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Date:   Thu, 30 Nov 2023 12:10:03 +0000
From:   Conor Dooley <conor@kernel.org>
To:     Anup Patel <apatel@ventanamicro.com>
Cc:     Inochi Amaoto <inochiama@outlook.com>,
        Daniel Lezcano <daniel.lezcano@linaro.org>,
        Thomas Gleixner <tglx@linutronix.de>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Conor Dooley <conor+dt@kernel.org>,
        Paul Walmsley <paul.walmsley@sifive.com>,
        Palmer Dabbelt <palmer@dabbelt.com>,
        Albert Ou <aou@eecs.berkeley.edu>,
        Chen Wang <unicorn_wang@outlook.com>,
        Anup Patel <anup@brainfault.org>,
        Samuel Holland <samuel.holland@sifive.com>,
        Guo Ren <guoren@kernel.org>,
        Jisheng Zhang <jszhang@kernel.org>,
        linux-kernel@vger.kernel.org, devicetree@vger.kernel.org,
        linux-riscv@lists.infradead.org
Subject: Re: [PATCH v4 1/2] dt-bindings: timer: thead,c900-aclint-mtimer:
 separate mtime and mtimecmp regs
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On Thu, Nov 30, 2023 at 05:18:15PM +0530, Anup Patel wrote:
> On Thu, Nov 30, 2023 at 5:15=E2=80=AFPM Conor Dooley <conor@kernel.org> w=
rote:

> > > 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?
>=20
> 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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