Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / drivers / pwm / pwm-lpss-pci.c
diff --git a/kernel/drivers/pwm/pwm-lpss-pci.c b/kernel/drivers/pwm/pwm-lpss-pci.c
new file mode 100644 (file)
index 0000000..cf20d2b
--- /dev/null
@@ -0,0 +1,64 @@
+/*
+ * Intel Low Power Subsystem PWM controller PCI driver
+ *
+ * Copyright (C) 2014, Intel Corporation
+ *
+ * Derived from the original pwm-lpss.c
+ *
+ * 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/kernel.h>
+#include <linux/module.h>
+#include <linux/pci.h>
+
+#include "pwm-lpss.h"
+
+static int pwm_lpss_probe_pci(struct pci_dev *pdev,
+                             const struct pci_device_id *id)
+{
+       const struct pwm_lpss_boardinfo *info;
+       struct pwm_lpss_chip *lpwm;
+       int err;
+
+       err = pcim_enable_device(pdev);
+       if (err < 0)
+               return err;
+
+       info = (struct pwm_lpss_boardinfo *)id->driver_data;
+       lpwm = pwm_lpss_probe(&pdev->dev, &pdev->resource[0], info);
+       if (IS_ERR(lpwm))
+               return PTR_ERR(lpwm);
+
+       pci_set_drvdata(pdev, lpwm);
+       return 0;
+}
+
+static void pwm_lpss_remove_pci(struct pci_dev *pdev)
+{
+       struct pwm_lpss_chip *lpwm = pci_get_drvdata(pdev);
+
+       pwm_lpss_remove(lpwm);
+}
+
+static const struct pci_device_id pwm_lpss_pci_ids[] = {
+       { PCI_VDEVICE(INTEL, 0x0f08), (unsigned long)&pwm_lpss_byt_info},
+       { PCI_VDEVICE(INTEL, 0x0f09), (unsigned long)&pwm_lpss_byt_info},
+       { PCI_VDEVICE(INTEL, 0x2288), (unsigned long)&pwm_lpss_bsw_info},
+       { PCI_VDEVICE(INTEL, 0x2289), (unsigned long)&pwm_lpss_bsw_info},
+       { },
+};
+MODULE_DEVICE_TABLE(pci, pwm_lpss_pci_ids);
+
+static struct pci_driver pwm_lpss_driver_pci = {
+       .name = "pwm-lpss",
+       .id_table = pwm_lpss_pci_ids,
+       .probe = pwm_lpss_probe_pci,
+       .remove = pwm_lpss_remove_pci,
+};
+module_pci_driver(pwm_lpss_driver_pci);
+
+MODULE_DESCRIPTION("PWM PCI driver for Intel LPSS");
+MODULE_LICENSE("GPL v2");