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Diffstat (limited to 'arch/arm/mach-s3c24xx/include/mach/gpio-track.h')
-rw-r--r--arch/arm/mach-s3c24xx/include/mach/gpio-track.h33
1 files changed, 33 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c24xx/include/mach/gpio-track.h b/arch/arm/mach-s3c24xx/include/mach/gpio-track.h
new file mode 100644
index 0000000..c410a07
--- /dev/null
+++ b/arch/arm/mach-s3c24xx/include/mach/gpio-track.h
@@ -0,0 +1,33 @@
+/* arch/arm/mach-s3c24100/include/mach/gpio-core.h
+ *
+ * Copyright 2008 Openmoko, Inc.
+ * Copyright 2008 Simtec Electronics
+ * Ben Dooks <ben@simtec.co.uk>
+ * http://armlinux.simtec.co.uk/
+ *
+ * S3C2410 - GPIO core support
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#ifndef __ASM_ARCH_GPIO_CORE_H
+#define __ASM_ARCH_GPIO_CORE_H __FILE__
+
+#include <mach/regs-gpio.h>
+
+extern struct samsung_gpio_chip s3c24xx_gpios[];
+
+static inline struct samsung_gpio_chip *samsung_gpiolib_getchip(unsigned int pin)
+{
+ struct samsung_gpio_chip *chip;
+
+ if (pin > S3C_GPIO_END)
+ return NULL;
+
+ chip = &s3c24xx_gpios[pin/32];
+ return ((pin - chip->chip.base) < chip->chip.ngpio) ? chip : NULL;
+}
+
+#endif /* __ASM_ARCH_GPIO_CORE_H */