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authorSascha Hauer <s.hauer@pengutronix.de>2013-11-18 14:11:35 +0100
committerSascha Hauer <s.hauer@pengutronix.de>2013-11-22 14:24:02 +0100
commit1541c455003069a18cedb31673d69d817ebe99e7 (patch)
tree3b560cf551c71433fe4e41fb3c2739baeae42d8f /include/dt-bindings
parent7e548ef48f514241bb4c78354da887bbcb020662 (diff)
downloadbarebox-1541c455003069a18cedb31673d69d817ebe99e7.tar.gz
barebox-1541c455003069a18cedb31673d69d817ebe99e7.tar.xz
dt-bindings: Add omap/am33xx pinctrl header file
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'include/dt-bindings')
-rw-r--r--include/dt-bindings/pinctrl/am33xx.h42
-rw-r--r--include/dt-bindings/pinctrl/omap.h53
2 files changed, 95 insertions, 0 deletions
diff --git a/include/dt-bindings/pinctrl/am33xx.h b/include/dt-bindings/pinctrl/am33xx.h
new file mode 100644
index 0000000000..2fbc804e1a
--- /dev/null
+++ b/include/dt-bindings/pinctrl/am33xx.h
@@ -0,0 +1,42 @@
+/*
+ * 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_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
+
+#endif
+
diff --git a/include/dt-bindings/pinctrl/omap.h b/include/dt-bindings/pinctrl/omap.h
new file mode 100644
index 0000000000..bed35e36fd
--- /dev/null
+++ b/include/dt-bindings/pinctrl/omap.h
@@ -0,0 +1,53 @@
+/*
+ * This header provides constants for OMAP pinctrl bindings.
+ *
+ * Copyright (C) 2009 Nokia
+ * Copyright (C) 2009-2010 Texas Instruments
+ */
+
+#ifndef _DT_BINDINGS_PINCTRL_OMAP_H
+#define _DT_BINDINGS_PINCTRL_OMAP_H
+
+/* 34xx mux mode options for each pin. See TRM for options */
+#define MUX_MODE0 0
+#define MUX_MODE1 1
+#define MUX_MODE2 2
+#define MUX_MODE3 3
+#define MUX_MODE4 4
+#define MUX_MODE5 5
+#define MUX_MODE6 6
+#define MUX_MODE7 7
+
+/* 24xx/34xx mux bit defines */
+#define PULL_ENA (1 << 3)
+#define PULL_UP (1 << 4)
+#define ALTELECTRICALSEL (1 << 5)
+
+/* omap3/4/5 specific mux bit defines */
+#define INPUT_EN (1 << 8)
+#define OFF_EN (1 << 9)
+#define OFFOUT_EN (1 << 10)
+#define OFFOUT_VAL (1 << 11)
+#define OFF_PULL_EN (1 << 12)
+#define OFF_PULL_UP (1 << 13)
+#define WAKEUP_EN (1 << 14)
+#define WAKEUP_EVENT (1 << 15)
+
+/* Active pin states */
+#define PIN_OUTPUT 0
+#define PIN_OUTPUT_PULLUP (PIN_OUTPUT | PULL_ENA | PULL_UP)
+#define PIN_OUTPUT_PULLDOWN (PIN_OUTPUT | PULL_ENA)
+#define PIN_INPUT INPUT_EN
+#define PIN_INPUT_PULLUP (PULL_ENA | INPUT_EN | PULL_UP)
+#define PIN_INPUT_PULLDOWN (PULL_ENA | INPUT_EN)
+
+/* Off mode states */
+#define PIN_OFF_NONE 0
+#define PIN_OFF_OUTPUT_HIGH (OFF_EN | OFFOUT_EN | OFFOUT_VAL)
+#define PIN_OFF_OUTPUT_LOW (OFF_EN | OFFOUT_EN)
+#define PIN_OFF_INPUT_PULLUP (OFF_EN | OFF_PULL_EN | OFF_PULL_UP)
+#define PIN_OFF_INPUT_PULLDOWN (OFF_EN | OFF_PULL_EN)
+#define PIN_OFF_WAKEUPENABLE WAKEUP_EN
+
+#endif
+