diff options
Diffstat (limited to 'Documentation/devicetree/bindings/usb')
5 files changed, 119 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/usb/isp1301.txt b/Documentation/devicetree/bindings/usb/isp1301.txt new file mode 100644 index 000000000000..5405d99d9aaa --- /dev/null +++ b/Documentation/devicetree/bindings/usb/isp1301.txt @@ -0,0 +1,25 @@ +* NXP ISP1301 USB transceiver + +Required properties: +- compatible: must be "nxp,isp1301" +- reg: I2C address of the ISP1301 device + +Optional properties of devices using ISP1301: +- transceiver: phandle of isp1301 - this helps the ISP1301 driver to find the + ISP1301 instance associated with the respective USB driver + +Example: + + isp1301: usb-transceiver@2c { + compatible = "nxp,isp1301"; + reg = <0x2c>; + }; + + usbd@31020000 { + compatible = "nxp,lpc3220-udc"; + reg = <0x31020000 0x300>; + interrupt-parent = <&mic>; + interrupts = <0x3d 0>, <0x3e 0>, <0x3c 0>, <0x3a 0>; + transceiver = <&isp1301>; + status = "okay"; + }; diff --git a/Documentation/devicetree/bindings/usb/lpc32xx-udc.txt b/Documentation/devicetree/bindings/usb/lpc32xx-udc.txt new file mode 100644 index 000000000000..29f12a533f66 --- /dev/null +++ b/Documentation/devicetree/bindings/usb/lpc32xx-udc.txt @@ -0,0 +1,28 @@ +* NXP LPC32xx SoC USB Device Controller (UDC) + +Required properties: +- compatible: Must be "nxp,lpc3220-udc" +- reg: Physical base address of the controller and length of memory mapped + region. +- interrupts: The USB interrupts: + * USB Device Low Priority Interrupt + * USB Device High Priority Interrupt + * USB Device DMA Interrupt + * External USB Transceiver Interrupt (OTG ATX) +- transceiver: phandle of the associated ISP1301 device - this is necessary for + the UDC controller for connecting to the USB physical layer + +Example: + + isp1301: usb-transceiver@2c { + compatible = "nxp,isp1301"; + reg = <0x2c>; + }; + + usbd@31020000 { + compatible = "nxp,lpc3220-udc"; + reg = <0x31020000 0x300>; + interrupt-parent = <&mic>; + interrupts = <0x3d 0>, <0x3e 0>, <0x3c 0>, <0x3a 0>; + transceiver = <&isp1301>; + }; diff --git a/Documentation/devicetree/bindings/usb/ohci-nxp.txt b/Documentation/devicetree/bindings/usb/ohci-nxp.txt new file mode 100644 index 000000000000..71e28c1017ed --- /dev/null +++ b/Documentation/devicetree/bindings/usb/ohci-nxp.txt @@ -0,0 +1,24 @@ +* OHCI controller, NXP ohci-nxp variant + +Required properties: +- compatible: must be "nxp,ohci-nxp" +- reg: physical base address of the controller and length of memory mapped + region. +- interrupts: The OHCI interrupt +- transceiver: phandle of the associated ISP1301 device - this is necessary for + the UDC controller for connecting to the USB physical layer + +Example (LPC32xx): + + isp1301: usb-transceiver@2c { + compatible = "nxp,isp1301"; + reg = <0x2c>; + }; + + ohci@31020000 { + compatible = "nxp,ohci-nxp"; + reg = <0x31020000 0x300>; + interrupt-parent = <&mic>; + interrupts = <0x3b 0>; + transceiver = <&isp1301>; + }; diff --git a/Documentation/devicetree/bindings/usb/spear-usb.txt b/Documentation/devicetree/bindings/usb/spear-usb.txt new file mode 100644 index 000000000000..f8a464a25653 --- /dev/null +++ b/Documentation/devicetree/bindings/usb/spear-usb.txt @@ -0,0 +1,39 @@ +ST SPEAr SoC USB controllers: +----------------------------- + +EHCI: +----- + +Required properties: +- compatible: "st,spear600-ehci" +- interrupt-parent: Should be the phandle for the interrupt controller + that services interrupts for this device +- interrupts: Should contain the EHCI interrupt + +Example: + + ehci@e1800000 { + compatible = "st,spear600-ehci", "usb-ehci"; + reg = <0xe1800000 0x1000>; + interrupt-parent = <&vic1>; + interrupts = <27>; + }; + + +OHCI: +----- + +Required properties: +- compatible: "st,spear600-ohci" +- interrupt-parent: Should be the phandle for the interrupt controller + that services interrupts for this device +- interrupts: Should contain the OHCI interrupt + +Example: + + ohci@e1900000 { + compatible = "st,spear600-ohci", "usb-ohci"; + reg = <0xe1800000 0x1000>; + interrupt-parent = <&vic1>; + interrupts = <26>; + }; diff --git a/Documentation/devicetree/bindings/usb/tegra-usb.txt b/Documentation/devicetree/bindings/usb/tegra-usb.txt index 007005ddbe12..e9b005dc7625 100644 --- a/Documentation/devicetree/bindings/usb/tegra-usb.txt +++ b/Documentation/devicetree/bindings/usb/tegra-usb.txt @@ -12,6 +12,9 @@ Required properties : - nvidia,vbus-gpio : If present, specifies a gpio that needs to be activated for the bus to be powered. +Required properties for phy_type == ulpi: + - nvidia,phy-reset-gpio : The GPIO used to reset the PHY. + Optional properties: - dr_mode : dual role mode. Indicates the working mode for nvidia,tegra20-ehci compatible controllers. Can be "host", "peripheral", |