From mboxrd@z Thu Jan  1 00:00:00 1970
From: Yusuke Goda <yusuke.goda.sx@renesas.com>
Date: Wed, 15 Dec 2010 07:35:02 +0000
Subject: Re: [PATCH] ARM: mach-shmobile: mackerel: Add mmcif support
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References: <w3p7hfw4po7.wl%kuninori.morimoto.gx@renesas.com>
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To: linux-sh@vger.kernel.org

Hi Magnus-san

(2010/12/15 15:43), Magnus Damm wrote:
> 2010/12/15 Yusuke Goda <yusuke.goda.sx@renesas.com>:
>> Signed-off-by: Yusuke Goda <yusuke.goda.sx@renesas.com>
>> ---
>> +static struct sh_mmcif_plat_data sh_mmcif_plat = {
>> +       .sup_pclk       = 0,
>> +       .ocr            = MMC_VDD_165_195 | MMC_VDD_32_33 | MMC_VDD_33_34,
>> +       .caps           = MMC_CAP_4_BIT_DATA |
>> +                         MMC_CAP_8_BIT_DATA |
>> +                         MMC_CAP_NEEDS_POLL,
>> +       .get_cd         = slot_cn7_get_cd,
>> +};
> 
> Can we select VDD voltage on this board? I thought it was fixed to
> 3.3V? Or perhaps I don't understand how the OCR field is supposed to
> work.
The mackerel(and ap4evb) can select 1.8v or 3.3v by J22.
This OCR field set to support either voltage for the card inserted.
User have to change J22 depends the card to be used.

cheers,
Goda