FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/include/dt-bindings/pinctrl/dra.h

     /* SPDX-License-Identifier: GPL-2.0-only */
     /*
      * This header provides constants for DRA pinctrl bindings.
      *
      * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com/
      * Author: Rajendra Nayak <rnayak@ti.com>
      */
     
     #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 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_PS(val)                 ((val) & 0xffff)
    #define G_DELAY_PS(val)                 ((val) & 0xffff)
    #endif
    

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