| Message ID | 1386187811-9596-5-git-send-email-w-kwok2@ti.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
Hi, On Wed, Dec 04, 2013 at 03:10:10PM -0500, WingMan Kwok wrote: > diff --git a/Documentation/devicetree/bindings/usb/keystone-usb.txt b/Documentation/devicetree/bindings/usb/keystone-usb.txt > new file mode 100644 > index 0000000..ac2c7cc > --- /dev/null > +++ b/Documentation/devicetree/bindings/usb/keystone-usb.txt > @@ -0,0 +1,41 @@ > +TI Keystone Soc USB Controller > + > +DWC3 GLUE > + > +Required properties: > + - compatible: should be "ti,keystone-dwc3". > + - #address-cells, #size-cells : should be '1' if the device has sub-nodes > + with 'reg' property. > + - reg : Address and length of the register set for the USB subsystem on > + the SOC. > + - interrupts : The irq number of this device that is used to interrupt the > + MPU. > + - ranges: allows valid 1:1 translation between child's address space and > + parent's address space. > + - clocks: Clock IDs array as required by the controller. > + - clock-names: names of clocks correseponding to IDs in the clock property. > + > +Sub-nodes: > +The dwc3 core should be added as subnode to Keystone DWC3 glue. > +- dwc3 : > + The binding details of dwc3 can be found in: > + Documentation/devicetree/bindings/usb/dwc3.txt > + > +Example: > + usb: usb@2680000 { > + compatible = "ti,keystone-dwc3"; > + #address-cells = <1>; > + #size-cells = <1>; > + reg = <0x2680000 0x10000>; > + clocks = <&clkusb>; > + clock-names = "usb"; > + interrupts = <GIC_SPI 393 IRQ_TYPE_EDGE_RISING>; > + ranges; > + > + dwc3@2690000 { > + compatible = "synopsys,dwc3"; > + reg = <0x2690000 0x70000>; > + interrupts = <GIC_SPI 393 IRQ_TYPE_EDGE_RISING>; > + usb-phy = <&usb_phy>, <&usb_phy>; > + }; > + }; > diff --git a/arch/arm/boot/dts/keystone.dtsi b/arch/arm/boot/dts/keystone.dtsi > index d497d9e..0911bb7 100644 > --- a/arch/arm/boot/dts/keystone.dtsi > +++ b/arch/arm/boot/dts/keystone.dtsi > @@ -188,5 +188,23 @@ > #size-cells = <1>; > reg = <0x2620738 32>; > }; > + > + usb: usb@2680000 { likewise, status = disabled ?
diff --git a/Documentation/devicetree/bindings/usb/keystone-usb.txt b/Documentation/devicetree/bindings/usb/keystone-usb.txt new file mode 100644 index 0000000..ac2c7cc --- /dev/null +++ b/Documentation/devicetree/bindings/usb/keystone-usb.txt @@ -0,0 +1,41 @@ +TI Keystone Soc USB Controller + +DWC3 GLUE + +Required properties: + - compatible: should be "ti,keystone-dwc3". + - #address-cells, #size-cells : should be '1' if the device has sub-nodes + with 'reg' property. + - reg : Address and length of the register set for the USB subsystem on + the SOC. + - interrupts : The irq number of this device that is used to interrupt the + MPU. + - ranges: allows valid 1:1 translation between child's address space and + parent's address space. + - clocks: Clock IDs array as required by the controller. + - clock-names: names of clocks correseponding to IDs in the clock property. + +Sub-nodes: +The dwc3 core should be added as subnode to Keystone DWC3 glue. +- dwc3 : + The binding details of dwc3 can be found in: + Documentation/devicetree/bindings/usb/dwc3.txt + +Example: + usb: usb@2680000 { + compatible = "ti,keystone-dwc3"; + #address-cells = <1>; + #size-cells = <1>; + reg = <0x2680000 0x10000>; + clocks = <&clkusb>; + clock-names = "usb"; + interrupts = <GIC_SPI 393 IRQ_TYPE_EDGE_RISING>; + ranges; + + dwc3@2690000 { + compatible = "synopsys,dwc3"; + reg = <0x2690000 0x70000>; + interrupts = <GIC_SPI 393 IRQ_TYPE_EDGE_RISING>; + usb-phy = <&usb_phy>, <&usb_phy>; + }; + }; diff --git a/arch/arm/boot/dts/keystone.dtsi b/arch/arm/boot/dts/keystone.dtsi index d497d9e..0911bb7 100644 --- a/arch/arm/boot/dts/keystone.dtsi +++ b/arch/arm/boot/dts/keystone.dtsi @@ -188,5 +188,23 @@ #size-cells = <1>; reg = <0x2620738 32>; }; + + usb: usb@2680000 { + compatible = "ti,keystone-dwc3"; + #address-cells = <1>; + #size-cells = <1>; + reg = <0x2680000 0x10000>; + clocks = <&clkusb>; + clock-names = "usb"; + interrupts = <GIC_SPI 393 IRQ_TYPE_EDGE_RISING>; + ranges; + + dwc3@2690000 { + compatible = "synopsys,dwc3"; + reg = <0x2690000 0x70000>; + interrupts = <GIC_SPI 393 IRQ_TYPE_EDGE_RISING>; + usb-phy = <&usb_phy>, <&usb_phy>; + }; + }; }; };
Added device tree support for TI's Keystone USB driver and updated the Documentation with device tree binding information. Cc: Santosh Shilimkar <santosh.shilimkar@ti.com> Signed-off-by: WingMan Kwok <w-kwok2@ti.com> --- .../devicetree/bindings/usb/keystone-usb.txt | 41 ++++++++++++++++++++ arch/arm/boot/dts/keystone.dtsi | 18 +++++++++ 2 files changed, 59 insertions(+) create mode 100644 Documentation/devicetree/bindings/usb/keystone-usb.txt