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

DEFINITIONS

1. mrfld_pinctrl_init

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Intel Merrifield FLIS platform device initialization file
   4  *
   5  * Copyright (C) 2016, Intel Corporation
   6  *
   7  * Author: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
   8  */
   9 
  10 #include <linux/init.h>
  11 #include <linux/ioport.h>
  12 #include <linux/platform_device.h>
  13 
  14 #include <asm/intel-mid.h>
  15 
  16 #define FLIS_BASE_ADDR                  0xff0c0000
  17 #define FLIS_LENGTH                     0x8000
  18 
  19 static struct resource mrfld_pinctrl_mmio_resource = {
  20         .start          = FLIS_BASE_ADDR,
  21         .end            = FLIS_BASE_ADDR + FLIS_LENGTH - 1,
  22         .flags          = IORESOURCE_MEM,
  23 };
  24 
  25 static struct platform_device mrfld_pinctrl_device = {
  26         .name           = "pinctrl-merrifield",
  27         .id             = PLATFORM_DEVID_NONE,
  28         .resource       = &mrfld_pinctrl_mmio_resource,
  29         .num_resources  = 1,
  30 };
  31 
  32 static int __init mrfld_pinctrl_init(void)
  33 {
  34         if (intel_mid_identify_cpu() == INTEL_MID_CPU_CHIP_TANGIER)
  35                 return platform_device_register(&mrfld_pinctrl_device);
  36 
  37         return -ENODEV;
  38 }
  39 arch_initcall(mrfld_pinctrl_init);