linux-kernel - Re: [PATCH v2 0/4] usb: typec: ucsi: add support for stm32g0

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Date:   Mon, 11 Jul 2022 14:03:03 +0200
From:   Fabrice Gasnier <fabrice.gasnier@...s.st.com>
To:     <krzysztof.kozlowski+dt@...aro.org>, <robh+dt@...nel.org>,
        <heikki.krogerus@...ux.intel.com>, <gregkh@...uxfoundation.org>
CC:     <christophe.jaillet@...adoo.fr>, <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>
Subject: Re: [PATCH v2 0/4] usb: typec: ucsi: add support for stm32g0

Hi all,

I just resent the full series as I got some issues with my mailer.
Sorry for the noise, please drop this one.

Best Regards,
Fabrice

On 7/11/22 13:48, Fabrice Gasnier wrote:
> 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
> 
> Changes in v2:
> - Krzysztof's review comments on dt-bindings: update commit message, use ports,
>   use unevaluatedProperties: false for usb-connector schema, define maxItems
>   for power-domains, adopt generic node names, remove quotes.
> - Christophe's comments on driver:
>   use kmalloc instead of kzalloc
>   Use-after-free of buf: directly print the offset
> 
> 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        |  90 ++
>  drivers/usb/typec/ucsi/Kconfig                |  10 +
>  drivers/usb/typec/ucsi/Makefile               |   1 +
>  drivers/usb/typec/ucsi/ucsi_stm32g0.c         | 777 ++++++++++++++++++
>  4 files changed, 878 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/usb/st,typec-stm32g0.yaml
>  create mode 100644 drivers/usb/typec/ucsi/ucsi_stm32g0.c
>