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kernel/linux-rt-4.4.41/include/dt-bindings/pinctrl/keystone.h 1.14 KB
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  /*
   * This header provides constants for Keystone pinctrl bindings.
   *
   * Copyright (C) 2016 Texas Instruments Incorporated - http://www.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.
   *
   * This program is distributed "as is" WITHOUT ANY WARRANTY of any
   * kind, whether express or implied; without even the implied warranty
   * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU General Public License for more details.
   */
  
  #ifndef _DT_BINDINGS_PINCTRL_KEYSTONE_H
  #define _DT_BINDINGS_PINCTRL_KEYSTONE_H
  
  #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 BUFFER_CLASS_B	(0 << 19)
  #define BUFFER_CLASS_C	(1 << 19)
  #define BUFFER_CLASS_D	(2 << 19)
  #define BUFFER_CLASS_E	(3 << 19)
  
  #define PULL_DISABLE	(1 << 16)
  #define PIN_PULLUP	(1 << 17)
  #define PIN_PULLDOWN	(0 << 17)
  
  #define KEYSTONE_IOPAD_OFFSET(pa, offset) (((pa) & 0xffff) - (offset))
  
  #define K2G_CORE_IOPAD(pa) KEYSTONE_IOPAD_OFFSET((pa), 0x1000)
  
  #endif