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[karo-tx-linux.git] / Documentation / devicetree / bindings / usb / ohci-st.txt
1 ST USB OHCI controller
2
3 Required properties:
4
5  - compatible           : must be "st,st-ohci-300x"
6  - reg                  : physical base addresses of the controller and length of memory mapped
7                           region
8  - interrupts           : one OHCI controller interrupt should be described here
9  - clocks               : phandle list of usb clocks
10  - clock-names          : should be "ic" for interconnect clock and "clk48"
11 See: Documentation/devicetree/bindings/clock/clock-bindings.txt
12
13  - phys                 : phandle for the PHY device
14  - phy-names            : should be "usb"
15
16  - resets               : phandle to the powerdown and reset controller for the USB IP
17  - reset-names          : should be "power" and "softreset".
18 See: Documentation/devicetree/bindings/reset/st,sti-powerdown.txt
19 See: Documentation/devicetree/bindings/reset/reset.txt
20
21 Example:
22
23         ohci0: usb@0xfe1ffc00 {
24                 compatible = "st,st-ohci-300x";
25                 reg = <0xfe1ffc00 0x100>;
26                 interrupts = <GIC_SPI 149 IRQ_TYPE_NONE>;
27                 clocks = <&clk_s_a1_ls 0>,
28                          <&clockgen_b0 0>;
29                 clock-names = "ic", "clk48";
30                 phys = <&usb2_phy>;
31                 phy-names = "usb";
32                 status = "okay";
33
34                 resets = <&powerdown STIH416_USB0_POWERDOWN>,
35                          <&softreset STIH416_USB0_SOFTRESET>;
36                 reset-names = "power", "softreset";
37         };