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dt-bindings: mailbox: apple,mailbox: Add ASC mailboxes on Apple A11 and T2

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Add bindings for ASC mailboxes as found on Apple A11 and T2 SoCs. These
mailboxes are used for coprocessors including Secure Enclave Processor
(SEP), the NVMe coprocessor and the system management controller.

Acked-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Nick Chan <towinchenmi@gmail.com>
Link: https://lore.kernel.org/r/20250821-t8015-nvme-v3-1-14a4178adf68@gmail.com
Signed-off-by: Sven Peter <sven@kernel.org>
This commit is contained in:
Nick Chan
2025-08-21 23:56:38 +08:00
committed by Sven Peter
parent ec437f9ba3
commit 32299eb034
1 changed files with 7 additions and 0 deletions
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7
Documentation/devicetree/bindings/mailbox/apple,mailbox.yaml
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@@ -33,6 +33,13 @@ properties:
- apple,t6000-asc-mailbox
- const: apple,asc-mailbox-v4
- description:
An older ASC mailbox interface found on T2 and A11 that is also
used for the NVMe coprocessor and the system management
controller.
items:
- const: apple,t8015-asc-mailbox
- description:
M3 mailboxes are an older variant with a slightly different MMIO
interface still found on the M1. It is used for the Thunderbolt