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References: <20220330154024.112270-1-phil.edworthy@renesas.com>
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From:   Geert Uytterhoeven <geert@linux-m68k.org>
Date:   Wed, 20 Apr 2022 22:11:24 +0200
Message-ID: <CAMuHMdVV=PBfboHUk-wi1coAy7rcpDngKGSTqDWh-5vnSc91pg@mail.gmail.com>
Subject: Re: [PATCH v2 00/14] Add new Renesas RZ/V2M SoC and Renesas RZ/V2M
 EVK support
To:     Phil Edworthy <phil.edworthy@renesas.com>
Cc:     Magnus Damm <magnus.damm@gmail.com>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>,
        Michael Turquette <mturquette@baylibre.com>,
        Stephen Boyd <sboyd@kernel.org>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Biju Das <biju.das.jz@bp.renesas.com>,
        Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>,
        Chris Paterson <Chris.Paterson2@renesas.com>,
        Linux-Renesas <linux-renesas-soc@vger.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@vger.kernel.org>,
        linux-clk <linux-clk@vger.kernel.org>,
        "open list:SERIAL DRIVERS" <linux-serial@vger.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
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Hi Phil,

On Wed, Mar 30, 2022 at 5:40 PM Phil Edworthy <phil.edworthy@renesas.com> wrote:
> RZ/V2M has a dual-core Cortex-A53 (1.0 GHz) CPU and built-in AI
> accelerator "DRP-AI" for vision, which is Renesas' original technology.
> It also has a 32-bit LPDDR4 interface and video codec (H.264).
>
> The RZ/V2M is used with ISP firmware that runs on one of the Cortex-A53
> cores. The firmware is an integral part of the SoC such that the HW
> User's Manual documents which of the peripheral modules are used by the
> firmware.
>
> Initial patches enables minimal peripherals on Renesas RZ/V2M EVK board
> and booted via nfs. Ethernet is broadly compatible with the
> etheravb-rcar-gen3 driver, but interrupts need some work so it's not
> been included in this patch set.
>
> Below blocks are enabled on Renesas RZ/V2M EVK board:
> - memory
> - External input clock
> - CPG
> - UART

Thanks for your series!

> v2:
>  * Removed SYS dt-bindings patch and corresponding SoC identification
>    as we only used the LSI version register. This can be dealt with
>    later on.

That patch[1] also introduced the ARCH_R9A09G011 config symbol,
without which none of the new code in this series is built.

[1] [PATCH 07/14] soc: renesas: Identify RZ/V2M SoC
    https://lore.kernel.org/all/20220321154232.56315-8-phil.edworthy@renesas.com/

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds