drivers/mfd/intel-lpss.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * Intel LPSS core support.
   4  *
   5  * Copyright (C) 2015, Intel Corporation
   6  *
   7  * Authors: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
   8  *          Mika Westerberg <mika.westerberg@linux.intel.com>
   9  */
  10
  11 #ifndef __MFD_INTEL_LPSS_H
  12 #define __MFD_INTEL_LPSS_H
  13
  14 #include <linux/pm.h>
  15
  16 struct device;
  17 struct resource;
  18 struct property_entry;
  19
  20 struct intel_lpss_platform_info {
  21         struct resource *mem;
  22         int irq;
  23         unsigned long clk_rate;
  24         const char *clk_con_id;
  25         struct property_entry *properties;
  26 };
  27
  28 int intel_lpss_probe(struct device *dev,
  29                      const struct intel_lpss_platform_info *info);
  30 void intel_lpss_remove(struct device *dev);
  31
  32 #ifdef CONFIG_PM
  33 int intel_lpss_prepare(struct device *dev);
  34 int intel_lpss_suspend(struct device *dev);
  35 int intel_lpss_resume(struct device *dev);
  36
  37 #ifdef CONFIG_PM_SLEEP
  38 #define INTEL_LPSS_SLEEP_PM_OPS                 \
  39         .prepare = intel_lpss_prepare,          \
  40         SET_LATE_SYSTEM_SLEEP_PM_OPS(intel_lpss_suspend, intel_lpss_resume)
  41 #else
  42 #define INTEL_LPSS_SLEEP_PM_OPS
  43 #endif
  44
  45 #define INTEL_LPSS_RUNTIME_PM_OPS               \
  46         .runtime_suspend = intel_lpss_suspend,  \
  47         .runtime_resume = intel_lpss_resume,
  48
  49 #else /* !CONFIG_PM */
  50 #define INTEL_LPSS_SLEEP_PM_OPS
  51 #define INTEL_LPSS_RUNTIME_PM_OPS
  52 #endif /* CONFIG_PM */
  53
  54 #define INTEL_LPSS_PM_OPS(name)                 \
  55 const struct dev_pm_ops name = {                \
  56         INTEL_LPSS_SLEEP_PM_OPS                 \
  57         INTEL_LPSS_RUNTIME_PM_OPS               \
  58 }
  59
  60 #endif /* __MFD_INTEL_LPSS_H */