linux-kernel - Re: [PATCH V4] dt-bindings: usb: dwc3: Add interrupt-names property support for wakeup interrupt

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Date:   Mon, 19 Jun 2023 16:33:43 -0600
From:   Rob Herring <robh@...nel.org>
To:     Piyush Mehta <piyush.mehta@....com>
Cc:     gregkh@...uxfoundation.org, devicetree@...r.kernel.org,
        conor+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        git@....com, balbi@...nel.org, linux-usb@...r.kernel.org,
        linux-kernel@...r.kernel.org, robh+dt@...nel.org,
        michal.simek@....com
Subject: Re: [PATCH V4] dt-bindings: usb: dwc3: Add interrupt-names property
 support for wakeup interrupt


On Mon, 19 Jun 2023 16:20:32 +0530, Piyush Mehta wrote:
> The hibernation feature enabled for Xilinx Versal NET SoC in DWC3 IP.
> As the DWC3 IP supports the hibernation feature, to handle the wakeup
> or hibernation interrupt, add host mode "wakeup" interrupt-names
> optional property in the binding schema to capture remote-wakeup and
> connect/ disconnect event in the hibernation state and increased maxItems
> to 4 for the interrupts and interrupt-names property.
> 
> We have a dedicated IRQ line specifically for the hibernation feature.
> When the "wakeup" IRQ line is triggered, it initiates a hibernation
> interrupt, causing the system to wake up from the hibernation state.
> 
> Signed-off-by: Piyush Mehta <piyush.mehta@....com>
> ---
> Change in V2:
> - Addressed ROB review comments
>  - Updated name of interrupt-names property with "wakeup"
>  - Move interrupt-names property from dwc3-xilinx core to dwc3 core.
> 
> Link: https://lore.kernel.org/all/CAL_JsqK6_7XD7+w+EQvPPmbmSOpfo3JDb0xDN4StuHUm1kgchw@mail.gmail.com/
> 
> Change in V3:
> -  Addressed Krzysztof Kozlowski comments
>  - Update binding schema enum.
>  - Upadet commit message.
> 
> Link: https://lore.kernel.org/all/76dfbf27-8ad2-6e09-5354-b006b9e81af1@linaro.org/
> 
> Change in V4:
> - Addressed ROB review comments:
>  - Fixed dt_check warnings
> 
> Link: https://lore.kernel.org/lkml/168448091422.2968830.10066003697035225886.robh@kernel.org/
> ---
>  Documentation/devicetree/bindings/usb/snps,dwc3.yaml | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 

Reviewed-by: Rob Herring <robh@...nel.org>