NVIDIA Tegra xHCI controller ============================ The Tegra xHCI controller supports both USB2 and USB3 interfaces exposed by the Tegra XUSB pad controller. Required properties: -------------------- - compatible: Must be: - Tegra124: "nvidia,tegra124-xusb" - Tegra132: "nvidia,tegra132-xusb", "nvidia,tegra124-xusb" - Tegra210: "nvidia,tegra210-xusb" - reg: Must contain the base and length of the xHCI host registers, XUSB FPCI registers and XUSB IPFS registers. - reg-names: Must contain the following entries: - "hcd" - "fpci" - "ipfs" - interrupts: Must contain the xHCI host interrupt and the mailbox interrupt. - clocks: Must contain an entry for each entry in clock-names. See ../clock/clock-bindings.txt for details. - clock-names: Must include the following entries: - xusb_host - xusb_host_src - xusb_falcon_src - xusb_ss - xusb_ss_src - xusb_ss_div2 - xusb_hs_src - xusb_fs_src - pll_u_480m - clk_m - pll_e - resets: Must contain an entry for each entry in reset-names. See ../reset/reset.txt for details. - reset-names: Must include the following entries: - xusb_host - xusb_ss - xusb_src Note that xusb_src is the shared reset for xusb_{ss,hs,fs,falcon,host}_src. - nvidia,xusb-padctl: phandle to the XUSB pad controller that is used to configure the USB pads used by the XHCI controller For Tegra124 and Tegra132: - avddio-pex-supply: PCIe/USB3 analog logic power supply. Must supply 1.05 V. - dvddio-pex-supply: PCIe/USB3 digital logic power supply. Must supply 1.05 V. - avdd-usb-supply: USB controller power supply. Must supply 3.3 V. - avdd-pll-utmip-supply: UTMI PLL power supply. Must supply 1.8 V. - avdd-pll-erefe-supply: PLLE reference PLL power supply. Must supply 1.05 V. - avdd-usb-ss-pll-supply: PCIe/USB3 PLL power supply. Must supply 1.05 V. - hvdd-usb-ss-supply: High-voltage PCIe/USB3 power supply. Must supply 3.3 V. - hvdd-usb-ss-pll-e-supply: High-voltage PLLE power supply. Must supply 3.3 V. For Tegra210: - dvddio-pex-supply: PCIe/USB3 analog logic power supply. Must supply 1.05 V. - hvddio-pex-supply: High-voltage PCIe/USB3 power supply. Must supply 1.8 V. - avdd-usb-supply: USB controller power supply. Must supply 3.3 V. - avdd-pll-utmip-supply: UTMI PLL power supply. Must supply 1.8 V. - avdd-pll-uerefe-supply: PLLE reference PLL power supply. Must supply 1.05 V. - dvdd-pex-pll-supply: PCIe/USB3 PLL power supply. Must supply 1.05 V. - hvdd-pex-pll-e-supply: High-voltage PLLE power supply. Must supply 1.8 V. Optional properties: -------------------- - phys: Must contain an entry for each entry in phy-names. See ../phy/phy-bindings.txt for details. - phy-names: Should include an entry for each PHY used by the controller. The following PHYs are available: - Tegra124: usb2-0, usb2-1, usb2-2, hsic-0, hsic-1, usb3-0, usb3-1 - Tegra132: usb2-0, usb2-1, usb2-2, hsic-0, hsic-1, usb3-0, usb3-1 - Tegra210: usb2-0, usb2-1, usb2-2, usb2-3, hsic-0, usb3-0, usb3-1, usb3-2, usb3-3 Example: -------- usb@0,70090000 { compatible = "nvidia,tegra124-xusb"; reg = <0x0 0x70090000 0x0 0x8000>, <0x0 0x70098000 0x0 0x1000>, <0x0 0x70099000 0x0 0x1000>; reg-names = "hcd", "fpci", "ipfs"; interrupts = , ; clocks = <&tegra_car TEGRA124_CLK_XUSB_HOST>, <&tegra_car TEGRA124_CLK_XUSB_HOST_SRC>, <&tegra_car TEGRA124_CLK_XUSB_FALCON_SRC>, <&tegra_car TEGRA124_CLK_XUSB_SS>, <&tegra_car TEGRA124_CLK_XUSB_SS_DIV2>, <&tegra_car TEGRA124_CLK_XUSB_SS_SRC>, <&tegra_car TEGRA124_CLK_XUSB_HS_SRC>, <&tegra_car TEGRA124_CLK_XUSB_FS_SRC>, <&tegra_car TEGRA124_CLK_PLL_U_480M>, <&tegra_car TEGRA124_CLK_CLK_M>, <&tegra_car TEGRA124_CLK_PLL_E>; clock-names = "xusb_host", "xusb_host_src", "xusb_falcon_src", "xusb_ss", "xusb_ss_div2", "xusb_ss_src", "xusb_hs_src", "xusb_fs_src", "pll_u_480m", "clk_m", "pll_e"; resets = <&tegra_car 89>, <&tegra_car 156>, <&tegra_car 143>; reset-names = "xusb_host", "xusb_ss", "xusb_src"; nvidia,xusb-padctl = <&padctl>; phys = <&{/padctl@0,7009f000/pads/usb2/lanes/usb2-1}>, /* mini-PCIe USB */ <&{/padctl@0,7009f000/pads/usb2/lanes/usb2-2}>, /* USB A */ <&{/padctl@0,7009f000/pads/pcie/lanes/pcie-0}>; /* USB A */ phy-names = "usb2-1", "usb2-2", "usb3-0"; avddio-pex-supply = <&vdd_1v05_run>; dvddio-pex-supply = <&vdd_1v05_run>; avdd-usb-supply = <&vdd_3v3_lp0>; avdd-pll-utmip-supply = <&vddio_1v8>; avdd-pll-erefe-supply = <&avdd_1v05_run>; avdd-usb-ss-pll-supply = <&vdd_1v05_run>; hvdd-usb-ss-supply = <&vdd_3v3_lp0>; hvdd-usb-ss-pll-e-supply = <&vdd_3v3_lp0>; };