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Fri, 5 Jul 2019 12:57:39 +0200 Received: from lvlogina.cadence.com (localhost.localdomain [127.0.0.1]) by lvlogina.cadence.com (8.14.4/8.14.4) with ESMTP id x65AvdI3017652; Fri, 5 Jul 2019 11:57:39 +0100 Received: (from pawell@localhost) by lvlogina.cadence.com (8.14.4/8.14.4/Submit) id x65AvdDv017651; Fri, 5 Jul 2019 11:57:39 +0100 From: Pawel Laszczak To: CC: , , , , , , , , , , , , , , , Pawel Laszczak Subject: [PATCH v9 1/6] dt-bindings: add binding for USBSS-DRD controller. 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Signed-off-by: Pawel Laszczak Reviewed-by: Rob Herring --- .../devicetree/bindings/usb/cdns-usb3.txt | 45 +++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 Documentation/devicetree/bindings/usb/cdns-usb3.txt diff --git a/Documentation/devicetree/bindings/usb/cdns-usb3.txt b/Documentation/devicetree/bindings/usb/cdns-usb3.txt new file mode 100644 index 000000000000..b7dc606d37b5 --- /dev/null +++ b/Documentation/devicetree/bindings/usb/cdns-usb3.txt @@ -0,0 +1,45 @@ +Binding for the Cadence USBSS-DRD controller + +Required properties: + - reg: Physical base address and size of the controller's register areas. + Controller has 3 different regions: + - HOST registers area + - DEVICE registers area + - OTG/DRD registers area + - reg-names - register memory area names: + "xhci" - for HOST registers space + "dev" - for DEVICE registers space + "otg" - for OTG/DRD registers space + - compatible: Should contain: "cdns,usb3" + - interrupts: Interrupts used by cdns3 controller: + "host" - interrupt used by XHCI driver. + "peripheral" - interrupt used by device driver + "otg" - interrupt used by DRD/OTG part of driver + +Optional properties: + - maximum-speed : valid arguments are "super-speed", "high-speed" and + "full-speed"; refer to usb/generic.txt + - dr_mode: Should be one of "host", "peripheral" or "otg". + - phys: reference to the USB PHY + - phy-names: from the *Generic PHY* bindings; + Supported names are: + - cdns3,usb2-phy + - cdns3,usb3-phy + + - cdns,on-chip-buff-size : size of memory intended as internal memory for endpoints + buffers expressed in KB + +Example: + usb@f3000000 { + compatible = "cdns,usb3"; + interrupts = , + , + ; + interrupt-names = "host", "peripheral", "otg"; + reg = <0xf3000000 0x10000>, /* memory area for HOST registers */ + <0xf3010000 0x10000>, /* memory area for DEVICE registers */ + <0xf3020000 0x10000>; /* memory area for OTG/DRD registers */ + reg-names = "xhci", "dev", "otg"; + phys = <&usb2_phy>, <&usb3_phy>; + phy-names = "cdns3,usb2-phy", "cnds3,usb3-phy"; + }; -- 2.17.1