Merge tag 'asoc-v4.19-rc4' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie...
[sfrench/cifs-2.6.git] / Documentation / devicetree / bindings / usb / samsung-hsotg.txt
1 Samsung High Speed USB OTG controller
2 -----------------------------
3
4 The Samsung HSOTG IP can be found on Samsung SoCs, from S3C6400 onwards.
5 It gives functionality of OTG-compliant USB 2.0 host and device with
6 support for USB 2.0 high-speed (480Mbps) and full-speed (12 Mbps)
7 operation.
8
9 Currently only device mode is supported.
10
11 Binding details
12 -----
13
14 Required properties:
15 - compatible: "samsung,s3c6400-hsotg" should be used for all currently
16     supported SoC,
17 - interrupts: specifier of interrupt signal of interrupt controller,
18     according to bindings of interrupt controller,
19 - clocks: contains an array of clock specifiers:
20     - first entry: OTG clock
21 - clock-names: contains array of clock names:
22     - first entry: must be "otg"
23 - vusb_d-supply: phandle to voltage regulator of digital section,
24 - vusb_a-supply: phandle to voltage regulator of analog section.
25
26 Example
27 -----
28
29         hsotg@12480000 {
30                 compatible = "samsung,s3c6400-hsotg";
31                 reg = <0x12480000 0x20000>;
32                 interrupts = <0 71 0>;
33                 clocks = <&clock 305>;
34                 clock-names = "otg";
35                 vusb_d-supply = <&vusb_reg>;
36                 vusb_a-supply = <&vusbdac_reg>;
37         };
38