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| author | WingMan Kwok <w-kwok2@ti.com> | 2013-12-09 17:25:12 -0500 |
|---|---|---|
| committer | Santosh Shilimkar <santosh.shilimkar@ti.com> | 2013-12-12 20:29:17 -0500 |
| commit | 732079567da4942b7b4929deff8f236926d0b3eb (patch) | |
| tree | 023c4d6e45bee4c191a3f995c655e4678fef42cd | |
| parent | 08c36762db9a0223a5477441bd93650b474aa9c8 (diff) | |
| download | linux-stable-732079567da4942b7b4929deff8f236926d0b3eb.tar.gz linux-stable-732079567da4942b7b4929deff8f236926d0b3eb.tar.bz2 linux-stable-732079567da4942b7b4929deff8f236926d0b3eb.zip | |
ARM: dts: keystone: Add usb devicetree bindings
Added device tree support for TI's Keystone USB driver and updated the
Documentation with device tree binding information.
Signed-off-by: WingMan Kwok <w-kwok2@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
| -rw-r--r-- | Documentation/devicetree/bindings/usb/keystone-usb.txt | 42 | ||||
| -rw-r--r-- | arch/arm/boot/dts/k2hk-evm.dts | 8 | ||||
| -rw-r--r-- | arch/arm/boot/dts/keystone.dtsi | 19 |
3 files changed, 69 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/usb/keystone-usb.txt b/Documentation/devicetree/bindings/usb/keystone-usb.txt new file mode 100644 index 000000000000..60527d335b58 --- /dev/null +++ b/Documentation/devicetree/bindings/usb/keystone-usb.txt @@ -0,0 +1,42 @@ +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; + status = "disabled"; + + 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/k2hk-evm.dts b/arch/arm/boot/dts/k2hk-evm.dts index 15b3a95f5e3a..eaefdfef65c3 100644 --- a/arch/arm/boot/dts/k2hk-evm.dts +++ b/arch/arm/boot/dts/k2hk-evm.dts @@ -53,3 +53,11 @@ }; }; }; + +&usb_phy { + status = "okay"; +}; + +&usb { + status = "okay"; +}; diff --git a/arch/arm/boot/dts/keystone.dtsi b/arch/arm/boot/dts/keystone.dtsi index 276bea999ef4..b4202907a27b 100644 --- a/arch/arm/boot/dts/keystone.dtsi +++ b/arch/arm/boot/dts/keystone.dtsi @@ -189,5 +189,24 @@ reg = <0x2620738 32>; status = "disabled"; }; + + 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; + status = "disabled"; + + dwc3@2690000 { + compatible = "synopsys,dwc3"; + reg = <0x2690000 0x70000>; + interrupts = <GIC_SPI 393 IRQ_TYPE_EDGE_RISING>; + usb-phy = <&usb_phy>, <&usb_phy>; + }; + }; }; }; |