1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 # Copyright (c) 2020 NXP
5 $id: http://devicetree.org/schemas/usb/fsl,imx8mp-dwc3.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
8 title: NXP iMX8MP Soc USB Controller
11 - Li Jun <jun.li@nxp.com>
15 const: fsl,imx8mp-dwc3
19 - description: Address and length of the register set for HSIO Block Control
20 - description: Address and length of the register set for the wrapper of dwc3 core on the SOC.
30 See section 2.3.9 of the DeviceTree Specification.
36 description: The interrupt that is asserted when a wakeup event is
41 A list of phandle and clock-specifier pairs for the clocks
42 listed in clock-names.
44 - description: system hsio root clock.
45 - description: suspend clock, used for usb wakeup logic.
52 fsl,permanently-attached:
55 Indicates if the device atached to a downstream port is
58 fsl,disable-port-power-control:
61 Indicates whether the host controller implementation includes port
62 power control. Defines Bit 3 in capability register (HCCPARAMS).
64 fsl,over-current-active-low:
67 Over current signal polarity is active low.
72 Power pad (PWR) polarity is active low.
74 # Required child node:
91 additionalProperties: false
95 #include <dt-bindings/clock/imx8mp-clock.h>
96 #include <dt-bindings/interrupt-controller/arm-gic.h>
97 usb3_0: usb@32f10100 {
98 compatible = "fsl,imx8mp-dwc3";
99 reg = <0x32f10100 0x8>,
101 clocks = <&clk IMX8MP_CLK_HSIO_ROOT>,
102 <&clk IMX8MP_CLK_USB_ROOT>;
103 clock-names = "hsio", "suspend";
104 interrupts = <GIC_SPI 148 IRQ_TYPE_LEVEL_HIGH>;
105 #address-cells = <1>;
107 dma-ranges = <0x40000000 0x40000000 0xc0000000>;
111 compatible = "snps,dwc3";
112 reg = <0x38100000 0x10000>;
113 clocks = <&clk IMX8MP_CLK_HSIO_AXI>,
114 <&clk IMX8MP_CLK_USB_CORE_REF>,
115 <&clk IMX8MP_CLK_USB_ROOT>;
116 clock-names = "bus_early", "ref", "suspend";
117 assigned-clocks = <&clk IMX8MP_CLK_HSIO_AXI>;
118 assigned-clock-parents = <&clk IMX8MP_SYS_PLL2_500M>;
119 assigned-clock-rates = <500000000>;
120 interrupts = <GIC_SPI 40 IRQ_TYPE_LEVEL_HIGH>;
121 phys = <&usb3_phy0>, <&usb3_phy0>;
122 phy-names = "usb2-phy", "usb3-phy";
123 snps,dis-u2-freeclk-exists-quirk;