diff --git a/include/uapi/linux/gpio.h b/include/uapi/linux/gpio.h
index 285cc10355b2..82e8744b8c3b 100644
--- a/include/uapi/linux/gpio.h
+++ b/include/uapi/linux/gpio.h
@@ -16,6 +16,8 @@
 
 /*
  * The maximum size of name and label arrays.
+ *
+ * Must be a multiple of 8 to ensure 32/64-bit alignment of structs.
  */
 #define GPIO_MAX_NAME_SIZE 32
 
@@ -32,6 +34,247 @@ struct gpiochip_info {
 	__u32 lines;
 };
 
+/*
+ * Maximum number of requested lines.
+ *
+ * Must be no greater than 64 as bitmaps are limited to 64-bits, and a
+ * multiple of 2 to ensure 32/64-bit alignment of structs.
+ */
+#define GPIO_V2_LINES_MAX 64
+
+/*
+ * The maximum number of configuration attributes associated with a line
+ * request.
+ */
+#define GPIO_V2_LINE_NUM_ATTRS_MAX 10
+
+/**
+ * enum gpio_v2_line_flag - &struct gpio_v2_line_attribute.flags values
+ */
+enum gpio_v2_line_flag {
+	GPIO_V2_LINE_FLAG_USED			= 1ULL << 0, /* line is not available for request */
+	GPIO_V2_LINE_FLAG_ACTIVE_LOW		= 1ULL << 1,
+	GPIO_V2_LINE_FLAG_INPUT			= 1ULL << 2,
+	GPIO_V2_LINE_FLAG_OUTPUT		= 1ULL << 3,
+	GPIO_V2_LINE_FLAG_EDGE_RISING		= 1ULL << 4,
+	GPIO_V2_LINE_FLAG_EDGE_FALLING		= 1ULL << 5,
+	GPIO_V2_LINE_FLAG_OPEN_DRAIN		= 1ULL << 6,
+	GPIO_V2_LINE_FLAG_OPEN_SOURCE		= 1ULL << 7,
+	GPIO_V2_LINE_FLAG_BIAS_PULL_UP		= 1ULL << 8,
+	GPIO_V2_LINE_FLAG_BIAS_PULL_DOWN	= 1ULL << 9,
+	GPIO_V2_LINE_FLAG_BIAS_DISABLED		= 1ULL << 10,
+};
+
+/**
+ * struct gpio_v2_line_values - Values of GPIO lines
+ * @mask: a bitmap identifying the lines to get or set, with each bit
+ * number corresponding to the index into &struct
+ * gpio_v2_line_request.offsets.
+ * @bits: a bitmap containing the value of the lines, set to 1 for active
+ * and 0 for inactive.  Note that this is the logical value, which will be
+ * the opposite of the physical value if the line is configured as active
+ * low.
+ */
+struct gpio_v2_line_values {
+	__aligned_u64 mask;
+	__aligned_u64 bits;
+};
+
+/**
+ * enum gpio_v2_line_attr_id - &struct gpio_v2_line_attribute.id values
+ */
+enum gpio_v2_line_attr_id {
+	GPIO_V2_LINE_ATTR_ID_FLAGS		= 1,
+	GPIO_V2_LINE_ATTR_ID_OUTPUT_VALUES	= 2,
+	GPIO_V2_LINE_ATTR_ID_DEBOUNCE		= 3,
+};
+
+/**
+ * struct gpio_v2_line_attribute - a configurable attribute of a line
+ * @id: attribute identifier with value from &enum gpio_v2_line_attr_id
+ * @padding: reserved for future use and must be zero filled
+ * @flags: if id is GPIO_V2_LINE_ATTR_ID_FLAGS, the flags for the GPIO
+ * line, with values from enum gpio_v2_line_flag, such as
+ * GPIO_V2_LINE_FLAG_ACTIVE_LOW, GPIO_V2_LINE_FLAG_OUTPUT etc, OR:ed
+ * together.  This overrides the default flags contained in the &struct
+ * gpio_v2_line_config for the associated line.
+ * @values: if id is GPIO_V2_LINE_ATTR_ID_OUTPUT_VALUES, a bitmap
+ * containing the values to which the lines will be set, with each bit
+ * number corresponding to the index into &struct
+ * gpio_v2_line_request.offsets.
+ * @debounce_period: if id is GPIO_V2_LINE_ATTR_ID_DEBOUNCE, the desired
+ * debounce period, in microseconds
+ */
+struct gpio_v2_line_attribute {
+	__u32 id;
+	__u32 padding;
+	union {
+		__aligned_u64 flags;
+		__aligned_u64 values;
+		__u32 debounce_period;
+	};
+};
+
+/**
+ * struct gpio_v2_line_config_attribute - a configuration attribute
+ * associated with one or more of the requested lines.
+ * @mask: a bitmap identifying the lines to which the attribute applies,
+ * with each bit number corresponding to the index into &struct
+ * gpio_v2_line_request.offsets.
+ * @attr: the configurable attribute
+ */
+struct gpio_v2_line_config_attribute {
+	__aligned_u64 mask;
+	struct gpio_v2_line_attribute attr;
+};
+
+/**
+ * struct gpio_v2_line_config - Configuration for GPIO lines
+ * @flags: flags for the GPIO lines, with values from enum
+ * gpio_v2_line_flag, such as GPIO_V2_LINE_FLAG_ACTIVE_LOW,
+ * GPIO_V2_LINE_FLAG_OUTPUT etc, OR:ed together.  This is the default for
+ * all requested lines but may be overridden for particular lines using
+ * attrs.
+ * @num_attrs: the number of attributes in attrs
+ * @padding: reserved for future use and must be zero filled
+ * @attrs: the configuration attributes associated with the requested
+ * lines.  Any attribute should only be associated with a particular line
+ * once.  If an attribute is associated with a line multiple times then the
+ * first occurrence (i.e. lowest index) has precedence.
+ */
+struct gpio_v2_line_config {
+	__aligned_u64 flags;
+	__u32 num_attrs;
+	/*
+	 * Pad to fill implicit padding and provide space for future use.
+	 */
+	__u32 padding[5];
+	struct gpio_v2_line_config_attribute attrs[GPIO_V2_LINE_NUM_ATTRS_MAX];
+};
+
+/**
+ * struct gpio_v2_line_request - Information about a request for GPIO lines
+ * @offsets: an array of desired lines, specified by offset index for the
+ * associated GPIO device
+ * @consumer: a desired consumer label for the selected GPIO lines such as
+ * "my-bitbanged-relay"
+ * @config: requested configuration for the lines.
+ * @num_lines: number of lines requested in this request, i.e. the number
+ * of valid fields in the GPIO_V2_LINES_MAX sized arrays, set to 1 to
+ * request a single line
+ * @event_buffer_size: a suggested minimum number of line events that the
+ * kernel should buffer.  This is only relevant if edge detection is
+ * enabled in the configuration. Note that this is only a suggested value
+ * and the kernel may allocate a larger buffer or cap the size of the
+ * buffer. If this field is zero then the buffer size defaults to a minimum
+ * of num_lines*16.
+ * @padding: reserved for future use and must be zero filled
+ * @fd: if successful this field will contain a valid anonymous file handle
+ * after a GPIO_GET_LINE_IOCTL operation, zero or negative value means
+ * error
+ */
+struct gpio_v2_line_request {
+	__u32 offsets[GPIO_V2_LINES_MAX];
+	char consumer[GPIO_MAX_NAME_SIZE];
+	struct gpio_v2_line_config config;
+	__u32 num_lines;
+	__u32 event_buffer_size;
+	/*
+	 * Pad struct to 64-bit boundary and provide space for future use.
+	 */
+	__u32 padding[5];
+	__s32 fd;
+};
+
+/**
+ * struct gpio_v2_line_info - Information about a certain GPIO line
+ * @name: the name of this GPIO line, such as the output pin of the line on
+ * the chip, a rail or a pin header name on a board, as specified by the
+ * gpio chip, may be empty
+ * @consumer: a functional name for the consumer of this GPIO line as set
+ * by whatever is using it, will be empty if there is no current user but
+ * may also be empty if the consumer doesn't set this up
+ * @flags: flags for the GPIO line, such as GPIO_V2_LINE_FLAG_ACTIVE_LOW,
+ * GPIO_V2_LINE_FLAG_OUTPUT etc, OR:ed together
+ * @offset: the local offset on this GPIO device, fill this in when
+ * requesting the line information from the kernel
+ * @num_attrs: the number of attributes in attrs
+ * @attrs: the configuration attributes associated with the line.
+ * @padding: reserved for future use
+ */
+struct gpio_v2_line_info {
+	char name[GPIO_MAX_NAME_SIZE];
+	char consumer[GPIO_MAX_NAME_SIZE];
+	__u32 offset;
+	__u32 num_attrs;
+	__aligned_u64 flags;
+	struct gpio_v2_line_attribute attrs[GPIO_V2_LINE_NUM_ATTRS_MAX];
+	/*
+	 * Pad struct to 64-bit boundary and provide space for future use.
+	 */
+	__u32 padding[4];
+};
+
+enum gpio_v2_line_changed_type {
+	GPIO_V2_LINE_CHANGED_REQUESTED	= 1,
+	GPIO_V2_LINE_CHANGED_RELEASED	= 2,
+	GPIO_V2_LINE_CHANGED_CONFIG	= 3,
+};
+
+/**
+ * struct gpio_v2_line_info_changed - Information about a change in status
+ * of a GPIO line
+ * @info: updated line information
+ * @timestamp: estimate of time of status change occurrence, in nanoseconds
+ * @event_type: the type of change with a value from enum
+ * gpio_v2_line_changed_type
+ * @padding: reserved for future use
+ */
+struct gpio_v2_line_info_changed {
+	struct gpio_v2_line_info info;
+	__aligned_u64 timestamp;
+	__u32 event_type;
+	/*
+	 * Pad struct to 64-bit boundary and provide space for future use.
+	 */
+	__u32 padding[5];
+};
+
+enum gpio_v2_line_event_id {
+	GPIO_V2_LINE_EVENT_RISING_EDGE	= 1,
+	GPIO_V2_LINE_EVENT_FALLING_EDGE	= 2,
+};
+
+/**
+ * struct gpio_v2_line_event - The actual event being pushed to userspace
+ * @timestamp: best estimate of time of event occurrence, in nanoseconds.
+ * The timestamp is read from CLOCK_MONOTONIC and is intended to allow the
+ * accurate measurement of the time between events.  It does not provide
+ * the wall-clock time.
+ * @id: event identifier with value from enum gpio_v2_line_event_id
+ * @offset: the offset of the line that triggered the event
+ * @seqno: the sequence number for this event in the sequence of events for
+ * all the lines in this line request
+ * @line_seqno: the sequence number for this event in the sequence of
+ * events on this particular line
+ * @padding: reserved for future use
+ */
+struct gpio_v2_line_event {
+	__aligned_u64 timestamp;
+	__u32 id;
+	__u32 offset;
+	__u32 seqno;
+	__u32 line_seqno;
+	/*
+	 * Pad struct to 64-bit boundary and provide space for future use.
+	 */
+	__u32 padding[6];
+};
+
+/*
+ *  ABI v1
+ */
+
 /* Informational flags */
 #define GPIOLINE_FLAG_KERNEL		(1UL << 0) /* Line used by the kernel */
 #define GPIOLINE_FLAG_IS_OUT		(1UL << 1)
@@ -149,8 +392,6 @@ struct gpiohandle_config {
 	__u32 padding[4]; /* padding for future use */
 };
 
-#define GPIOHANDLE_SET_CONFIG_IOCTL _IOWR(0xB4, 0x0a, struct gpiohandle_config)
-
 /**
  * struct gpiohandle_data - Information of values on a GPIO handle
  * @values: when getting the state of lines this contains the current
@@ -161,9 +402,6 @@ struct gpiohandle_data {
 	__u8 values[GPIOHANDLES_MAX];
 };
 
-#define GPIOHANDLE_GET_LINE_VALUES_IOCTL _IOWR(0xB4, 0x08, struct gpiohandle_data)
-#define GPIOHANDLE_SET_LINE_VALUES_IOCTL _IOWR(0xB4, 0x09, struct gpiohandle_data)
-
 /* Eventrequest flags */
 #define GPIOEVENT_REQUEST_RISING_EDGE	(1UL << 0)
 #define GPIOEVENT_REQUEST_FALLING_EDGE	(1UL << 1)
@@ -207,11 +445,31 @@ struct gpioevent_data {
 	__u32 id;
 };
 
+/*
+ * v1 and v2 ioctl()s
+ */
 #define GPIO_GET_CHIPINFO_IOCTL _IOR(0xB4, 0x01, struct gpiochip_info)
+#define GPIO_GET_LINEINFO_UNWATCH_IOCTL _IOWR(0xB4, 0x0C, __u32)
+
+/*
+ * v2 ioctl()s
+ */
+#define GPIO_V2_GET_LINEINFO_IOCTL _IOWR(0xB4, 0x05, struct gpio_v2_line_info)
+#define GPIO_V2_GET_LINEINFO_WATCH_IOCTL _IOWR(0xB4, 0x06, struct gpio_v2_line_info)
+#define GPIO_V2_GET_LINE_IOCTL _IOWR(0xB4, 0x07, struct gpio_v2_line_request)
+#define GPIO_V2_LINE_SET_CONFIG_IOCTL _IOWR(0xB4, 0x0D, struct gpio_v2_line_config)
+#define GPIO_V2_LINE_GET_VALUES_IOCTL _IOWR(0xB4, 0x0E, struct gpio_v2_line_values)
+#define GPIO_V2_LINE_SET_VALUES_IOCTL _IOWR(0xB4, 0x0F, struct gpio_v2_line_values)
+
+/*
+ * v1 ioctl()s
+ */
 #define GPIO_GET_LINEINFO_IOCTL _IOWR(0xB4, 0x02, struct gpioline_info)
-#define GPIO_GET_LINEINFO_WATCH_IOCTL _IOWR(0xB4, 0x0b, struct gpioline_info)
-#define GPIO_GET_LINEINFO_UNWATCH_IOCTL _IOWR(0xB4, 0x0c, __u32)
 #define GPIO_GET_LINEHANDLE_IOCTL _IOWR(0xB4, 0x03, struct gpiohandle_request)
 #define GPIO_GET_LINEEVENT_IOCTL _IOWR(0xB4, 0x04, struct gpioevent_request)
+#define GPIOHANDLE_GET_LINE_VALUES_IOCTL _IOWR(0xB4, 0x08, struct gpiohandle_data)
+#define GPIOHANDLE_SET_LINE_VALUES_IOCTL _IOWR(0xB4, 0x09, struct gpiohandle_data)
+#define GPIOHANDLE_SET_CONFIG_IOCTL _IOWR(0xB4, 0x0A, struct gpiohandle_config)
+#define GPIO_GET_LINEINFO_WATCH_IOCTL _IOWR(0xB4, 0x0B, struct gpioline_info)
 
 #endif /* _UAPI_GPIO_H_ */
