linux-kernel - Re: [PATCH 0/2] Baisc devicetree support for Amlogic T7

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Date:   Thu, 29 Jun 2023 17:33:29 +0100
From:   Lucas Tanure <tanure@...ux.com>
To:     Xianwei Zhao <xianwei.zhao@...ogic.com>
Cc:     Conor Dooley <conor.dooley@...rochip.com>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-amlogic@...ts.infradead.org, devicetree@...r.kernel.org,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>,
        Neil Armstrong <neil.armstrong@...aro.org>,
        Kevin Hilman <khilman@...libre.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>
Subject: Re: [PATCH 0/2] Baisc devicetree support for Amlogic T7

On Tue, Jun 27, 2023 at 8:52 AM Xianwei Zhao <xianwei.zhao@...ogic.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@...ux.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@...ts.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

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