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-rw-r--r--Documentation/ABI/testing/configfs-usb-gadget-mass-storage31
-rw-r--r--Documentation/devicetree/bindings/usb/usb-nop-xceiv.txt7
2 files changed, 34 insertions, 4 deletions
diff --git a/Documentation/ABI/testing/configfs-usb-gadget-mass-storage b/Documentation/ABI/testing/configfs-usb-gadget-mass-storage
new file mode 100644
index 0000000..ad72a37
--- /dev/null
+++ b/Documentation/ABI/testing/configfs-usb-gadget-mass-storage
@@ -0,0 +1,31 @@
+What: /config/usb-gadget/gadget/functions/mass_storage.name
+Date: Oct 2013
+KenelVersion: 3.13
+Description:
+ The attributes:
+
+ stall - Set to permit function to halt bulk endpoints.
+ Disabled on some USB devices known not to work
+ correctly. You should set it to true.
+ num_buffers - Number of pipeline buffers. Valid numbers
+ are 2..4. Available only if
+ CONFIG_USB_GADGET_DEBUG_FILES is set.
+
+What: /config/usb-gadget/gadget/functions/mass_storage.name/lun.name
+Date: Oct 2013
+KenelVersion: 3.13
+Description:
+ The attributes:
+
+ file - The path to the backing file for the LUN.
+ Required if LUN is not marked as removable.
+ ro - Flag specifying access to the LUN shall be
+ read-only. This is implied if CD-ROM emulation
+ is enabled as well as when it was impossible
+ to open "filename" in R/W mode.
+ removable - Flag specifying that LUN shall be indicated as
+ being removable.
+ cdrom - Flag specifying that LUN shall be reported as
+ being a CD-ROM.
+ nofua - Flag specifying that FUA flag
+ in SCSI WRITE(10,12)
diff --git a/Documentation/devicetree/bindings/usb/usb-nop-xceiv.txt b/Documentation/devicetree/bindings/usb/usb-nop-xceiv.txt
index d7e2726..1bd37fa 100644
--- a/Documentation/devicetree/bindings/usb/usb-nop-xceiv.txt
+++ b/Documentation/devicetree/bindings/usb/usb-nop-xceiv.txt
@@ -15,7 +15,7 @@ Optional properties:
- vcc-supply: phandle to the regulator that provides RESET to the PHY.
-- reset-supply: phandle to the regulator that provides power to the PHY.
+- reset-gpios: Should specify the GPIO for reset.
Example:
@@ -25,10 +25,9 @@ Example:
clocks = <&osc 0>;
clock-names = "main_clk";
vcc-supply = <&hsusb1_vcc_regulator>;
- reset-supply = <&hsusb1_reset_regulator>;
+ reset-gpios = <&gpio1 7 GPIO_ACTIVE_LOW>;
};
hsusb1_phy is a NOP USB PHY device that gets its clock from an oscillator
and expects that clock to be configured to 19.2MHz by the NOP PHY driver.
-hsusb1_vcc_regulator provides power to the PHY and hsusb1_reset_regulator
-controls RESET.
+hsusb1_vcc_regulator provides power to the PHY and GPIO 7 controls RESET.