bindings/mailbox/apple%2Cmailbox.yaml

1 # SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10   - Hector Martin <marcan@marcan.st>
11   - Sven Peter <sven@svenpeter.dev>
15   messages between the main CPU and a co-processor. Multiple instances
17   One of the two FIFOs is used to send data to a co-processor while the other
25       - description:
30           - enum:
31               - apple,t8103-asc-mailbox
32               - apple,t8112-asc-mailbox
33               - apple,t6000-asc-mailbox
34           - const: apple,asc-mailbox-v4
36       - description:
39           co-processors.
41           - enum:
42               - apple,t8103-m3-mailbox
43               - apple,t8112-m3-mailbox
44               - apple,t6000-m3-mailbox
45           - const: apple,m3-mailbox-v2
52       - description: send fifo is empty interrupt
53       - description: send fifo is not empty interrupt
54       - description: receive fifo is empty interrupt
55       - description: receive fifo is not empty interrupt
57   interrupt-names:
59       - const: send-empty
60       - const: send-not-empty
61       - const: recv-empty
62       - const: recv-not-empty
64   "#mbox-cells":
67   power-domains:
71   - compatible
72   - reg
73   - interrupts
74   - interrupt-names
75   - "#mbox-cells"
80   - |
82                 compatible = "apple,t8103-asc-mailbox", "apple,asc-mailbox-v4";
85                 interrupt-names = "send-empty", "send-not-empty",
86                  "recv-empty", "recv-not-empty";
87                 #mbox-cells = <0>;