tjh.dev
Linux kernel mirror (for testing)
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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
7title: Broadcom Northstar USB 2.0 PHY
8
9description: >
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
13maintainers:
14 - Rafał Miłecki <rafal@milecki.pl>
15
16properties:
17 compatible:
18 const: brcm,ns-usb2-phy
19
20 reg:
21 maxItems: 1
22 description: PHY control register
23
24 brcm,syscon-clkset:
25 description: phandle to syscon for clkset register
26 $ref: /schemas/types.yaml#/definitions/phandle
27
28 clocks:
29 items:
30 - description: USB PHY reference clock
31
32 clock-names:
33 items:
34 - const: phy-ref-clk
35
36 "#phy-cells":
37 const: 0
38
39required:
40 - compatible
41 - reg
42 - clocks
43 - clock-names
44 - "#phy-cells"
45 - brcm,syscon-clkset
46
47additionalProperties: false
48
49examples:
50 - |
51 #include <dt-bindings/clock/bcm-nsp.h>
52 phy@1800c164 {
53 compatible = "brcm,ns-usb2-phy";
54 reg = <0x1800c164 0x4>;
55 brcm,syscon-clkset = <&clkset>;
56 clocks = <&genpll BCM_NSP_GENPLL_USB_PHY_REF_CLK>;
57 clock-names = "phy-ref-clk";
58 #phy-cells = <0>;
59 };