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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Intel LPSS core support.
*
* Copyright (C) 2015, Intel Corporation
*
* Authors: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
* Mika Westerberg <mika.westerberg@linux.intel.com>
*/
#ifndef __MFD_INTEL_LPSS_H
#define __MFD_INTEL_LPSS_H
#include <linux/bits.h>
#include <linux/pm.h>
/*
* Some DSDTs have an unused GEXP ACPI device conflicting with I2C4 resources.
* Set to ignore resource conflicts with ACPI declared SystemMemory regions.
*/
#define QUIRK_IGNORE_RESOURCE_CONFLICTS BIT(0)
/*
* Some devices have misconfigured clock divider due to a firmware bug.
* Set this to force the clock divider to 1:1 ratio.
*/
#define QUIRK_CLOCK_DIVIDER_UNITY BIT(1)
struct device;
struct resource;
struct software_node;
struct intel_lpss_platform_info {
struct resource *mem;
int irq;
unsigned int quirks;
unsigned long clk_rate;
const char *clk_con_id;
const struct software_node *swnode;
};
int intel_lpss_probe(struct device *dev,
const struct intel_lpss_platform_info *info);
void intel_lpss_remove(struct device *dev);
#ifdef CONFIG_PM
int intel_lpss_prepare(struct device *dev);
int intel_lpss_suspend(struct device *dev);
int intel_lpss_resume(struct device *dev);
#ifdef CONFIG_PM_SLEEP
#define INTEL_LPSS_SLEEP_PM_OPS \
.prepare = intel_lpss_prepare, \
SET_LATE_SYSTEM_SLEEP_PM_OPS(intel_lpss_suspend, intel_lpss_resume)
#else
#define INTEL_LPSS_SLEEP_PM_OPS
#endif
#define INTEL_LPSS_RUNTIME_PM_OPS \
.runtime_suspend = intel_lpss_suspend, \
.runtime_resume = intel_lpss_resume,
#else /* !CONFIG_PM */
#define INTEL_LPSS_SLEEP_PM_OPS
#define INTEL_LPSS_RUNTIME_PM_OPS
#endif /* CONFIG_PM */
#define INTEL_LPSS_PM_OPS(name) \
const struct dev_pm_ops name = { \
INTEL_LPSS_SLEEP_PM_OPS \
INTEL_LPSS_RUNTIME_PM_OPS \
}
#endif /* __MFD_INTEL_LPSS_H */
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