[RFC v2 1/2] dt-bindings: mmc: Document the Amlogic Meson8 and Meson8b SDIO bindings

[Rob Herring]

On Sun, Sep 24, 2017 at 09:05:27PM +0200, Martin Blumenstingl wrote:
> From: Carlo Caione <carlo at endlessm.com>
> 
> This documents the devicetree bindings for the SDIO/MMC host found in
> Amlogic Meson8 and Meson8b SoCs. It supports the SD specification v2.0
> and the eMMC specification v4.41.
> It has an internal "mux" which allows connecting up to three MMC devices
> to it. The maximum supported bus-width is 4-bits.
> 
> Amlogic's GPL kernel sources call it "SDIO" to differentiate it from the
> other MMC controller in (at least the Meson8 and Meson8b) the SoCs (they
> call the other one "SDHC", which supports a bus-width of up to 8-bits).
> 
> Signed-off-by: Carlo Caione <carlo at endlessm.com>
> Signed-off-by: Martin Blumenstingl <martin.blumenstingl at googlemail.com>
> ---
>  .../bindings/mmc/amlogic,meson-mx-sdio.txt         | 52 ++++++++++++++++++++++
>  1 file changed, 52 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/mmc/amlogic,meson-mx-sdio.txt

Acked-by: Rob Herring <robh at kernel.org>