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[ARM] 5604/1: Add keypad multi-function pin api for w90p910 platform

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Add keypad multi-function pin api for w90p910 platform.

Signed-off-by: Wan ZongShun <mcuos.com@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
wanzongshun 2009-07-14 15:12:26 +01:00 • committed by Russell King
parent db58e90fdb
commit 0abe1856bd
1 changed files with 5 additions and 1 deletions
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6
arch/arm/mach-w90x900/mfp-w90p910.c
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@ -90,7 +90,7 @@ void mfp_set_groupc(struct device *dev)
}
EXPORT_SYMBOL(mfp_set_groupc);
void mfp_set_groupi(struct device *dev, int gpio)
void mfp_set_groupi(struct device *dev)
{
unsigned long mfpen;
const char *dev_id;
@ -103,10 +103,14 @@ void mfp_set_groupi(struct device *dev, int gpio)
mfpen = __raw_readl(REG_MFSEL);
mfpen &= ~GPSELEI1;/*default gpio16*/
if (strcmp(dev_id, "w90p910-wdog") == 0)
mfpen |= GPSELEI1;/*enable wdog*/
else if (strcmp(dev_id, "w90p910-atapi") == 0)
mfpen |= GPSELEI0;/*enable atapi*/
else if (strcmp(dev_id, "w90p910-keypad") == 0)
mfpen &= ~GPSELEI0;/*enable keypad*/
__raw_writel(mfpen, REG_MFSEL);