xref: /linux/Documentation/devicetree/bindings/usb/nvidia,tegra124-xusb.yaml (revision 24168c5e6dfbdd5b414f048f47f75d64533296ca) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/usb/nvidia,tegra124-xusb.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: NVIDIA Tegra124 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  # required
18  compatible:
19    oneOf:
20      - description: NVIDIA Tegra124
21        const: nvidia,tegra124-xusb
22
23      - description: NVIDIA Tegra132
24        items:
25          - const: nvidia,tegra132-xusb
26          - const: nvidia,tegra124-xusb
27
28  reg:
29    items:
30      - description: base and length of the xHCI host registers
31      - description: base and length of the XUSB FPCI registers
32      - description: base and length of the XUSB IPFS registers
33
34  reg-names:
35    items:
36      - const: hcd
37      - const: fpci
38      - const: ipfs
39
40  interrupts:
41    items:
42      - description: xHCI host interrupt
43      - description: mailbox interrupt
44
45  clocks:
46    items:
47      - description: XUSB host clock
48      - description: XUSB host source clock
49      - description: XUSB Falcon source clock
50      - description: XUSB SuperSpeed clock
51      - description: XUSB SuperSpeed clock divider
52      - description: XUSB SuperSpeed source clock
53      - description: XUSB HighSpeed clock source
54      - description: XUSB FullSpeed clock source
55      - description: USB PLL
56      - description: reference clock
57      - description: I/O PLL
58
59  clock-names:
60    items:
61      - const: xusb_host
62      - const: xusb_host_src
63      - const: xusb_falcon_src
64      - const: xusb_ss
65      - const: xusb_ss_div2
66      - const: xusb_ss_src
67      - const: xusb_hs_src
68      - const: xusb_fs_src
69      - const: pll_u_480m
70      - const: clk_m
71      - const: pll_e
72
73  resets:
74    items:
75      - description: reset for the XUSB host controller
76      - description: reset for the SuperSpeed logic
77      - description: shared reset for xusb_{ss,hs,fs,falcon,host}_src.
78
79  reset-names:
80    items:
81      - const: xusb_host
82      - const: xusb_ss
83      - const: xusb_src
84
85  nvidia,xusb-padctl:
86    $ref: /schemas/types.yaml#/definitions/phandle
87    description: phandle to the XUSB pad controller that is used to configure
88      the USB pads used by the XHCI controller
89
90  # optional
91  phys:
92    minItems: 1
93    maxItems: 7
94
95  phy-names:
96    minItems: 1
97    maxItems: 7
98    items:
99      enum:
100        - usb2-0
101        - usb2-1
102        - usb2-2
103        - hsic-0
104        - hsic-1
105        - usb3-0
106        - usb3-1
107
108  avddio-pex-supply:
109    description: PCIe/USB3 analog logic power supply. Must supply 1.05 V.
110
111  dvddio-pex-supply:
112    description: PCIe/USB3 digital logic power supply. Must supply 1.05 V.
113
114  avdd-usb-supply:
115    description: USB controller power supply. Must supply 3.3 V.
116
117  avdd-pll-utmip-supply:
118    description: UTMI PLL power supply. Must supply 1.8 V.
119
120  avdd-pll-erefe-supply:
121    description: PLLE reference PLL power supply. Must supply 1.05 V.
122
123  avdd-usb-ss-pll-supply:
124    description: PCIe/USB3 PLL power supply. Must supply 1.05 V.
125
126  hvdd-usb-ss-supply:
127    description: High-voltage PCIe/USB3 power supply. Must supply 3.3 V.
128
129  hvdd-usb-ss-pll-e-supply:
130    description: High-voltage PLLE power supply. Must supply 3.3 V.
131
132allOf:
133  - $ref: usb-xhci.yaml
134
135unevaluatedProperties: false
136
137required:
138  - compatible
139  - reg
140  - reg-names
141  - interrupts
142  - clocks
143  - clock-names
144  - resets
145  - reset-names
146  - nvidia,xusb-padctl
147  - phys
148  - phy-names
149  - avddio-pex-supply
150  - dvddio-pex-supply
151  - avdd-usb-supply
152  - hvdd-usb-ss-supply
153
154examples:
155  - |
156    #include <dt-bindings/clock/tegra124-car.h>
157    #include <dt-bindings/interrupt-controller/arm-gic.h>
158
159    usb@70090000 {
160        compatible = "nvidia,tegra124-xusb";
161        reg = <0x70090000 0x8000>,
162              <0x70098000 0x1000>,
163              <0x70099000 0x1000>;
164        reg-names = "hcd", "fpci", "ipfs";
165
166        interrupts = <GIC_SPI 39 IRQ_TYPE_LEVEL_HIGH>,
167                     <GIC_SPI 40 IRQ_TYPE_LEVEL_HIGH>;
168
169        clocks = <&tegra_car TEGRA124_CLK_XUSB_HOST>,
170                 <&tegra_car TEGRA124_CLK_XUSB_HOST_SRC>,
171                 <&tegra_car TEGRA124_CLK_XUSB_FALCON_SRC>,
172                 <&tegra_car TEGRA124_CLK_XUSB_SS>,
173                 <&tegra_car TEGRA124_CLK_XUSB_SS_DIV2>,
174                 <&tegra_car TEGRA124_CLK_XUSB_SS_SRC>,
175                 <&tegra_car TEGRA124_CLK_XUSB_HS_SRC>,
176                 <&tegra_car TEGRA124_CLK_XUSB_FS_SRC>,
177                 <&tegra_car TEGRA124_CLK_PLL_U_480M>,
178                 <&tegra_car TEGRA124_CLK_CLK_M>,
179                 <&tegra_car TEGRA124_CLK_PLL_E>;
180        clock-names = "xusb_host", "xusb_host_src", "xusb_falcon_src",
181                      "xusb_ss", "xusb_ss_div2", "xusb_ss_src",
182                      "xusb_hs_src", "xusb_fs_src", "pll_u_480m",
183                      "clk_m", "pll_e";
184        resets = <&tegra_car 89>, <&tegra_car 156>, <&tegra_car 143>;
185        reset-names = "xusb_host", "xusb_ss", "xusb_src";
186
187        nvidia,xusb-padctl = <&padctl>;
188
189        phys = <&phy_usb2_1>, <&phy_usb2_2>, <&phy_pcie_0>;
190        phy-names = "usb2-1", "usb2-2", "usb3-0";
191
192        avddio-pex-supply = <&vdd_1v05_run>;
193        dvddio-pex-supply = <&vdd_1v05_run>;
194        avdd-usb-supply = <&vdd_3v3_lp0>;
195        avdd-pll-utmip-supply = <&vddio_1v8>;
196        avdd-pll-erefe-supply = <&avdd_1v05_run>;
197        avdd-usb-ss-pll-supply = <&vdd_1v05_run>;
198        hvdd-usb-ss-supply = <&vdd_3v3_lp0>;
199        hvdd-usb-ss-pll-e-supply = <&vdd_3v3_lp0>;
200    };
201