diff options
| author | Tomasz Figa <t.figa@samsung.com> | 2013-06-25 19:38:23 +0400 |
|---|---|---|
| committer | Felipe Balbi <balbi@ti.com> | 2013-07-29 14:56:49 +0400 |
| commit | c50f056c360673ef196b49bfa161d841f0fbe92e (patch) | |
| tree | 9d1f89634838ea37fa1e1e44fb90b094d0dbab8c /Documentation/devicetree/bindings/usb/samsung-hsotg.txt | |
| parent | 22a5aa170c5231e64e1598a55dee92ea9a26183e (diff) | |
| download | linux-c50f056c360673ef196b49bfa161d841f0fbe92e.tar.xz | |
usb: gadget: s3c-hsotg: Allow driver instantiation using device tree
This patch adds OF match table to the driver to allow instantiating it
using device tree.
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'Documentation/devicetree/bindings/usb/samsung-hsotg.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/usb/samsung-hsotg.txt | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/usb/samsung-hsotg.txt b/Documentation/devicetree/bindings/usb/samsung-hsotg.txt new file mode 100644 index 000000000000..b83d428a265e --- /dev/null +++ b/Documentation/devicetree/bindings/usb/samsung-hsotg.txt @@ -0,0 +1,40 @@ +Samsung High Speed USB OTG controller +----------------------------- + +The Samsung HSOTG IP can be found on Samsung SoCs, from S3C6400 onwards. +It gives functionality of OTG-compliant USB 2.0 host and device with +support for USB 2.0 high-speed (480Mbps) and full-speed (12 Mbps) +operation. + +Currently only device mode is supported. + +Binding details +----- + +Required properties: +- compatible: "samsung,s3c6400-hsotg" should be used for all currently + supported SoC, +- interrupt-parent: phandle for the interrupt controller to which the + interrupt signal of the HSOTG block is routed, +- interrupts: specifier of interrupt signal of interrupt controller, + according to bindings of interrupt controller, +- clocks: contains an array of clock specifiers: + - first entry: OTG clock +- clock-names: contains array of clock names: + - first entry: must be "otg" +- vusb_d-supply: phandle to voltage regulator of digital section, +- vusb_a-supply: phandle to voltage regulator of analog section. + +Example +----- + + hsotg@12480000 { + compatible = "samsung,s3c6400-hsotg"; + reg = <0x12480000 0x20000>; + interrupts = <0 71 0>; + clocks = <&clock 305>; + clock-names = "otg"; + vusb_d-supply = <&vusb_reg>; + vusb_a-supply = <&vusbdac_reg>; + }; + |