1ec8f24b7SThomas Gleixner# SPDX-License-Identifier: GPL-2.0-only 2ffbf23d5SDaniel Balutaconfig IMX_DSP 3f52cdcceSDaniel Baluta tristate "IMX DSP Protocol driver" 4ffbf23d5SDaniel Baluta depends on IMX_MBOX 5ffbf23d5SDaniel Baluta help 6ffbf23d5SDaniel Baluta This enables DSP IPC protocol between host AP (Linux) 7ffbf23d5SDaniel Baluta and the firmware running on DSP. 8ffbf23d5SDaniel Baluta DSP exists on some i.MX8 processors (e.g i.MX8QM, i.MX8QXP). 9ffbf23d5SDaniel Baluta 10ffbf23d5SDaniel Baluta It acts like a doorbell. Client might use shared memory to 11ffbf23d5SDaniel Baluta exchange information with DSP side. 12ffbf23d5SDaniel Baluta 13edbee095SDong Aishengconfig IMX_SCU 14edbee095SDong Aisheng bool "IMX SCU Protocol driver" 1532ec783aSArnd Bergmann depends on IMX_MBOX 1682c08278SRandy Dunlap select SOC_BUS 17edbee095SDong Aisheng help 18edbee095SDong Aisheng The System Controller Firmware (SCFW) is a low-level system function 19edbee095SDong Aisheng which runs on a dedicated Cortex-M core to provide power, clock, and 20edbee095SDong Aisheng resource management. It exists on some i.MX8 processors. e.g. i.MX8QM 21edbee095SDong Aisheng (QM, QP), and i.MX8QX (QXP, DX). 22edbee095SDong Aisheng 23edbee095SDong Aisheng This driver manages the IPC interface between host CPU and the 24edbee095SDong Aisheng SCU firmware running on M4. 250b4f8a68SPeng Fan 260b4f8a68SPeng Fanconfig IMX_SCMI_MISC_DRV 270b4f8a68SPeng Fan tristate "IMX SCMI MISC Protocol driver" 28*be6686b8SGeert Uytterhoeven depends on ARCH_MXC || COMPILE_TEST 290b4f8a68SPeng Fan default y if ARCH_MXC 300b4f8a68SPeng Fan help 310b4f8a68SPeng Fan The System Controller Management Interface firmware (SCMI FW) is 320b4f8a68SPeng Fan a low-level system function which runs on a dedicated Cortex-M 330b4f8a68SPeng Fan core that could provide misc functions such as board control. 340b4f8a68SPeng Fan 350b4f8a68SPeng Fan This driver can also be built as a module. 36