linux-kernel - Re: [PATCH v5 0/3] Add IMX8 SCU GPIO support

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Date:   Wed, 31 Aug 2022 17:21:49 +0200
From:   Bartosz Golaszewski <brgl@...ev.pl>
To:     Shenwei Wang <shenwei.wang@....com>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Sascha Hauer <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        devicetree <devicetree@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        imx@...ts.linux.dev
Subject: Re: [PATCH v5 0/3] Add IMX8 SCU GPIO support

On Fri, Aug 12, 2022 at 3:30 PM Shenwei Wang <shenwei.wang@....com> wrote:
>
> The system controller (SCU) is the central unit to manage the resources
> on i.MX8 platforms. The SCU firmware provides a set of APIs to access
> the GPIO PINs on the SCU domain.
>
> This patch series implements the standard GPIO driver over the SCU
> firmware APIs, so that the GPIOs on the SCU domain could be accessed
> like a local GPIO PINs.
>
> Changes in V5:
>  - rename the file name from fsl,imx-sc-gpio to fsl,imx8qxp-sc-gpio
>    to match the compatible string
>
> Changes in V4:
>  - remove the generic compatible of "fsl,imx-sc-gpio"
>  - update the gpio $ref in "fsl,scu.yaml" as the file name is changed
>  - update the commit comment for 0003 because the driver is moved to the
>    directory of "drivers/gpio"
>
> Changes in V3:
>  - follow the other imx8 SCU binding rule and rename the compatible string
>    from fsl,imx8-scu-gpio to fsl,imx8qxp-sc-gpio
>  - rename the doc file from fsl,imx8-scu-gpio.yaml to fsl,imx-sc-gpio.yaml
>
> Changes in V2:
>  - move the driver into the gpio directory per Krzysztof's feedback
>  - change the subnode description in file fsl,scu.yaml
>  - fix the dt_binding_check error
>
> Shenwei Wang (3):
>   dt-bindings: gpio: Add imx scu gpio driver bindings
>   dt-bindings: firmware: imx: Add imx-scu gpio node
>   gpio: imx-scu: add imx-scu GPIO driver
>
>  .../devicetree/bindings/firmware/fsl,scu.yaml |   5 +
>  .../bindings/gpio/fsl,imx8qxp-sc-gpio.yaml    |  39 +++++
>  drivers/gpio/Kconfig                          |   4 +
>  drivers/gpio/Makefile                         |   1 +
>  drivers/gpio/gpio-imx-scu.c                   | 139 ++++++++++++++++++
>  5 files changed, 188 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/gpio/fsl,imx8qxp-sc-gpio.yaml
>  create mode 100644 drivers/gpio/gpio-imx-scu.c
>
> --
> 2.25.1
>

Applied the series, thanks!

Bart