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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/include/dt-bindings/pinctrl/dra.h
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/* SPDX-License-Identifier: GPL-2.0-only */

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/*

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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 <[email protected]>

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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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/* DRA7 IODELAY configuration parameters */

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#define A_DELAY_PS(val)			((val) & 0xffff)

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#define G_DELAY_PS(val)			((val) & 0xffff)

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#endif

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