linux-kernel - [PATCH 0/4] usb: typec: ucsi: add support for stm32g0

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Message-ID: <20220624155413.399190-1-fabrice.gasnier@foss.st.com>
Date:   Fri, 24 Jun 2022 17:54:09 +0200
From:   Fabrice Gasnier <fabrice.gasnier@...s.st.com>
To:     <robh+dt@...nel.org>, <heikki.krogerus@...ux.intel.com>,
        <gregkh@...uxfoundation.org>
CC:     <krzysztof.kozlowski+dt@...aro.org>, <devicetree@...r.kernel.org>,
        <linux-usb@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <amelie.delaunay@...s.st.com>, <alexandre.torgue@...s.st.com>,
        <fabrice.gasnier@...s.st.com>
Subject: [PATCH 0/4] usb: typec: ucsi: add support for stm32g0

STM32G0 provides an integrated USB Type-C and power delivery interface [1].
It can be programmed with a firmware [2] to act as a PPM. Currently it
implements UCSI protocol over I2C interface. A GPIO is used as an interrupt
line.

This series adds a driver to support it, including:
- dt-bindings documentation
- optional STM32G0 firmware control and update, over a secondary I2C address
- power management

[1] https://wiki.st.com/stm32mcu/wiki/Introduction_to_USB_Power_Delivery_with_STM32
[2] https://github.com/STMicroelectronics/x-cube-ucsi

Fabrice Gasnier (4):
  dt-bindings: usb: typec: add bindings for stm32g0 controller
  usb: typec: ucsi: stm32g0: add support for stm32g0 i2c controller
  usb: typec: ucsi: stm32g0: add bootloader support
  usb: typec: ucsi: stm32g0: add support for power management

 .../bindings/usb/st,typec-stm32g0.yaml        |  83 ++
 drivers/usb/typec/ucsi/Kconfig                |  10 +
 drivers/usb/typec/ucsi/Makefile               |   1 +
 drivers/usb/typec/ucsi/ucsi_stm32g0.c         | 777 ++++++++++++++++++
 4 files changed, 871 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/usb/st,typec-stm32g0.yaml
 create mode 100644 drivers/usb/typec/ucsi/ucsi_stm32g0.c

-- 
2.25.1