Re: [PATCH v1 1/2] dt-bindings: add binding for USBSS-DRD controller.
From: Roger Quadros <hidden>
Date: 2018-12-11 10:16:41
Also in:
linux-usb, lkml
Pawel, On 10/12/18 14:39, Pawel Laszczak wrote:
quoted hunk ↗ jump to hunk
This patch aim at documenting USB related dt-bindings for the Cadence USBSS-DRD controller. Signed-off-by: Pawel Laszczak <pawell@cadence.com> --- .../devicetree/bindings/usb/cdns3-usb.txt | 31 +++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 Documentation/devicetree/bindings/usb/cdns3-usb.txtdiff --git a/Documentation/devicetree/bindings/usb/cdns3-usb.txt b/Documentation/devicetree/bindings/usb/cdns3-usb.txt new file mode 100644 index 000000000000..ae4a255f0b10 --- /dev/null +++ b/Documentation/devicetree/bindings/usb/cdns3-usb.txt@@ -0,0 +1,31 @@ +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: + region 1 - HOST registers area + region 2 - DEVICE registers area + region 3 - OTG/DRD registers area + - compatible: Should contain: "cdns,usb3" + - interrupts: Interrupt specifier. Refer to interrupt bindings. + Driver supports only single interrupt line. + This single interrupt is shared between Device, + host and OTG/DRD part of driver. + +Optional propertiesi:
s/propertiesi/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: name of the USB PHY, should be "cdns3,usbphy"
+
+
+Example:
+ usb@f3000000 {
+ compatible = "cdns,usb3";
+ interrupts = <USB_IRQ 7 IRQ_TYPE_LEVEL_HIGH>;
+ reg = <0xf3000000 0x10000 //memory area for HOST registers
+ 0xf3010000 0x10000 //memory area for DEVICE registers
+ 0xf3020000 0x10000>; //memory area for OTG/DRD registersUse "/* <comment> */" instead.
+ }; +
cheers, -roger -- Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki