Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / include / dt-bindings / pinctrl / am33xx.h

diff --git a/kernel/include/dt-bindings/pinctrl/am33xx.h b/kernel/include/dt-bindings/pinctrl/am33xx.h
new file mode 100644 (file)
index 0000000..226f772
--- /dev/null
+++ b/kernel/include/dt-bindings/pinctrl/am33xx.h
@@ -0,0 +1,43 @@
+/*
+ * This header provides constants specific to AM33XX pinctrl bindings.
+ */
+
+#ifndef _DT_BINDINGS_PINCTRL_AM33XX_H
+#define _DT_BINDINGS_PINCTRL_AM33XX_H
+
+#include <dt-bindings/pinctrl/omap.h>
+
+/* am33xx specific mux bit defines */
+#undef PULL_ENA
+#undef INPUT_EN
+
+#define PULL_DISABLE           (1 << 3)
+#define INPUT_EN               (1 << 5)
+#define SLEWCTRL_SLOW          (1 << 6)
+#define SLEWCTRL_FAST          0
+
+/* update macro depending on INPUT_EN and PULL_ENA */
+#undef PIN_OUTPUT
+#undef PIN_OUTPUT_PULLUP
+#undef PIN_OUTPUT_PULLDOWN
+#undef PIN_INPUT
+#undef PIN_INPUT_PULLUP
+#undef PIN_INPUT_PULLDOWN
+
+#define PIN_OUTPUT             (PULL_DISABLE)
+#define PIN_OUTPUT_PULLUP      (PULL_UP)
+#define PIN_OUTPUT_PULLDOWN    0
+#define PIN_INPUT              (INPUT_EN | PULL_DISABLE)
+#define PIN_INPUT_PULLUP       (INPUT_EN | PULL_UP)
+#define PIN_INPUT_PULLDOWN     (INPUT_EN)
+
+/* undef non-existing modes */
+#undef PIN_OFF_NONE
+#undef PIN_OFF_OUTPUT_HIGH
+#undef PIN_OFF_OUTPUT_LOW
+#undef PIN_OFF_INPUT_PULLUP
+#undef PIN_OFF_INPUT_PULLDOWN
+#undef PIN_OFF_WAKEUPENABLE
+
+#endif
+