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-rw-r--r--arch/arm/mach-keystone/include/mach/mux-k2g.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/arm/mach-keystone/include/mach/mux-k2g.h b/arch/arm/mach-keystone/include/mach/mux-k2g.h
index 809b72d5bf..67d47f8172 100644
--- a/arch/arm/mach-keystone/include/mach/mux-k2g.h
+++ b/arch/arm/mach-keystone/include/mach/mux-k2g.h
@@ -27,6 +27,11 @@
#define PIN_PTU (1 << 17) /* pull up */
#define PIN_PTD (0 << 17) /* pull down */
+#define BUFFER_CLASS_B (0 << 19)
+#define BUFFER_CLASS_C (1 << 19)
+#define BUFFER_CLASS_D (2 << 19)
+#define BUFFER_CLASS_E (3 << 19)
+
#define MODE(m) ((m) & 0x7)
#define MAX_PIN_N 260