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-rw-r--r--include/dt-bindings/pinctrl/omap.h92
1 files changed, 92 insertions, 0 deletions
diff --git a/include/dt-bindings/pinctrl/omap.h b/include/dt-bindings/pinctrl/omap.h
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--- /dev/null
+++ b/include/dt-bindings/pinctrl/omap.h
@@ -0,0 +1,92 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * 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 | OFFOUT_EN | OFF_PULL_EN | OFF_PULL_UP)
+#define PIN_OFF_INPUT_PULLDOWN (OFF_EN | OFFOUT_EN | OFF_PULL_EN)
+#define PIN_OFF_WAKEUPENABLE WAKEUP_EN
+
+/*
+ * Macros to allow using the absolute physical address instead of the
+ * padconf registers instead of the offset from padconf base.
+ */
+#define OMAP_IOPAD_OFFSET(pa, offset) (((pa) & 0xffff) - (offset))
+
+#define OMAP2420_CORE_IOPAD(pa, val) OMAP_IOPAD_OFFSET((pa), 0x0030) (val)
+#define OMAP2430_CORE_IOPAD(pa, val) OMAP_IOPAD_OFFSET((pa), 0x2030) (val)
+#define OMAP3_CORE1_IOPAD(pa, val) OMAP_IOPAD_OFFSET((pa), 0x2030) (val)
+#define OMAP3430_CORE2_IOPAD(pa, val) OMAP_IOPAD_OFFSET((pa), 0x25d8) (val)
+#define OMAP3630_CORE2_IOPAD(pa, val) OMAP_IOPAD_OFFSET((pa), 0x25a0) (val)
+#define OMAP3_WKUP_IOPAD(pa, val) OMAP_IOPAD_OFFSET((pa), 0x2a00) (val)
+#define DM814X_IOPAD(pa, val) OMAP_IOPAD_OFFSET((pa), 0x0800) (val)
+#define DM816X_IOPAD(pa, val) OMAP_IOPAD_OFFSET((pa), 0x0800) (val)
+#define AM33XX_IOPAD(pa, val) OMAP_IOPAD_OFFSET((pa), 0x0800) (val) (0)
+#define AM33XX_PADCONF(pa, conf, mux) OMAP_IOPAD_OFFSET((pa), 0x0800) (conf) (mux)
+
+/*
+ * Macros to allow using the offset from the padconf physical address
+ * instead of the offset from padconf base.
+ */
+#define OMAP_PADCONF_OFFSET(offset, base_offset) ((offset) - (base_offset))
+
+#define OMAP4_IOPAD(offset, val) OMAP_PADCONF_OFFSET((offset), 0x0040) (val)
+#define OMAP5_IOPAD(offset, val) OMAP_PADCONF_OFFSET((offset), 0x0040) (val)
+
+/*
+ * Define some commonly used pins configured by the boards.
+ * Note that some boards use alternative pins, so check
+ * the schematics before using these.
+ */
+#define OMAP3_UART1_RX 0x152
+#define OMAP3_UART2_RX 0x14a
+#define OMAP3_UART3_RX 0x16e
+#define OMAP4_UART2_RX 0xdc
+#define OMAP4_UART3_RX 0x104
+#define OMAP4_UART4_RX 0x11c
+
+#endif
+