diff options
Diffstat (limited to 'Documentation/devicetree/bindings/usb/cdns-usb3.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/usb/cdns-usb3.txt | 72 |
1 files changed, 33 insertions, 39 deletions
diff --git a/Documentation/devicetree/bindings/usb/cdns-usb3.txt b/Documentation/devicetree/bindings/usb/cdns-usb3.txt index b7dc606d37b5..13daee1b053b 100644 --- a/Documentation/devicetree/bindings/usb/cdns-usb3.txt +++ b/Documentation/devicetree/bindings/usb/cdns-usb3.txt @@ -1,45 +1,39 @@ -Binding for the Cadence USBSS-DRD controller +* Cadence USB3 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 +- compatible: "Cadence,usb3"; +- reg: base address and length of the registers +- interrupts: interrupt for the USB controller +- interrupt-parent: the interrupt parent for this module +- clocks: reference to the USB clock +- clock-names: the name of clocks +- cdns3,usbphy: reference to the USB PHY 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 +- dr_mode: One of "host", "peripheral" or "otg". Defaults to "otg" +- extcon: extcon phandler for cdns3 device +- power-domains: the power domain for cdns3 controller and phy - - cdns,on-chip-buff-size : size of memory intended as internal memory for endpoints - buffers expressed in KB +Examples: -Example: - usb@f3000000 { - compatible = "cdns,usb3"; - interrupts = <GIC_USB_IRQ 7 IRQ_TYPE_LEVEL_HIGH>, - <GIC_USB_IRQ 7 IRQ_TYPE_LEVEL_HIGH>, - <GIC_USB_IRQ 8 IRQ_TYPE_LEVEL_HIGH>; - 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"; - }; +usbotg3: cdns3@5b110000 { + compatible = "Cadence,usb3"; + reg = <0x0 0x5B110000 0x0 0x10000>, + <0x0 0x5B130000 0x0 0x10000>, + <0x0 0x5B140000 0x0 0x10000>, + <0x0 0x5B160000 0x0 0x40000>; + interrupt-parent = <&gic>; + interrupts = <GIC_SPI 271 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&clk IMX8QM_USB3_LPM_CLK>, + <&clk IMX8QM_USB3_BUS_CLK>, + <&clk IMX8QM_USB3_ACLK>, + <&clk IMX8QM_USB3_IPG_CLK>, + <&clk IMX8QM_USB3_CORE_PCLK>; + clock-names = "usb3_lpm_clk", "usb3_bus_clk", "usb3_aclk", + "usb3_ipg_clk", "usb3_core_pclk"; + power-domains = <&pd_conn_usb2>; + cdns3,usbphy = <&usbphynop1>; + dr_mode = "otg"; + extcon = <&typec_ptn5150>; + status = "disabled"; +}; |