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

DEFINITIONS

1. msic_gpio_platform_data

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * platform_msic_gpio.c: MSIC GPIO platform data initialization file
   4  *
   5  * (C) Copyright 2013 Intel Corporation
   6  * Author: Sathyanarayanan Kuppuswamy <sathyanarayanan.kuppuswamy@intel.com>
   7  */
   8 
   9 #include <linux/kernel.h>
  10 #include <linux/interrupt.h>
  11 #include <linux/scatterlist.h>
  12 #include <linux/sfi.h>
  13 #include <linux/init.h>
  14 #include <linux/gpio.h>
  15 #include <linux/mfd/intel_msic.h>
  16 #include <asm/intel-mid.h>
  17 
  18 #include "platform_msic.h"
  19 
  20 static void __init *msic_gpio_platform_data(void *info)
  21 {
  22         static struct intel_msic_gpio_pdata msic_gpio_pdata;
  23 
  24         int gpio = get_gpio_by_name("msic_gpio_base");
  25 
  26         if (gpio < 0)
  27                 return NULL;
  28 
  29         msic_gpio_pdata.gpio_base = gpio;
  30         msic_pdata.gpio = &msic_gpio_pdata;
  31 
  32         return msic_generic_platform_data(info, INTEL_MSIC_BLOCK_GPIO);
  33 }
  34 
  35 static const struct devs_id msic_gpio_dev_id __initconst = {
  36         .name = "msic_gpio",
  37         .type = SFI_DEV_TYPE_IPC,
  38         .delay = 1,
  39         .msic = 1,
  40         .get_platform_data = &msic_gpio_platform_data,
  41 };
  42 
  43 sfi_device(msic_gpio_dev_id);