Messages in this thread | | | Subject | Re: [PATCH v2 00/10] Add support for TISCI irqchip drivers | From | Santosh Shilimkar <> | Date | Mon, 22 Oct 2018 13:39:02 -0700 |
| |
On 10/18/2018 8:40 AM, Lokesh Vutla wrote: > TISCI abstracts the handling of IRQ routes where interrupt sources > are not directly connected to host interrupt controller. This series > adds support for: > - TISCI commands needed for IRQ configuration > - Interrupt Router(INTR) and Interrupt Aggregator(INTA) drivers > > More information on TISCI IRQ management can be found here[1]. > Complete TISCI resource management information can be found here[2]. > AM65x SoC related TISCI information can be found here[3]. > INTR and INTA related information can be found in TRM[4]. > I didn't read the specs but from what you described in INTA and INTR bindings, does the flow of IRQs like below ?
Device IRQ(e.g USB) -->INTR-->INTA--->HOST IRQ controller(GIC)
The confusing part is aggregator and can multiplex as well as grouping but seems like its event grouping or multiplexing than actual device IRQ grouping or multi-plexsing.
What am I missing ?
Regards,S antosh
| |