mailbox api · Maintained

Maintainers

• M Jassi Brar <jassisinghbrar@gmail.com>

Paths

• F Documentation/devicetree/bindings/mailbox/
• F drivers/mailbox/
• F include/dt-bindings/mailbox/
• F include/linux/mailbox_client.h
• F include/linux/mailbox_controller.h

Last 30 days

Active reviewers (last 30 days)

• Hector Martin <hidden>
  1 attestation (1 Co-developed-by) · last on 2026-06-30

Recent patches

Most-recent 22 patches in this subsystem on linux-iommu, ordered by date desc.

• WARM1d [PATCH 01/10] dt-bindings: mailbox: Add Apple t8122 ASC mailbox
  2026-06-30 · Michael Reeves via B4 Relay <devnull+michael.reeves077.gmail.com@kernel.org>
• WARM1d [PATCH 02/10] dt-bindings: mailbox: apple: Add DockChannel mailbox
  2026-06-30 · Michael Reeves via B4 Relay <devnull+michael.reeves077.gmail.com@kernel.org>
• WARM1d [PATCH 05/10] mailbox: apple: Add DockChannel FIFO controller
  2026-06-30 · Michael Reeves via B4 Relay <devnull+michael.reeves077.gmail.com@kernel.org>
• COLD35d [PATCH] driver core: platform: Setup device MSI domain just before driver probe
  2026-05-26 · Anup Patel <hidden>
• STALE250d [PATCH] dt-bindings: Remove extra blank lines
  2025-10-23 · "Rob Herring (Arm)" <robh@kernel.org>
• STALE289d [PATCH 11/37] dt-bindings: mailbox: apple,mailbox: Add t6020 compatible
  2025-08-28 · Janne Grunau <j@jannau.net>
• STALE306d LANDED: 7 (7M) [PATCH v3 1/9] dt-bindings: mailbox: apple,mailbox: Add ASC mailboxes on Apple A11 and T2
  2025-08-21 · Nick Chan <hidden>
• STALE313d [PATCH v2 1/9] dt-bindings: mailbox: apple,mailbox: Add ASC mailboxes on Apple A11 and T2
  2025-08-18 · Nick Chan <hidden>
• STALE324d [PATCH 1/9] dt-bindings: mailbox: apple,mailbox: Add ASC mailboxes on Apple A11 and T2
  2025-08-11 · Nick Chan <hidden>
• STALE316d [PATCH v2 06/15] dt-bindings: mailbox: qcom-ipcc: document the Milos Inter-Processor Communication Controller
  2025-07-13 · Luca Weiss <hidden>
• STALE348d [PATCH 06/14] dt-bindings: mailbox: qcom-ipcc: document the SM7635 Inter-Processor Communication Controller
  2025-06-25 · Luca Weiss <hidden>
• STALE385d [PATCH 04/33] dt-bindings: mailbox: qcom: Add the SM7150 APCS compatible
  2025-04-22 · Danila Tikhonov <hidden>
• STALE668d [PATCH 12/19] dt-bindings: mailbox: qcom-ipcc: Document QCS8300 IPCC
  2024-09-04 · Jingyi Wang <hidden>
• STALE666d REVIEWED: 1 (0M) [PATCH v2 05/21] dt-bindings: mailbox: qcom-ipcc: document the support for SA8255p
  2024-09-03 · Nikunj Kela <hidden>
• STALE666d [PATCH 05/22] dt-bindings: mailbox: qcom-ipcc: document the support for SA8255p
  2024-08-28 · Nikunj Kela <hidden>
• STALE730d [PATCH 08/47] dt-bindings: mailbox: qcom-ipcc: Document the QCS9100 IPCC
  2024-07-03 · Tengfei Fan <hidden>
• STALE730d [PATCH 08/47] dt-bindings: mailbox: qcom-ipcc: Document the QCS9100 IPCC
  2024-07-03 · Tengfei Fan <hidden>
• STALE1258d [PATCH 12/18] dt-bindings: mailbox: qcom-ipcc: document the sa8775p platform
  2023-01-09 · Bartosz Golaszewski <hidden>
• STALE1842d LANDED [PATCH] dt-bindings: Drop redundant minItems/maxItems
  2021-06-15 · Rob Herring <robh@kernel.org>
• STALE2984d REVIEWED: 14 (14M) [PATCH v3 11/20] mailbox: Remove depends on HAS_DMA in case of platform dependency
  2018-04-17 · Geert Uytterhoeven <geert@linux-m68k.org>
• STALE3003d REVIEWED: 14 (14M) [PATCH v2 11/21] mailbox: Remove depends on HAS_DMA in case of platform dependency
  2018-03-16 · Geert Uytterhoeven <geert@linux-m68k.org>
• STALE3065d [PATCH/RFC 6/6] Treewide: Remove depends on HAS_DMA in case of platform dependency
  2018-02-06 · Geert Uytterhoeven <geert@linux-m68k.org>