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kernel/linux-rt-4.4.41/include/dt-bindings/pinctrl/dra.h 2.94 KB
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  /*
   * This header provides constants for DRA pinctrl bindings.
   *
   * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com/
   * Author: Rajendra Nayak <rnayak@ti.com>
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License version 2 as
   * published by the Free Software Foundation.
   */
  
  #ifndef _DT_BINDINGS_PINCTRL_DRA_H
  #define _DT_BINDINGS_PINCTRL_DRA_H
  
  /* DRA7 mux mode options for each pin. See TRM for options */
  #define MUX_MODE0	0x0
  #define MUX_MODE1	0x1
  #define MUX_MODE2	0x2
  #define MUX_MODE3	0x3
  #define MUX_MODE4	0x4
  #define MUX_MODE5	0x5
  #define MUX_MODE6	0x6
  #define MUX_MODE7	0x7
  #define MUX_MODE8	0x8
  #define MUX_MODE9	0x9
  #define MUX_MODE10	0xa
  #define MUX_MODE11	0xb
  #define MUX_MODE12	0xc
  #define MUX_MODE13	0xd
  #define MUX_MODE14	0xe
  #define MUX_MODE15	0xf
  
  /* Certain pins need virtual mode, but note: they may glitch */
  #define MUX_VIRTUAL_MODE0	(MODE_SELECT | (0x0 << 4))
  #define MUX_VIRTUAL_MODE1	(MODE_SELECT | (0x1 << 4))
  #define MUX_VIRTUAL_MODE2	(MODE_SELECT | (0x2 << 4))
  #define MUX_VIRTUAL_MODE3	(MODE_SELECT | (0x3 << 4))
  #define MUX_VIRTUAL_MODE4	(MODE_SELECT | (0x4 << 4))
  #define MUX_VIRTUAL_MODE5	(MODE_SELECT | (0x5 << 4))
  #define MUX_VIRTUAL_MODE6	(MODE_SELECT | (0x6 << 4))
  #define MUX_VIRTUAL_MODE7	(MODE_SELECT | (0x7 << 4))
  #define MUX_VIRTUAL_MODE8	(MODE_SELECT | (0x8 << 4))
  #define MUX_VIRTUAL_MODE9	(MODE_SELECT | (0x9 << 4))
  #define MUX_VIRTUAL_MODE10	(MODE_SELECT | (0xa << 4))
  #define MUX_VIRTUAL_MODE11	(MODE_SELECT | (0xb << 4))
  #define MUX_VIRTUAL_MODE12	(MODE_SELECT | (0xc << 4))
  #define MUX_VIRTUAL_MODE13	(MODE_SELECT | (0xd << 4))
  #define MUX_VIRTUAL_MODE14	(MODE_SELECT | (0xe << 4))
  #define MUX_VIRTUAL_MODE15	(MODE_SELECT | (0xf << 4))
  
  #define MODE_SELECT		(1 << 8)
  
  #define MANUAL_MODE		MODE_SELECT
  
  #define PULL_ENA		(0 << 16)
  #define PULL_DIS		(1 << 16)
  #define PULL_UP			(1 << 17)
  #define INPUT_EN		(1 << 18)
  #define SLEWCONTROL		(1 << 19)
  #define WAKEUP_EN		(1 << 24)
  #define WAKEUP_EVENT		(1 << 25)
  
  /* Active pin states */
  #define PIN_OUTPUT		(0 | PULL_DIS)
  #define PIN_OUTPUT_PULLUP	(PULL_UP)
  #define PIN_OUTPUT_PULLDOWN	(0)
  #define PIN_INPUT		(INPUT_EN | PULL_DIS)
  #define PIN_INPUT_SLEW		(INPUT_EN | SLEWCONTROL)
  #define PIN_INPUT_PULLUP	(PULL_ENA | INPUT_EN | PULL_UP)
  #define PIN_INPUT_PULLDOWN	(PULL_ENA | INPUT_EN)
  
  /*
   * Macro to allow using the absolute physical address instead of the
   * padconf registers instead of the offset from padconf base.
   */
  #define DRA7XX_CORE_IOPAD(pa, val)	(((pa) & 0xffff) - 0x3400) (val)
  
  /* DRA7 IODELAY configuration parameters */
  #define A_DELAY(val)		((val) & 0xFFFF)
  #define G_DELAY(val)		(((val) & 0xFFFF) << 16)
  
  /* DRA72 VIP MUX selection parameters */
  #define VIP_VIN3A		(0x0 << 4)
  #define VIP_VIN5A		(0x1 << 4)
  #define VIP_VIN6A		(0x2 << 4)
  
  #define VIP_VIN4B		(0x0 << 3)
  
  #define VIP_VIN2A		(0x0 << 1)
  #define VIP_VIN4A		(0x1 << 1)
  
  #define VIP_VIN3B		(0x0 << 0)
  #define VIP_VIN2B		(0x1 << 0)
  
  #endif