1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/usb/nvidia,tegra186-xusb.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: NVIDIA Tegra186 xHCI controller 8 9maintainers: 10 - Thierry Reding <thierry.reding@gmail.com> 11 - Jon Hunter <jonathanh@nvidia.com> 12 13description: The Tegra xHCI controller supports both USB2 and USB3 interfaces 14 exposed by the Tegra XUSB pad controller. 15 16properties: 17 compatible: 18 const: nvidia,tegra186-xusb 19 20 reg: 21 items: 22 - description: base and length of the xHCI host registers 23 - description: base and length of the XUSB FPCI registers 24 25 reg-names: 26 items: 27 - const: hcd 28 - const: fpci 29 30 interrupts: 31 items: 32 - description: xHCI host interrupt 33 - description: mailbox interrupt 34 35 clocks: 36 items: 37 - description: XUSB host clock 38 - description: XUSB Falcon source clock 39 - description: XUSB SuperSpeed clock 40 - description: XUSB SuperSpeed source clock 41 - description: XUSB HighSpeed clock source 42 - description: XUSB FullSpeed clock source 43 - description: USB PLL 44 - description: reference clock 45 - description: I/O PLL 46 47 clock-names: 48 items: 49 - const: xusb_host 50 - const: xusb_falcon_src 51 - const: xusb_ss 52 - const: xusb_ss_src 53 - const: xusb_hs_src 54 - const: xusb_fs_src 55 - const: pll_u_480m 56 - const: clk_m 57 - const: pll_e 58 59 interconnects: 60 items: 61 - description: read client 62 - description: write client 63 64 interconnect-names: 65 items: 66 - const: dma-mem # read 67 - const: write 68 69 iommus: 70 maxItems: 1 71 72 nvidia,xusb-padctl: 73 $ref: /schemas/types.yaml#/definitions/phandle 74 description: phandle to the XUSB pad controller that is used to configure 75 the USB pads used by the XHCI controller 76 77 phys: 78 minItems: 1 79 maxItems: 7 80 81 phy-names: 82 minItems: 1 83 maxItems: 7 84 items: 85 enum: 86 - usb2-0 87 - usb2-1 88 - usb2-2 89 - hsic-0 90 - usb3-0 91 - usb3-1 92 - usb3-2 93 94 power-domains: 95 items: 96 - description: XUSBC power domain (for Host and USB 2.0) 97 - description: XUSBA power domain (for SuperSpeed) 98 99 power-domain-names: 100 items: 101 - const: xusb_host 102 - const: xusb_ss 103 104 dvddio-pex-supply: 105 description: PCIe/USB3 analog logic power supply. Must supply 1.05 V. 106 107 hvddio-pex-supply: 108 description: High-voltage PCIe/USB3 power supply. Must supply 1.8 V. 109 110 avdd-usb-supply: 111 description: USB controller power supply. Must supply 3.3 V. 112 113 avdd-pll-utmip-supply: 114 description: UTMI PLL power supply. Must supply 1.8 V. 115 116 avdd-pll-uerefe-supply: 117 description: PLLE reference PLL power supply. Must supply 1.05 V. 118 119 dvdd-usb-ss-pll-supply: 120 description: PCIe/USB3 PLL power supply. Must supply 1.05 V. 121 122 hvdd-usb-ss-pll-e-supply: 123 description: High-voltage PLLE power supply. Must supply 1.8 V. 124 125allOf: 126 - $ref: usb-xhci.yaml 127 128unevaluatedProperties: false 129 130examples: 131 - | 132 #include <dt-bindings/clock/tegra186-clock.h> 133 #include <dt-bindings/interrupt-controller/arm-gic.h> 134 #include <dt-bindings/memory/tegra186-mc.h> 135 #include <dt-bindings/power/tegra186-powergate.h> 136 #include <dt-bindings/reset/tegra186-reset.h> 137 138 usb@3530000 { 139 compatible = "nvidia,tegra186-xusb"; 140 reg = <0x03530000 0x8000>, 141 <0x03538000 0x1000>; 142 reg-names = "hcd", "fpci"; 143 interrupts = <GIC_SPI 163 IRQ_TYPE_LEVEL_HIGH>, 144 <GIC_SPI 164 IRQ_TYPE_LEVEL_HIGH>; 145 clocks = <&bpmp TEGRA186_CLK_XUSB_HOST>, 146 <&bpmp TEGRA186_CLK_XUSB_FALCON>, 147 <&bpmp TEGRA186_CLK_XUSB_SS>, 148 <&bpmp TEGRA186_CLK_XUSB_CORE_SS>, 149 <&bpmp TEGRA186_CLK_CLK_M>, 150 <&bpmp TEGRA186_CLK_XUSB_FS>, 151 <&bpmp TEGRA186_CLK_PLLU>, 152 <&bpmp TEGRA186_CLK_CLK_M>, 153 <&bpmp TEGRA186_CLK_PLLE>; 154 clock-names = "xusb_host", "xusb_falcon_src", "xusb_ss", 155 "xusb_ss_src", "xusb_hs_src", "xusb_fs_src", 156 "pll_u_480m", "clk_m", "pll_e"; 157 power-domains = <&bpmp TEGRA186_POWER_DOMAIN_XUSBC>, 158 <&bpmp TEGRA186_POWER_DOMAIN_XUSBA>; 159 power-domain-names = "xusb_host", "xusb_ss"; 160 interconnects = <&mc TEGRA186_MEMORY_CLIENT_XUSB_HOSTR &emc>, 161 <&mc TEGRA186_MEMORY_CLIENT_XUSB_HOSTW &emc>; 162 interconnect-names = "dma-mem", "write"; 163 iommus = <&smmu TEGRA186_SID_XUSB_HOST>; 164 nvidia,xusb-padctl = <&padctl>; 165 166 #address-cells = <1>; 167 #size-cells = <0>; 168 169 phys = <&phy_usb2_0>, <&phy_usb2_1>, <&phy_usb3_0>; 170 phy-names = "usb2-0", "usb2-1", "usb3-0"; 171 }; 172