linux-kernel - [PATCH v4 0/5] Add the Renesas USBF controller support

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Message-Id: <20221213133302.218955-1-herve.codina@bootlin.com>
Date:   Tue, 13 Dec 2022 14:32:57 +0100
From:   Herve Codina <herve.codina@...tlin.com>
To:     Geert Uytterhoeven <geert+renesas@...der.be>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Herve Codina <herve.codina@...tlin.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Magnus Damm <magnus.damm@...il.com>,
        Gareth Williams <gareth.williams.jx@...esas.com>
Cc:     linux-renesas-soc@...r.kernel.org, linux-clk@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-usb@...r.kernel.org,
        Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
        Miquel Raynal <miquel.raynal@...tlin.com>
Subject: [PATCH v4 0/5] Add the Renesas USBF controller support

Hi,

This series add support for the Renesas USBF controller (USB Device
Controller) available in the Renesas RZ/N1 SoC.

Based on previous iteration:
  https://lore.kernel.org/all/20221207162435.1001782-1-herve.codina@bootlin.com/
The 'depends-on' property was removed.

Patches 1, 3, 4 and 5 are related to the USBF controller with a new
binding definition, the driver itself and myself as a maintainer
of this controller.

Patch 2 handles h2mode in sysctrl.

Hope that this v4 can lead to some feedbacks on the USB device
controller itself (patch 3).

Best regards,
Herve Codina

Changes v3 -> v4:
  - v3 patches 1, 2, 3 and 4 removed

  - Patch 1 (v3 patch 5)
    Remove 'depends-on' property

  - Patch 2 (v3 patch 6)
    Add 'Reviewed-by: Geert Uytterhoeven <geert+renesas@...der.be>'

  - Patch 3 (v3 patch 7)
    Fix warning raised by the kernel test robot

  - Patch 4 (v3 patch 8)
    Remove 'depends-on' property
    add 'Reviewed-by: Geert Uytterhoeven <geert+renesas@...der.be>'

  - Patch 5 (v3 patch 9)
    No changes

Changes v2 -> v3:
  - v2 Patches 1, 2 and 3 removed.

  - Patches 1, 2, 3 and 4 (new patches)

  - Patch 5 (v2 patch 4):
    Add 'depends-on' property
    Removed redundant 'binding' word

  - Patch 6 (new patch)

  - Patch 7 (v2 patch 5)
    Removed h2mode checking. This check is no more needed and the API no more
    available.

  - Patch 8 (v2 patch 6)
    Add 'depends-on' property

  - Patch 9 (v2 patch 7)
    Fix file name

Changes v1 -> v2:
  - Patch 1:
    Rename r9a06g032_sysctrl_get_usb_h2mode to r9a06g032_sysctrl_get_usb_role
    and return USB_ROLE_{HOST,DEVICE} or an error code.
    Reword commit log

  - Patches 2 and 3:
    No changes. Some previous feedbacks still need to be taken into account
      https://lore.kernel.org/all/20221107182642.05a09f2f@bootlin.com/
      https://lore.kernel.org/all/20221107173614.474707d7@bootlin.com/

  - Patch 4:
    Rename file from renesas,usbf.yaml to renesas,rzn1-usbf.yaml.
    Remove 'oneOf'.
    Add blank line and line break.
    Add 'power-domains'.
    Reword commit log

  - Patch 5:
    Remove clocks handling (handled by runtime PM through the clock domain
    pointed by power-domains).
    Fix compilation warning raised by the 'kernel test robot'.

  - Patch 6:
    Add 'power-domains'

  - Patch 7:
    Add 'Reviewed-by: Geert Uytterhoeven <geert+renesas@...der.be>'


Herve Codina (5):
  dt-bindings: usb: add the Renesas RZ/N1 USBF controller
  soc: renesas: r9a06g032-sysctrl: Handle h2mode setting based on USBF
    presence
  usb: gadget: udc: add Renesas RZ/N1 USBF controller support
  ARM: dts: r9a06g032: Add the USBF controller node
  MAINTAINERS: add the Renesas RZ/N1 USBF controller entry

 .../bindings/usb/renesas,rzn1-usbf.yaml       |   68 +
 MAINTAINERS                                   |    8 +
 arch/arm/boot/dts/r9a06g032.dtsi              |   12 +
 drivers/clk/renesas/r9a06g032-clocks.c        |   28 +
 drivers/usb/gadget/udc/Kconfig                |   11 +
 drivers/usb/gadget/udc/Makefile               |    1 +
 drivers/usb/gadget/udc/renesas_usbf.c         | 3420 +++++++++++++++++
 7 files changed, 3548 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/usb/renesas,rzn1-usbf.yaml
 create mode 100644 drivers/usb/gadget/udc/renesas_usbf.c

-- 
2.38.1