuzhiyunproperties:
23*4882a593Smuzhiyun  compatible:
24*4882a593Smuzhiyun    items:
25*4882a593Smuzhiyun      - const: raspberrypi,bcm2835-firmware
26*4882a593Smuzhiyun      - const: simple-mfd
27*4882a593Smuzhiyun
28*4882a593Smuzhiyun  mboxes:
29*4882a593Smuzhiyun    $ref: '/schemas/types.yaml#/definitions/phandle'
30*4882a593Smuzhiyun    description: |
31*4882a593Smuzhiyun      Phandle to the firmware device's Mailbox.
32*4882a593Smuzhiyun      (See: ../mailbox/mailbox.txt for more information)
33*4882a593Smuzhiyun
34*4882a593Smuzhiyun  clocks:
35*4882a593Smuzhiyun    type: object
36*4882a593Smuzhiyun
37*4882a593Smuzhiyun    properties:
38*4882a593Smuzhiyun      compatible:
39*4882a593Smuzhiyun        const: raspberrypi,firmware-clocks
40*4882a593Smuzhiyun
41*4882a593Smuzhiyun      "#clock-cells":
42*4882a593Smuzhiyun        const: 1
43*4882a593Smuzhiyun        description: >
44*4882a593Smuzhiyun          The argument is the ID of the clocks contained by the
45*4882a593Smuzhiyun          firmware messages.
46*4882a593Smuzhiyun
47*4882a593Smuzhiyun    required:
48*4882a593Smuzhiyun      - compatible
49*4882a593Smuzhiyun      - "#clock-cells"
50*4882a593Smuzhiyun
51*4882a593Smuzhiyun  reset:
52*4882a593Smuzhiyun    type: object
53*4882a593Smuzhiyun
54*4882a593Smuzhiyun    properties:
55*4882a593Smuzhiyun      compatible:
56*4882a593Smuzhiyun        const: raspberrypi,firmware-reset
57*4882a593Smuzhiyun
58*4882a593Smuzhiyun      "#reset-cells":
59*4882a593Smuzhiyun        const: 1
60*4882a593Smuzhiyun        description: >
61*4882a593Smuzhiyun          The argument is the ID of the firmware reset line to affect.
62*4882a593Smuzhiyun
63*4882a593Smuzhiyun    required:
64*4882a593Smuzhiyun      - compatible
65*4882a593Smuzhiyun      - "#reset-cells"
66*4882a593Smuzhiyun
67*4882a593Smuzhiyun    additionalProperties: false
68*4882a593Smuzhiyun
69*4882a593Smuzhiyunrequired:
70*4882a593Smuzhiyun  - compatible
71*4882a593Smuzhiyun  - mboxes
72*4882a593Smuzhiyun
73*4882a593SmuzhiyunadditionalProperties: false
74*4882a593Smuzhiyun
75*4882a593Smuzhiyunexamples:
76*4882a593Smuzhiyun  - |
77*4882a593Smuzhiyun    firmware {
78*4882a593Smuzhiyun        compatible = "raspberrypi,bcm2835-firmware", "simple-mfd";
79*4882a593Smuzhiyun        mboxes = <&mailbox>;
80*4882a593Smuzhiyun
81*4882a593Smuzhiyun        firmware_clocks: clocks {
82*4882a593Smuzhiyun            compatible = "raspberrypi,firmware-clocks";
83*4882a593Smuzhiyun            #clock-cells = <1>;
84*4882a593Smuzhiyun        };
85*4882a593Smuzhiyun
86*4882a593Smuzhiyun        reset: reset {
87*4882a593Smuzhiyun            compatible = "raspberrypi,firmware-reset";
88*4882a593Smuzhiyun            #reset-cells = <1>;
89*4882a593Smuzhiyun        };
90*4882a593Smuzhiyun    };
91*4882a593Smuzhiyun...
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