diff options
Diffstat (limited to 'drivers/mfd/intel-lpss.h')
| -rw-r--r-- | drivers/mfd/intel-lpss.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/drivers/mfd/intel-lpss.h b/drivers/mfd/intel-lpss.h new file mode 100644 index 000000000..6f8f668f4 --- /dev/null +++ b/drivers/mfd/intel-lpss.h @@ -0,0 +1,47 @@ +/* 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); + +extern const struct dev_pm_ops intel_lpss_pm_ops; + +#endif /* __MFD_INTEL_LPSS_H */ |