1 files changed, 113 insertions, 0 deletions

diff --git a/drivers/mfd/intel-lpss-pci.c b/drivers/mfd/intel-lpss-pci.c
new file mode 100644
index 000000000000..9236dffeb4d6
--- /dev/null
+++ b/drivers/mfd/intel-lpss-pci.c
@@ -0,0 +1,113 @@
+/*
+ * 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.h>
+#include <linux/pm_runtime.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);
+
+        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 const struct intel_lpss_platform_info spt_uart_info = {
+        .clk_rate = 120000000,
+        .clk_con_id = "baudclk",
+};
+
+static const struct pci_device_id intel_lpss_pci_ids[] = {
+        /* SPT-LP */
+        { PCI_VDEVICE(INTEL, 0x9d27), (kernel_ulong_t)&spt_uart_info },
+        { PCI_VDEVICE(INTEL, 0x9d28), (kernel_ulong_t)&spt_uart_info },
+        { PCI_VDEVICE(INTEL, 0x9d29), (kernel_ulong_t)&spt_info },
+        { PCI_VDEVICE(INTEL, 0x9d2a), (kernel_ulong_t)&spt_info },
+        { PCI_VDEVICE(INTEL, 0x9d60), (kernel_ulong_t)&spt_info },
+        { PCI_VDEVICE(INTEL, 0x9d61), (kernel_ulong_t)&spt_info },
+        { PCI_VDEVICE(INTEL, 0x9d62), (kernel_ulong_t)&spt_info },
+        { PCI_VDEVICE(INTEL, 0x9d63), (kernel_ulong_t)&spt_info },
+        { PCI_VDEVICE(INTEL, 0x9d64), (kernel_ulong_t)&spt_info },
+        { PCI_VDEVICE(INTEL, 0x9d65), (kernel_ulong_t)&spt_info },
+        { PCI_VDEVICE(INTEL, 0x9d66), (kernel_ulong_t)&spt_uart_info },
+        /* SPT-H */
+        { PCI_VDEVICE(INTEL, 0xa127), (kernel_ulong_t)&spt_uart_info },
+        { PCI_VDEVICE(INTEL, 0xa128), (kernel_ulong_t)&spt_uart_info },
+        { PCI_VDEVICE(INTEL, 0xa129), (kernel_ulong_t)&spt_info },
+        { PCI_VDEVICE(INTEL, 0xa12a), (kernel_ulong_t)&spt_info },
+        { PCI_VDEVICE(INTEL, 0xa160), (kernel_ulong_t)&spt_info },
+        { PCI_VDEVICE(INTEL, 0xa161), (kernel_ulong_t)&spt_info },
+        { PCI_VDEVICE(INTEL, 0xa166), (kernel_ulong_t)&spt_uart_info },
+        { }
+};
+MODULE_DEVICE_TABLE(pci, intel_lpss_pci_ids);
+
+static struct pci_driver intel_lpss_pci_driver = {
+        .name = "intel-lpss",
+        .id_table = intel_lpss_pci_ids,
+        .probe = intel_lpss_pci_probe,
+        .remove = intel_lpss_pci_remove,
+        .driver = {
+                .pm = &intel_lpss_pci_pm_ops,
+        },
+};
+
+module_pci_driver(intel_lpss_pci_driver);
+
+MODULE_AUTHOR("Andy Shevchenko <andriy.shevchenko@linux.intel.com>");
+MODULE_AUTHOR("Mika Westerberg <mika.westerberg@linux.intel.com>");
+MODULE_DESCRIPTION("Intel LPSS PCI driver");
+MODULE_LICENSE("GPL v2");