| Message ID | 20201216093012.24406-1-chunfeng.yun@mediatek.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [v4,01/11] dt-bindings: usb: convert usb-device.txt to YAML schema | expand |
On Wed, Dec 16, 2020 at 05:30:02PM +0800, Chunfeng Yun wrote: > Convert usb-device.txt to YAML schema usb-device.yaml > > Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com> > --- > v4: no changes, update dependent series: > https://patchwork.kernel.org/project/linux-usb/list/?series=399561 > [v6,00/19] dt-bindings: usb: Add generic USB HCD, xHCI, DWC USB3 DT schema > > v3: > 1. remove $nodenmae and items key word for compatilbe; > 2. add additionalProperties; > > The followings are suggested by Rob: > 3. merge the following patch > [v2,1/4] dt-bindings: usb: convert usb-device.txt to YAML schema > [v2,2/4] dt-bindings: usb: add properties for hard wired devices > 4. define the unit-address for hard-wired device in usb-hcd.yaml, > also define its 'reg' and 'compatible'; > 5. This series is base on Serge's series: > https://patchwork.kernel.org/project/linux-usb/cover/20201111090853.14112-1-Sergey.Semin@baikalelectronics.ru/ > [v4,00/18] dt-bindings: usb: Add generic USB HCD, xHCI, DWC USB3 DT schema > > v2 changes suggested by Rob: > 1. modify pattern to support any USB class > 2. convert usb-device.txt into usb-device.yaml > --- > .../devicetree/bindings/usb/usb-device.txt | 102 -------------- > .../devicetree/bindings/usb/usb-device.yaml | 125 ++++++++++++++++++ > .../devicetree/bindings/usb/usb-hcd.yaml | 33 +++++ > 3 files changed, 158 insertions(+), 102 deletions(-) > delete mode 100644 Documentation/devicetree/bindings/usb/usb-device.txt > create mode 100644 Documentation/devicetree/bindings/usb/usb-device.yaml > > diff --git a/Documentation/devicetree/bindings/usb/usb-device.txt b/Documentation/devicetree/bindings/usb/usb-device.txt > deleted file mode 100644 > index 036be172b1ae..000000000000 > --- a/Documentation/devicetree/bindings/usb/usb-device.txt > +++ /dev/null > @@ -1,102 +0,0 @@ > -Generic USB Device Properties > - > -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 > - > -Four types of device-tree nodes are defined: "host-controller nodes" > -representing USB host controllers, "device nodes" representing USB devices, > -"interface nodes" representing USB interfaces and "combined nodes" > -representing simple USB devices. > - > -A combined node shall be used instead of a device node and an interface node > -for devices of class 0 or 9 (hub) with a single configuration and a single > -interface. > - > -A "hub node" is a combined node or an interface node that represents a USB > -hub. > - > - > -Required properties for device nodes: > -- 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 device nodes with interface nodes: > -- #address-cells: shall be 2 > -- #size-cells: shall be 0 > - > - > -Required properties for interface nodes: > -- compatible: "usbifVID,PID.configCN.IN", where VID is the vendor id, PID is > - the product id, CN is the configuration value and IN is the interface > - number. The textual representation of VID, PID, CN and IN 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 > - "usbifVID,PID.configCN.IN". > -- reg: the interface number and configuration value > - > -The configuration component is not included in the textual representation of > -an interface-node unit address for configuration 1. > - > - > -Required properties for combined nodes: > -- 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 { /* host controller */ > - #address-cells = <1>; > - #size-cells = <0>; > - > - hub@1 { /* hub connected to port 1 */ > - compatible = "usb5e3,608"; > - reg = <1>; > - }; > - > - device@2 { /* device connected to port 2 */ > - compatible = "usb123,4567"; > - reg = <2>; > - }; > - > - device@3 { /* device connected to port 3 */ > - compatible = "usb123,abcd"; > - reg = <3>; > - > - #address-cells = <2>; > - #size-cells = <0>; > - > - interface@0 { /* interface 0 of configuration 1 */ > - compatible = "usbif123,abcd.config1.0"; > - reg = <0 1>; > - }; > - > - interface@0,2 { /* interface 0 of configuration 2 */ > - compatible = "usbif123,abcd.config2.0"; > - reg = <0 2>; > - }; > - }; > -}; > diff --git a/Documentation/devicetree/bindings/usb/usb-device.yaml b/Documentation/devicetree/bindings/usb/usb-device.yaml > new file mode 100644 > index 000000000000..f31d8a85d3e6 > --- /dev/null > +++ b/Documentation/devicetree/bindings/usb/usb-device.yaml > @@ -0,0 +1,125 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/usb/usb-device.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: The device tree bindings for the Generic USB Device > + > +maintainers: > + - Greg Kroah-Hartman <gregkh@linuxfoundation.org> > + > +description: | > + Usually, we only use device tree for hard wired USB device. > + The reference binding doc is from: > + http://www.devicetree.org/open-firmware/bindings/usb/usb-1_0.ps > + > + Four types of device-tree nodes are defined: "host-controller nodes" > + representing USB host controllers, "device nodes" representing USB devices, > + "interface nodes" representing USB interfaces and "combined nodes" > + representing simple USB devices. > + > + A combined node shall be used instead of a device node and an interface node > + for devices of class 0 or 9 (hub) with a single configuration and a single > + interface. > + > + A "hub node" is a combined node or an interface node that represents a USB > + hub. > + > +properties: > + compatible: > + pattern: "^usb[0-9a-f]+,[0-9a-f]+$" You can refine the length allowed a bit: [0-9a-f]{1,4} Same applies elsewhere. > + description: Device nodes or combined nodes. > + "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: > + description: the number of the USB hub port or the USB host-controller > + port to which this device is attached. The range is 1-255. > + maxItems: 1 > + > + "#address-cells": > + description: should be 1 for hub nodes with device nodes, > + should be 2 for device nodes with interface nodes. > + enum: [1, 2] > + > + "#size-cells": > + const: 0 > + > +patternProperties: > + "^interface@[0-9]+(,[0-9]+)$": > + type: object > + description: USB interface nodes. > + The configuration component is not included in the textual > + representation of an interface-node unit address for configuration 1. > + > + properties: > + compatible: > + pattern: "^usbif[0-9a-f]+,[0-9a-f]+.config[0-9a-f]+.[0-9a-f]+$" > + description: Interface nodes. > + "usbifVID,PID.configCN.IN", where VID is the vendor id, PID is > + the product id, CN is the configuration value and IN is the interface > + number. The textual representation of VID, PID, CN and IN 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 "usbifVID,PID.configCN.IN". > + > + reg: > + description: should be 2 cells long, the first cell represents > + the interface number and the second cell represents the > + configuration value. > + maxItems: 1 > + > +required: > + - compatile > + - reg > + > +additionalProperties: true > + > +examples: > + #hub connected to port 1 > + #device connected to port 2 > + #device connected to port 3 > + # interface 0 of configuration 1 > + # interface 0 of configuration 2 > + - | > + usb@11270000 { > + compatible = "generic-xhci"; > + reg = <0x11270000 0x1000>; > + interrupts = <0x0 0x4e 0x0>; > + #address-cells = <1>; > + #size-cells = <0>; > + > + hub@1 { > + compatible = "usb5e3,608"; > + reg = <1>; > + }; > + > + device@2 { > + compatible = "usb123,4567"; > + reg = <2>; > + }; > + > + device@3 { > + compatible = "usb123,abcd"; > + reg = <3>; > + > + #address-cells = <2>; > + #size-cells = <0>; > + > + interface@0 { > + compatible = "usbif123,abcd.config1.0"; > + reg = <0 1>; > + }; > + > + interface@0,2 { > + compatible = "usbif123,abcd.config2.0"; > + reg = <0 2>; > + }; > + }; > + }; > diff --git a/Documentation/devicetree/bindings/usb/usb-hcd.yaml b/Documentation/devicetree/bindings/usb/usb-hcd.yaml > index 9881ac10380d..5d0c6b5500d6 100755 > --- a/Documentation/devicetree/bindings/usb/usb-hcd.yaml > +++ b/Documentation/devicetree/bindings/usb/usb-hcd.yaml > @@ -23,6 +23,32 @@ properties: > targeted hosts (non-PC hosts). > type: boolean > > + "#address-cells": > + const: 1 > + > + "#size-cells": > + const: 0 > + > +patternProperties: > + "@[0-9a-f]+$": > + type: object > + description: The hard wired USB devices > + > + properties: > + compatible: > + pattern: "^usb[0-9a-f]+,[0-9a-f]+$" > + $ref: /usb/usb-device.yaml This is wrong. It should be up a level. And no need to define 'compatible' or 'reg' here because those are defined within usb-device.yaml. > + description: the string is 'usbVID,PID', where VID is the vendor id > + and PID is the product id > + > + reg: > + $ref: /usb/usb-device.yaml > + maxItems: 1 > + > + required: > + - compatible > + - reg > + > additionalProperties: true > > examples: > @@ -30,4 +56,11 @@ examples: > usb { > phys = <&usb2_phy1>, <&usb3_phy1>; > phy-names = "usb"; > + #address-cells = <1>; > + #size-cells = <0>; > + > + hub@1 { > + compatible = "usb5e3,610"; > + reg = <1>; > + }; > }; > -- > 2.18.0 >
On Mon, 2020-12-21 at 12:09 -0700, Rob Herring wrote: > On Wed, Dec 16, 2020 at 05:30:02PM +0800, Chunfeng Yun wrote: > > Convert usb-device.txt to YAML schema usb-device.yaml > > > > Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com> > > --- > > v4: no changes, update dependent series: > > https://patchwork.kernel.org/project/linux-usb/list/?series=399561 > > [v6,00/19] dt-bindings: usb: Add generic USB HCD, xHCI, DWC USB3 DT schema [...] > > diff --git a/Documentation/devicetree/bindings/usb/usb-device.yaml b/Documentation/devicetree/bindings/usb/usb-device.yaml > > new file mode 100644 > > index 000000000000..f31d8a85d3e6 > > --- /dev/null > > +++ b/Documentation/devicetree/bindings/usb/usb-device.yaml > > @@ -0,0 +1,125 @@ > > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > > +%YAML 1.2 > > +--- > > +$id: http://devicetree.org/schemas/usb/usb-device.yaml# > > +$schema: http://devicetree.org/meta-schemas/core.yaml# > > + > > +title: The device tree bindings for the Generic USB Device > > + > > +maintainers: > > + - Greg Kroah-Hartman <gregkh@linuxfoundation.org> > > + > > +description: | > > + Usually, we only use device tree for hard wired USB device. > > + The reference binding doc is from: > > + http://www.devicetree.org/open-firmware/bindings/usb/usb-1_0.ps > > + > > + Four types of device-tree nodes are defined: "host-controller nodes" > > + representing USB host controllers, "device nodes" representing USB devices, > > + "interface nodes" representing USB interfaces and "combined nodes" > > + representing simple USB devices. > > + > > + A combined node shall be used instead of a device node and an interface node > > + for devices of class 0 or 9 (hub) with a single configuration and a single > > + interface. > > + > > + A "hub node" is a combined node or an interface node that represents a USB > > + hub. > > + > > +properties: > > + compatible: > > + pattern: "^usb[0-9a-f]+,[0-9a-f]+$" > > You can refine the length allowed a bit: [0-9a-f]{1,4} > > Same applies elsewhere. Ok > > > + description: Device nodes or combined nodes. > > + "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". > > + [...] > > diff --git a/Documentation/devicetree/bindings/usb/usb-hcd.yaml b/Documentation/devicetree/bindings/usb/usb-hcd.yaml > > index 9881ac10380d..5d0c6b5500d6 100755 > > --- a/Documentation/devicetree/bindings/usb/usb-hcd.yaml > > +++ b/Documentation/devicetree/bindings/usb/usb-hcd.yaml > > @@ -23,6 +23,32 @@ properties: > > targeted hosts (non-PC hosts). > > type: boolean > > > > + "#address-cells": > > + const: 1 > > + > > + "#size-cells": > > + const: 0 > > + > > +patternProperties: > > + "@[0-9a-f]+$": > > + type: object > > + description: The hard wired USB devices > > + > > + properties: > > + compatible: > > + pattern: "^usb[0-9a-f]+,[0-9a-f]+$" > > + $ref: /usb/usb-device.yaml > > This is wrong. It should be up a level. Ok > And no need to define > 'compatible' or 'reg' here because those are defined within > usb-device.yaml. will drop it > > > + description: the string is 'usbVID,PID', where VID is the vendor id > > + and PID is the product id > > + > > + reg: > > + $ref: /usb/usb-device.yaml > > + maxItems: 1 > > + > > + required: > > + - compatible > > + - reg > > + > > additionalProperties: true > > > > examples: > > @@ -30,4 +56,11 @@ examples: > > usb { > > phys = <&usb2_phy1>, <&usb3_phy1>; > > phy-names = "usb"; > > + #address-cells = <1>; > > + #size-cells = <0>; > > + > > + hub@1 { > > + compatible = "usb5e3,610"; > > + reg = <1>; > > + }; > > }; > > -- > > 2.18.0 > >
diff --git a/Documentation/devicetree/bindings/usb/usb-device.txt b/Documentation/devicetree/bindings/usb/usb-device.txt deleted file mode 100644 index 036be172b1ae..000000000000 --- a/Documentation/devicetree/bindings/usb/usb-device.txt +++ /dev/null @@ -1,102 +0,0 @@ -Generic USB Device Properties - -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 - -Four types of device-tree nodes are defined: "host-controller nodes" -representing USB host controllers, "device nodes" representing USB devices, -"interface nodes" representing USB interfaces and "combined nodes" -representing simple USB devices. - -A combined node shall be used instead of a device node and an interface node -for devices of class 0 or 9 (hub) with a single configuration and a single -interface. - -A "hub node" is a combined node or an interface node that represents a USB -hub. - - -Required properties for device nodes: -- 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 device nodes with interface nodes: -- #address-cells: shall be 2 -- #size-cells: shall be 0 - - -Required properties for interface nodes: -- compatible: "usbifVID,PID.configCN.IN", where VID is the vendor id, PID is - the product id, CN is the configuration value and IN is the interface - number. The textual representation of VID, PID, CN and IN 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 - "usbifVID,PID.configCN.IN". -- reg: the interface number and configuration value - -The configuration component is not included in the textual representation of -an interface-node unit address for configuration 1. - - -Required properties for combined nodes: -- 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 { /* host controller */ - #address-cells = <1>; - #size-cells = <0>; - - hub@1 { /* hub connected to port 1 */ - compatible = "usb5e3,608"; - reg = <1>; - }; - - device@2 { /* device connected to port 2 */ - compatible = "usb123,4567"; - reg = <2>; - }; - - device@3 { /* device connected to port 3 */ - compatible = "usb123,abcd"; - reg = <3>; - - #address-cells = <2>; - #size-cells = <0>; - - interface@0 { /* interface 0 of configuration 1 */ - compatible = "usbif123,abcd.config1.0"; - reg = <0 1>; - }; - - interface@0,2 { /* interface 0 of configuration 2 */ - compatible = "usbif123,abcd.config2.0"; - reg = <0 2>; - }; - }; -}; diff --git a/Documentation/devicetree/bindings/usb/usb-device.yaml b/Documentation/devicetree/bindings/usb/usb-device.yaml new file mode 100644 index 000000000000..f31d8a85d3e6 --- /dev/null +++ b/Documentation/devicetree/bindings/usb/usb-device.yaml @@ -0,0 +1,125 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/usb/usb-device.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: The device tree bindings for the Generic USB Device + +maintainers: + - Greg Kroah-Hartman <gregkh@linuxfoundation.org> + +description: | + Usually, we only use device tree for hard wired USB device. + The reference binding doc is from: + http://www.devicetree.org/open-firmware/bindings/usb/usb-1_0.ps + + Four types of device-tree nodes are defined: "host-controller nodes" + representing USB host controllers, "device nodes" representing USB devices, + "interface nodes" representing USB interfaces and "combined nodes" + representing simple USB devices. + + A combined node shall be used instead of a device node and an interface node + for devices of class 0 or 9 (hub) with a single configuration and a single + interface. + + A "hub node" is a combined node or an interface node that represents a USB + hub. + +properties: + compatible: + pattern: "^usb[0-9a-f]+,[0-9a-f]+$" + description: Device nodes or combined nodes. + "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: + description: the number of the USB hub port or the USB host-controller + port to which this device is attached. The range is 1-255. + maxItems: 1 + + "#address-cells": + description: should be 1 for hub nodes with device nodes, + should be 2 for device nodes with interface nodes. + enum: [1, 2] + + "#size-cells": + const: 0 + +patternProperties: + "^interface@[0-9]+(,[0-9]+)$": + type: object + description: USB interface nodes. + The configuration component is not included in the textual + representation of an interface-node unit address for configuration 1. + + properties: + compatible: + pattern: "^usbif[0-9a-f]+,[0-9a-f]+.config[0-9a-f]+.[0-9a-f]+$" + description: Interface nodes. + "usbifVID,PID.configCN.IN", where VID is the vendor id, PID is + the product id, CN is the configuration value and IN is the interface + number. The textual representation of VID, PID, CN and IN 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 "usbifVID,PID.configCN.IN". + + reg: + description: should be 2 cells long, the first cell represents + the interface number and the second cell represents the + configuration value. + maxItems: 1 + +required: + - compatile + - reg + +additionalProperties: true + +examples: + #hub connected to port 1 + #device connected to port 2 + #device connected to port 3 + # interface 0 of configuration 1 + # interface 0 of configuration 2 + - | + usb@11270000 { + compatible = "generic-xhci"; + reg = <0x11270000 0x1000>; + interrupts = <0x0 0x4e 0x0>; + #address-cells = <1>; + #size-cells = <0>; + + hub@1 { + compatible = "usb5e3,608"; + reg = <1>; + }; + + device@2 { + compatible = "usb123,4567"; + reg = <2>; + }; + + device@3 { + compatible = "usb123,abcd"; + reg = <3>; + + #address-cells = <2>; + #size-cells = <0>; + + interface@0 { + compatible = "usbif123,abcd.config1.0"; + reg = <0 1>; + }; + + interface@0,2 { + compatible = "usbif123,abcd.config2.0"; + reg = <0 2>; + }; + }; + }; diff --git a/Documentation/devicetree/bindings/usb/usb-hcd.yaml b/Documentation/devicetree/bindings/usb/usb-hcd.yaml index 9881ac10380d..5d0c6b5500d6 100755 --- a/Documentation/devicetree/bindings/usb/usb-hcd.yaml +++ b/Documentation/devicetree/bindings/usb/usb-hcd.yaml @@ -23,6 +23,32 @@ properties: targeted hosts (non-PC hosts). type: boolean + "#address-cells": + const: 1 + + "#size-cells": + const: 0 + +patternProperties: + "@[0-9a-f]+$": + type: object + description: The hard wired USB devices + + properties: + compatible: + pattern: "^usb[0-9a-f]+,[0-9a-f]+$" + $ref: /usb/usb-device.yaml + description: the string is 'usbVID,PID', where VID is the vendor id + and PID is the product id + + reg: + $ref: /usb/usb-device.yaml + maxItems: 1 + + required: + - compatible + - reg + additionalProperties: true examples: @@ -30,4 +56,11 @@ examples: usb { phys = <&usb2_phy1>, <&usb3_phy1>; phy-names = "usb"; + #address-cells = <1>; + #size-cells = <0>; + + hub@1 { + compatible = "usb5e3,610"; + reg = <1>; + }; };
Convert usb-device.txt to YAML schema usb-device.yaml Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com> --- v4: no changes, update dependent series: https://patchwork.kernel.org/project/linux-usb/list/?series=399561 [v6,00/19] dt-bindings: usb: Add generic USB HCD, xHCI, DWC USB3 DT schema v3: 1. remove $nodenmae and items key word for compatilbe; 2. add additionalProperties; The followings are suggested by Rob: 3. merge the following patch [v2,1/4] dt-bindings: usb: convert usb-device.txt to YAML schema [v2,2/4] dt-bindings: usb: add properties for hard wired devices 4. define the unit-address for hard-wired device in usb-hcd.yaml, also define its 'reg' and 'compatible'; 5. This series is base on Serge's series: https://patchwork.kernel.org/project/linux-usb/cover/20201111090853.14112-1-Sergey.Semin@baikalelectronics.ru/ [v4,00/18] dt-bindings: usb: Add generic USB HCD, xHCI, DWC USB3 DT schema v2 changes suggested by Rob: 1. modify pattern to support any USB class 2. convert usb-device.txt into usb-device.yaml --- .../devicetree/bindings/usb/usb-device.txt | 102 -------------- .../devicetree/bindings/usb/usb-device.yaml | 125 ++++++++++++++++++ .../devicetree/bindings/usb/usb-hcd.yaml | 33 +++++ 3 files changed, 158 insertions(+), 102 deletions(-) delete mode 100644 Documentation/devicetree/bindings/usb/usb-device.txt create mode 100644 Documentation/devicetree/bindings/usb/usb-device.yaml