linux-kernel - Re: [PATCH V3 2/3] dt-bindings: gpio: zynqmp: Add binding documentation for modepin

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Date:   Mon, 23 Aug 2021 13:09:29 -0500
From:   Rob Herring <robh@...nel.org>
To:     Piyush Mehta <piyush.mehta@...inx.com>
Cc:     sgoud@...inx.com, git@...inx.com, linux-kernel@...r.kernel.org,
        linus.walleij@...aro.org, zou_wei@...wei.com, arnd@...db.de,
        michal.simek@...inx.com, robh+dt@...nel.org, iwamatsu@...auri.org,
        wendy.liang@...inx.com, bgolaszewski@...libre.com,
        linux-gpio@...r.kernel.org, gregkh@...uxfoundation.org,
        linux-arm-kernel@...ts.infradead.org, rajan.vaja@...inx.com,
        devicetree@...r.kernel.org
Subject: Re: [PATCH V3 2/3] dt-bindings: gpio: zynqmp: Add binding
 documentation for modepin

On Wed, 18 Aug 2021 13:40:17 +0530, Piyush Mehta wrote:
> This patch adds DT binding document for zynqmp modepin GPIO controller.
> Modepin GPIO controller has four GPIO pins which can be configurable
> as input or output.
> 
> Modepin driver is a bridge between the peripheral driver and GPIO pins.
> It has set and get APIs for accessing GPIO pins, based on the device-tree
> entry of reset-gpio property in the peripheral driver, every pin can be
> configured as input/output and trigger GPIO pin.
> 
> For more information please refer zynqMp TRM link:
> Link: https://www.xilinx.com/support/documentation/user_guides/ug1085-zynq-ultrascale-trm.pdf
> Chapter 2: Signals, Interfaces, and Pins
> Table 2-2: Clock, Reset, and Configuration Pins - PS_MODE
> 
> Signed-off-by: Piyush Mehta <piyush.mehta@...inx.com>
> Acked-by: Michal Simek <michal.simek@...inx.com>
> ---
> Changes in v2:
> - Addressed review comments: Update commit message
> 
> Review Comments:
> https://lore.kernel.org/linux-arm-kernel/20210615080553.2021061-2-piyush.mehta@xilinx.com/T/#mbd1fbda813e33b19397b350bde75747c92a0d7e1
> https://lore.kernel.org/linux-arm-kernel/20210615080553.2021061-2-piyush.mehta@xilinx.com/T/#me82b1444ab3776162cdb0077dfc9256365c7e736
> 
> Changes in v3:
> - Addressed Rob and Michal review comments:
>   - Update DT example.
> 
> Review Comments:
> https://lore.kernel.org/linux-arm-kernel/YRbBnRS0VosXcZWz@robh.at.kernel.org/
> https://lore.kernel.org/linux-arm-kernel/d71ad7f9-6972-8cc0-6dfb-b5306c9900d0@xilinx.com/
> ---
>  .../bindings/gpio/xlnx,zynqmp-gpio-modepin.yaml    | 41 ++++++++++++++++++++++
>  .../bindings/gpio/xlnx,zynqmp-gpio-modepin.yaml    | 43 ++++++++++++++++++++++
>  1 file changed, 43 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/gpio/xlnx,zynqmp-gpio-modepin.yaml
> 

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