tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1# SPDX-License-Identifier: GPL-2.0
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/usb/generic-ehci.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: USB EHCI Controller Device Tree Bindings
8
9allOf:
10 - $ref: "usb-hcd.yaml"
11
12maintainers:
13 - Greg Kroah-Hartman <gregkh@linuxfoundation.org>
14
15properties:
16 compatible:
17 contains:
18 const: generic-ehci
19
20 reg:
21 maxItems: 1
22
23 interrupts:
24 maxItems: 1
25
26 resets:
27 minItems: 1
28 maxItems: 4
29
30 clocks:
31 minItems: 1
32 maxItems: 4
33 description: |
34 In case the Renesas R-Car Gen3 SoCs:
35 - if a host only channel: first clock should be host.
36 - if a USB DRD channel: first clock should be host and second
37 one should be peripheral
38
39 big-endian:
40 $ref: /schemas/types.yaml#/definitions/flag
41 description:
42 Set this flag for HCDs with big endian descriptors and big
43 endian registers.
44
45 big-endian-desc:
46 $ref: /schemas/types.yaml#/definitions/flag
47 description:
48 Set this flag for HCDs with big endian descriptors.
49
50 big-endian-regs:
51 $ref: /schemas/types.yaml#/definitions/flag
52 description:
53 Set this flag for HCDs with big endian registers.
54
55 has-transaction-translator:
56 $ref: /schemas/types.yaml#/definitions/flag
57 description:
58 Set this flag if EHCI has a Transaction Translator built into
59 the root hub.
60
61 needs-reset-on-resume:
62 $ref: /schemas/types.yaml#/definitions/flag
63 description:
64 Set this flag to force EHCI reset after resume.
65
66 companion:
67 $ref: /schemas/types.yaml#/definitions/phandle
68 description:
69 Phandle of a companion.
70
71 phys:
72 description: PHY specifier for the USB PHY
73
74 phy-names:
75 const: usb
76
77required:
78 - compatible
79 - reg
80 - interrupts
81
82additionalProperties: false
83
84examples:
85 - |
86 usb@e0000300 {
87 compatible = "ibm,usb-ehci-440epx", "generic-ehci";
88 interrupt-parent = <&UIC0>;
89 interrupts = <0x1a 4>;
90 reg = <0 0xe0000300 90 0 0xe0000390 70>;
91 big-endian;
92 };
93
94 - |
95 ehci0: usb@1c14000 {
96 compatible = "allwinner,sun4i-a10-ehci", "generic-ehci";
97 reg = <0x01c14000 0x100>;
98 interrupts = <39>;
99 clocks = <&ahb_gates 1>;
100 phys = <&usbphy 1>;
101 phy-names = "usb";
102 };
103
104...