[PATCH v14 0/9] Add Sunplus SP7021 SoC Support

qinjian[覃健] qinjian at cqplus1.com
Fri May 6 01:34:17 PDT 2022


> 
> On Fri, May 6, 2022 at 5:23 AM Qin Jian <qinjian at cqplus1.com> wrote:
> >
> > This patch series add Sunplus SP7021 SoC support.
> >
> > Sunplus SP7021 is an ARM Cortex A7 (4 cores) based SoC. It integrates many
> > peripherals (ex: UART, I2C, SPI, SDIO, eMMC, USB, SD card and etc.) into a
> > single chip. It is designed for industrial control.
> >
> > SP7021 consists of two chips (dies) in a package. One is called C-chip
> > (computing chip). It is a 4-core ARM Cortex A7 CPU. It adopts high-level
> > process (22 nm) for high performance computing. The other is called P-
> > chip (peripheral chip). It has many peripherals and an ARM A926 added
> > especially for real-time control. P-chip is made for customers. It adopts
> > low-level process (ex: 0.11 um) to reduce cost.
> 
> Just an update from my side about merging the platform code: the
> submission looks mostly sensible to me, but as long as the clk and irqchip
> drivers have not finished the review, I cannot take this through the soc
> tree. We could consider merging the platform code without those two
> drivers, but that seems pointless because it will not boot.
> 

The reviewers no reply, I don’t know why.

> What is the reason you don't include a .dtsi file in this series? Usually
> there should be at least one board and the description of the SoC itself.
> Again, without those I'm not sure it's worth merging.
> 

Sorry, I'll add the dts file in next patch.

> For the timing, we are getting close to the 5.19 merge window that
> starts once v5.18 is out, and I don't expect that all the above will
> be resolved in time, so it looks we will have to defer it by one more
> release to 5.20.
> 
>           Arnd


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