1 ST USB OHCI controller 1 ST USB OHCI controller
2 2
3 Required properties: 3 Required properties:
4 4
5 - compatible : must be "st,st-ohci- 5 - compatible : must be "st,st-ohci-300x"
6 - reg : physical base addres 6 - reg : physical base addresses of the controller and length of memory mapped
7 region 7 region
8 - interrupts : one OHCI controller 8 - interrupts : one OHCI controller interrupt should be described here
9 - clocks : phandle list of usb 9 - clocks : phandle list of usb clocks
10 - clock-names : should be "ic" for i 10 - clock-names : should be "ic" for interconnect clock and "clk48"
11 See: Documentation/devicetree/bindings/clock/c 11 See: Documentation/devicetree/bindings/clock/clock-bindings.txt
12 12
13 - phys : phandle for the PHY 13 - phys : phandle for the PHY device
14 - phy-names : should be "usb" 14 - phy-names : should be "usb"
15 15
16 - resets : phandle to the power 16 - resets : phandle to the powerdown and reset controller for the USB IP
17 - reset-names : should be "power" an 17 - reset-names : should be "power" and "softreset".
18 See: Documentation/devicetree/bindings/reset/s 18 See: Documentation/devicetree/bindings/reset/st,stih407-powerdown.yaml
19 See: Documentation/devicetree/bindings/reset/r 19 See: Documentation/devicetree/bindings/reset/reset.txt
20 20
21 Example: 21 Example:
22 22
23 ohci0: usb@fe1ffc00 { 23 ohci0: usb@fe1ffc00 {
24 compatible = "st,st-ohci-300x" 24 compatible = "st,st-ohci-300x";
25 reg = <0xfe1ffc00 0x100>; 25 reg = <0xfe1ffc00 0x100>;
26 interrupts = <GIC_SPI 149 IRQ_ 26 interrupts = <GIC_SPI 149 IRQ_TYPE_NONE>;
27 clocks = <&clk_s_a1_ls 0>, 27 clocks = <&clk_s_a1_ls 0>,
28 <&clockgen_b0 0>; 28 <&clockgen_b0 0>;
29 clock-names = "ic", "clk48"; 29 clock-names = "ic", "clk48";
30 phys = <&usb2_phy>; 30 phys = <&usb2_phy>;
31 phy-names = "usb"; 31 phy-names = "usb";
32 32
33 resets = <&powerdown STIH416_U 33 resets = <&powerdown STIH416_USB0_POWERDOWN>,
34 <&softreset STIH416_U 34 <&softreset STIH416_USB0_SOFTRESET>;
35 reset-names = "power", "softre 35 reset-names = "power", "softreset";
36 }; 36 };
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