Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame^] | 1 | # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/usb/nvidia,tegra-xudc.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: NVIDIA Tegra XUSB device mode controller (XUDC) |
| 8 | |
| 9 | description: |
| 10 | The Tegra XUDC controller supports both USB 2.0 HighSpeed/FullSpeed and |
| 11 | USB 3.0 SuperSpeed protocols. |
| 12 | |
| 13 | maintainers: |
| 14 | - Nagarjuna Kristam <nkristam@nvidia.com> |
| 15 | - JC Kuo <jckuo@nvidia.com> |
| 16 | - Thierry Reding <treding@nvidia.com> |
| 17 | |
| 18 | properties: |
| 19 | compatible: |
| 20 | items: |
| 21 | - enum: |
| 22 | - nvidia,tegra210-xudc # For Tegra210 |
| 23 | - nvidia,tegra186-xudc # For Tegra186 |
| 24 | - nvidia,tegra194-xudc # For Tegra194 |
| 25 | - nvidia,tegra234-xudc # For Tegra234 |
| 26 | |
| 27 | reg: |
| 28 | minItems: 2 |
| 29 | items: |
| 30 | - description: XUSB device controller registers |
| 31 | - description: XUSB device PCI Config registers |
| 32 | - description: XUSB device registers. |
| 33 | |
| 34 | reg-names: |
| 35 | minItems: 2 |
| 36 | items: |
| 37 | - const: base |
| 38 | - const: fpci |
| 39 | - const: ipfs |
| 40 | |
| 41 | interrupts: |
| 42 | maxItems: 1 |
| 43 | description: Must contain the XUSB device interrupt. |
| 44 | |
| 45 | clocks: |
| 46 | minItems: 4 |
| 47 | items: |
| 48 | - description: Clock to enable core XUSB dev clock. |
| 49 | - description: Clock to enable XUSB super speed clock. |
| 50 | - description: Clock to enable XUSB super speed dev clock. |
| 51 | - description: Clock to enable XUSB high speed dev clock. |
| 52 | - description: Clock to enable XUSB full speed dev clock. |
| 53 | |
| 54 | clock-names: |
| 55 | minItems: 4 |
| 56 | items: |
| 57 | - const: dev |
| 58 | - const: ss |
| 59 | - const: ss_src |
| 60 | - const: fs_src |
| 61 | - const: hs_src |
| 62 | |
| 63 | interconnects: |
| 64 | items: |
| 65 | - description: memory read client |
| 66 | - description: memory write client |
| 67 | |
| 68 | interconnect-names: |
| 69 | items: |
| 70 | - const: dma-mem # read |
| 71 | - const: write |
| 72 | |
| 73 | iommus: |
| 74 | maxItems: 1 |
| 75 | |
| 76 | power-domains: |
| 77 | items: |
| 78 | - description: XUSBB(device) power-domain |
| 79 | - description: XUSBA(superspeed) power-domain |
| 80 | |
| 81 | power-domain-names: |
| 82 | items: |
| 83 | - const: dev |
| 84 | - const: ss |
| 85 | |
| 86 | nvidia,xusb-padctl: |
| 87 | $ref: /schemas/types.yaml#/definitions/phandle |
| 88 | description: |
| 89 | phandle to the XUSB pad controller that is used to configure the USB pads |
| 90 | used by the XUDC controller. |
| 91 | |
| 92 | phys: |
| 93 | minItems: 1 |
| 94 | maxItems: 2 |
| 95 | description: |
| 96 | Must contain an entry for each entry in phy-names. |
| 97 | See ../phy/phy-bindings.txt for details. |
| 98 | |
| 99 | phy-names: |
| 100 | minItems: 1 |
| 101 | items: |
| 102 | - const: usb2-0 |
| 103 | - const: usb3-0 |
| 104 | |
| 105 | avddio-usb-supply: |
| 106 | description: PCIe/USB3 analog logic power supply. Must supply 1.05 V. |
| 107 | |
| 108 | hvdd-usb-supply: |
| 109 | description: USB controller power supply. Must supply 3.3 V. |
| 110 | |
| 111 | dma-coherent: true |
| 112 | |
| 113 | required: |
| 114 | - compatible |
| 115 | - reg |
| 116 | - reg-names |
| 117 | - interrupts |
| 118 | - clocks |
| 119 | - clock-names |
| 120 | - power-domains |
| 121 | - power-domain-names |
| 122 | - nvidia,xusb-padctl |
| 123 | - phys |
| 124 | - phy-names |
| 125 | |
| 126 | allOf: |
| 127 | - if: |
| 128 | properties: |
| 129 | compatible: |
| 130 | contains: |
| 131 | enum: |
| 132 | - nvidia,tegra210-xudc |
| 133 | then: |
| 134 | properties: |
| 135 | reg: |
| 136 | minItems: 3 |
| 137 | reg-names: |
| 138 | minItems: 3 |
| 139 | clocks: |
| 140 | minItems: 5 |
| 141 | clock-names: |
| 142 | minItems: 5 |
| 143 | required: |
| 144 | - avddio-usb-supply |
| 145 | - hvdd-usb-supply |
| 146 | |
| 147 | - if: |
| 148 | properties: |
| 149 | compatible: |
| 150 | contains: |
| 151 | enum: |
| 152 | - nvidia,tegra186-xudc |
| 153 | - nvidia,tegra194-xudc |
| 154 | - nvidia,tegra234-xudc |
| 155 | then: |
| 156 | properties: |
| 157 | reg: |
| 158 | maxItems: 2 |
| 159 | reg-names: |
| 160 | maxItems: 2 |
| 161 | clocks: |
| 162 | maxItems: 4 |
| 163 | clock-names: |
| 164 | maxItems: 4 |
| 165 | |
| 166 | - if: |
| 167 | properties: |
| 168 | compatible: |
| 169 | contains: |
| 170 | enum: |
| 171 | - nvidia,tegra194-xudc |
| 172 | - nvidia,tegra234-xudc |
| 173 | then: |
| 174 | required: |
| 175 | - dma-coherent |
| 176 | |
| 177 | additionalProperties: false |
| 178 | |
| 179 | examples: |
| 180 | - | |
| 181 | #include <dt-bindings/clock/tegra210-car.h> |
| 182 | #include <dt-bindings/gpio/tegra-gpio.h> |
| 183 | #include <dt-bindings/interrupt-controller/arm-gic.h> |
| 184 | |
| 185 | usb@700d0000 { |
| 186 | compatible = "nvidia,tegra210-xudc"; |
| 187 | reg = <0x700d0000 0x8000>, |
| 188 | <0x700d8000 0x1000>, |
| 189 | <0x700d9000 0x1000>; |
| 190 | reg-names = "base", "fpci", "ipfs"; |
| 191 | |
| 192 | interrupts = <GIC_SPI 44 IRQ_TYPE_LEVEL_HIGH>; |
| 193 | |
| 194 | clocks = <&tegra_car TEGRA210_CLK_XUSB_DEV>, |
| 195 | <&tegra_car TEGRA210_CLK_XUSB_SS>, |
| 196 | <&tegra_car TEGRA210_CLK_XUSB_SSP_SRC>, |
| 197 | <&tegra_car TEGRA210_CLK_XUSB_FS_SRC>, |
| 198 | <&tegra_car TEGRA210_CLK_XUSB_HS_SRC>; |
| 199 | clock-names = "dev", "ss", "ss_src", "fs_src", "hs_src"; |
| 200 | |
| 201 | power-domains = <&pd_xusbdev>, <&pd_xusbss>; |
| 202 | power-domain-names = "dev", "ss"; |
| 203 | |
| 204 | nvidia,xusb-padctl = <&padctl>; |
| 205 | |
| 206 | phys = <µ_b>; |
| 207 | phy-names = "usb2-0"; |
| 208 | |
| 209 | avddio-usb-supply = <&vdd_pex_1v05>; |
| 210 | hvdd-usb-supply = <&vdd_3v3_sys>; |
| 211 | }; |