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authorFlorian Vaussard <florian.vaussard@epfl.ch>2013-06-03 18:12:24 +0400
committerBenoit Cousson <benoit.cousson@linaro.org>2013-06-19 03:53:42 +0400
commit3f2d1658a759692af19a0867100bd777a3d93184 (patch)
tree7f73c83379ef4155d6939b645fc0af1d3a2e43bf /include/dt-bindings/pinctrl/am33xx.h
parente94233c287890a4236cfccc1be7d663435dd1aff (diff)
downloadlinux-3f2d1658a759692af19a0867100bd777a3d93184.tar.xz
ARM: dts: AM33XX: Specific pinctrl header
The pinctrl IP inside the AM33XX family differs slightly from what is found on OMAP2+. Define a specific header to take account of the differences. Signed-off-by: Florian Vaussard <florian.vaussard@epfl.ch> Tested-by: Afzal Mohammed <afzal@ti.com> Signed-off-by: Benoit Cousson <benoit.cousson@linaro.org>
Diffstat (limited to 'include/dt-bindings/pinctrl/am33xx.h')
-rw-r--r--include/dt-bindings/pinctrl/am33xx.h37
1 files changed, 37 insertions, 0 deletions
diff --git a/include/dt-bindings/pinctrl/am33xx.h b/include/dt-bindings/pinctrl/am33xx.h
new file mode 100644
index 000000000000..a3fddd4f6ecf
--- /dev/null
+++ b/include/dt-bindings/pinctrl/am33xx.h
@@ -0,0 +1,37 @@
+/*
+ * This header provides constants specific to AM33XX pinctrl bindings.
+ */
+
+#include <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_FAST (1 << 6)
+
+/* 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
+