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sm501: add gpiolib support

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Add support for exporting the GPIOs on the SM501 via gpiolib.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Cc: Arnaud Patard <apatard@mandriva.com>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Ben Dooks 2008-07-25 01:45:59 -07:00 • committed by Linus Torvalds
parent 472dba7d11
commit f61be273d3
3 changed files with 257 additions and 70 deletions
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20
include/linux/sm501.h
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@ -46,24 +46,6 @@ extern unsigned long sm501_modify_reg(struct device *dev,
unsigned long set,
unsigned long clear);
/* sm501_gpio_set
*
* set the state of the given GPIO line
*/
extern void sm501_gpio_set(struct device *dev,
unsigned long gpio,
unsigned int to,
unsigned int dir);
/* sm501_gpio_get
*
* get the state of the given GPIO line
*/
extern unsigned long sm501_gpio_get(struct device *dev,
unsigned long gpio);
/* Platform data definitions */
@ -131,6 +113,7 @@ struct sm501_reg_init {
#define SM501_USE_FBACCEL (1<<6)
#define SM501_USE_AC97 (1<<7)
#define SM501_USE_I2S (1<<8)
#define SM501_USE_GPIO (1<<9)
#define SM501_USE_ALL (0xffffffff)
@ -173,6 +156,7 @@ struct sm501_platdata {
struct sm501_platdata_fb *fb;
int flags;
unsigned gpio_base;
int (*get_power)(struct device *dev);
int (*set_power)(struct device *dev, unsigned int on);