Add support for CPUSS Control Processor (CPUCP) mailbox controller
which enables communication between AP and CPUCP by acting as a
doorbell between them.

Sibi Sankar (2):
  dt-bindings: mailbox: Add dt binding for QTI CPUCP mailbox controller
  mailbox: Add support for QTI CPUCP mailbox controller

 .../bindings/mailbox/qcom,cpucp-mbox.yaml          |  51 ++++++
 drivers/mailbox/Kconfig                            |   9 ++
 drivers/mailbox/Makefile                           |   2 +
 drivers/mailbox/qcom-cpucp-mbox.c                  | 176 +++++++++++++++++++++
 4 files changed, 238 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/mailbox/qcom,cpucp-mbox.yaml
 create mode 100644 drivers/mailbox/qcom-cpucp-mbox.c

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2.7.4