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Diffstat (limited to 'include/dt-bindings/pinctrl/omap.h')
| -rw-r--r-- | include/dt-bindings/pinctrl/omap.h | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/include/dt-bindings/pinctrl/omap.h b/include/dt-bindings/pinctrl/omap.h new file mode 100644 index 000000000..49b5dea2b --- /dev/null +++ b/include/dt-bindings/pinctrl/omap.h @@ -0,0 +1,91 @@ +/* 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) + +/* + * 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 + |