From mboxrd@z Thu Jan 1 00:00:00 1970 From: Heiko =?ISO-8859-1?Q?St=FCbner?= Subject: Re: [PATCH] ARM: dts: rockchip: set dw_mmc max-freq 150Mhz Date: Fri, 05 Dec 2014 22:45:53 +0100 Message-ID: <2413230.2M6GRRu59M@diego> References: <1417661375-2872-1-git-send-email-addy.ke@rock-chips.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7Bit Return-path: In-Reply-To: <1417661375-2872-1-git-send-email-addy.ke-TNX95d0MmH7DzftRWevZcw@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Addy Ke Cc: dianders-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org, amstan-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org, sonnyrao-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org, robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, pawel.moll-5wv7dgnIgG8@public.gmane.org, mark.rutland-5wv7dgnIgG8@public.gmane.org, ijc+devicetree-KcIKpvwj1kUDXYZnReoRVg@public.gmane.org, galak-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org, linux-lFZ/pmaqli7XmaaqVzeoHQ@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-rockchip-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, olof-nZhT3qVonbNeoWH0uzbU5w@public.gmane.org, hj-TNX95d0MmH7DzftRWevZcw@public.gmane.org, kever.yang-TNX95d0MmH7DzftRWevZcw@public.gmane.org, xjq-TNX95d0MmH7DzftRWevZcw@public.gmane.org, huangtao-TNX95d0MmH7DzftRWevZcw@public.gmane.org, zyw-TNX95d0MmH7DzftRWevZcw@public.gmane.org, yzq-TNX95d0MmH7DzftRWevZcw@public.gmane.org, zhenfu.fang-TNX95d0MmH7DzftRWevZcw@public.gmane.org, cf-TNX95d0MmH7DzftRWevZcw@public.gmane.org, zhangqing-TNX95d0MmH7DzftRWevZcw@public.gmane.org, hl-TNX95d0MmH7DzftRWevZcw@public.gmane.org, wei.luo-TNX95d0MmH7DzftRWevZcw@public.gmane.org List-Id: devicetree@vger.kernel.org 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) Thanks Heiko -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html