Re: [PATCH] ARM: dts: rockchip: set dw_mmc max-freq 150Mhz

From: Heiko Stübner
Date: Fri Dec 05 2014 - 16:42:13 EST

Am Donnerstag, 4. Dezember 2014, 10:49:35 schrieb Addy Ke:
> All of mmc controllers include SDMMC, SDIO0, SDIO1, and EMMC on RK3288
> are limited to 150Mhz. It was mainly caused by two reasons:
> - RK3288's IO pad(except DDR IO pad) is generic, which can only support
> the max of 150Mhz.
> - Mmc controller was designed at 150Mhz, and the pressure test by IC team
> was based on this freequency point.
> Signed-off-by: Addy Ke <>

applied to my wip dts branch for 3.20 (on github)

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at
Please read the FAQ at