THEAD C9XX ACLINT S-mode IPI Interrupt Controller

modulename: irq-thead-c900-aclint-sswi.ko

configname: CONFIG_THEAD_C900_ACLINT_SSWI

Linux Kernel Configuration
└─>Device Drivers
└─>IRQ chip support
└─>THEAD C9XX ACLINT S-mode IPI Interrupt Controller
In linux kernel since version 6.13 (release Date: 2025-01-19)  
This enables support for T-HEAD specific ACLINT SSWI device
support.

If you don't know what to do here, say Y.

source code:
selects
CONFIG_IRQ_DOMAIN_HIERARCHY
CONFIG_GENERIC_IRQ_IPI_MUX