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

From: Xianwei Zhao <xianwei.zhao@amlogic.com>
To: tanure@linux.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>
Subject: Re: [PATCH 0/2] Baisc devicetree support for Amlogic T7
Date: Fri, 30 Jun 2023 10:21:51 +0800	[thread overview]
Message-ID: <0b4b67aa-e8f5-2bd9-223b-0f26add687fe@amlogic.com> (raw)
In-Reply-To: <CAJX_Q+0Kf3zFyUtkCEkm7K8zXwaovxQmo1DWFwy8y25GQ2wqXg@mail.gmail.com>

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.

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