1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/phy/bcm-ns-usb2-phy.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Broadcom Northstar USB 2.0 PHY
8
9 description: >
10 To initialize USB 2.0 PHY driver needs to setup PLL correctly.
11 To do this it requires passing phandle to the USB PHY reference clock.
12
13 maintainers:
14 - Rafał Miłecki <rafal@milecki.pl>
15
16 properties:
17 compatible:
18 const: brcm,ns-usb2-phy
19
20 reg:
21 anyOf:
22 - maxItems: 1
23 description: PHY control register
24 - maxItems: 1
25 description: iomem address range of DMU (Device Management Unit)
26 deprecated: true
27
28 reg-names:
29 items:
30 - const: dmu
31
32 brcm,syscon-clkset:
33 description: phandle to syscon for clkset register
34 $ref: /schemas/types.yaml#/definitions/phandle
35
36 clocks:
37 items:
38 - description: USB PHY reference clock
39
40 clock-names:
41 items:
42 - const: phy-ref-clk
43
44 "#phy-cells":
45 const: 0
46
47 required:
48 - compatible
49 - reg
50 - clocks
51 - clock-names
52 - "#phy-cells"
53
54 oneOf:
55 - required:
56 - brcm,syscon-clkset
57 - required:
58 - reg-names
59
60 additionalProperties: false
61
62 examples:
63 - |
64 #include <dt-bindings/clock/bcm-nsp.h>
65 phy@1800c164 {
66 compatible = "brcm,ns-usb2-phy";
67 reg = <0x1800c164 0x4>;
68 brcm,syscon-clkset = <&clkset>;
69 clocks = <&genpll BCM_NSP_GENPLL_USB_PHY_REF_CLK>;
70 clock-names = "phy-ref-clk";
71 #phy-cells = <0>;
72 };
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