1 /* SPDX-License-Identifier: GPL-2.0 */
3 * This header provides constants for OMAP pinctrl bindings.
5 * Copyright (C) 2009 Nokia
6 * Copyright (C) 2009-2010 Texas Instruments
9 #ifndef _DT_BINDINGS_PINCTRL_OMAP_H
10 #define _DT_BINDINGS_PINCTRL_OMAP_H
12 /* 34xx mux mode options for each pin. See TRM for options */
22 /* 24xx/34xx mux bit defines */
23 #define PULL_ENA (1 << 3)
24 #define PULL_UP (1 << 4)
25 #define ALTELECTRICALSEL (1 << 5)
27 /* 34xx specific mux bit defines */
28 #define INPUT_EN (1 << 8)
29 #define OFF_EN (1 << 9)
30 #define OFFOUT_EN (1 << 10)
31 #define OFFOUT_VAL (1 << 11)
32 #define OFF_PULL_EN (1 << 12)
33 #define OFF_PULL_UP (1 << 13)
34 #define WAKEUP_EN (1 << 14)
36 /* 44xx specific mux bit defines */
37 #define WAKEUP_EVENT (1 << 15)
39 /* Active pin states */
41 #define PIN_OUTPUT_PULLUP (PIN_OUTPUT | PULL_ENA | PULL_UP)
42 #define PIN_OUTPUT_PULLDOWN (PIN_OUTPUT | PULL_ENA)
43 #define PIN_INPUT INPUT_EN
44 #define PIN_INPUT_PULLUP (PULL_ENA | INPUT_EN | PULL_UP)
45 #define PIN_INPUT_PULLDOWN (PULL_ENA | INPUT_EN)
48 #define PIN_OFF_NONE 0
49 #define PIN_OFF_OUTPUT_HIGH (OFF_EN | OFFOUT_EN | OFFOUT_VAL)
50 #define PIN_OFF_OUTPUT_LOW (OFF_EN | OFFOUT_EN)
51 #define PIN_OFF_INPUT_PULLUP (OFF_EN | OFF_PULL_EN | OFF_PULL_UP)
52 #define PIN_OFF_INPUT_PULLDOWN (OFF_EN | OFF_PULL_EN)
53 #define PIN_OFF_WAKEUPENABLE WAKEUP_EN
56 * Macros to allow using the absolute physical address instead of the
57 * padconf registers instead of the offset from padconf base.
59 #define OMAP_IOPAD_OFFSET(pa, offset) (((pa) & 0xffff) - (offset))
61 #define OMAP2420_CORE_IOPAD(pa, val) OMAP_IOPAD_OFFSET((pa), 0x0030) (val)
62 #define OMAP2430_CORE_IOPAD(pa, val) OMAP_IOPAD_OFFSET((pa), 0x2030) (val)
63 #define OMAP3_CORE1_IOPAD(pa, val) OMAP_IOPAD_OFFSET((pa), 0x2030) (val)
64 #define OMAP3430_CORE2_IOPAD(pa, val) OMAP_IOPAD_OFFSET((pa), 0x25d8) (val)
65 #define OMAP3630_CORE2_IOPAD(pa, val) OMAP_IOPAD_OFFSET((pa), 0x25a0) (val)
66 #define OMAP3_WKUP_IOPAD(pa, val) OMAP_IOPAD_OFFSET((pa), 0x2a00) (val)
67 #define DM814X_IOPAD(pa, val) OMAP_IOPAD_OFFSET((pa), 0x0800) (val)
68 #define DM816X_IOPAD(pa, val) OMAP_IOPAD_OFFSET((pa), 0x0800) (val)
69 #define AM33XX_IOPAD(pa, val) OMAP_IOPAD_OFFSET((pa), 0x0800) (val)
72 * Macros to allow using the offset from the padconf physical address
73 * instead of the offset from padconf base.
75 #define OMAP_PADCONF_OFFSET(offset, base_offset) ((offset) - (base_offset))
77 #define OMAP4_IOPAD(offset, val) OMAP_PADCONF_OFFSET((offset), 0x0040) (val)
78 #define OMAP5_IOPAD(offset, val) OMAP_PADCONF_OFFSET((offset), 0x0040) (val)
81 * Define some commonly used pins configured by the boards.
82 * Note that some boards use alternative pins, so check
83 * the schematics before using these.
85 #define OMAP3_UART1_RX 0x152
86 #define OMAP3_UART2_RX 0x14a
87 #define OMAP3_UART3_RX 0x16e
88 #define OMAP4_UART2_RX 0xdc
89 #define OMAP4_UART3_RX 0x104
90 #define OMAP4_UART4_RX 0x11c