From 173d80d409b8f1424098cbcff2e359ff8443799c Mon Sep 17 00:00:00 2001 From: Vivek Gautam Date: Wed, 10 Apr 2013 19:37:52 +0900 Subject: [PATCH] ARM: dts: Add device tree bindings for dwc3-exynos Document device tree binding information as required by the Samsung' USB 3.0 controller. Signed-off-by: Vivek Gautam Signed-off-by: Kukjin Kim --- .../devicetree/bindings/usb/exynos-usb.txt | 34 +++++++++++++++++++ 1 file changed, 34 insertions(+) diff --git a/Documentation/devicetree/bindings/usb/exynos-usb.txt b/Documentation/devicetree/bindings/usb/exynos-usb.txt index b3abde736017..d967ba16de60 100644 --- a/Documentation/devicetree/bindings/usb/exynos-usb.txt +++ b/Documentation/devicetree/bindings/usb/exynos-usb.txt @@ -48,3 +48,37 @@ Example: clocks = <&clock 285>; clock-names = "usbhost"; }; + +DWC3 +Required properties: + - compatible: should be "samsung,exynos5250-dwusb3" for USB 3.0 DWC3 + controller. + - #address-cells, #size-cells : should be '1' if the device has sub-nodes + with 'reg' property. + - ranges: allows valid 1:1 translation between child's address space and + parent's address space + - clocks: Clock IDs array as required by the controller. + - clock-names: names of clocks correseponding to IDs in the clock property + +Sub-nodes: +The dwc3 core should be added as subnode to Exynos dwc3 glue. +- dwc3 : + The binding details of dwc3 can be found in: + Documentation/devicetree/bindings/usb/dwc3.txt + +Example: + usb@12000000 { + compatible = "samsung,exynos5250-dwusb3"; + clocks = <&clock 286>; + clock-names = "usbdrd30"; + #address-cells = <1>; + #size-cells = <1>; + ranges; + + dwc3 { + compatible = "synopsys,dwc3"; + reg = <0x12000000 0x10000>; + interrupts = <0 72 0>; + usb-phy = <&usb2_phy &usb3_phy>; + }; + }; -- 2.39.5