[PATCH v2 0/2] ASPEED: Add mailbox driver for AST2700 series

Jammy Huang jammy_huang at aspeedtech.com
Wed Jun 4 05:55:56 PDT 2025


Add mailbox controller driver for AST27XX SoCs, which provides
independent tx/rx mailbox between different processors. There are 4
channels for each tx/rx mailbox and each channel has an 32-byte FIFO.

 v2 changes:
  - Update document

Jammy Huang (2):
  dt-bindings: mailbox: Add ASPEED AST2700 series SoC
  mailbox: aspeed: add mailbox driver for AST27XX series SoC

 .../mailbox/aspeed,ast2700-mailbox.yaml       |  57 +++++
 drivers/mailbox/Kconfig                       |   8 +
 drivers/mailbox/Makefile                      |   2 +
 drivers/mailbox/ast2700-mailbox.c             | 226 ++++++++++++++++++
 4 files changed, 293 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/mailbox/aspeed,ast2700-mailbox.yaml
 create mode 100644 drivers/mailbox/ast2700-mailbox.c


base-commit: 546b1c9e93c2bb8cf5ed24e0be1c86bb089b3253
-- 
2.25.1




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