LXR linux/arch/x86/platform/intel-mid/device_libs/platform_pmic

   1/*
   2 * platform_pmic_gpio.c: PMIC GPIO platform data initilization file
   3 *
   4 * (C) Copyright 2013 Intel Corporation
   5 * Author: Sathyanarayanan Kuppuswamy <sathyanarayanan.kuppuswamy@intel.com>
   6 *
   7 * This program is free software; you can redistribute it and/or
   8 * modify it under the terms of the GNU General Public License
   9 * as published by the Free Software Foundation; version 2
  10 * of the License.
  11 */
  12
  13#include <linux/kernel.h>
  14#include <linux/interrupt.h>
  15#include <linux/scatterlist.h>
  16#include <linux/gpio.h>
  17#include <linux/init.h>
  18#include <linux/sfi.h>
  19#include <linux/intel_pmic_gpio.h>
  20#include <asm/intel-mid.h>
  21
  22#include "platform_ipc.h"
  23
  24static void __init *pmic_gpio_platform_data(void *info)
  25{
  26        static struct intel_pmic_gpio_platform_data pmic_gpio_pdata;
  27        int gpio_base = get_gpio_by_name("pmic_gpio_base");
  28
  29        if (gpio_base == -1)
  30                gpio_base = 64;
  31        pmic_gpio_pdata.gpio_base = gpio_base;
  32        pmic_gpio_pdata.irq_base = gpio_base + INTEL_MID_IRQ_OFFSET;
  33        pmic_gpio_pdata.gpiointr = 0xffffeff8;
  34
  35        return &pmic_gpio_pdata;
  36}
  37
  38static const struct devs_id pmic_gpio_spi_dev_id __initconst = {
  39        .name = "pmic_gpio",
  40        .type = SFI_DEV_TYPE_SPI,
  41        .delay = 1,
  42        .get_platform_data = &pmic_gpio_platform_data,
  43};
  44
  45static const struct devs_id pmic_gpio_ipc_dev_id __initconst = {
  46        .name = "pmic_gpio",
  47        .type = SFI_DEV_TYPE_IPC,
  48        .delay = 1,
  49        .get_platform_data = &pmic_gpio_platform_data,
  50        .device_handler = &ipc_device_handler
  51};
  52
  53sfi_device(pmic_gpio_spi_dev_id);
  54sfi_device(pmic_gpio_ipc_dev_id);
  55