[PATCH v4 1/2] dt-bindings: timer: thead,c900-aclint-mtimer: separate mtime and mtimecmp regs

Conor Dooley conor at kernel.org
Thu Nov 30 04:10:03 PST 2023


On Thu, Nov 30, 2023 at 05:18:15PM +0530, Anup Patel wrote:
> On Thu, Nov 30, 2023 at 5:15 PM Conor Dooley <conor at kernel.org> wrote:

> > > and add separate "riscv" prefixed DT binding for RISC-V mtimer.
> >
> > Do you know of any users for a "riscv,mtimer" binding that are not
> > covered by existing bindings for the clint?
> 
> Ventana Veyron-v1 implements a mtimer per-cluster (or chiplet)
> which is compatible to "riscv,mtimer" (i.e. we have both mtime
> and mtimecmp MMIO registers).

Okay, thanks. I guess iff veyron-v1 DT support shows up (or other
similar devices) we can go ahead with a "riscv,mtimer" binding then.
I had thought that you guys were going to be using ACPI though, so
I guess the "other similar devices" applies.


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