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authorRabin Vincent <rabin.vincent@stericsson.com>2010-08-09 12:54:43 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2010-08-26 19:54:27 +0100
commit2971944582ff43b7dedbb460777052243ac9915a (patch)
tree1f5a05fed4b3f386e6468a2d52ba087e20d6bcd2 /include/linux/amba
parentd4348c678977c7093438bbbf2067c49396ae941b (diff)
downloadop-kernel-dev-2971944582ff43b7dedbb460777052243ac9915a.zip
op-kernel-dev-2971944582ff43b7dedbb460777052243ac9915a.tar.gz
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')
-rw-r--r--include/linux/amba/mmci.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/amba/mmci.h b/include/linux/amba/mmci.h
index ca84ce7..f4ee9ac 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;
};
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