diff options
| -rw-r--r-- | drivers/char/Makefile | 2 | ||||
| -rw-r--r-- | drivers/char/nsc_gpio.c | 45 |
2 files changed, 46 insertions, 1 deletions
diff --git a/drivers/char/Makefile b/drivers/char/Makefile index 524105597ea..8bcaf4d8035 100644 --- a/drivers/char/Makefile +++ b/drivers/char/Makefile @@ -81,7 +81,7 @@ obj-$(CONFIG_COBALT_LCD) += lcd.o obj-$(CONFIG_PPDEV) += ppdev.o obj-$(CONFIG_NWBUTTON) += nwbutton.o obj-$(CONFIG_NWFLASH) += nwflash.o -obj-$(CONFIG_SCx200_GPIO) += scx200_gpio.o +obj-$(CONFIG_SCx200_GPIO) += scx200_gpio.o nsc_gpio.o obj-$(CONFIG_CS5535_GPIO) += cs5535_gpio.o obj-$(CONFIG_GPIO_VR41XX) += vr41xx_giu.o obj-$(CONFIG_TANBAC_TB0219) += tb0219.o diff --git a/drivers/char/nsc_gpio.c b/drivers/char/nsc_gpio.c new file mode 100644 index 00000000000..42d95904967 --- /dev/null +++ b/drivers/char/nsc_gpio.c @@ -0,0 +1,45 @@ +/* linux/drivers/char/nsc_gpio.c + + National Semiconductor common GPIO device-file/VFS methods. + Allows a user space process to control the GPIO pins. + + Copyright (c) 2001,2002 Christer Weinigel <wingel@nano-system.com> + Copyright (c) 2005 Jim Cromie <jim.cromie@gmail.com> +*/ + +#include <linux/config.h> +#include <linux/fs.h> +#include <linux/module.h> +#include <linux/errno.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/nsc_gpio.h> +#include <asm/uaccess.h> +#include <asm/io.h> + +#define NAME "nsc_gpio" + +MODULE_AUTHOR("Jim Cromie <jim.cromie@gmail.com>"); +MODULE_DESCRIPTION("NatSemi GPIO Common Methods"); +MODULE_LICENSE("GPL"); + +static int __init nsc_gpio_init(void) +{ + printk(KERN_DEBUG NAME " initializing\n"); + return 0; +} + +static void __exit nsc_gpio_cleanup(void) +{ + printk(KERN_DEBUG NAME " cleanup\n"); +} + +/* prepare for + common routines for both scx200_gpio and pc87360_gpio +EXPORT_SYMBOL(scx200_gpio_write); +EXPORT_SYMBOL(scx200_gpio_read); +EXPORT_SYMBOL(scx200_gpio_release); +*/ + +module_init(nsc_gpio_init); +module_exit(nsc_gpio_cleanup); |