Re: [PATCH v4 3/7] dt-bindings: usb: Add qcom,sa8255p-dwc3 for firmware-managed resources

[Krzysztof Kozlowski <krzk@kernel.org>]

On Thu, Oct 29, 2026 at 12:29:33AM +0530, Faisal Hassan wrote:
> On Qualcomm automotive SoC sa8255p, platform resources like clocks,
> interconnects, resets, regulators and GDSC are abstracted and managed
> collectively by firmware.
> 
> Add a new binding file for firmware-managed USB controllers where
> access to these resources is exposed as two power domains:
> - Power domain: Controls power supply (GDSC) to the USB controller
> - Bus domain: Controls clocks and interconnects for data transfer
> 
> The binding makes power-domains and power-domain-names properties mandatory
> for firmware-managed platforms. Clocks and interconnects are managed by
> firmware through these power domains and are therefore not described.
> 
> Co-developed-by: Sriram Dash <sriram.dash@oss.qualcomm.com>
> Signed-off-by: Sriram Dash <sriram.dash@oss.qualcomm.com>
> Signed-off-by: Faisal Hassan <faisal.hassan@oss.qualcomm.com>
> ---
>  .../bindings/usb/qcom,sa8255p-dwc3.yaml       | 114 ++++++++++++++++++
>  1 file changed, 114 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/usb/qcom,sa8255p-dwc3.yaml

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>

Best regards,
Krzysztof