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SubjectRe: [linux-sunxi] [PATCH v2 6/8] ARM: dts: sun8i: a83t: Move mmc1 pinctrl setting to dtsi file
On Wed, Oct 18, 2017 at 11:00 PM, Joonas Kylmälä <joonas.kylmala@iki.fi> wrote:
> Hi,
>
> Chen-Yu Tsai:
>> mmc1 only has 1 possible pinmux setting.
>
> What if someone is using the MMC with bus width 1 and then using the
> remaining 3 pins for something else?

I would very much like to see such a design. Currently the devices
we see all follow Allwinner's reference design, with only minor
modifications. As such, mmc1 is used exclusively for connecting
SDIO-based WiFi modules.

If such a radical(?) design is done, the vendor can always add
a "mmc1-1bit-pins" setting and override the default.

ChenYu

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