From c50f056c360673ef196b49bfa161d841f0fbe92e Mon Sep 17 00:00:00 2001 From: Tomasz Figa Date: Tue, 25 Jun 2013 17:38:23 +0200 Subject: 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 Signed-off-by: Kyungmin Park Signed-off-by: Felipe Balbi --- .../devicetree/bindings/usb/samsung-hsotg.txt | 40 ++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 Documentation/devicetree/bindings/usb/samsung-hsotg.txt (limited to 'Documentation') 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>; + }; + -- cgit v1.2.2