fsl,imx8mp-dwc3.yaml (3208B)
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2# Copyright (c) 2020 NXP 3%YAML 1.2 4--- 5$id: http://devicetree.org/schemas/usb/fsl,imx8mp-dwc3.yaml# 6$schema: http://devicetree.org/meta-schemas/core.yaml# 7 8title: NXP iMX8MP Soc USB Controller 9 10maintainers: 11 - Li Jun <jun.li@nxp.com> 12 13properties: 14 compatible: 15 const: fsl,imx8mp-dwc3 16 17 reg: 18 items: 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. 21 22 "#address-cells": 23 enum: [ 1, 2 ] 24 25 "#size-cells": 26 enum: [ 1, 2 ] 27 28 dma-ranges: 29 description: 30 See section 2.3.9 of the DeviceTree Specification. 31 32 ranges: true 33 34 interrupts: 35 maxItems: 1 36 description: The interrupt that is asserted when a wakeup event is 37 received. 38 39 clocks: 40 description: 41 A list of phandle and clock-specifier pairs for the clocks 42 listed in clock-names. 43 items: 44 - description: system hsio root clock. 45 - description: suspend clock, used for usb wakeup logic. 46 47 clock-names: 48 items: 49 - const: hsio 50 - const: suspend 51 52 fsl,permanently-attached: 53 type: boolean 54 description: 55 Indicates if the device atached to a downstream port is 56 permanently attached. 57 58 fsl,disable-port-power-control: 59 type: boolean 60 description: 61 Indicates whether the host controller implementation includes port 62 power control. Defines Bit 3 in capability register (HCCPARAMS). 63 64 fsl,over-current-active-low: 65 type: boolean 66 description: 67 Over current signal polarity is active low. 68 69 fsl,power-active-low: 70 type: boolean 71 description: 72 Power pad (PWR) polarity is active low. 73 74# Required child node: 75 76patternProperties: 77 "^usb@[0-9a-f]+$": 78 $ref: snps,dwc3.yaml# 79 80required: 81 - compatible 82 - reg 83 - "#address-cells" 84 - "#size-cells" 85 - dma-ranges 86 - ranges 87 - clocks 88 - clock-names 89 - interrupts 90 91additionalProperties: false 92 93examples: 94 - | 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>, 100 <0x381f0000 0x20>; 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>; 106 #size-cells = <1>; 107 dma-ranges = <0x40000000 0x40000000 0xc0000000>; 108 ranges; 109 110 usb@38100000 { 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; 124 }; 125 };