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-rw-r--r--sys/arm/include/resource.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/sys/arm/include/resource.h b/sys/arm/include/resource.h
index 229d14f..90dd5cd 100644
--- a/sys/arm/include/resource.h
+++ b/sys/arm/include/resource.h
@@ -41,5 +41,6 @@
#define SYS_RES_DRQ 2 /* isa dma lines */
#define SYS_RES_MEMORY 3 /* i/o memory */
#define SYS_RES_IOPORT 4 /* i/o ports */
+#define SYS_RES_GPIO 5 /* general purpose i/o */
#endif /* !_MACHINE_RESOURCE_H_ */
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