arch/x86/platform/intel-mid/device_libs/platform_max3111.c

   1 /*
   2  * platform_max3111.c: max3111 platform data initilization file
   3  *
   4  * (C) Copyright 2013 Intel Corporation
   5  * Author: Sathyanarayanan Kuppuswamy <sathyanarayanan.kuppuswamy@intel.com>
   6  *
   7  * This program is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU General Public License
   9  * as published by the Free Software Foundation; version 2
  10  * of the License.
  11  */
  12
  13 #include <linux/gpio.h>
  14 #include <linux/spi/spi.h>
  15 #include <asm/intel-mid.h>
  16
  17 static void __init *max3111_platform_data(void *info)
  18 {
  19         struct spi_board_info *spi_info = info;
  20         int intr = get_gpio_by_name("max3111_int");
  21
  22         spi_info->mode = SPI_MODE_0;
  23         if (intr == -1)
  24                 return NULL;
  25         spi_info->irq = intr + INTEL_MID_IRQ_OFFSET;
  26         return NULL;
  27 }
  28
  29 static const struct devs_id max3111_dev_id __initconst = {
  30         .name = "spi_max3111",
  31         .type = SFI_DEV_TYPE_SPI,
  32         .get_platform_data = &max3111_platform_data,
  33 };
  34
  35 sfi_device(max3111_dev_id);