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DeviceTree fixes for 4.15:

Browse source 
- Remove mc13892 as a trivial device
 
 - Improve of_find_node_by_name() documentation
 
 - Fix unit test dtc warnings
 
 - Clean-ups of USB binding documentation
 
 - Fix potential NULL deref in of_pci_map_rid
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Merge tag 'devicetree-fixes-for-4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull DeviceTree fixes from Rob Herring:

 - Remove mc13892 as a trivial device

 - Improve of_find_node_by_name() documentation

 - Fix unit test dtc warnings

 - Clean-ups of USB binding documentation

 - Fix potential NULL deref in of_pci_map_rid

* tag 'devicetree-fixes-for-4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
  dt-bindings: trivial-devices: Remove fsl,mc13892
  of: Document exactly what of_find_node_by_name() puts
  of: unittest: disable interrupts_property warning
  of: unittest: let dtc generate __local_fixups__
  dt-bindings: usb: document hub and host-controller properties
  dt-bindings: usb: clean up compatible property
  dt-bindings: usb: fix reg-property port-number range
  dt-bindings: usb: fix example hub node name
  of/pci: Fix theoretical NULL dereference
This commit is contained in:
Linus Torvalds 2017-11-20 21:38:41 -10:00
commit c633e898bd
6 changed files with 29 additions and 79 deletions
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1
Documentation/devicetree/bindings/trivial-devices.txt
View file

@ -55,7 +55,6 @@ epson,rx8010 I2C-BUS INTERFACE REAL TIME CLOCK MODULE
epson,rx8581 I2C-BUS INTERFACE REAL TIME CLOCK MODULE
emmicro,em3027 EM Microelectronic EM3027 Real-time Clock
fsl,mag3110 MAG3110: Xtrinsic High Accuracy, 3D Magnetometer
fsl,mc13892 MC13892: Power Management Integrated Circuit (PMIC) for i.MX35/51
fsl,mma7660 MMA7660FC: 3-Axis Orientation/Motion Detection Sensor
fsl,mma8450 MMA8450Q: Xtrinsic Low-power, 3-axis Xtrinsic Accelerometer
fsl,mpl3115 MPL3115: Absolute Digital Pressure Sensor

33
Documentation/devicetree/bindings/usb/usb-device.txt
View file

@ -4,24 +4,35 @@ Usually, we only use device tree for hard wired USB device.
The reference binding doc is from:
http://www.devicetree.org/open-firmware/bindings/usb/usb-1_0.ps
Required properties:
- compatible: usbVID,PID. The textual representation of VID, PID shall
be in lower case hexadecimal with leading zeroes suppressed. The
other compatible strings from the above standard binding could also
be used, but a device adhering to this binding may leave out all except
for usbVID,PID.
- reg: the port number which this device is connecting to, the range
is 1-31.
- compatible: "usbVID,PID", where VID is the vendor id and PID the product id.
The textual representation of VID and PID shall be in lower case hexadecimal
with leading zeroes suppressed. The other compatible strings from the above
standard binding could also be used, but a device adhering to this binding
may leave out all except for "usbVID,PID".
- reg: the number of the USB hub port or the USB host-controller port to which
this device is attached. The range is 1-255.
Required properties for hub nodes with device nodes:
- #address-cells: shall be 1
- #size-cells: shall be 0
Required properties for host-controller nodes with device nodes:
- #address-cells: shall be 1
- #size-cells: shall be 0
Example:
&usb1 {
&usb1 { /* host controller */
#address-cells = <1>;
#size-cells = <0>;
hub: genesys@1 {
hub@1 { /* hub connected to port 1 */
compatible = "usb5e3,608";
reg = <1>;
};
}
};