# SPDX-License-Identifier: GPL-2.0-only config [31mCONFIG_IMX_DSP[0m bool "IMX DSP Protocol driver" depends on [31mCONFIG_IMX_MBOX[0m help This enables DSP IPC protocol between host AP (Linux) and the firmware running on DSP. DSP exists on some i.MX8 processors (e.g i.MX8QM, i.MX8QXP). It acts like a doorbell. Client might use shared memory to exchange information with DSP side. config [31mCONFIG_IMX_SCU[0m bool "IMX SCU Protocol driver" depends on [31mCONFIG_IMX_MBOX[0m help The System Controller Firmware (SCFW) is a low-level system function which runs on a dedicated Cortex-[31mCONFIG_M[0m core to provide power, clock, and resource management. It exists on some i.MX8 processors. e.g. i.MX8QM (QM, QP), and i.MX8QX (QXP, DX). This driver manages the IPC interface between host CPU and the SCU firmware running on M4. config [31mCONFIG_IMX_SCU_PD[0m bool "IMX SCU Power Domain driver" depends on [31mCONFIG_IMX_SCU[0m help The System Controller Firmware (SCFW) based power domain driver. |