1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index 87715f20b69a..03b4c4f225d0 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -1014,6 +1014,13 @@ struct acpi_gpio_mapping {
 
 /* Ignore IoRestriction field */
 #define ACPI_GPIO_QUIRK_NO_IO_RESTRICTION	BIT(0)
+/*
+ * When ACPI GPIO mapping table is in use the index parameter inside it
+ * refers to the GPIO resource in _CRS method. That index has no
+ * distinction of actual type of the resource. When consumer wants to
+ * get GpioIo type explicitly, this quirk may be used.
+ */
+#define ACPI_GPIO_QUIRK_ONLY_GPIOIO		BIT(1)
 
 	unsigned int quirks;
 };