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Reply-To: tanure@linux.com
From:   Lucas Tanure <tanure@linux.com>
Date:   Fri, 30 Jun 2023 05:39:07 +0100
Message-ID: <CAJX_Q+3jDsFwmx-voMxCiKadJSobV00BuwLjpzc72UK5681ibQ@mail.gmail.com>
Subject: Re: [PATCH 0/2] Baisc devicetree support for Amlogic T7
To:     Xianwei Zhao <xianwei.zhao@amlogic.com>
Cc:     Conor Dooley <conor.dooley@microchip.com>,
        linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org,
        linux-amlogic@lists.infradead.org, devicetree@vger.kernel.org,
        Catalin Marinas <catalin.marinas@arm.com>,
        Will Deacon <will@kernel.org>,
        Neil Armstrong <neil.armstrong@linaro.org>,
        Kevin Hilman <khilman@baylibre.com>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Conor Dooley <conor+dt@kernel.org>
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On Fri, Jun 30, 2023 at 3:22 AM Xianwei Zhao <xianwei.zhao@amlogic.com> wrote:
>
>
>
> On 2023/6/30 00:33, Lucas Tanure wrote:
> > [ EXTERNAL EMAIL ]
> >
> > On Tue, Jun 27, 2023 at 8:52 AM Xianwei Zhao <xianwei.zhao@amlogic.com> wrote:
> >>
> >>
> >> On 2023/6/27 15:23, Conor Dooley wrote:
> >>
> >>
> >>   > [ EXTERNAL EMAIL ]
> >>   >
> >>   > On Tue, Jun 27, 2023 at 02:13:34PM +0800, Xianwei Zhao wrote:
> >>   >> Hi Conor,
> >>   >>      Thanks for you reply.
> >>   >> On 2023/6/26 18:02, Conor Dooley wrote:
> >>   >>
> >>   >>
> >>   >>> [ EXTERNAL EMAIL ]
> >>   >>>
> >>   >>> Hey,
> >>   >>>
> >>   >>> On Mon, Jun 26, 2023 at 05:52:21PM +0800, Xianwei Zhao wrote:
> >>   >>>> T7 is an advanced application processor designed for smart display.
> >>   >>>>
> >>   >>>> Add the new T7 SoC/board device tree bindings.
> >>   >>>>
> >>   >>>> Add basic support for the T7 based Amlogic AN400 board, which
> >>   >>>> describesthe following components: CPU, GIC, IRQ, Timer, UART. It's
> >>   >>>> capable of booting up into the serial console.
> >>   >>>
> >>   >>> Lucas has already sent patches for the T7 SoC & is at v5:
> >>   >>> https://lore.kernel.org/linux-devicetree/20230623081242.109131-1-
> >>   >>> tanure@linux.com/
> >>   >>> There's been a bit of discussion there, and there serial stuff in
> >>   >>> particular is different in his series (it doesn't use always-on for
> >>   >>> examples).
> >>   >>> Could you please go and take a look at his series?
> >>   >>>
> >>   >>> Cheers,
> >>   >>> Conor.
> >>   >>>
> >>   >> AN400 is the reference board designed by Amlogic, which is different
> >>   >> from Khadas VIM4.
> >>   >
> >>   > Yet you share the same dtsi, which he has got through several
> >>   > iterations of before you arrived.
> >>   >
> >> Hi Lucas,
> >> Are you going to continue with the dtsi part?
> >>
> >>   >> And T7 serial is the same as S4, so I follow S4 serial.
> >>   >
> >>   > Yeah, no. SoC specific compatible please.
> >>   >
> >>   >
> >>   > _______________________________________________
> >>   > linux-amlogic mailing list
> >>   > linux-amlogic@lists.infradead.org
> >>   > http://lists.infradead.org/mailman/listinfo/linux-amlogic
> >
> > Hi Xianwei,
> >
> > I am doing the basics for Amlogic T7 A311D2, but the next step ( sd
> > card or emmc, something to boot on) would be more difficult for me
> > than you.
> > After the first series for Vim4 gets merged, I will start to work on
> > how to get sd cards working.
> > But if you already have that working for the AN400 board, please send
> > it. And I will look at that work and use it for Vim4.
> >
> > Or, if you don't have it ready and want to share it with me, we can
> > work together on these A311D2 patches.
> > You test on AN400, and I test on Vim4.
> >
> > Thanks
> > Lucas
>
> We are preparing this part. However it depends on clock. So the clock
> must ready first.

Will you send clock for T7?