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Subject: Re: [PATCH v2 00/15] Add basic support for Socionext Milbeaut M10V
 SoC
To:     Arnd Bergmann <arnd@arndb.de>,
        Sugaya Taichi <sugaya.taichi@socionext.com>
Cc:     DTML <devicetree@vger.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Linux ARM <linux-arm-kernel@lists.infradead.org>,
        linux-clk <linux-clk@vger.kernel.org>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@vger.kernel.org>,
        linux-serial@vger.kernel.org, Rob Herring <robh+dt@kernel.org>,
        Mark Rutland <mark.rutland@arm.com>,
        Michael Turquette <mturquette@baylibre.com>,
        Stephen Boyd <sboyd@kernel.org>,
        Linus Walleij <linus.walleij@linaro.org>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Thomas Gleixner <tglx@linutronix.de>,
        Russell King <linux@armlinux.org.uk>,
        Jiri Slaby <jslaby@suse.com>,
        Takao Orito <orito.takao@socionext.com>,
        Kazuhiro Kasai <kasai.kazuhiro@socionext.com>,
        Shinji Kanematsu <kanematsu.shinji@socionext.com>,
        Jassi Brar <jaswinder.singh@linaro.org>,
        Masami Hiramatsu <masami.hiramatsu@linaro.org>
References: <1549628687-29628-1-git-send-email-sugaya.taichi@socionext.com>
 <CAK8P3a3_j2W+KXSynW_SkVZk_+PJ-DqyxjLkgJL-OichS0fwWw@mail.gmail.com>
From:   Daniel Lezcano <daniel.lezcano@linaro.org>
Message-ID: <10a0375b-0814-6b7d-97d5-ed2c2838c4b4@linaro.org>
Date:   Mon, 18 Feb 2019 13:29:26 +0100
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On 18/02/2019 13:20, Arnd Bergmann wrote:
> On Fri, Feb 8, 2019 at 1:24 PM Sugaya Taichi
> <sugaya.taichi@socionext.com> wrote:
>>
>> Hi,
>>
>> Here is the series of patches the initial support for SC2000(M10V) of
>> Milbeaut SoCs. "M10V" is the internal name of SC2000, so commonly used in
>> source code.
>>
>> SC2000 is a SoC of the Milbeaut series. equipped with a DSP optimized for
>> computer vision. It also features advanced functionalities such as 360-degree,
>> real-time spherical stitching with multi cameras, image stabilization for
>> without mechanical gimbals, and rolling shutter correction. More detail is
>> below:
>> https://www.socionext.com/en/products/assp/milbeaut/SC2000.html
>>
>> Specifications for developers are below:
>>  - Quad-core 32bit Cortex-A7 on ARMv7-A architecture
>>  - NEON support
>>  - DSP
>>  - GPU
>>  - MAX 3GB DDR3
>>  - Cortex-M0 for power control
>>  - NAND Flash Interface
>>  - SD UHS-I
>>  - SD UHS-II
>>  - SDIO
>>  - USB2.0 HOST / Device
>>  - USB3.0 HOST / Device
>>  - PCI express Gen2
>>  - Ethernet Engine
>>  - I2C
>>  - UART
>>  - SPI
>>  - PWM
>>
>> Support is quite minimal for now, since it only includes timer, clock,
>> pictrl and serial controller drivers, so we can only boot to userspace
>> through initramfs. Support for the other peripherals  will come eventually.
> 
> I've looked over the platform once more. Overall, it looks very good, and
> I'd still like to merge this for linux-5.1, but we are running out of time
> there. If you send the patches to soc@kernel.org quickly, we can try to
> still merge them in, but if anything goes wrong, it will have to wait until
> we start merging patches for 5.2, directly after 5.1 is out.
> 
> I did not look at the device driver patches (clk, clocksource, pinctrl, serial)
> in much detail. If you have an Ack from the maintainers, feel free to
> include them in the series, otherwise let's merge the rest now and then
> you can send the updated patches for inclusion through the subsystem
> trees in 5.2.

I'm not in copy of the clocksource patch but I acked it for the initial
post.

> I have sent a few comments. The only one that is really important
> here is the missing platform check in the suspend options. Please
> try to address most of the other commentsm, either by changing the
> code, or by explaining why your version is correct.
> 
> 
> 
>      Arnd
> 


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