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[releases.git] / bindings / usb / nvidia,tegra194-xusb.yaml
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     };