linux-kernel - [PATCH v3 0/2] ASPEED: Add mailbox driver for AST2700 series

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Message-ID: <20250610091026.49724-1-jammy_huang@aspeedtech.com>
Date: Tue, 10 Jun 2025 17:10:24 +0800
From: Jammy Huang <jammy_huang@...eedtech.com>
To: <jassisinghbrar@...il.com>, <robh@...nel.org>, <krzk+dt@...nel.org>,
	<conor+dt@...nel.org>, <joel@....id.au>, <andrew@...econstruct.com.au>,
	<jammy_huang@...eedtech.com>, <devicetree@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>, <linux-aspeed@...ts.ozlabs.org>,
	<linux-kernel@...r.kernel.org>
Subject: [PATCH v3 0/2] ASPEED: Add mailbox driver for AST2700 series

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:
  - Correct document
     1. Use 32-bit addressing in dts example property, reg.
  - Update document
     1. Correct error in dts example.
     2. Drop description for mbox-cell per suggestion previously.

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: ec7714e4947909190ffb3041a03311a975350fe0
-- 
2.25.1