1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/usb/intel,keembay-dwc3.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Intel Keem Bay DWC3 USB controller
8
9 maintainers:
10 - Wan Ahmad Zainie <wan.ahmad.zainie.wan.mohamad@intel.com>
11
12 properties:
13 compatible:
14 const: intel,keembay-dwc3
15
16 reg:
17 maxItems: 1
18
19 clocks:
20 maxItems: 4
21
22 clock-names:
23 items:
24 - const: async_master
25 - const: ref
26 - const: alt_ref
27 - const: suspend
28
29 ranges: true
30
31 '#address-cells':
32 enum: [ 1, 2 ]
33
34 '#size-cells':
35 enum: [ 1, 2 ]
36
37 # Required child node:
38
39 patternProperties:
40 "^usb@[0-9a-f]+$":
41 $ref: snps,dwc3.yaml#
42
43 required:
44 - compatible
45 - clocks
46 - clock-names
47 - ranges
48
49 additionalProperties: false
50
51 examples:
52 - |
53 #include <dt-bindings/interrupt-controller/arm-gic.h>
54 #include <dt-bindings/interrupt-controller/irq.h>
55 #define KEEM_BAY_A53_AUX_USB
56 #define KEEM_BAY_A53_AUX_USB_REF
57 #define KEEM_BAY_A53_AUX_USB_ALT_REF
58 #define KEEM_BAY_A53_AUX_USB_SUSPEND
59
60 usb {
61 compatible = "intel,keembay-dwc3";
62 clocks = <&scmi_clk KEEM_BAY_A53_AUX_USB>,
63 <&scmi_clk KEEM_BAY_A53_AUX_USB_REF>,
64 <&scmi_clk KEEM_BAY_A53_AUX_USB_ALT_REF>,
65 <&scmi_clk KEEM_BAY_A53_AUX_USB_SUSPEND>;
66 clock-names = "async_master", "ref", "alt_ref", "suspend";
67 ranges;
68 #address-cells = <1>;
69 #size-cells = <1>;
70
71 usb@34000000 {
72 compatible = "snps,dwc3";
73 reg = <0x34000000 0x10000>;
74 interrupts = <GIC_SPI 91 IRQ_TYPE_LEVEL_HIGH>;
75 dr_mode = "peripheral";
76 };
77 };
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