linux-kernel - Re: [PATCH] ARM: dts: rockchip: set dw

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Date:	Fri, 05 Dec 2014 22:45:53 +0100
From:	Heiko Stübner <heiko@...ech.de>
To:	Addy Ke <addy.ke@...k-chips.com>
Cc:	dianders@...omium.org, amstan@...omium.org, sonnyrao@...omium.org,
	robh+dt@...nel.org, pawel.moll@....com, mark.rutland@....com,
	ijc+devicetree@...lion.org.uk, galak@...eaurora.org,
	linux@....linux.org.uk, devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	linux-rockchip@...ts.infradead.org, olof@...om.net,
	hj@...k-chips.com, kever.yang@...k-chips.com, xjq@...k-chips.com,
	huangtao@...k-chips.com, zyw@...k-chips.com, yzq@...k-chips.com,
	zhenfu.fang@...k-chips.com, cf@...k-chips.com,
	zhangqing@...k-chips.com, hl@...k-chips.com, wei.luo@...k-chips.com
Subject: Re: [PATCH] ARM: dts: rockchip: set dw_mmc max-freq 150Mhz

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 <addy.ke@...k-chips.com>

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


Thanks
Heiko
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