linux-imx

/*

 * Intel LPSS PCI support.

 *

 * Copyright (C) 2015, Intel Corporation

 *

 * Authors: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

 *          Mika Westerberg <mika.westerberg@linux.intel.com>

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 as

 * published by the Free Software Foundation.

 */

​

#include <linux/ioport.h>

#include <linux/kernel.h>

#include <linux/module.h>

#include <linux/pci.h>

#include <linux/pm_runtime.h>

#include <linux/property.h>

​

#include "intel-lpss.h"

​

static int intel_lpss_pci_probe(struct pci_dev *pdev,

                const struct pci_device_id *id)

{

    struct intel_lpss_platform_info *info;

    int ret;

​

    ret = pcim_enable_device(pdev);

    if (ret)

        return ret;

​

    info = devm_kmemdup(&pdev->dev, (void *)id->driver_data, sizeof(*info),

                GFP_KERNEL);

    if (!info)

        return -ENOMEM;

​

    info->mem = &pdev->resource[0];

    info->irq = pdev->irq;

​

    /* Probably it is enough to set this for iDMA capable devices only */

    pci_set_master(pdev);

    pci_try_set_mwi(pdev);

​

    ret = intel_lpss_probe(&pdev->dev, info);

    if (ret)

        return ret;

​

    pm_runtime_put(&pdev->dev);

    pm_runtime_allow(&pdev->dev);

​

    return 0;

}

​

static void intel_lpss_pci_remove(struct pci_dev *pdev)

{

    pm_runtime_forbid(&pdev->dev);

    pm_runtime_get_sync(&pdev->dev);

​

    intel_lpss_remove(&pdev->dev);

}

​

static INTEL_LPSS_PM_OPS(intel_lpss_pci_pm_ops);

​

static const struct intel_lpss_platform_info spt_info = {

    .clk_rate = 120000000,

};

​

static struct property_entry spt_i2c_properties[] = {

    PROPERTY_ENTRY_U32("i2c-sda-hold-time-ns", 230),

    { },

};

​

static const struct intel_lpss_platform_info spt_i2c_info = {

    .clk_rate = 120000000,

    .properties = spt_i2c_properties,

};

​

static struct property_entry uart_properties[] = {

    PROPERTY_ENTRY_U32("reg-io-width", 4),

    PROPERTY_ENTRY_U32("reg-shift", 2),

    PROPERTY_ENTRY_BOOL("snps,uart-16550-compatible"),

    { },

};

​

static const struct intel_lpss_platform_info spt_uart_info = {

    .clk_rate = 120000000,

    .clk_con_id = "baudclk",

    .properties = uart_properties,

};

​

static const struct intel_lpss_platform_info bxt_info = {