xref: /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/usb/fsl,imx8mp-dwc3.yaml (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2*4882a593Smuzhiyun# Copyright (c) 2020 NXP
3*4882a593Smuzhiyun%YAML 1.2
4*4882a593Smuzhiyun---
5*4882a593Smuzhiyun$id: http://devicetree.org/schemas/usb/fsl,imx8mp-dwc3.yaml#
6*4882a593Smuzhiyun$schema: http://devicetree.org/meta-schemas/core.yaml#
7*4882a593Smuzhiyun
8*4882a593Smuzhiyuntitle: NXP iMX8MP Soc USB Controller
9*4882a593Smuzhiyun
10*4882a593Smuzhiyunmaintainers:
11*4882a593Smuzhiyun  - Li Jun <jun.li@nxp.com>
12*4882a593Smuzhiyun
13*4882a593Smuzhiyunproperties:
14*4882a593Smuzhiyun  compatible:
15*4882a593Smuzhiyun    const: fsl,imx8mp-dwc3
16*4882a593Smuzhiyun
17*4882a593Smuzhiyun  reg:
18*4882a593Smuzhiyun    maxItems: 1
19*4882a593Smuzhiyun    description: Address and length of the register set for the wrapper of
20*4882a593Smuzhiyun      dwc3 core on the SOC.
21*4882a593Smuzhiyun
22*4882a593Smuzhiyun  "#address-cells":
23*4882a593Smuzhiyun    enum: [ 1, 2 ]
24*4882a593Smuzhiyun
25*4882a593Smuzhiyun  "#size-cells":
26*4882a593Smuzhiyun    enum: [ 1, 2 ]
27*4882a593Smuzhiyun
28*4882a593Smuzhiyun  dma-ranges:
29*4882a593Smuzhiyun    description:
30*4882a593Smuzhiyun      See section 2.3.9 of the DeviceTree Specification.
31*4882a593Smuzhiyun
32*4882a593Smuzhiyun  ranges: true
33*4882a593Smuzhiyun
34*4882a593Smuzhiyun  interrupts:
35*4882a593Smuzhiyun    maxItems: 1
36*4882a593Smuzhiyun    description: The interrupt that is asserted when a wakeup event is
37*4882a593Smuzhiyun      received.
38*4882a593Smuzhiyun
39*4882a593Smuzhiyun  clocks:
40*4882a593Smuzhiyun    description:
41*4882a593Smuzhiyun      A list of phandle and clock-specifier pairs for the clocks
42*4882a593Smuzhiyun      listed in clock-names.
43*4882a593Smuzhiyun    items:
44*4882a593Smuzhiyun      - description: system hsio root clock.
45*4882a593Smuzhiyun      - description: suspend clock, used for usb wakeup logic.
46*4882a593Smuzhiyun
47*4882a593Smuzhiyun  clock-names:
48*4882a593Smuzhiyun    items:
49*4882a593Smuzhiyun      - const: hsio
50*4882a593Smuzhiyun      - const: suspend
51*4882a593Smuzhiyun
52*4882a593Smuzhiyun# Required child node:
53*4882a593Smuzhiyun
54*4882a593SmuzhiyunpatternProperties:
55*4882a593Smuzhiyun  "^dwc3@[0-9a-f]+$":
56*4882a593Smuzhiyun    type: object
57*4882a593Smuzhiyun    description:
58*4882a593Smuzhiyun      A child node must exist to represent the core DWC3 IP block
59*4882a593Smuzhiyun      The content of the node is defined in dwc3.txt.
60*4882a593Smuzhiyun
61*4882a593Smuzhiyunrequired:
62*4882a593Smuzhiyun  - compatible
63*4882a593Smuzhiyun  - reg
64*4882a593Smuzhiyun  - "#address-cells"
65*4882a593Smuzhiyun  - "#size-cells"
66*4882a593Smuzhiyun  - dma-ranges
67*4882a593Smuzhiyun  - ranges
68*4882a593Smuzhiyun  - clocks
69*4882a593Smuzhiyun  - clock-names
70*4882a593Smuzhiyun  - interrupts
71*4882a593Smuzhiyun
72*4882a593SmuzhiyunadditionalProperties: false
73*4882a593Smuzhiyun
74*4882a593Smuzhiyunexamples:
75*4882a593Smuzhiyun  - |
76*4882a593Smuzhiyun    #include <dt-bindings/clock/imx8mp-clock.h>
77*4882a593Smuzhiyun    #include <dt-bindings/interrupt-controller/arm-gic.h>
78*4882a593Smuzhiyun    usb3_0: usb@32f10100 {
79*4882a593Smuzhiyun      compatible = "fsl,imx8mp-dwc3";
80*4882a593Smuzhiyun      reg = <0x32f10100 0x8>;
81*4882a593Smuzhiyun      clocks = <&clk IMX8MP_CLK_HSIO_ROOT>,
82*4882a593Smuzhiyun               <&clk IMX8MP_CLK_USB_ROOT>;
83*4882a593Smuzhiyun      clock-names = "hsio", "suspend";
84*4882a593Smuzhiyun      interrupts = <GIC_SPI 148 IRQ_TYPE_LEVEL_HIGH>;
85*4882a593Smuzhiyun      #address-cells = <1>;
86*4882a593Smuzhiyun      #size-cells = <1>;
87*4882a593Smuzhiyun      dma-ranges = <0x40000000 0x40000000 0xc0000000>;
88*4882a593Smuzhiyun      ranges;
89*4882a593Smuzhiyun
90*4882a593Smuzhiyun      dwc3@38100000 {
91*4882a593Smuzhiyun        compatible = "snps,dwc3";
92*4882a593Smuzhiyun        reg = <0x38100000 0x10000>;
93*4882a593Smuzhiyun        clocks = <&clk IMX8MP_CLK_HSIO_AXI>,
94*4882a593Smuzhiyun                 <&clk IMX8MP_CLK_USB_CORE_REF>,
95*4882a593Smuzhiyun                 <&clk IMX8MP_CLK_USB_ROOT>;
96*4882a593Smuzhiyun        clock-names = "bus_early", "ref", "suspend";
97*4882a593Smuzhiyun        assigned-clocks = <&clk IMX8MP_CLK_HSIO_AXI>;
98*4882a593Smuzhiyun        assigned-clock-parents = <&clk IMX8MP_SYS_PLL2_500M>;
99*4882a593Smuzhiyun        assigned-clock-rates = <500000000>;
100*4882a593Smuzhiyun        interrupts = <GIC_SPI 40 IRQ_TYPE_LEVEL_HIGH>;
101*4882a593Smuzhiyun        phys = <&usb3_phy0>, <&usb3_phy0>;
102*4882a593Smuzhiyun        phy-names = "usb2-phy", "usb3-phy";
103*4882a593Smuzhiyun        snps,dis-u2-freeclk-exists-quirk;
104*4882a593Smuzhiyun      };
105*4882a593Smuzhiyun    };
106