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[v6,0/3] Visconti: Add Toshiba Visconti PCIe host controller driver

Message ID 20210811083830.784065-1-nobuhiro1.iwamatsu@toshiba.co.jp (mailing list archive)
Headers show
Series Visconti: Add Toshiba Visconti PCIe host controller driver | expand

Message

Nobuhiro Iwamatsu Aug. 11, 2021, 8:38 a.m. UTC
Hi,

This series is the PCIe driver for Toshiba's ARM SoC, Visconti[0].
This provides DT binding documentation, device driver, MAINTAINER files.

Best regards,
  Nobuhiro

[0]: https://toshiba.semicon-storage.com/ap-en/semiconductor/product/image-recognition-processors-visconti.html

  dt-bindings: pci: Add DT binding for Toshiba Visconti PCIe controller
    v5 -> v6:
      - No update.
    v4 -> v5:
      - No update.
    v3 -> v4:
     - Changed the redundant clock name.
    v2 -> v3:
      - No update.
    v1 -> v2:
      - Remove white space.
      - Drop num-viewport and bus-range from required.
      - Drop status line from example.
      - Drop bus-range from required.
      - Removed lines defined in pci-bus.yaml from required.

  PCI: visconti: Add Toshiba Visconti PCIe host controller driver
    v5 -> v6:                                                                                                                                                                                                                                                                                                                         - Remove unnecessary commit log.                                                                                                                                                                                                                                                                                                - Fix split line of visconti_add_pcie_port() 
    v4 -> v5:
      - Remove PCIE_BUS_OFFSET
      - Change link_up confirmation function of visconti_pcie_link_up().
      - Move setting event mask before dw_pcie_link_up().
      - Move the contents of visconti_pcie_power_on() to visconti_pcie_host_init().
      - Remove code for link_gen.
    v3 -> v4:
      - Change variable from pci_addr to cpu_addr in visconti_pcie_cpu_addr_fixup().
      - Change the calculation method of CPU addres from subtraction to mask, and
        add comment.
      - Drop dma_set_mask_and_coherent().
      - Drop set MAX_MSI_IRQS.
      - Drop dev_dbg for Link speed.
      - Use use the dev_err_probe() to handle the devm_clk_get() failed.
      - Changed the redundant clock name.
    v2 -> v3:
      - Update subject.
      - Wrap description in 75 columns.
      - Change config name to PCIE_VISCONTI_HOST.
      - Update Kconfig text.
      - Drop empty lines.
      - Adjusted to 80 columns.
      - Drop inline from functions for register access.
      - Changed function name from visconti_pcie_check_link_status to
        visconti_pcie_link_up.
      - Update to using dw_pcie_host_init().
      - Reorder these in the order of use in visconti_pcie_establish_link().
      - Rewrite visconti_pcie_host_init() without dw_pcie_setup_rc().
      - Change function name from  visconti_device_turnon() to
        visconti_pcie_power_on().
      - Unify formats such as dev_err().
      - Drop error label in visconti_add_pcie_port(). 
    v1 -> v2:
      - Fix typo in commit message.
      - Drop "depends on OF && HAS_IOMEM" from Kconfig.
      - Stop using the pointer of struct dw_pcie.
      - Use _relaxed variant.
      - Drop dw_pcie_wait_for_link.
      - Drop dbi resource processing.
      - Drop MSI IRQ initialization processing.
  
  MAINTAINERS: Add entries for Toshiba Visconti PCIe controller
    v5 -> v6:
      - No update.
    v4 -> v5:
      - No update.
    v3 -> v4:
      - No update.
    v2 -> v3:
      - No update.
    v1 -> v2:
      - No update.

Nobuhiro Iwamatsu (3):
  dt-bindings: pci: Add DT binding for Toshiba Visconti PCIe controller
  PCI: visconti: Add Toshiba Visconti PCIe host controller driver
  MAINTAINERS: Add entries for Toshiba Visconti PCIe controller

 .../bindings/pci/toshiba,visconti-pcie.yaml   | 110 ++++++
 MAINTAINERS                                   |   2 +
 drivers/pci/controller/dwc/Kconfig            |   9 +
 drivers/pci/controller/dwc/Makefile           |   1 +
 drivers/pci/controller/dwc/pcie-visconti.c    | 333 ++++++++++++++++++
 5 files changed, 455 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/pci/toshiba,visconti-pcie.yaml
 create mode 100644 drivers/pci/controller/dwc/pcie-visconti.c

Comments

Nobuhiro Iwamatsu Aug. 26, 2021, 4:25 a.m. UTC | #1
Hi,

Do you have any comments on this patch series?
If there is no problem, please apply it into the pci tree.

Best regards,
  Nobuhiro

> -----Original Message-----
> From: Nobuhiro Iwamatsu [mailto:nobuhiro1.iwamatsu@toshiba.co.jp]
> Sent: Wednesday, August 11, 2021 5:38 PM
> To: Bjorn Helgaas <bhelgaas@google.com>; Rob Herring <robh+dt@kernel.org>; Lorenzo Pieralisi
> <lorenzo.pieralisi@arm.com>
> Cc: linux-pci@vger.kernel.org; Krzysztof Wilczyński <kw@linux.com>; Kishon Vijay Abraham I <kishon@ti.com>;
> devicetree@vger.kernel.org; agrawal punit(アグラワル プニト □SWC◯ACT) <punit1.agrawal@toshiba.co.jp>;
> ishikawa yuji(石川 悠司 ○RDC□AITC○EA開) <yuji2.ishikawa@toshiba.co.jp>;
> linux-arm-kernel@lists.infradead.org; linux-kernel@vger.kernel.org; iwamatsu nobuhiro(岩松 信洋 □SWC◯ACT)
> <nobuhiro1.iwamatsu@toshiba.co.jp>
> Subject: [PATCH v6 0/3] Visconti: Add Toshiba Visconti PCIe host controller driver
> 
> Hi,
> 
> This series is the PCIe driver for Toshiba's ARM SoC, Visconti[0].
> This provides DT binding documentation, device driver, MAINTAINER files.
> 
> Best regards,
>   Nobuhiro
> 
> [0]: https://toshiba.semicon-storage.com/ap-en/semiconductor/product/image-recognition-processors-visconti.html
> 
>   dt-bindings: pci: Add DT binding for Toshiba Visconti PCIe controller
>     v5 -> v6:
>       - No update.
>     v4 -> v5:
>       - No update.
>     v3 -> v4:
>      - Changed the redundant clock name.
>     v2 -> v3:
>       - No update.
>     v1 -> v2:
>       - Remove white space.
>       - Drop num-viewport and bus-range from required.
>       - Drop status line from example.
>       - Drop bus-range from required.
>       - Removed lines defined in pci-bus.yaml from required.
> 
>   PCI: visconti: Add Toshiba Visconti PCIe host controller driver
>     v5 -> v6:
> - Remove unnecessary commit log.
> - Fix split line of visconti_add_pcie_port()
>     v4 -> v5:
>       - Remove PCIE_BUS_OFFSET
>       - Change link_up confirmation function of visconti_pcie_link_up().
>       - Move setting event mask before dw_pcie_link_up().
>       - Move the contents of visconti_pcie_power_on() to visconti_pcie_host_init().
>       - Remove code for link_gen.
>     v3 -> v4:
>       - Change variable from pci_addr to cpu_addr in visconti_pcie_cpu_addr_fixup().
>       - Change the calculation method of CPU addres from subtraction to mask, and
>         add comment.
>       - Drop dma_set_mask_and_coherent().
>       - Drop set MAX_MSI_IRQS.
>       - Drop dev_dbg for Link speed.
>       - Use use the dev_err_probe() to handle the devm_clk_get() failed.
>       - Changed the redundant clock name.
>     v2 -> v3:
>       - Update subject.
>       - Wrap description in 75 columns.
>       - Change config name to PCIE_VISCONTI_HOST.
>       - Update Kconfig text.
>       - Drop empty lines.
>       - Adjusted to 80 columns.
>       - Drop inline from functions for register access.
>       - Changed function name from visconti_pcie_check_link_status to
>         visconti_pcie_link_up.
>       - Update to using dw_pcie_host_init().
>       - Reorder these in the order of use in visconti_pcie_establish_link().
>       - Rewrite visconti_pcie_host_init() without dw_pcie_setup_rc().
>       - Change function name from  visconti_device_turnon() to
>         visconti_pcie_power_on().
>       - Unify formats such as dev_err().
>       - Drop error label in visconti_add_pcie_port().
>     v1 -> v2:
>       - Fix typo in commit message.
>       - Drop "depends on OF && HAS_IOMEM" from Kconfig.
>       - Stop using the pointer of struct dw_pcie.
>       - Use _relaxed variant.
>       - Drop dw_pcie_wait_for_link.
>       - Drop dbi resource processing.
>       - Drop MSI IRQ initialization processing.
> 
>   MAINTAINERS: Add entries for Toshiba Visconti PCIe controller
>     v5 -> v6:
>       - No update.
>     v4 -> v5:
>       - No update.
>     v3 -> v4:
>       - No update.
>     v2 -> v3:
>       - No update.
>     v1 -> v2:
>       - No update.
> 
> Nobuhiro Iwamatsu (3):
>   dt-bindings: pci: Add DT binding for Toshiba Visconti PCIe controller
>   PCI: visconti: Add Toshiba Visconti PCIe host controller driver
>   MAINTAINERS: Add entries for Toshiba Visconti PCIe controller
> 
>  .../bindings/pci/toshiba,visconti-pcie.yaml   | 110 ++++++
>  MAINTAINERS                                   |   2 +
>  drivers/pci/controller/dwc/Kconfig            |   9 +
>  drivers/pci/controller/dwc/Makefile           |   1 +
>  drivers/pci/controller/dwc/pcie-visconti.c    | 333 ++++++++++++++++++
>  5 files changed, 455 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/pci/toshiba,visconti-pcie.yaml
>  create mode 100644 drivers/pci/controller/dwc/pcie-visconti.c
> 
> --
> 2.32.0
Lorenzo Pieralisi Aug. 26, 2021, 1:01 p.m. UTC | #2
On Wed, 11 Aug 2021 17:38:27 +0900, Nobuhiro Iwamatsu wrote:
> This series is the PCIe driver for Toshiba's ARM SoC, Visconti[0].
> This provides DT binding documentation, device driver, MAINTAINER files.
> 
> Best regards,
>   Nobuhiro
> 
> [0]: https://toshiba.semicon-storage.com/ap-en/semiconductor/product/image-recognition-processors-visconti.html
> 
> [...]

Applied to pci/dwc, thanks!

[1/3] dt-bindings: pci: Add DT binding for Toshiba Visconti PCIe controller
      https://git.kernel.org/lpieralisi/pci/c/a655ce4000
[2/3] PCI: visconti: Add Toshiba Visconti PCIe host controller driver
      https://git.kernel.org/lpieralisi/pci/c/09436f819c
[3/3] MAINTAINERS: Add entries for Toshiba Visconti PCIe controller
      https://git.kernel.org/lpieralisi/pci/c/34af7aace1

Thanks,
Lorenzo
Nobuhiro Iwamatsu Aug. 26, 2021, 11:49 p.m. UTC | #3
Hi,

> -----Original Message-----
> From: Lorenzo Pieralisi [mailto:lorenzo.pieralisi@arm.com]
> Sent: Thursday, August 26, 2021 10:01 PM
> To: iwamatsu nobuhiro(岩松 信洋 □SWC◯ACT) <nobuhiro1.iwamatsu@toshiba.co.jp>; Rob Herring
> <robh+dt@kernel.org>; Bjorn Helgaas <bhelgaas@google.com>
> Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>; Kishon Vijay Abraham I <kishon@ti.com>; ishikawa yuji(石川 悠司
> ○RDC□AITC○EA開) <yuji2.ishikawa@toshiba.co.jp>; linux-arm-kernel@lists.infradead.org;
> linux-pci@vger.kernel.org; Krzysztof Wilczyński <kw@linux.com>; agrawal punit(アグラワル プニト □SWC◯ACT)
> <punit1.agrawal@toshiba.co.jp>; devicetree@vger.kernel.org; linux-kernel@vger.kernel.org
> Subject: Re: [PATCH v6 0/3] Visconti: Add Toshiba Visconti PCIe host controller driver
> 
> On Wed, 11 Aug 2021 17:38:27 +0900, Nobuhiro Iwamatsu wrote:
> > This series is the PCIe driver for Toshiba's ARM SoC, Visconti[0].
> > This provides DT binding documentation, device driver, MAINTAINER files.
> >
> > Best regards,
> >   Nobuhiro
> >
> > [0]: https://toshiba.semicon-storage.com/ap-en/semiconductor/product/image-recognition-processors-visconti.html
> >
> > [...]
> 
> Applied to pci/dwc, thanks!

Thanks! But...
> 
> [1/3] dt-bindings: pci: Add DT binding for Toshiba Visconti PCIe controller
>       https://git.kernel.org/lpieralisi/pci/c/a655ce4000
> [2/3] PCI: visconti: Add Toshiba Visconti PCIe host controller driver
>       https://git.kernel.org/lpieralisi/pci/c/09436f819c

Only drivers/pci/controller/dwc/Makefile is applied. Could you check this?	

> [3/3] MAINTAINERS: Add entries for Toshiba Visconti PCIe controller
>       https://git.kernel.org/lpieralisi/pci/c/34af7aace1
> 
> Thanks,
> Lorenzo

Best regards,
  Nobuhiro
Lorenzo Pieralisi Aug. 27, 2021, 9:48 a.m. UTC | #4
On Thu, Aug 26, 2021 at 11:49:04PM +0000, nobuhiro1.iwamatsu@toshiba.co.jp wrote:
> Hi,
> 
> > -----Original Message-----
> > From: Lorenzo Pieralisi [mailto:lorenzo.pieralisi@arm.com]
> > Sent: Thursday, August 26, 2021 10:01 PM
> > To: iwamatsu nobuhiro(岩松 信洋 □SWC◯ACT) <nobuhiro1.iwamatsu@toshiba.co.jp>; Rob Herring
> > <robh+dt@kernel.org>; Bjorn Helgaas <bhelgaas@google.com>
> > Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>; Kishon Vijay Abraham I <kishon@ti.com>; ishikawa yuji(石川 悠司
> > ○RDC□AITC○EA開) <yuji2.ishikawa@toshiba.co.jp>; linux-arm-kernel@lists.infradead.org;
> > linux-pci@vger.kernel.org; Krzysztof Wilczyński <kw@linux.com>; agrawal punit(アグラワル プニト □SWC◯ACT)
> > <punit1.agrawal@toshiba.co.jp>; devicetree@vger.kernel.org; linux-kernel@vger.kernel.org
> > Subject: Re: [PATCH v6 0/3] Visconti: Add Toshiba Visconti PCIe host controller driver
> > 
> > On Wed, 11 Aug 2021 17:38:27 +0900, Nobuhiro Iwamatsu wrote:
> > > This series is the PCIe driver for Toshiba's ARM SoC, Visconti[0].
> > > This provides DT binding documentation, device driver, MAINTAINER files.
> > >
> > > Best regards,
> > >   Nobuhiro
> > >
> > > [0]: https://toshiba.semicon-storage.com/ap-en/semiconductor/product/image-recognition-processors-visconti.html
> > >
> > > [...]
> > 
> > Applied to pci/dwc, thanks!
> 
> Thanks! But...
> > 
> > [1/3] dt-bindings: pci: Add DT binding for Toshiba Visconti PCIe controller
> >       https://git.kernel.org/lpieralisi/pci/c/a655ce4000
> > [2/3] PCI: visconti: Add Toshiba Visconti PCIe host controller driver
> >       https://git.kernel.org/lpieralisi/pci/c/09436f819c
> 
> Only drivers/pci/controller/dwc/Makefile is applied. Could you check this?	

I fixed this. Please don't write patch versions changes in the commit
log - I had to delete those myself, I did not notice while applying
them.

Please let me know if the branch looks OK now.

Lorenzo

> > [3/3] MAINTAINERS: Add entries for Toshiba Visconti PCIe controller
> >       https://git.kernel.org/lpieralisi/pci/c/34af7aace1
> > 
> > Thanks,
> > Lorenzo
> 
> Best regards,
>   Nobuhiro
Nobuhiro Iwamatsu Aug. 28, 2021, 1:14 a.m. UTC | #5
Hi,

On Fri, Aug 27, 2021 at 10:48:15AM +0100, Lorenzo Pieralisi wrote:
> On Thu, Aug 26, 2021 at 11:49:04PM +0000, nobuhiro1.iwamatsu@toshiba.co.jp wrote:
> > Hi,
> > 
> > > -----Original Message-----
> > > From: Lorenzo Pieralisi [mailto:lorenzo.pieralisi@arm.com]
> > > Sent: Thursday, August 26, 2021 10:01 PM
> > > To: iwamatsu nobuhiro(岩松 信洋 □SWC◯ACT) <nobuhiro1.iwamatsu@toshiba.co.jp>; Rob Herring
> > > <robh+dt@kernel.org>; Bjorn Helgaas <bhelgaas@google.com>
> > > Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>; Kishon Vijay Abraham I <kishon@ti.com>; ishikawa yuji(石川 悠司
> > > ○RDC□AITC○EA開) <yuji2.ishikawa@toshiba.co.jp>; linux-arm-kernel@lists.infradead.org;
> > > linux-pci@vger.kernel.org; Krzysztof Wilczyński <kw@linux.com>; agrawal punit(アグラワル プニト □SWC◯ACT)
> > > <punit1.agrawal@toshiba.co.jp>; devicetree@vger.kernel.org; linux-kernel@vger.kernel.org
> > > Subject: Re: [PATCH v6 0/3] Visconti: Add Toshiba Visconti PCIe host controller driver
> > > 
> > > On Wed, 11 Aug 2021 17:38:27 +0900, Nobuhiro Iwamatsu wrote:
> > > > This series is the PCIe driver for Toshiba's ARM SoC, Visconti[0].
> > > > This provides DT binding documentation, device driver, MAINTAINER files.
> > > >
> > > > Best regards,
> > > >   Nobuhiro
> > > >
> > > > [0]: https://toshiba.semicon-storage.com/ap-en/semiconductor/product/image-recognition-processors-visconti.html
> > > >
> > > > [...]
> > > 
> > > Applied to pci/dwc, thanks!
> > 
> > Thanks! But...
> > > 
> > > [1/3] dt-bindings: pci: Add DT binding for Toshiba Visconti PCIe controller
> > >       https://git.kernel.org/lpieralisi/pci/c/a655ce4000
> > > [2/3] PCI: visconti: Add Toshiba Visconti PCIe host controller driver
> > >       https://git.kernel.org/lpieralisi/pci/c/09436f819c
> > 
> > Only drivers/pci/controller/dwc/Makefile is applied. Could you check this?	
> 
> I fixed this. Please don't write patch versions changes in the commit
> log - I had to delete those myself, I did not notice while applying
> them.

Sorry about this.

> 
> Please let me know if the branch looks OK now.
> 

Looks good to me.
Thanks for your work.

> Lorenzo
> 
> > > [3/3] MAINTAINERS: Add entries for Toshiba Visconti PCIe controller
> > >       https://git.kernel.org/lpieralisi/pci/c/34af7aace1
> > > 
> > > Thanks,
> > > Lorenzo
> > 

Best regards,
  Nobuhiro
Rob Herring Aug. 30, 2021, 4 p.m. UTC | #6
On Thu, Aug 26, 2021 at 8:01 AM Lorenzo Pieralisi
<lorenzo.pieralisi@arm.com> wrote:
>
> On Wed, 11 Aug 2021 17:38:27 +0900, Nobuhiro Iwamatsu wrote:
> > This series is the PCIe driver for Toshiba's ARM SoC, Visconti[0].
> > This provides DT binding documentation, device driver, MAINTAINER files.
> >
> > Best regards,
> >   Nobuhiro
> >
> > [0]: https://toshiba.semicon-storage.com/ap-en/semiconductor/product/image-recognition-processors-visconti.html
> >
> > [...]
>
> Applied to pci/dwc, thanks!
>
> [1/3] dt-bindings: pci: Add DT binding for Toshiba Visconti PCIe controller
>       https://git.kernel.org/lpieralisi/pci/c/a655ce4000

This is already in my tree due to the DW schema conversion.

Rob