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

   1 /*
   2  * Intel Merrifield FLIS platform device initialization file
   3  *
   4  * Copyright (C) 2016, Intel Corporation
   5  *
   6  * Author: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License
  10  * as published by the Free Software Foundation; version 2
  11  * of the License.
  12  */
  13
  14 #include <linux/init.h>
  15 #include <linux/ioport.h>
  16 #include <linux/platform_device.h>
  17
  18 #include <asm/intel-mid.h>
  19
  20 #define FLIS_BASE_ADDR                  0xff0c0000
  21 #define FLIS_LENGTH                     0x8000
  22
  23 static struct resource mrfld_pinctrl_mmio_resource = {
  24         .start          = FLIS_BASE_ADDR,
  25         .end            = FLIS_BASE_ADDR + FLIS_LENGTH - 1,
  26         .flags          = IORESOURCE_MEM,
  27 };
  28
  29 static struct platform_device mrfld_pinctrl_device = {
  30         .name           = "pinctrl-merrifield",
  31         .id             = PLATFORM_DEVID_NONE,
  32         .resource       = &mrfld_pinctrl_mmio_resource,
  33         .num_resources  = 1,
  34 };
  35
  36 static int __init mrfld_pinctrl_init(void)
  37 {
  38         if (intel_mid_identify_cpu() == INTEL_MID_CPU_CHIP_TANGIER)
  39                 return platform_device_register(&mrfld_pinctrl_device);
  40
  41         return -ENODEV;
  42 }
  43 arch_initcall(mrfld_pinctrl_init);