arch/x86/platform/intel-mid/device_libs/platform_emc1403.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * platform_emc1403.c: emc1403 platform data initialization file
   4  *
   5  * (C) Copyright 2013 Intel Corporation
   6  * Author: Sathyanarayanan Kuppuswamy <sathyanarayanan.kuppuswamy@intel.com>
   7  */
   8
   9 #include <linux/init.h>
  10 #include <linux/gpio.h>
  11 #include <linux/i2c.h>
  12 #include <asm/intel-mid.h>
  13
  14 static void __init *emc1403_platform_data(void *info)
  15 {
  16         static short intr2nd_pdata;
  17         struct i2c_board_info *i2c_info = info;
  18         int intr = get_gpio_by_name("thermal_int");
  19         int intr2nd = get_gpio_by_name("thermal_alert");
  20
  21         if (intr < 0)
  22                 return NULL;
  23         if (intr2nd < 0)
  24                 return NULL;
  25
  26         i2c_info->irq = intr + INTEL_MID_IRQ_OFFSET;
  27         intr2nd_pdata = intr2nd + INTEL_MID_IRQ_OFFSET;
  28
  29         return &intr2nd_pdata;
  30 }
  31
  32 static const struct devs_id emc1403_dev_id __initconst = {
  33         .name = "emc1403",
  34         .type = SFI_DEV_TYPE_I2C,
  35         .delay = 1,
  36         .get_platform_data = &emc1403_platform_data,
  37 };
  38
  39 sfi_device(emc1403_dev_id);