linux-kernel - Re: [PATCH v6 1/2] dt-bindings: mmc: add DT binding for S3C24XX MMC/SD/SDIO controller

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Date:   Mon, 10 Apr 2017 15:52:35 +0200
From:   Ulf Hansson <ulf.hansson@...aro.org>
To:     Sergio Prado <sergio.prado@...abworks.com>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        "linux-mmc@...r.kernel.org" <linux-mmc@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Ben Dooks <ben-linux@...ff.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v6 1/2] dt-bindings: mmc: add DT binding for S3C24XX
 MMC/SD/SDIO controller

On 1 April 2017 at 01:50, Sergio Prado <sergio.prado@...abworks.com> wrote:
> Adds the device tree bindings description for Samsung S3C24XX
> MMC/SD/SDIO controller, used as a connectivity interface with external
> MMC, SD and SDIO storage mediums.
>
> Acked-by: Rob Herring <robh@...nel.org>
> Signed-off-by: Sergio Prado <sergio.prado@...abworks.com>

Thanks, applied for next!

Kind regards
Uffe

> ---
>  .../devicetree/bindings/mmc/samsung,s3cmci.txt     | 42 ++++++++++++++++++++++
>  1 file changed, 42 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/mmc/samsung,s3cmci.txt
>
> diff --git a/Documentation/devicetree/bindings/mmc/samsung,s3cmci.txt b/Documentation/devicetree/bindings/mmc/samsung,s3cmci.txt
> new file mode 100644
> index 000000000000..5f68feb9f9d6
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mmc/samsung,s3cmci.txt
> @@ -0,0 +1,42 @@
> +* Samsung's S3C24XX MMC/SD/SDIO controller device tree bindings
> +
> +Samsung's S3C24XX MMC/SD/SDIO controller is used as a connectivity interface
> +with external MMC, SD and SDIO storage mediums.
> +
> +This file documents differences between the core mmc properties described by
> +mmc.txt and the properties used by the Samsung S3C24XX MMC/SD/SDIO controller
> +implementation.
> +
> +Required SoC Specific Properties:
> +- compatible: should be one of the following
> +  - "samsung,s3c2410-sdi": for controllers compatible with s3c2410
> +  - "samsung,s3c2412-sdi": for controllers compatible with s3c2412
> +  - "samsung,s3c2440-sdi": for controllers compatible with s3c2440
> +- reg: register location and length
> +- interrupts: mmc controller interrupt
> +- clocks: Should reference the controller clock
> +- clock-names: Should contain "sdi"
> +
> +Required Board Specific Properties:
> +- pinctrl-0: Should specify pin control groups used for this controller.
> +- pinctrl-names: Should contain only one value - "default".
> +
> +Optional Properties:
> +- bus-width: number of data lines (see mmc.txt)
> +- cd-gpios: gpio for card detection (see mmc.txt)
> +- wp-gpios: gpio for write protection (see mmc.txt)
> +
> +Example:
> +
> +       mmc0: mmc@...00000 {
> +               compatible = "samsung,s3c2440-sdi";
> +               pinctrl-names = "default";
> +               pinctrl-0 = <&sdi_pins>;
> +               reg = <0x5a000000 0x100000>;
> +               interrupts = <0 0 21 3>;
> +               clocks = <&clocks PCLK_SDI>;
> +               clock-names = "sdi";
> +               bus-width = <4>;
> +               cd-gpios = <&gpg 8 GPIO_ACTIVE_LOW>;
> +               wp-gpios = <&gph 8 GPIO_ACTIVE_LOW>;
> +       };
> --
> 1.9.1
>