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1# SPDX-License-Identifier: GPL-2.0-only2config IMX_DSP3 tristate "IMX DSP Protocol driver"4 depends on IMX_MBOX5 help6 This enables DSP IPC protocol between host AP (Linux)7 and the firmware running on DSP.8 DSP exists on some i.MX8 processors (e.g i.MX8QM, i.MX8QXP).9 10 It acts like a doorbell. Client might use shared memory to11 exchange information with DSP side.12 13config IMX_SCU14 bool "IMX SCU Protocol driver"15 depends on IMX_MBOX16 select SOC_BUS17 help18 The System Controller Firmware (SCFW) is a low-level system function19 which runs on a dedicated Cortex-M core to provide power, clock, and20 resource management. It exists on some i.MX8 processors. e.g. i.MX8QM21 (QM, QP), and i.MX8QX (QXP, DX).22 23 This driver manages the IPC interface between host CPU and the24 SCU firmware running on M4.25 26config IMX_SCMI_MISC_DRV27 tristate "IMX SCMI MISC Protocol driver"28 depends on IMX_SCMI_MISC_EXT || COMPILE_TEST29 default y if ARCH_MXC30 help31 The System Controller Management Interface firmware (SCMI FW) is32 a low-level system function which runs on a dedicated Cortex-M33 core that could provide misc functions such as board control.34 35 This driver can also be built as a module.36