78 строки
2.5 KiB
C
78 строки
2.5 KiB
C
/*
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* This header provides constants for DRA pinctrl bindings.
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*
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* Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com/
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* Author: Rajendra Nayak <rnayak@ti.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef _DT_BINDINGS_PINCTRL_DRA_H
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#define _DT_BINDINGS_PINCTRL_DRA_H
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/* DRA7 mux mode options for each pin. See TRM for options */
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#define MUX_MODE0 0x0
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#define MUX_MODE1 0x1
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#define MUX_MODE2 0x2
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#define MUX_MODE3 0x3
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#define MUX_MODE4 0x4
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#define MUX_MODE5 0x5
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#define MUX_MODE6 0x6
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#define MUX_MODE7 0x7
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#define MUX_MODE8 0x8
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#define MUX_MODE9 0x9
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#define MUX_MODE10 0xa
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#define MUX_MODE11 0xb
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#define MUX_MODE12 0xc
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#define MUX_MODE13 0xd
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#define MUX_MODE14 0xe
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#define MUX_MODE15 0xf
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/* Certain pins need virtual mode, but note: they may glitch */
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#define MUX_VIRTUAL_MODE0 (MODE_SELECT | (0x0 << 4))
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#define MUX_VIRTUAL_MODE1 (MODE_SELECT | (0x1 << 4))
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#define MUX_VIRTUAL_MODE2 (MODE_SELECT | (0x2 << 4))
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#define MUX_VIRTUAL_MODE3 (MODE_SELECT | (0x3 << 4))
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#define MUX_VIRTUAL_MODE4 (MODE_SELECT | (0x4 << 4))
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#define MUX_VIRTUAL_MODE5 (MODE_SELECT | (0x5 << 4))
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#define MUX_VIRTUAL_MODE6 (MODE_SELECT | (0x6 << 4))
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#define MUX_VIRTUAL_MODE7 (MODE_SELECT | (0x7 << 4))
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#define MUX_VIRTUAL_MODE8 (MODE_SELECT | (0x8 << 4))
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#define MUX_VIRTUAL_MODE9 (MODE_SELECT | (0x9 << 4))
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#define MUX_VIRTUAL_MODE10 (MODE_SELECT | (0xa << 4))
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#define MUX_VIRTUAL_MODE11 (MODE_SELECT | (0xb << 4))
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#define MUX_VIRTUAL_MODE12 (MODE_SELECT | (0xc << 4))
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#define MUX_VIRTUAL_MODE13 (MODE_SELECT | (0xd << 4))
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#define MUX_VIRTUAL_MODE14 (MODE_SELECT | (0xe << 4))
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#define MUX_VIRTUAL_MODE15 (MODE_SELECT | (0xf << 4))
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#define MODE_SELECT (1 << 8)
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#define PULL_ENA (0 << 16)
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#define PULL_DIS (1 << 16)
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#define PULL_UP (1 << 17)
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#define INPUT_EN (1 << 18)
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#define SLEWCONTROL (1 << 19)
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#define WAKEUP_EN (1 << 24)
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#define WAKEUP_EVENT (1 << 25)
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/* Active pin states */
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#define PIN_OUTPUT (0 | PULL_DIS)
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#define PIN_OUTPUT_PULLUP (PULL_UP)
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#define PIN_OUTPUT_PULLDOWN (0)
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#define PIN_INPUT (INPUT_EN | PULL_DIS)
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#define PIN_INPUT_SLEW (INPUT_EN | SLEWCONTROL)
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#define PIN_INPUT_PULLUP (PULL_ENA | INPUT_EN | PULL_UP)
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#define PIN_INPUT_PULLDOWN (PULL_ENA | INPUT_EN)
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/*
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* Macro to allow using the absolute physical address instead of the
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* padconf registers instead of the offset from padconf base.
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*/
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#define DRA7XX_CORE_IOPAD(pa, val) (((pa) & 0xffff) - 0x3400) (val)
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#endif
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