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# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/usb/ti,am62-usb.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: TI's AM62 wrapper module for the Synopsys USBSS-DRD controller
maintainers:
- Aswath Govindraju <a-govindraju@ti.com>
properties:
compatible:
const: ti,am62-usb
reg:
maxItems: 1
ranges: true
power-domains:
description:
PM domain provider node and an args specifier containing
the USB ISO device id value. See,
Documentation/devicetree/bindings/soc/ti/sci-pm-domain.yaml
maxItems: 1
clocks:
description: Clock phandle to usb2_refclk
maxItems: 1
clock-names:
items:
- const: ref
ti,vbus-divider:
description:
Should be present if USB VBUS line is connected to the
VBUS pin of the SoC via a 1/3 voltage divider.
type: boolean
ti,syscon-phy-pll-refclk:
$ref: /schemas/types.yaml#/definitions/phandle-array
items:
- items:
- description: Phandle to the SYSCON entry
- description: USB phy control register offset within SYSCON
description:
Specifier for conveying frequency of ref clock input, for the
operation of USB2PHY.
'#address-cells':
const: 2
'#size-cells':
const: 2
patternProperties:
"^usb@[0-9a-f]+$":
$ref: snps,dwc3.yaml#
description: Required child node
required:
- compatible
- reg
- power-domains
- clocks
- clock-names
- ti,syscon-phy-pll-refclk
additionalProperties: false
examples:
- |
#include <dt-bindings/soc/ti,sci_pm_domain.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/gpio/gpio.h>
bus {
#address-cells = <2>;
#size-cells = <2>;
usbss1: usb@f910000 {
compatible = "ti,am62-usb";
reg = <0x00 0x0f910000 0x00 0x800>;
clocks = <&k3_clks 162 3>;
clock-names = "ref";
ti,syscon-phy-pll-refclk = <&wkup_conf 0x4018>;
power-domains = <&k3_pds 179 TI_SCI_PD_EXCLUSIVE>;
#address-cells = <2>;
#size-cells = <2>;
usb@31100000 {
compatible = "snps,dwc3";
reg =<0x00 0x31100000 0x00 0x50000>;
interrupts = <GIC_SPI 226 IRQ_TYPE_LEVEL_HIGH>, /* irq.0 */
<GIC_SPI 226 IRQ_TYPE_LEVEL_HIGH>; /* irq.0 */
interrupt-names = "host", "peripheral";
maximum-speed = "high-speed";
dr_mode = "otg";
};
};
};
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