1# SPDX-License-Identifier: GPL-2.0-only 2config IMX_DSP 3 bool "IMX DSP Protocol driver" 4 depends on IMX_MBOX 5 help 6 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 to 11 exchange information with DSP side. 12 13config IMX_SCU 14 bool "IMX SCU Protocol driver" 15 depends on IMX_MBOX 16 help 17 The System Controller Firmware (SCFW) is a low-level system function 18 which runs on a dedicated Cortex-M core to provide power, clock, and 19 resource management. It exists on some i.MX8 processors. e.g. i.MX8QM 20 (QM, QP), and i.MX8QX (QXP, DX). 21 22 This driver manages the IPC interface between host CPU and the 23 SCU firmware running on M4. 24 25config IMX_SCU_PD 26 bool "IMX SCU Power Domain driver" 27 depends on IMX_SCU 28 help 29 The System Controller Firmware (SCFW) based power domain driver. 30