On Sun, Oct 10, 2021 at 4:25 PM Biju Das <biju.das.jz@xxxxxxxxxxxxxx> wrote:
> RZ/G2L SoM has both 64 GB eMMC and microSD connected to SDHI0.
>
> Both these interfaces are mutually exclusive and the SD0 device
> selection is based on the XOR between GPIO_SD0_DEV_SEL and SW1[2]
> switch position.
>
> This patch sets GPIO_SD0_DEV_SEL to high in DT. Use the below switch
> setting logic for device selection between eMMC and microSD slot
> connected to SDHI0.
>
> Set SW1[2] to position 2/OFF for selecting eMMC
> Set SW1[2] to position 3/ON for selecting microSD
>
> This patch enables eMMC on RZ/G2L SMARC platform by default.
>
> Signed-off-by: Biju Das <biju.das.jz@xxxxxxxxxxxxxx>
> ---
> v3->v4:
> * Sorted gpio-sd0-pwr-en-hog node
> v2->v3:
> * Fixed typo 64Gb to 64 GB in commit message and comment
> * Fixed typo SDO->SD0 in comment.
> v1->v2:
> * Updated the comment from 64Gb to 64 GB for eMMC size
> * Added angular brackets for states
> * Fix the gpio-hog node names
> * Fixed label names to match with the schematics
Reviewed-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
i.e. will queue in renesas-devel for v5.16.
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
