diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/acpi/acpi_bus.h | 3 | ||||
| -rw-r--r-- | include/linux/acpi.h | 30 |
2 files changed, 33 insertions, 0 deletions
diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h index a361f43b1974..7d1ce40e201e 100644 --- a/include/acpi/acpi_bus.h +++ b/include/acpi/acpi_bus.h @@ -345,6 +345,8 @@ struct acpi_device_data { const union acpi_object *of_compatible; }; +struct acpi_gpio_mapping; + /* Device */ struct acpi_device { int device_type; @@ -366,6 +368,7 @@ struct acpi_device { struct acpi_scan_handler *handler; struct acpi_hotplug_context *hp; struct acpi_driver *driver; + const struct acpi_gpio_mapping *driver_gpios; void *driver_data; struct device dev; unsigned int physical_node_count; diff --git a/include/linux/acpi.h b/include/linux/acpi.h index 5b8802216a93..0902426c4521 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -673,6 +673,36 @@ do { \ #endif #endif +struct acpi_gpio_params { + unsigned int crs_entry_index; + unsigned int line_index; + bool active_low; +}; + +struct acpi_gpio_mapping { + const char *name; + const struct acpi_gpio_params *data; + unsigned int size; +}; + +#if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB) +int acpi_dev_add_driver_gpios(struct acpi_device *adev, + const struct acpi_gpio_mapping *gpios); + +static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev) +{ + if (adev) + adev->driver_gpios = NULL; +} +#else +static inline int acpi_dev_add_driver_gpios(struct acpi_device *adev, + const struct acpi_gpio_mapping *gpios) +{ + return -ENXIO; +} +static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev) {} +#endif + /* Device properties */ #define MAX_ACPI_REFERENCE_ARGS 8 |