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,tegra194-xusb.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: NVIDIA Tegra194 xHCI controller
8
9 maintainers:
10 - Thierry Reding <thierry.reding@gmail.com>
11 - Jon Hunter <jonathanh@nvidia.com>
12
13 description: The Tegra xHCI controller supports both USB2 and USB3 interfaces
14 exposed by the Tegra XUSB pad controller.
15
16 properties:
17 compatible:
18 const: nvidia,tegra194-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: 8
80
81 phy-names:
82 minItems: 1
83 maxItems: 8
84 items:
85 enum:
86 - usb2-0
87 - usb2-1
88 - usb2-2
89 - usb2-3
90 - usb3-0
91 - usb3-1
92 - usb3-2
93 - usb3-3
94
95 power-domains:
96 items:
97 - description: XUSBC power domain (for Host and USB 2.0)
98 - description: XUSBA power domain (for SuperSpeed)
99
100 power-domain-names:
101 items:
102 - const: xusb_host
103 - const: xusb_ss
104
105 dvddio-pex-supply:
106 description: PCIe/USB3 analog logic power supply. Must supply 1.05 V.
107
108 hvddio-pex-supply:
109 description: High-voltage PCIe/USB3 power supply. Must supply 1.8 V.
110
111 avdd-usb-supply:
112 description: USB controller power supply. Must supply 3.3 V.
113
114 avdd-pll-utmip-supply:
115 description: UTMI PLL power supply. Must supply 1.8 V.
116
117 avdd-pll-uerefe-supply:
118 description: PLLE reference PLL power supply. Must supply 1.05 V.
119
120 dvdd-usb-ss-pll-supply:
121 description: PCIe/USB3 PLL power supply. Must supply 1.05 V.
122
123 hvdd-usb-ss-pll-e-supply:
124 description: High-voltage PLLE power supply. Must supply 1.8 V.
125
126 allOf:
127 - $ref: usb-xhci.yaml
128
129 unevaluatedProperties: false
130
131 examples:
132 - |
133 #include <dt-bindings/clock/tegra194-clock.h>
134 #include <dt-bindings/interrupt-controller/arm-gic.h>
135 #include <dt-bindings/memory/tegra194-mc.h>
136 #include <dt-bindings/power/tegra194-powergate.h>
137 #include <dt-bindings/reset/tegra194-reset.h>
138
139 usb@3610000 {
140 compatible = "nvidia,tegra194-xusb";
141 reg = <0x03610000 0x40000>,
142 <0x03600000 0x10000>;
143 reg-names = "hcd", "fpci";
144
145 interrupts = <GIC_SPI 163 IRQ_TYPE_LEVEL_HIGH>,
146 <GIC_SPI 164 IRQ_TYPE_LEVEL_HIGH>;
147
148 clocks = <&bpmp TEGRA194_CLK_XUSB_CORE_HOST>,
149 <&bpmp TEGRA194_CLK_XUSB_FALCON>,
150 <&bpmp TEGRA194_CLK_XUSB_CORE_SS>,
151 <&bpmp TEGRA194_CLK_XUSB_SS>,
152 <&bpmp TEGRA194_CLK_CLK_M>,
153 <&bpmp TEGRA194_CLK_XUSB_FS>,
154 <&bpmp TEGRA194_CLK_UTMIPLL>,
155 <&bpmp TEGRA194_CLK_CLK_M>,
156 <&bpmp TEGRA194_CLK_PLLE>;
157 clock-names = "xusb_host", "xusb_falcon_src",
158 "xusb_ss", "xusb_ss_src", "xusb_hs_src",
159 "xusb_fs_src", "pll_u_480m", "clk_m",
160 "pll_e";
161 interconnects = <&mc TEGRA194_MEMORY_CLIENT_XUSB_HOSTR &emc>,
162 <&mc TEGRA194_MEMORY_CLIENT_XUSB_HOSTW &emc>;
163 interconnect-names = "dma-mem", "write";
164 iommus = <&smmu TEGRA194_SID_XUSB_HOST>;
165
166 power-domains = <&bpmp TEGRA194_POWER_DOMAIN_XUSBC>,
167 <&bpmp TEGRA194_POWER_DOMAIN_XUSBA>;
168 power-domain-names = "xusb_host", "xusb_ss";
169
170 nvidia,xusb-padctl = <&xusb_padctl>;
171
172 phys = <&phy_usb2_0>, <&phy_usb2_1>, <&phy_usb2_3>, <&phy_usb3_0>,
173 <&phy_usb3_2>, <&phy_usb3_3>;
174 phy-names = "usb2-0", "usb2-1", "usb2-3", "usb3-0", "usb3-2", "usb3-3";
175 };
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