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# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/phy/bcm-ns-usb2-phy.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Broadcom Northstar USB 2.0 PHY
description: >
To initialize USB 2.0 PHY driver needs to setup PLL correctly.
To do this it requires passing phandle to the USB PHY reference clock.
maintainers:
- Rafał Miłecki <rafal@milecki.pl>
properties:
compatible:
const: brcm,ns-usb2-phy
reg:
items:
- description: iomem address range of DMU (Device Management Unit)
reg-names:
items:
- const: dmu
clocks:
items:
- description: USB PHY reference clock
clock-names:
items:
- const: phy-ref-clk
"#phy-cells":
const: 0
required:
- compatible
- reg
- reg-names
- clocks
- clock-names
- "#phy-cells"
additionalProperties: false
examples:
- |
#include <dt-bindings/clock/bcm-nsp.h>
phy@1800c000 {
compatible = "brcm,ns-usb2-phy";
reg = <0x1800c000 0x1000>;
reg-names = "dmu";
clocks = <&genpll BCM_NSP_GENPLL_USB_PHY_REF_CLK>;
clock-names = "phy-ref-clk";
#phy-cells = <0>;
};
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