diff options
| author | Rabin Vincent <rabin.vincent@stericsson.com> | 2010-08-09 12:54:43 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-08-26 19:54:27 +0100 |
| commit | 2971944582ff43b7dedbb460777052243ac9915a (patch) | |
| tree | 1f5a05fed4b3f386e6468a2d52ba087e20d6bcd2 /include/linux/amba/mmci.h | |
| parent | d4348c678977c7093438bbbf2067c49396ae941b (diff) | |
ARM: 6307/1: mmci: allow the card detect GPIO value not to be inverted
On some platforms, the GPIO value from the gpio_cd pin doesn't need to
be inverted to get it active high. Add a cd_invert platform data
parameter and change existing platforms using GPIO for CD (only
Realview) to enable it.
Acked-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'include/linux/amba/mmci.h')
| -rw-r--r-- | include/linux/amba/mmci.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/amba/mmci.h b/include/linux/amba/mmci.h index ca84ce70d5d..f4ee9acc972 100644 --- a/include/linux/amba/mmci.h +++ b/include/linux/amba/mmci.h @@ -24,6 +24,7 @@ * whether a card is present in the MMC slot or not * @gpio_wp: read this GPIO pin to see if the card is write protected * @gpio_cd: read this GPIO pin to detect card insertion + * @cd_invert: true if the gpio_cd pin value is active low * @capabilities: the capabilities of the block as implemented in * this platform, signify anything MMC_CAP_* from mmc/host.h */ @@ -35,6 +36,7 @@ struct mmci_platform_data { unsigned int (*status)(struct device *); int gpio_wp; int gpio_cd; + bool cd_invert; unsigned long capabilities; }; |