Re: [PATCH v3 0/3] Add devicetree support of USB for QDU/QRU1000

[Dmitry Baryshkov]

On Thu, 2 May 2024 at 12:04, Komal Bajaj <quic_kbajaj@xxxxxxxxxxx> wrote:
>
> This series adds devicetree nodes to support interconnects and usb for qdu/qru1000.
> This is based on previously sent driver series[1].
>
> ------
> Changes in v3:
> * As per comments on upstream[2], to get role-switch working on QDU/QRU1000, it was recommended to
>   use the actual TI switch driver. Since driver doesn't have the functionality to provide role-switch
>   based on gpio, thus reverting back USB dr_mode to peripheral and removed the remote end-point nodes
>   and usb-conn-gpio based role switch functionality.

This is not correct. The recommendation was to describe hardware properly.
Which means adding schema description, adding  ti,your-switch
compatible to the usb-conn-gpio.c driver, etc.

> * Link to v2: https://lore.kernel.org/linux-arm-msm/20240319091020.15137-1-quic_kbajaj@xxxxxxxxxxx/
>
> Changes in v2:
> * Changes qmpphy node name
> * Changes dr_mode to otg and added USB-B port USB role switch
> * Dropped maximum-speed property from usb dwc3 node
> * Link to v1: https://lore.kernel.org/linux-arm-msm/20240311120859.18489-1-quic_kbajaj@xxxxxxxxxxx/
>
> [1] https://lore.kernel.org/linux-arm-msm/20240502082017.13777-1-quic_kbajaj@xxxxxxxxxxx/
> [2] https://lore.kernel.org/all/CAA8EJppNZrLzT=vGS0NXnKJT_wL+bMB9jFhJ9K7b7FPgFQbcig@xxxxxxxxxxxxxx/
> ------
>
> Komal Bajaj (3):
>   arm64: dts: qcom: qdu1000: Add USB3 and PHY support
>   arm64: dts: qcom: qdu1000-idp: enable USB nodes
>   arm64: dts: qcom: qru1000-idp: enable USB nodes
>
>  arch/arm64/boot/dts/qcom/qdu1000-idp.dts |  23 +++++
>  arch/arm64/boot/dts/qcom/qdu1000.dtsi    | 120 +++++++++++++++++++++++
>  arch/arm64/boot/dts/qcom/qru1000-idp.dts |  23 +++++
>  3 files changed, 166 insertions(+)
>
> --
> 2.42.0
>
>


-- 
With best wishes
Dmitry