arch/x86/platform/intel-mid/device_libs/platform_lis331.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * platform_lis331.c:  lis331 platform data initialization file
   4  *
   5  * (C) Copyright 2013 Intel Corporation
   6  * Author: Sathyanarayanan Kuppuswamy <sathyanarayanan.kuppuswamy@intel.com>
   7  */
   8
   9 #include <linux/i2c.h>
  10 #include <linux/gpio.h>
  11 #include <asm/intel-mid.h>
  12
  13 static void __init *lis331dl_platform_data(void *info)
  14 {
  15         static short intr2nd_pdata;
  16         struct i2c_board_info *i2c_info = info;
  17         int intr = get_gpio_by_name("accel_int");
  18         int intr2nd = get_gpio_by_name("accel_2");
  19
  20         if (intr < 0)
  21                 return NULL;
  22         if (intr2nd < 0)
  23                 return NULL;
  24
  25         i2c_info->irq = intr + INTEL_MID_IRQ_OFFSET;
  26         intr2nd_pdata = intr2nd + INTEL_MID_IRQ_OFFSET;
  27
  28         return &intr2nd_pdata;
  29 }
  30
  31 static const struct devs_id lis331dl_dev_id __initconst = {
  32         .name = "i2c_accel",
  33         .type = SFI_DEV_TYPE_I2C,
  34         .get_platform_data = &lis331dl_platform_data,
  35 };
  36
  37 sfi_device(lis331dl_dev_id);