diff options
| author | Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> | 2010-06-01 00:31:29 -0400 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2010-06-02 04:15:34 -0400 |
| commit | d3d03e486594dac021caad5befce7d87af4ca00a (patch) | |
| tree | 145f76b156b539c0e85386be1f0f00917251059e | |
| 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>
| -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 67da7371451c..2963a11c92b4 100644 --- a/arch/arm/mach-shmobile/board-ap4evb.c +++ b/arch/arm/mach-shmobile/board-ap4evb.c | |||
| @@ -128,15 +128,21 @@ | |||
| 128 | */ | 128 | */ |
| 129 | 129 | ||
| 130 | /* | 130 | /* |
| 131 | * MMC (CN7) | 131 | * MMC0/SDHI1 (CN7) |
| 132 | * | 132 | * |
| 133 | * J22 : 1-2: 1.8v for MMC | 133 | * J22 : select card voltage |
| 134 | * 2-3: 3.3v for MMC | 134 | * 1-2 pin : 1.8v |
| 135 | * SW1 : OFF | 135 | * 2-3 pin : 3.3v |
| 136 | * SW33: bit1: OFF | 136 | * |
| 137 | * bit2: ON | 137 | * SW1 | SW33 |
| 138 | * bit3: ON | 138 | * | bit1 | bit2 | bit3 | bit4 |
| 139 | * bit4: X | 139 | * ------------+------+------+------+------- |
| 140 | * MMC0 OFF | OFF | ON | ON | X | ||
| 141 | * SDHI1 OFF | ON | X | OFF | ON | ||
| 142 | * | ||
| 143 | * voltage lebel | ||
| 144 | * CN7 : 1.8v | ||
| 145 | * CN12: 3.3v | ||
| 140 | */ | 146 | */ |
| 141 | 147 | ||
| 142 | /* MTD */ | 148 | /* MTD */ |