target/linux/ubicom32/files/arch/ubicom32/include/asm/ubicom32-spi-gpio.h

   1 /*
   2  * arch/ubicom32/include/asm/ubicom32-spi-gpio.h
   3  *   Platform driver data definitions for GPIO based SPI driver.
   4  *
   5  * (C) Copyright 2009, Ubicom, Inc.
   6  *
   7  * This file is part of the Ubicom32 Linux Kernel Port.
   8  *
   9  * The Ubicom32 Linux Kernel Port is free software: you can redistribute
  10  * it and/or modify it under the terms of the GNU General Public License
  11  * as published by the Free Software Foundation, either version 2 of the
  12  * License, or (at your option) any later version.
  13  *
  14  * The Ubicom32 Linux Kernel Port is distributed in the hope that it
  15  * will be useful, but WITHOUT ANY WARRANTY; without even the implied
  16  * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
  17  * the GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with the Ubicom32 Linux Kernel Port.  If not,
  21  * see <http://www.gnu.org/licenses/>.
  22  *
  23  * Ubicom32 implementation derived from (with many thanks):
  24  *   arch/m68knommu
  25  *   arch/blackfin
  26  *   arch/parisc
  27  */
  28 #ifndef _ASM_UBICOM32_UBICOM32_SPI_GPIO_H
  29 #define _ASM_UBICOM32_UBICOM32_SPI_GPIO_H
  30
  31 struct ubicom32_spi_gpio_platform_data {
  32         /*
  33          * GPIO to use for MOSI, MISO, CLK
  34          */
  35         int     pin_mosi;
  36         int     pin_miso;
  37         int     pin_clk;
  38
  39         /*
  40          * Default state of CLK line
  41          */
  42         int     clk_default;
  43
  44         /*
  45          * Number of chip selects on this bus
  46          */
  47         int     num_chipselect;
  48
  49         /*
  50          * The bus number of this chip
  51          */
  52         int     bus_num;
  53 };
  54
  55 struct ubicom32_spi_gpio_controller_data {
  56         /*
  57          * GPIO to use for chip select
  58          */
  59         int     pin_cs;
  60 };
  61
  62 #endif /* _ASM_UBICOM32_UBICOM32_SPI_GPIO_H */