Sophgo SG2042 MSI Controller

modulename: irq-sg2042-msi.ko

configname: CONFIG_SOPHGO_SG2042_MSI

Linux Kernel Configuration
└─>Device Drivers
└─>IRQ chip support
└─>PCI support
└─>Sophgo SG2042 MSI Controller
In linux kernel since version 6.6.86 (release Date: 2025-04-07)  
Support for the Sophgo SG2042 MSI Controller.
This on-chip interrupt controller enables MSI sources to be
routed to the primary PLIC controller on SoC.

source code:
selects
CONFIG_IRQ_DOMAIN_HIERARCHY
CONFIG_IRQ_MSI_LIB
CONFIG_PCI_MSI

depends
CONFIG_PCI
CONFIG_ARCH_SOPHGO or CONFIG_COMPILE_TEST