diff options
| author | Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> | 2010-06-01 04:31:29 +0000 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2010-06-02 17:15:34 +0900 |
| commit | d3d03e486594dac021caad5befce7d87af4ca00a (patch) | |
| tree | 145f76b156b539c0e85386be1f0f00917251059e /arch/arm | |
| parent | 21a89344aed62609a6815ed0e50cbd53484d3fc7 (diff) | |
ARM: mach-shmobile: ap4evb: update MMC/SHDI tiny document
MMC0/SDHI1 (CN7) can be selected by dip switch.
And card voltage can be selected by jumper pin.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/mach-shmobile/board-ap4evb.c | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/arch/arm/mach-shmobile/board-ap4evb.c b/arch/arm/mach-shmobile/board-ap4evb.c index 67da7371451..2963a11c92b 100644 --- a/arch/arm/mach-shmobile/board-ap4evb.c +++ b/arch/arm/mach-shmobile/board-ap4evb.c @@ -128,15 +128,21 @@ */ /* - * MMC (CN7) + * MMC0/SDHI1 (CN7) * - * J22 : 1-2: 1.8v for MMC - * 2-3: 3.3v for MMC - * SW1 : OFF - * SW33: bit1: OFF - * bit2: ON - * bit3: ON - * bit4: X + * J22 : select card voltage + * 1-2 pin : 1.8v + * 2-3 pin : 3.3v + * + * SW1 | SW33 + * | bit1 | bit2 | bit3 | bit4 + * ------------+------+------+------+------- + * MMC0 OFF | OFF | ON | ON | X + * SDHI1 OFF | ON | X | OFF | ON + * + * voltage lebel + * CN7 : 1.8v + * CN12: 3.3v */ /* MTD */ |