Introduce mailbox controller driver for ZynqMP IPI(Inter-processor interrupt) IP core. v8: - Remove unused macros - Remove polling sending status from send_data - Remove calling receive callback from last_tx_done() - Use devm_mbox_controller_register() - Use of_get_child_count() to get the number of mailboxes. v7: - Fix sparse warning, and documentation check. - Add emply block to the end of of_device_id. v6: - dts-binding, remove compatible property from IPI subnode v5: - fix check patch warning on write a paragraph to describe the kconfig symbol. v4: - make IPI mailboxes as subnodes to the IPI agent device node to properly describe the hardware. v3: - add NULL entry to of_device_id of IPI controller v2: - change SPDX-License-Identifier license text style in .c file - replace xlnx-ipi-ids with xlnx,ipi-ids Wendy Liang (2): mailbox: ZynqMP IPI mailbox controller dt-bindings: mailbox: Add Xilinx IPI Mailbox .../bindings/mailbox/xlnx,zynqmp-ipi-mailbox.txt | 127 ++++ drivers/mailbox/Kconfig | 11 + drivers/mailbox/Makefile | 2 + drivers/mailbox/zynqmp-ipi-mailbox.c | 725 +++++++++++++++++++++ include/linux/mailbox/zynqmp-ipi-message.h | 20 + 5 files changed, 885 insertions(+) create mode 100644 Documentation/devicetree/bindings/mailbox/xlnx,zynqmp-ipi-mailbox.txt create mode 100644 drivers/mailbox/zynqmp-ipi-mailbox.c create mode 100644 include/linux/mailbox/zynqmp-ipi-message.h -- 2.7.4
