1*4882a593Smuzhiyun# SPDX-License-Identifier: GPL-2.0 2*4882a593Smuzhiyun%YAML 1.2 3*4882a593Smuzhiyun--- 4*4882a593Smuzhiyun$id: http://devicetree.org/schemas/usb/generic-ehci.yaml# 5*4882a593Smuzhiyun$schema: http://devicetree.org/meta-schemas/core.yaml# 6*4882a593Smuzhiyun 7*4882a593Smuzhiyuntitle: USB EHCI Controller Device Tree Bindings 8*4882a593Smuzhiyun 9*4882a593Smuzhiyunmaintainers: 10*4882a593Smuzhiyun - Greg Kroah-Hartman <gregkh@linuxfoundation.org> 11*4882a593Smuzhiyun 12*4882a593SmuzhiyunallOf: 13*4882a593Smuzhiyun - $ref: "usb-hcd.yaml" 14*4882a593Smuzhiyun - if: 15*4882a593Smuzhiyun properties: 16*4882a593Smuzhiyun compatible: 17*4882a593Smuzhiyun not: 18*4882a593Smuzhiyun contains: 19*4882a593Smuzhiyun const: ibm,usb-ehci-440epx 20*4882a593Smuzhiyun then: 21*4882a593Smuzhiyun properties: 22*4882a593Smuzhiyun reg: 23*4882a593Smuzhiyun maxItems: 1 24*4882a593Smuzhiyun 25*4882a593Smuzhiyunproperties: 26*4882a593Smuzhiyun compatible: 27*4882a593Smuzhiyun contains: 28*4882a593Smuzhiyun const: generic-ehci 29*4882a593Smuzhiyun 30*4882a593Smuzhiyun reg: 31*4882a593Smuzhiyun minItems: 1 32*4882a593Smuzhiyun maxItems: 2 33*4882a593Smuzhiyun 34*4882a593Smuzhiyun interrupts: 35*4882a593Smuzhiyun maxItems: 1 36*4882a593Smuzhiyun 37*4882a593Smuzhiyun resets: 38*4882a593Smuzhiyun minItems: 1 39*4882a593Smuzhiyun maxItems: 4 40*4882a593Smuzhiyun 41*4882a593Smuzhiyun clocks: 42*4882a593Smuzhiyun minItems: 1 43*4882a593Smuzhiyun maxItems: 4 44*4882a593Smuzhiyun description: | 45*4882a593Smuzhiyun In case the Renesas R-Car Gen3 SoCs: 46*4882a593Smuzhiyun - if a host only channel: first clock should be host. 47*4882a593Smuzhiyun - if a USB DRD channel: first clock should be host and second 48*4882a593Smuzhiyun one should be peripheral 49*4882a593Smuzhiyun 50*4882a593Smuzhiyun power-domains: 51*4882a593Smuzhiyun maxItems: 1 52*4882a593Smuzhiyun 53*4882a593Smuzhiyun big-endian: 54*4882a593Smuzhiyun $ref: /schemas/types.yaml#/definitions/flag 55*4882a593Smuzhiyun description: 56*4882a593Smuzhiyun Set this flag for HCDs with big endian descriptors and big 57*4882a593Smuzhiyun endian registers. 58*4882a593Smuzhiyun 59*4882a593Smuzhiyun big-endian-desc: 60*4882a593Smuzhiyun $ref: /schemas/types.yaml#/definitions/flag 61*4882a593Smuzhiyun description: 62*4882a593Smuzhiyun Set this flag for HCDs with big endian descriptors. 63*4882a593Smuzhiyun 64*4882a593Smuzhiyun big-endian-regs: 65*4882a593Smuzhiyun $ref: /schemas/types.yaml#/definitions/flag 66*4882a593Smuzhiyun description: 67*4882a593Smuzhiyun Set this flag for HCDs with big endian registers. 68*4882a593Smuzhiyun 69*4882a593Smuzhiyun has-transaction-translator: 70*4882a593Smuzhiyun $ref: /schemas/types.yaml#/definitions/flag 71*4882a593Smuzhiyun description: 72*4882a593Smuzhiyun Set this flag if EHCI has a Transaction Translator built into 73*4882a593Smuzhiyun the root hub. 74*4882a593Smuzhiyun 75*4882a593Smuzhiyun needs-reset-on-resume: 76*4882a593Smuzhiyun $ref: /schemas/types.yaml#/definitions/flag 77*4882a593Smuzhiyun description: 78*4882a593Smuzhiyun Set this flag to force EHCI reset after resume. 79*4882a593Smuzhiyun 80*4882a593Smuzhiyun companion: 81*4882a593Smuzhiyun $ref: /schemas/types.yaml#/definitions/phandle 82*4882a593Smuzhiyun description: 83*4882a593Smuzhiyun Phandle of a companion. 84*4882a593Smuzhiyun 85*4882a593Smuzhiyun phys: 86*4882a593Smuzhiyun description: PHY specifier for the USB PHY 87*4882a593Smuzhiyun 88*4882a593Smuzhiyun phy-names: 89*4882a593Smuzhiyun const: usb 90*4882a593Smuzhiyun 91*4882a593Smuzhiyun iommus: 92*4882a593Smuzhiyun maxItems: 1 93*4882a593Smuzhiyun 94*4882a593Smuzhiyunrequired: 95*4882a593Smuzhiyun - compatible 96*4882a593Smuzhiyun - reg 97*4882a593Smuzhiyun - interrupts 98*4882a593Smuzhiyun 99*4882a593SmuzhiyunadditionalProperties: false 100*4882a593Smuzhiyun 101*4882a593Smuzhiyunexamples: 102*4882a593Smuzhiyun - | 103*4882a593Smuzhiyun usb@e0000300 { 104*4882a593Smuzhiyun compatible = "ibm,usb-ehci-440epx", "generic-ehci"; 105*4882a593Smuzhiyun interrupt-parent = <&UIC0>; 106*4882a593Smuzhiyun interrupts = <0x1a 4>; 107*4882a593Smuzhiyun reg = <0xe0000300 90>, <0xe0000390 70>; 108*4882a593Smuzhiyun big-endian; 109*4882a593Smuzhiyun }; 110*4882a593Smuzhiyun 111*4882a593Smuzhiyun - | 112*4882a593Smuzhiyun ehci0: usb@1c14000 { 113*4882a593Smuzhiyun compatible = "allwinner,sun4i-a10-ehci", "generic-ehci"; 114*4882a593Smuzhiyun reg = <0x01c14000 0x100>; 115*4882a593Smuzhiyun interrupts = <39>; 116*4882a593Smuzhiyun clocks = <&ahb_gates 1>; 117*4882a593Smuzhiyun phys = <&usbphy 1>; 118*4882a593Smuzhiyun phy-names = "usb"; 119*4882a593Smuzhiyun }; 120*4882a593Smuzhiyun 121*4882a593Smuzhiyun... 122