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-rw-r--r--include/dt-bindings/mux/mux.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/include/dt-bindings/mux/mux.h b/include/dt-bindings/mux/mux.h
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+++ b/include/dt-bindings/mux/mux.h
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+/*
+ * This header provides constants for most Multiplexer bindings.
+ *
+ * Most Multiplexer bindings specify an idle state. In most cases, the
+ * the multiplexer can be left as is when idle, and in some cases it can
+ * disconnect the input/output and leave the multiplexer in a high
+ * impedance state.
+ */
+
+#ifndef _DT_BINDINGS_MUX_MUX_H
+#define _DT_BINDINGS_MUX_MUX_H
+
+#define MUX_IDLE_AS_IS (-1)
+#define MUX_IDLE_DISCONNECT (-2)
+
+#endif