linux-kernel - Re: [PATCH 00/11] Add CMU/RMU/DMA support for Actions Semi S500 SoCs

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Date:   Mon, 22 Jun 2020 15:18:09 +0300
From:   Cristian Ciocaltea <cristian.ciocaltea@...il.com>
To:     Stephen Boyd <sboyd@...nel.org>
Cc:     Andreas Färber <afaerber@...e.de>,
        Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Rob Herring <robh+dt@...nel.org>,
        linux-actions@...ts.infradead.org,
        Michael Turquette <mturquette@...libre.com>,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-clk@...r.kernel.org
Subject: Re: [PATCH 00/11] Add CMU/RMU/DMA support for Actions Semi S500 SoCs

On Mon, Jun 22, 2020 at 01:13:31AM -0700, Stephen Boyd wrote:
> Quoting Cristian Ciocaltea (2020-06-17 09:48:00)
> > This patch series improves the existing implementation of the Clock
> > Management Unit for the Actions Semi S500 SoC, by adding support for
> > some missing clocks, like DMAC and GPIO.
> > 
> > Additionally, it enables the UART nodes in the common owl-s500 DTS to
> > use the clock provided by the CMU. That means the S500 based SBCs can
> > now get rid of their (fake) UART fixed clock and, as a matter of fact,
> > this has been already done here for RoseapplePi, the new board which
> > is going to be supported (hopefully) via the following patchset:
> > https://lore.kernel.org/lkml/cover.1592123160.git.cristian.ciocaltea@gmail.com/
> > 
> > Eventually, the patchset adds support for the Actions Semi S500 SoC's
> > DMA controller and Reset Management Unit. Please note the already
> > existing Actions Semi Owl SoCs DMA driver seems to be fully compatible
> > with S500, even though this is not explicitly mentioned in the source
> > code. For the moment, I have just enabled the DMA controller node in
> > owl-s500 DTS using the "actions,s900-dma" compatible string.
> > 
> > In the upcoming patch series I will provide a pinctrl driver and enable
> > access to MMC and I2C.
> > 
> 
> Can you please untangle this from the DTS changes? The clk driver
> changes will go through the clk tree and the DTS changes will go through
> arm-soc. Please send them as separate patch series to the respective
> maintainers.

Hi Stephen,

Thank you for reviewing!
I will submit v2 having the DTS related changes removed from this patch
series.

Regards,
Cristi