diff options
Diffstat (limited to 'Documentation/devicetree/bindings/usb')
8 files changed, 192 insertions, 9 deletions
diff --git a/Documentation/devicetree/bindings/usb/dwc2.txt b/Documentation/devicetree/bindings/usb/dwc2.txt index fd132cbee..221368207 100644 --- a/Documentation/devicetree/bindings/usb/dwc2.txt +++ b/Documentation/devicetree/bindings/usb/dwc2.txt @@ -4,6 +4,7 @@ Platform DesignWare HS OTG USB 2.0 controller Required properties: - compatible : One of: - brcm,bcm2835-usb: The DWC2 USB controller instance in the BCM2835 SoC. + - hisilicon,hi6220-usb: The DWC2 USB controller instance in the hi6220 SoC. - rockchip,rk3066-usb: The DWC2 USB controller instance in the rk3066 Soc; - "rockchip,rk3188-usb", "rockchip,rk3066-usb", "snps,dwc2": for rk3188 Soc; - "rockchip,rk3288-usb", "rockchip,rk3066-usb", "snps,dwc2": for rk3288 Soc; diff --git a/Documentation/devicetree/bindings/usb/dwc3-xilinx.txt b/Documentation/devicetree/bindings/usb/dwc3-xilinx.txt new file mode 100644 index 000000000..30361b32a --- /dev/null +++ b/Documentation/devicetree/bindings/usb/dwc3-xilinx.txt @@ -0,0 +1,33 @@ +Xilinx SuperSpeed DWC3 USB SoC controller + +Required properties: +- compatible: Should contain "xlnx,zynqmp-dwc3" +- clocks: A list of phandles for the clocks listed in clock-names +- clock-names: Should contain the following: + "bus_clk" Master/Core clock, have to be >= 125 MHz for SS + operation and >= 60MHz for HS operation + + "ref_clk" Clock source to core during PHY power down + +Required child node: +A child node must exist to represent the core DWC3 IP block. The name of +the node is not important. The content of the node is defined in dwc3.txt. + +Example device node: + + usb@0 { + #address-cells = <0x2>; + #size-cells = <0x1>; + status = "okay"; + compatible = "xlnx,zynqmp-dwc3"; + clock-names = "bus_clk" "ref_clk"; + clocks = <&clk125>, <&clk125>; + ranges; + + dwc3@fe200000 { + compatible = "snps,dwc3"; + reg = <0x0 0xfe200000 0x40000>; + interrupts = <0x0 0x41 0x4>; + dr_mode = "host"; + }; + }; diff --git a/Documentation/devicetree/bindings/usb/mt8173-xhci.txt b/Documentation/devicetree/bindings/usb/mt8173-xhci.txt new file mode 100644 index 000000000..b3a7ffa48 --- /dev/null +++ b/Documentation/devicetree/bindings/usb/mt8173-xhci.txt @@ -0,0 +1,51 @@ +MT8173 xHCI + +The device node for Mediatek SOC USB3.0 host controller + +Required properties: + - compatible : should contain "mediatek,mt8173-xhci" + - reg : specifies physical base address and size of the registers, + the first one for MAC, the second for IPPC + - interrupts : interrupt used by the controller + - power-domains : a phandle to USB power domain node to control USB's + mtcmos + - vusb33-supply : regulator of USB avdd3.3v + + - clocks : a list of phandle + clock-specifier pairs, one for each + entry in clock-names + - clock-names : must contain + "sys_ck": for clock of xHCI MAC + "wakeup_deb_p0": for USB wakeup debounce clock of port0 + "wakeup_deb_p1": for USB wakeup debounce clock of port1 + + - phys : a list of phandle + phy specifier pairs + +Optional properties: + - mediatek,wakeup-src : 1: ip sleep wakeup mode; 2: line state wakeup + mode; + - mediatek,syscon-wakeup : phandle to syscon used to access USB wakeup + control register, it depends on "mediatek,wakeup-src". + - vbus-supply : reference to the VBUS regulator; + - usb3-lpm-capable : supports USB3.0 LPM + +Example: +usb30: usb@11270000 { + compatible = "mediatek,mt8173-xhci"; + reg = <0 0x11270000 0 0x1000>, + <0 0x11280700 0 0x0100>; + interrupts = <GIC_SPI 115 IRQ_TYPE_LEVEL_LOW>; + power-domains = <&scpsys MT8173_POWER_DOMAIN_USB>; + clocks = <&topckgen CLK_TOP_USB30_SEL>, + <&pericfg CLK_PERI_USB0>, + <&pericfg CLK_PERI_USB1>; + clock-names = "sys_ck", + "wakeup_deb_p0", + "wakeup_deb_p1"; + phys = <&phy_port0 PHY_TYPE_USB3>, + <&phy_port1 PHY_TYPE_USB2>; + vusb33-supply = <&mt6397_vusb_reg>; + vbus-supply = <&usb_p1_vbus>; + usb3-lpm-capable; + mediatek,syscon-wakeup = <&pericfg>; + mediatek,wakeup-src = <1>; +}; diff --git a/Documentation/devicetree/bindings/usb/octeon-usb.txt b/Documentation/devicetree/bindings/usb/octeon-usb.txt new file mode 100644 index 000000000..205c8d24d --- /dev/null +++ b/Documentation/devicetree/bindings/usb/octeon-usb.txt @@ -0,0 +1,62 @@ +OCTEON/OCTEON+ USB BLOCK + +1) Main node + + Required properties: + + - compatible: must be "cavium,octeon-5750-usbn" + + - reg: specifies the physical base address of the USBN block and + the length of the memory mapped region. + + - #address-cells: specifies the number of cells needed to encode an + address. The value must be 2. + + - #size-cells: specifies the number of cells used to represent the size + of an address. The value must be 2. + + - ranges: specifies the translation between child address space and parent + address space. + + - clock-frequency: speed of the USB reference clock. Allowed values are + 12000000, 24000000 or 48000000. + + - cavium,refclk-type: type of the USB reference clock. Allowed values are + "crystal" or "external". + + - refclk-frequency: deprecated, use "clock-frequency". + + - refclk-type: deprecated, use "cavium,refclk-type". + +2) Child node + + The main node must have one child node which describes the built-in + USB controller. + + Required properties: + + - compatible: must be "cavium,octeon-5750-usbc" + + - reg: specifies the physical base address of the USBC block and + the length of the memory mapped region. + + - interrupts: specifies the interrupt number for the USB controller. + +3) Example: + + usbn: usbn@1180068000000 { + compatible = "cavium,octeon-5750-usbn"; + reg = <0x11800 0x68000000 0x0 0x1000>; + ranges; /* Direct mapping */ + #address-cells = <2>; + #size-cells = <2>; + clock-frequency = <12000000>; + cavium,refclk-type = "crystal"; + + usbc@16f0010000000 { + compatible = "cavium,octeon-5750-usbc"; + reg = <0x16f00 0x10000000 0x0 0x80000>; + interrupts = <0 56>; + }; + }; + diff --git a/Documentation/devicetree/bindings/usb/renesas_usb3.txt b/Documentation/devicetree/bindings/usb/renesas_usb3.txt new file mode 100644 index 000000000..8d52766f0 --- /dev/null +++ b/Documentation/devicetree/bindings/usb/renesas_usb3.txt @@ -0,0 +1,23 @@ +Renesas Electronics USB3.0 Peripheral driver + +Required properties: + - compatible: Must contain one of the following: + - "renesas,r8a7795-usb3-peri" + - reg: Base address and length of the register for the USB3.0 Peripheral + - interrupts: Interrupt specifier for the USB3.0 Peripheral + - clocks: clock phandle and specifier pair + +Example: + usb3_peri0: usb@ee020000 { + compatible = "renesas,r8a7795-usb3-peri"; + reg = <0 0xee020000 0 0x400>; + interrupts = <GIC_SPI 104 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&cpg CPG_MOD 328>; + }; + + usb3_peri1: usb@ee060000 { + compatible = "renesas,r8a7795-usb3-peri"; + reg = <0 0xee060000 0 0x400>; + interrupts = <GIC_SPI 100 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&cpg CPG_MOD 327>; + }; diff --git a/Documentation/devicetree/bindings/usb/renesas_usbhs.txt b/Documentation/devicetree/bindings/usb/renesas_usbhs.txt index 7d48f63db..b6040563e 100644 --- a/Documentation/devicetree/bindings/usb/renesas_usbhs.txt +++ b/Documentation/devicetree/bindings/usb/renesas_usbhs.txt @@ -1,11 +1,21 @@ Renesas Electronics USBHS driver Required properties: - - compatible: Must contain one of the following: - - "renesas,usbhs-r8a7790" - - "renesas,usbhs-r8a7791" - - "renesas,usbhs-r8a7794" - - "renesas,usbhs-r8a7795" + - compatible: Must contain one or more of the following: + + - "renesas,usbhs-r8a7790" for r8a7790 (R-Car H2) compatible device + - "renesas,usbhs-r8a7791" for r8a7791 (R-Car M2-W) compatible device + - "renesas,usbhs-r8a7792" for r8a7792 (R-Car V2H) compatible device + - "renesas,usbhs-r8a7793" for r8a7793 (R-Car M2-N) compatible device + - "renesas,usbhs-r8a7794" for r8a7794 (R-Car E2) compatible device + - "renesas,usbhs-r8a7795" for r8a7795 (R-Car H3) compatible device + - "renesas,rcar-gen2-usbhs" for R-Car Gen2 compatible device + - "renesas,rcar-gen3-usbhs" for R-Car Gen3 compatible device + + When compatible with the generic version, nodes must list the + SoC-specific version corresponding to the platform first followed + by the generic version. + - reg: Base address and length of the register for the USBHS - interrupts: Interrupt specifier for the USBHS - clocks: A list of phandle + clock specifier pairs @@ -22,7 +32,7 @@ Optional properties: Example: usbhs: usb@e6590000 { - compatible = "renesas,usbhs-r8a7790"; + compatible = "renesas,usbhs-r8a7790", "renesas,rcar-gen2-usbhs"; reg = <0 0xe6590000 0 0x100>; interrupts = <0 107 IRQ_TYPE_LEVEL_HIGH>; clocks = <&mstp7_clks R8A7790_CLK_HSUSB>; diff --git a/Documentation/devicetree/bindings/usb/usb-xhci.txt b/Documentation/devicetree/bindings/usb/usb-xhci.txt index 86f67f088..082573289 100644 --- a/Documentation/devicetree/bindings/usb/usb-xhci.txt +++ b/Documentation/devicetree/bindings/usb/usb-xhci.txt @@ -3,8 +3,8 @@ USB xHCI controllers Required properties: - compatible: should be one of "generic-xhci", "marvell,armada-375-xhci", "marvell,armada-380-xhci", - "renesas,xhci-r8a7790", "renesas,xhci-r8a7791" (deprecated: - "xhci-platform"). + "renesas,xhci-r8a7790", "renesas,xhci-r8a7791", "renesas,xhci-r8a7793", + "renesas,xhci-r8a7795" (deprecated: "xhci-platform"). - reg: should contain address and length of the standard XHCI register set for the device. - interrupts: one XHCI interrupt should be described here. diff --git a/Documentation/devicetree/bindings/usb/usb3503.txt b/Documentation/devicetree/bindings/usb/usb3503.txt index 52493b148..c1a0a9191 100644 --- a/Documentation/devicetree/bindings/usb/usb3503.txt +++ b/Documentation/devicetree/bindings/usb/usb3503.txt @@ -18,7 +18,8 @@ Optional properties: - refclk: Clock used for driving REFCLK signal (optional, if not provided the driver assumes that clock signal is always available, its rate is specified by REF_SEL pins and a value from the primary - reference clock frequencies table is used) + reference clock frequencies table is used). Use clocks and + clock-names in order to assign it - refclk-frequency: Frequency of the REFCLK signal as defined by REF_SEL pins (optional, if not provided, driver will not set rate of the REFCLK signal and assume that a value from the primary reference @@ -33,4 +34,6 @@ Examples: intn-gpios = <&gpx3 4 1>; reset-gpios = <&gpx3 5 1>; initial-mode = <1>; + clocks = <&clks 80>; + clock-names = "refclk"; }; |