mailbox: Add RISC-V SBI message proxy (MPXY) based mailbox driver

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Add a mailbox controller driver for the new SBI message proxy extension
which is part of the SBI v3.0 specification.

Acked-by: Jassi Brar <jassisinghbrar@gmail.com>
Co-developed-by: Rahul Pathak <rpathak@ventanamicro.com>
Signed-off-by: Rahul Pathak <rpathak@ventanamicro.com>
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Link: https://lore.kernel.org/r/20250818040920.272664-8-apatel@ventanamicro.com
Signed-off-by: Paul Walmsley <pjw@kernel.org>

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Anup Patel 2025-08-18 09:39:03 +05:30 • committed by Paul Walmsley

parent 6f01c24f3a

commit bf3022a4eb

3 changed files with 1007 additions and 0 deletions

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11

drivers/mailbox/Kconfig

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2

drivers/mailbox/Makefile

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994

drivers/mailbox/riscv-sbi-mpxy-mbox.c

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