linux-kernel - [PATCH 0/7] usb: fotg210: Various improvements

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Message-Id: <20230103-gemini-fotg210-usb-v1-0-f2670cb4a492@linaro.org>
Date:   Wed, 04 Jan 2023 00:35:17 +0100
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
Cc:     linux-usb@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, Fabian Vogt <fabian@...ter-vogt.de>,
        Linus Walleij <linus.walleij@...aro.org>
Subject: [PATCH 0/7] usb: fotg210: Various improvements

This is some gradual improvements to the FOTG210 dual-mode
USB host/gadget driver.

- Create stricter device tree bindings fixing some mistakes.
  We have at least FOTG200 and FOTG210 out there. A third
  variant named FUSB220 is probably related but has a separate
  driver in the vendor code trees.

- Start to break out common code for remapping of memory and
  clock handling to begin with, move this to the core file.

- Check that the block is in the right role before
  proceeding, don't abort registration but print a warning
  if it's not.

- Assing some default speed and the OF node when the UDC
  starts. This is based on the similar pattern in the DW
  controllers.

- Implement a proper VBUS session handler calling down to
  the hardware VBUS control handler in the Gemini variant.
  This makes everything work on my hardware.

To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: Rob Herring <robh+dt@...nel.org>
To: Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
Cc: linux-usb@...r.kernel.org
Cc: devicetree@...r.kernel.org
Cc: linux-kernel@...r.kernel.org
Cc: Fabian Vogt <fabian@...ter-vogt.de>
Signed-off-by: Linus Walleij <linus.walleij@...aro.org>

---
Linus Walleij (7):
      dt-bindings: usb: Correct and extend FOTG210 schema
      usb: fotg210: List different variants
      usb: fotg210: Acquire memory resource in core
      usb: fotg210: Move clock handling to core
      usb: fotg210: Check role register in core
      usb: fotg210-udc: Assign of_node and speed on start
      usb: fotg210-udc: Implement VBUS session

 .../devicetree/bindings/usb/faraday,fotg210.yaml   |  7 +-
 drivers/usb/fotg210/fotg210-core.c                 | 81 +++++++++++++++++++---
 drivers/usb/fotg210/fotg210-hcd.c                  | 48 ++-----------
 drivers/usb/fotg210/fotg210-hcd.h                  |  1 +
 drivers/usb/fotg210/fotg210-udc.c                  | 68 ++++++++----------
 drivers/usb/fotg210/fotg210-udc.h                  |  2 +-
 drivers/usb/fotg210/fotg210.h                      | 27 ++++++--
 7 files changed, 136 insertions(+), 98 deletions(-)
---
base-commit: 1b929c02afd37871d5afb9d498426f83432e71c2
change-id: 20230103-gemini-fotg210-usb-95a76798706a

Best regards,
-- 
Linus Walleij <linus.walleij@...aro.org>