linux-kernel - Re: [PATCH V3 0/6] PCI: tegra: Enable PCIe C5 controller of Tegra194 in p2972-0000 platform

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Date:   Thu, 5 Sep 2019 10:34:44 +0100
From:   Lorenzo Pieralisi <lorenzo.pieralisi@....com>
To:     Vidya Sagar <vidyas@...dia.com>
Cc:     bhelgaas@...gle.com, robh+dt@...nel.org, thierry.reding@...il.com,
        jonathanh@...dia.com, andrew.murray@....com, kishon@...com,
        gustavo.pimentel@...opsys.com, digetx@...il.com,
        mperttunen@...dia.com, linux-pci@...r.kernel.org,
        devicetree@...r.kernel.org, linux-tegra@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        kthota@...dia.com, mmaddireddy@...dia.com, sagar.tv@...il.com
Subject: Re: [PATCH V3 0/6] PCI: tegra: Enable PCIe C5 controller of Tegra194
 in p2972-0000 platform

On Thu, Sep 05, 2019 at 01:44:46PM +0530, Vidya Sagar wrote:
> Hi Lorenzo / Bjorn,
> Can you please review this series?
> I have Reviewed-by and Acked-by from Rob, Thierry and Andrew already.

Rebase it on top of my pci/tegra branch (it does not apply),
resend it and I will merge it.

Thanks,
Lorenzo

> Thanks,
> Vidya Sagar
> 
> On 8/28/2019 10:58 PM, Vidya Sagar wrote:
> > This patch series enables Tegra194's C5 controller which owns x16 slot in
> > p2972-0000 platform. C5 controller's PERST# and CLKREQ# are not configured as
> > output and bi-directional signals by default and hence they need to be
> > configured explicitly. Also, x16 slot's 3.3V and 12V supplies are controlled
> > through GPIOs and hence they need to be enabled through regulator framework.
> > This patch series adds required infrastructural support to address both the
> > aforementioned requirements.
> > Testing done on p2972-0000 platform
> > - Able to enumerate devices connected to x16 slot (owned by C5 controller)
> > - Enumerated device's functionality verified
> > - Suspend-Resume sequence is verified with device connected to x16 slot
> > 
> > V3:
> > * Addressed some more review comments from Andrew Murray and Thierry Reding
> > 
> > V2:
> > * Changed the order of patches in the series for easy merging
> > * Addressed review comments from Thierry Reding and Andrew Murray
> > 
> > Vidya Sagar (6):
> >    dt-bindings: PCI: tegra: Add sideband pins configuration entries
> >    dt-bindings: PCI: tegra: Add PCIe slot supplies regulator entries
> >    PCI: tegra: Add support to configure sideband pins
> >    PCI: tegra: Add support to enable slot regulators
> >    arm64: tegra: Add configuration for PCIe C5 sideband signals
> >    arm64: tegra: Add PCIe slot supply information in p2972-0000 platform
> > 
> >   .../bindings/pci/nvidia,tegra194-pcie.txt     | 16 ++++
> >   .../arm64/boot/dts/nvidia/tegra194-p2888.dtsi | 24 +++++
> >   .../boot/dts/nvidia/tegra194-p2972-0000.dts   |  4 +-
> >   arch/arm64/boot/dts/nvidia/tegra194.dtsi      | 38 +++++++-
> >   drivers/pci/controller/dwc/pcie-tegra194.c    | 94 ++++++++++++++++++-
> >   5 files changed, 172 insertions(+), 4 deletions(-)
> > 
>